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Delete the gdb/osf-share directory.

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These are old files that GDB does not use anymore, and probably has not
used for a long time.

gdb/ChangeLog:

        * osf-share/AT386/cma_thread_io.h: Delete.
        * osf-share/HP800/cma_thread_io.h: Delete.
        * osf-share/README: Delete.
        * osf-share/RIOS/cma_thread_io.h: Delete.
        * osf-share/cma_attr.h: Delete.
        * osf-share/cma_deb_core.h: Delete.
        * osf-share/cma_debug_client.h: Delete.
        * osf-share/cma_errors.h: Delete.
        * osf-share/cma_handle.h: Delete.
        * osf-share/cma_init.h: Delete.
        * osf-share/cma_list.h: Delete.
        * osf-share/cma_mutex.h: Delete.
        * osf-share/cma_sched.h: Delete.
        * osf-share/cma_semaphore_defs.h: Delete.
        * osf-share/cma_sequence.h: Delete.
        * osf-share/cma_stack.h: Delete.
        * osf-share/cma_stack_int.h: Delete.
        * osf-share/cma_tcb_defs.h: Delete.
        * osf-share/cma_util.h: Delete.
        * Makefile.in (HFILES_NO_SRCDIR): Remove entries for the files
        in osf-share.
        * config/djgpp/fnchange.lst: Remove osf-share/cma_stack_int.h entry.
        * contrib/ari/gdb_find.sh: Remove handling of osf-share.
        * copyright.sh (NOT_FSF_LIST): Remove "gdb/osf-share" entry.
This commit is contained in:
Joel Brobecker 2012-12-07 02:57:50 +00:00
parent aba6bc71dd
commit 2cb50f9d6a
24 changed files with 28 additions and 3736 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
gdb/ChangeLog
View File

@ -1,3 +1,30 @@
2012-12-07 Joel Brobecker <brobecker@adacore.com>
* osf-share/AT386/cma_thread_io.h: Delete.
* osf-share/HP800/cma_thread_io.h: Delete.
* osf-share/README: Delete.
* osf-share/RIOS/cma_thread_io.h: Delete.
* osf-share/cma_attr.h: Delete.
* osf-share/cma_deb_core.h: Delete.
* osf-share/cma_debug_client.h: Delete.
* osf-share/cma_errors.h: Delete.
* osf-share/cma_handle.h: Delete.
* osf-share/cma_init.h: Delete.
* osf-share/cma_list.h: Delete.
* osf-share/cma_mutex.h: Delete.
* osf-share/cma_sched.h: Delete.
* osf-share/cma_semaphore_defs.h: Delete.
* osf-share/cma_sequence.h: Delete.
* osf-share/cma_stack.h: Delete.
* osf-share/cma_stack_int.h: Delete.
* osf-share/cma_tcb_defs.h: Delete.
* osf-share/cma_util.h: Delete.
* Makefile.in (HFILES_NO_SRCDIR): Remove entries for the files
in osf-share.
* config/djgpp/fnchange.lst: Remove osf-share/cma_stack_int.h entry.
* contrib/ari/gdb_find.sh: Remove handling of osf-share.
* copyright.sh (NOT_FSF_LIST): Remove "gdb/osf-share" entry.
2012-12-06 Pedro Alves <palves@redhat.com>
Tom Tromey <tromey@redhat.com>

10
gdb/Makefile.in
View File

@ -761,15 +761,7 @@ LINTFILES = $(SFILES) $(YYFILES) $(CONFIG_SRCS) init.c
# wrong if TAGS has files twice). Because this is tricky to get
# right, it is probably easiest just to list .h files here directly.
HFILES_NO_SRCDIR = osf-share/cma_debug_client.h \
osf-share/HP800/cma_thread_io.h osf-share/cma_sequence.h \
osf-share/cma_mutex.h osf-share/cma_semaphore_defs.h \
osf-share/cma_list.h osf-share/cma_handle.h osf-share/cma_stack.h \
osf-share/cma_util.h osf-share/RIOS/cma_thread_io.h \
osf-share/cma_errors.h osf-share/cma_tcb_defs.h osf-share/cma_attr.h \
osf-share/cma_stack_int.h osf-share/cma_init.h \
osf-share/cma_deb_core.h osf-share/AT386/cma_thread_io.h \
osf-share/cma_sched.h \
HFILES_NO_SRCDIR = \
common/gdb_signals.h common/gdb_thread_db.h common/gdb_vecs.h \
common/i386-xstate.h common/linux-ptrace.h \
proc-utils.h arm-tdep.h ax-gdb.h ppcnbsd-tdep.h \

1
gdb/config/djgpp/fnchange.lst
View File

@ -324,7 +324,6 @@
@V@/gdb/ns32knbsd-nat.c @V@/gdb/ns32nb-nat.c
@V@/gdb/ns32knbsd-tdep.c @V@/gdb/ns32nb-tdep.c
@V@/gdb/objc-exp.tab.c @V@/gdb/objc-exp_tab.c
@V@/gdb/osf-share/cma_stack_int.h @V@/gdb/osf-share/cma_stkint.h
@V@/gdb/p-exp.tab.c @V@/gdb/p-exp_tab.c
@V@/gdb/ppc-linux-tdep.c @V@/gdb/ppc-lx-tdep.c
@V@/gdb/ppc-linux-nat.c @V@/gdb/ppc-lx-nat.c

1
gdb/contrib/ari/gdb_find.sh
View File

@ -34,7 +34,6 @@ find "$@" \
-name gdbserver -prune -o \
-name gdbtk -prune -o \
-name gnulib -prune -o \
-name osf-share -prune -o \
-name '*-stub.c' -prune -o \
-name '*-exp.c' -prune -o \
-name ada-lex.c -prune -o \

1
gdb/copyright.py
View File

@ -208,7 +208,6 @@ MULTIPLE_COPYRIGHT_HEADERS = (
# Filenames are relative to the root directory.
NOT_FSF_LIST = (
"gdb/exc_request.defs",
"gdb/osf-share",
"gdb/gdbtk",
"gdb/testsuite/gdb.gdbtk/",
"sim/arm/armemu.h", "sim/arm/armos.c", "sim/arm/gdbhost.c",

457
gdb/osf-share/AT386/cma_thread_io.h
View File

@ -1,457 +0,0 @@
/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for thread synchrounous I/O
*/
#ifndef CMA_THREAD_IO
#define CMA_THREAD_IO
/*
* INCLUDE FILES
*/
#include <cma_config.h>
#include <sys/file.h>
#include <cma.h>
#include <sys/types.h>
#include <sys/time.h>
#include <cma_init.h>
#include <cma_errors.h>
/*
* CONSTANTS
*/
/*
* Define symbols which indicate whether to compile code for obsolete
* "non-blocking mode" flags: FNDELAY and FNBLOCK. If the obsolete
* symbols are defined, and if their replacement symbols are defined
* and are different or if they are undefined, then define a symbol
* that says to compile the code in; otherwise no code will be compiled
* for these obsolete symbols.
*/
#ifdef FNDELAY
# ifdef O_NDELAY
# if O_NDELAY != FNDELAY
# define _CMA_FNDELAY_
# endif
# else
# define _CMA_FNDELAY_
# endif
#endif
#ifdef FNBLOCK
# ifdef O_NONBLOCK
# if O_NONBLOCK != FNBLOCK
# define _CMA_FNBLOCK_
# endif
# else
# define _CMA_FNBLOCK_
# endif
#endif
extern cma_t_boolean cma_is_open(int);
/*
* Maximum number of files (ie, max_fd+1)
*/
#define cma__c_mx_file FD_SETSIZE
/*
* Number of bits per file descriptor bit mask (ie number of bytes * bits/byte)
*/
#define cma__c_nbpm NFDBITS
/*
* TYPE DEFINITIONS
*/
typedef enum CMA__T_IO_TYPE {
cma__c_io_read = 0,
cma__c_io_write = 1,
cma__c_io_except = 2
} cma__t_io_type;
#define cma__c_max_io_type 2
/*
* From our local <sys/types.h>:
*
* typedef long fd_mask;
*
* typedef struct fd_set {
* fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
* } fd_set;
*
*/
typedef fd_mask cma__t_mask;
typedef fd_set cma__t_file_mask;
/*
* GLOBAL DATA
*/
/*
* Maximum number of files (ie, max_fd+1) as determined by getdtablesize().
*/
extern int cma__g_mx_file;
/*
* Number of submasks (ie "int" sized chunks) per file descriptor mask as
* determined by getdtablesize().
*/
extern int cma__g_nspm;
/*
* MACROS
*/
/*
* Define a constant for the errno value which indicates that the requested
* operation was not performed because it would block the process.
*/
# define cma__is_blocking(s) \
((s == EAGAIN) || (s == EWOULDBLOCK) || (s == EINPROGRESS) || \
(s == EALREADY) || (s == EDEADLK))
/*
* It is necessary to issue an I/O function, before calling cma__io_wait()
* in the following cases:
*
* * This file descriptor has been set non-blocking by CMA
* * This file descriptor has been set non-blocking by the user.
*/
#define cma__issue_io_call(fd) \
( (cma__g_file[fd]->non_blocking) || \
(cma__g_file[fd]->user_fl.user_non_blocking) )
#define cma__set_user_nonblocking(flags) \
/*
* Determine if the file is open
*/
/*
* If the file gets closed while waiting for the mutex cma__g_file[rfd]
* gets set to null. This results in a crash if NDEBUG is set to 0
* since cma__int_lock tries to dereference it to set the mutex ownership
* after it gets the mutex. The following will still set the ownership
* in cma__int_lock so we'll set it back to noone if cma__g_file is null
* when we come back just in case it matters. It shouldn't since its no
* longer in use but.....
* Callers of this should recheck cma__g_file after the reservation to
* make sure continueing makes sense.
*/
#define cma__fd_reserve(rfd) \
{ \
cma__t_int_mutex *__mutex__; \
__mutex__ = cma__g_file[rfd]->mutex; \
cma__int_lock (__mutex__); \
if(cma__g_file[rfd] == (cma__t_file_obj *)cma_c_null_ptr) \
cma__int_unlock(__mutex__); \
}
/*
* Unreserve a file descriptor
*/
#define cma__fd_unreserve(ufd) cma__int_unlock (cma__g_file[ufd]->mutex)
/*
* AND together two select file descriptor masks
*/
#define cma__fdm_and(target,a,b) \
{ \
int __i__ = cma__g_nspm; \
while (__i__--) \
(target)->fds_bits[__i__] = \
(a)->fds_bits[__i__] & (b)->fds_bits[__i__]; \
}
/*
* Clear a bit in a select file descriptor mask
*
* FD_CLR(n, p) := ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
*/
#define cma__fdm_clr_bit(n,p) FD_CLR (n, p)
/*
* Copy the contents of one file descriptor mask into another. If the
* destination operand is null, do nothing; if the source operand is null,
* simply zero the destination.
*/
#define cma__fdm_copy(src,dst,nfds) { \
if (dst) \
if (src) { \
cma__t_mask *__s__ = (cma__t_mask *)(src); \
cma__t_mask *__d__ = (cma__t_mask *)(dst); \
int __i__; \
for (__i__ = 0; __i__ < (nfds); __i__ += cma__c_nbpm) \
*__d__++ = *__s__++; \
} \
else \
cma__fdm_zero (dst); \
}
/*
* To increment count for each bit set in fd - mask
*/
#define cma__fdm_count_bits(map,count) \
{ \
int __i__ = cma__g_nspm; \
while (__i__--) { \
cma__t_mask __tm__; \
__tm__ = (map)->fds_bits[__i__]; \
while(__tm__) { \
(count)++; \
__tm__ &= ~(__tm__ & (-__tm__)); /* Assumes 2's comp */ \
} \
} \
}
/*
* Test if a bit is set in a select file descriptor mask
*
* FD_ISSET(n,p) := ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
*/
#define cma__fdm_is_set(n,p) FD_ISSET (n, p)
/*
* OR together two select file descriptor masks
*/
#define cma__fdm_or(target,a,b) \
{ \
int __i__ = cma__g_nspm; \
while (__i__--) \
(target)->fds_bits[__i__] = \
(a)->fds_bits[__i__] | (b)->fds_bits[__i__]; \
}
/*
* Set a bit in a select file descriptor mask
*
* FD_SET(n,p) := ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
*/
#define cma__fdm_set_bit(n,p) FD_SET (n, p)
/*
* Clear a select file descriptor mask.
*/
#define cma__fdm_zero(n) \
cma__memset ((char *) n, 0, cma__g_nspm * sizeof(cma__t_mask))
/*
* CMA "thread-synchronous" I/O read/write operations
*/
/*
* Since all CMA "thread-synchronous" I/O (read or write) operations on
* U*ix follow the exact same structure, the wrapper routines have been
* condensed into a macro.
*
* The steps performed are as follows:
* 1. Check that the file descriptor is a legitimate value.
* 2. Check that the entry in the CMA file "database" which corresponds to
* the file descriptor indicates that the "file" was "opened" by CMA.
* 3. Reserve the file, to serialized access to files. This not only
* simplifies things, but also defends against non-reentrancy.
* 4. If the "file" is "set" for non-blocking I/O, check if we
* have actually set the file non-blocking yet, and if not do so.
* Then, issue the I/O operantion.
* Success or failure is returned immediately, after unreserving the
* file. If the error indicates that the operation would have caused
* the process to block, continue to the next step.
* 5. The I/O prolog adds this "file" to the global bit mask, which
* represents all "files" which have threads waiting to perform I/O on
* them, and causes the thread to block on the condition variable for
* this "file". Periodically, a select is done on this global bit
* mask, and the condition variables corresponding to "files" which
* are ready for I/O are signaled, releasing those waiting threads to
* perform their I/O.
* 6. When the thread returns from the I/O prolog, it can (hopefully)
* perform its operation without blocking the process.
* 7. The I/O epilog clears the bit in the global mask and/or signals the
* the next thread waiting for this "file", as appropriate.
* 8. If the I/O failed, continue to loop.
* 9. Finally, the "file" is unreserved, as we're done with it, and the
* result of the operation is returned.
*
*
* Note: currently, we believe that timeslicing which is based on the
* virtual-time timer does not cause system calls to return EINTR.
* Threfore, any EINTR returns are relayed directly to the caller.
* On platforms which do not support a virtual-time timer, the code
* should probably catch EINTR returns and restart the system call.
*/
/*
* This macro is used for both read-type and write-type functions.
*
* Note: the second call to "func" may require being bracketed in a
* cma__interrupt_disable/cma__interrupt_enable pair, but we'll
* wait and see if this is necessary.
*/
#define cma__ts_func(func,fd,arglist,type,post_process) { \
cma_t_integer __res__; \
cma_t_boolean __done__ = cma_c_false; \
if ((fd < 0) || (fd >= cma__g_mx_file)) return (cma__set_errno (EBADF), -1); \
if (!cma__is_open(fd)) return (cma__set_errno (EBADF), -1); \
cma__fd_reserve (fd); \
if (!cma__is_open(fd)) return (cma__set_errno (EBADF), -1); \
if (cma__issue_io_call(fd)) {\
if ((!cma__g_file[fd]->set_non_blocking) && \
(cma__g_file[fd]->non_blocking == cma_c_true)) \
cma__set_nonblocking(fd); \
cma__interrupt_disable (0); \
TRY { \
__res__ = func arglist; \
} \
CATCH_ALL { \
cma__interrupt_enable (0); \
cma__fd_unreserve (fd); \
RERAISE; \
} \
ENDTRY \
cma__interrupt_enable (0); \
if ((__res__ != -1) \
|| (!cma__is_blocking (errno)) \
|| (cma__g_file[fd]->user_fl.user_non_blocking)) \
__done__ = cma_c_true; \
} \
if (__done__) { \
cma__fd_unreserve (fd); \
} \
else { \
TRY { \
cma__io_prolog (type, fd); \
while (!__done__) { \
cma__io_wait (type, fd); \
__res__ = func arglist; \
if ((__res__ != -1) \
|| (!cma__is_blocking (errno)) \
|| (cma__g_file[fd]->user_fl.user_non_blocking)) \
__done__ = cma_c_true; \
} \
} \
FINALLY { \
cma__io_epilog (type, fd); \
cma__fd_unreserve (fd); \
} \
ENDTRY \
} \
if (__res__ != -1) post_process; \
return __res__; \
}
/*
* Since most CMA "thread-synchronous" I/O ("open"-type) operations on
* U*ix follow the exact same structure, the wrapper routines have been
* condensed into a macro.
*
* The steps performed are as follows:
* 1. Issue the open function.
* 2. If the value returned indicates an error, return it to the caller.
* 3. If the file descriptor returned is larger than what we think is the
* maximum value (ie if it is too big for our database) then bugcheck.
* 4. "Open" the "file" in the CMA file database.
* 5. Return the file descriptor value to the caller.
*
* FIX-ME: for the time being, if the I/O operation returns EINTR, we
* simply return it to the caller; eventually, we should catch this
* and "do the right thing" (if we can figure out what that is).
*/
/*
* This macro is used for all "open"-type functions which return a single file
* desciptor by immediate value.
*/
#define cma__ts_open(func,arglist,post_process) { \
int __fd__; \
TRY { \
cma__int_init (); \
cma__int_lock (cma__g_io_data_mutex); \
__fd__ = func arglist; \
cma__int_unlock (cma__g_io_data_mutex); \
if (__fd__ >= 0 && __fd__ < cma__g_mx_file) \
post_process; \
} \
CATCH_ALL \
{ \
cma__set_errno (EBADF); \
__fd__ = -1; \
} \
ENDTRY \
if (__fd__ >= cma__g_mx_file) \
cma__bugcheck ("cma__ts_open: fd is too large"); \
return __fd__; \
}
/*
* This macro is used for all "open"-type functions which return a pair of file
* desciptors by reference parameter.
*/
#define cma__ts_open2(func,fdpair,arglist,post_process) { \
int __res__; \
TRY { \
cma__int_init (); \
cma__int_lock (cma__g_io_data_mutex); \
__res__ = func arglist; \
cma__int_unlock (cma__g_io_data_mutex); \
if (__res__ >= 0 && fdpair[0] < cma__g_mx_file \
&& fdpair[1] < cma__g_mx_file) \
post_process; \
} \
CATCH_ALL \
{ \
cma__set_errno (EBADF); \
__res__ = -1; \
} \
ENDTRY \
if ((fdpair[0] >= cma__g_mx_file) || (fdpair[1] >= cma__g_mx_file)) \
cma__bugcheck ("cma__ts_open2: one of fd's is too large"); \
return __res__; \
}
/*
* INTERNAL INTERFACES
*/
extern void cma__close_general (int);
extern void cma__init_thread_io (void);
extern cma_t_boolean cma__io_available (cma__t_io_type,int,struct timeval *);
extern void cma__io_epilog (cma__t_io_type,int);
extern void cma__io_prolog (cma__t_io_type,int);
extern void cma__io_wait (cma__t_io_type,int);
extern void cma__open_general (int);
extern void cma__reinit_thread_io (int);
extern void cma__set_nonblocking (int);
extern void cma__set_user_nonblock_flags (int,int);
extern cma_t_boolean cma__is_open (int);
#endif

432
gdb/osf-share/HP800/cma_thread_io.h
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@ -1,432 +0,0 @@
/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
*
* Header file for thread synchrounous I/O
*/
#ifndef CMA_THREAD_IO
#define CMA_THREAD_IO
/*
* INCLUDE FILES
*/
#include <cma_config.h>
#include <sys/file.h>
#include <cma.h>
#include <sys/types.h>
#include <sys/time.h>
#include <cma_init.h>
#include <cma_errors.h>
/*
* CONSTANTS
*/
/*
* Maximum number of files (ie, max_fd+1)
*/
#define cma__c_mx_file FD_SETSIZE
/*
* Number of bits per file descriptor bit mask (ie number of bytes * bits/byte)
*/
#define cma__c_nbpm NFDBITS
/*
* TYPE DEFINITIONS
*/
typedef enum CMA__T_IO_TYPE {
cma__c_io_read = 0,
cma__c_io_write = 1,
cma__c_io_except = 2
} cma__t_io_type;
#define cma__c_max_io_type 2
/*
* From our local <sys/types.h>:
*
* typedef long fd_mask;
*
* typedef struct fd_set {
* fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
* } fd_set;
*
*/
typedef fd_mask cma__t_mask;
typedef fd_set cma__t_file_mask;
/*
* GLOBAL DATA
*/
/*
* Maximum number of files (ie, max_fd+1) as determined by getdtablesize().
*/
extern int cma__g_mx_file;
/*
* Number of submasks (ie "int" sized chunks) per file descriptor mask as
* determined by getdtablesize().
*/
extern int cma__g_nspm;
/*
* MACROS
*/
/*
* Define a constant for the errno value which indicates that the requested
* operation was not performed because it would block the process.
*/
# define cma__is_blocking(s) \
((s == EAGAIN) || (s == EWOULDBLOCK) || (s == EINPROGRESS) || \
(s == EALREADY) || (s == EDEADLK))
/*
* It is necessary to issue an I/O function, before calling cma__io_wait()
* in the following cases:
*
* * This file descriptor has been set non-blocking by CMA
* * This file descriptor has been set non-blocking by the user.
*/
#define cma__issue_io_call(fd) \
( (cma__g_file[fd]->non_blocking) || \
(cma__g_file[fd]->user_fl.user_non_blocking) )
#define cma__set_user_nonblocking(flags) \
/*
* Determine if the file is open
*/
/*
* If the file gets closed while waiting for the mutex cma__g_file[rfd]
* gets set to null. This results in a crash if NDEBUG is set to 0
* since cma__int_lock tries to dereference it to set the mutex ownership
* after it gets the mutex. The following will still set the ownership
* in cma__int_lock so we'll set it back to noone if cma__g_file is null
* when we come back just in case it matters. It shouldn't since its no
* longer in use but.....
* Callers of this should recheck cma__g_file after the reservation to
* make sure continueing makes sense.
*/
#define cma__fd_reserve(rfd) \
{ \
cma__t_int_mutex *__mutex__; \
__mutex__ = cma__g_file[rfd]->mutex; \
cma__int_lock (__mutex__); \
if(cma__g_file[rfd] == (cma__t_file_obj *)cma_c_null_ptr) \
cma__int_unlock(__mutex__); \
}
/*
* Unreserve a file descriptor
*/
#define cma__fd_unreserve(ufd) cma__int_unlock (cma__g_file[ufd]->mutex)
/*
* AND together two select file descriptor masks
*/
#define cma__fdm_and(target,a,b) \
{ \
int __i__ = cma__g_nspm; \
while (__i__--) \
(target)->fds_bits[__i__] = \
(a)->fds_bits[__i__] & (b)->fds_bits[__i__]; \
}
/*
* Clear a bit in a select file descriptor mask
*
* FD_CLR(n, p) := ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
*/
#define cma__fdm_clr_bit(n,p) FD_CLR (n, p)
/*
* Copy the contents of one file descriptor mask into another. If the
* destination operand is null, do nothing; if the source operand is null,
* simply zero the destination.
*/
#define cma__fdm_copy(src,dst,nfds) { \
if (dst) \
if (src) { \
cma__t_mask *__s__ = (cma__t_mask *)(src); \
cma__t_mask *__d__ = (cma__t_mask *)(dst); \
int __i__; \
for (__i__ = 0; __i__ < (nfds); __i__ += cma__c_nbpm) \
*__d__++ = *__s__++; \
} \
else \
cma__fdm_zero (dst); \
}
/*
* To increment count for each bit set in fd - mask
*/
#define cma__fdm_count_bits(map,count) \
{ \
int __i__ = cma__g_nspm; \
while (__i__--) { \
cma__t_mask __tm__; \
__tm__ = (map)->fds_bits[__i__]; \
while(__tm__) { \
(count)++; \
__tm__ &= ~(__tm__ & (-__tm__)); /* Assumes 2's comp */ \
} \
} \
}
/*
* Test if a bit is set in a select file descriptor mask
*
* FD_ISSET(n,p) := ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
*/
#define cma__fdm_is_set(n,p) FD_ISSET (n, p)
/*
* OR together two select file descriptor masks
*/
#define cma__fdm_or(target,a,b) \
{ \
int __i__ = cma__g_nspm; \
while (__i__--) \
(target)->fds_bits[__i__] = \
(a)->fds_bits[__i__] | (b)->fds_bits[__i__]; \
}
/*
* Set a bit in a select file descriptor mask
*
* FD_SET(n,p) := ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
*/
#define cma__fdm_set_bit(n,p) FD_SET (n, p)
/*
* Clear a select file descriptor mask.
*/
#define cma__fdm_zero(n) \
cma__memset ((char *) n, 0, cma__g_nspm * sizeof(cma__t_mask))
/*
* CMA "thread-synchronous" I/O read/write operations
*/
/*
* Since all CMA "thread-synchronous" I/O (read or write) operations on
* U*ix follow the exact same structure, the wrapper routines have been
* condensed into a macro.
*
* The steps performed are as follows:
* 1. Check that the file descriptor is a legitimate value.
* 2. Check that the entry in the CMA file "database" which corresponds to
* the file descriptor indicates that the "file" was "opened" by CMA.
* 3. Reserve the file, to serialized access to files. This not only
* simplifies things, but also defends against non-reentrancy.
* 4. If the "file" is "set" for non-blocking I/O, check if we
* have actually set the file non-blocking yet, and if not do so.
* Then, issue the I/O operantion.
* Success or failure is returned immediately, after unreserving the
* file. If the error indicates that the operation would have caused
* the process to block, continue to the next step.
* 5. The I/O prolog adds this "file" to the global bit mask, which
* represents all "files" which have threads waiting to perform I/O on
* them, and causes the thread to block on the condition variable for
* this "file". Periodically, a select is done on this global bit
* mask, and the condition variables corresponding to "files" which
* are ready for I/O are signaled, releasing those waiting threads to
* perform their I/O.
* 6. When the thread returns from the I/O prolog, it can (hopefully)
* perform its operation without blocking the process.
* 7. The I/O epilog clears the bit in the global mask and/or signals the
* the next thread waiting for this "file", as appropriate.
* 8. If the I/O failed, continue to loop.
* 9. Finally, the "file" is unreserved, as we're done with it, and the
* result of the operation is returned.
*
*
* Note: currently, we believe that timeslicing which is based on the
* virtual-time timer does not cause system calls to return EINTR.
* Threfore, any EINTR returns are relayed directly to the caller.
* On platforms which do not support a virtual-time timer, the code
* should probably catch EINTR returns and restart the system call.
*/
/*
* This macro is used for both read-type and write-type functions.
*
* Note: the second call to "func" may require being bracketed in a
* cma__interrupt_disable/cma__interrupt_enable pair, but we'll
* wait and see if this is necessary.
*/
#define cma__ts_func(func,fd,arglist,type,post_process) { \
cma_t_integer __res__; \
cma_t_boolean __done__ = cma_c_false; \
if ((fd < 0) || (fd >= cma__g_mx_file)) return (cma__set_errno (EBADF), -1); \
if (!cma__is_open(fd)) return (cma__set_errno (EBADF), -1); \
cma__fd_reserve (fd); \
if (!cma__is_open(fd)) return (cma__set_errno (EBADF), -1); \
if (cma__issue_io_call(fd)) {\
if ((!cma__g_file[fd]->set_non_blocking) && \
(cma__g_file[fd]->non_blocking == cma_c_true)) \
cma__set_nonblocking(fd); \
cma__interrupt_disable (0); \
TRY { \
__res__ = func arglist; \
} \
CATCH_ALL { \
cma__interrupt_enable (0); \
cma__fd_unreserve (fd); \
RERAISE; \
} \
ENDTRY \
cma__interrupt_enable (0); \
if ((__res__ != -1) \
|| (!cma__is_blocking (errno)) \
|| (cma__g_file[fd]->user_fl.user_non_blocking)) \
__done__ = cma_c_true; \
} \
if (__done__) { \
cma__fd_unreserve (fd); \
} \
else { \
TRY { \
cma__io_prolog (type, fd); \
while (!__done__) { \
cma__io_wait (type, fd); \
__res__ = func arglist; \
if ((__res__ != -1) \
|| (!cma__is_blocking (errno)) \
|| (cma__g_file[fd]->user_fl.user_non_blocking)) \
__done__ = cma_c_true; \
} \
} \
FINALLY { \
cma__io_epilog (type, fd); \
cma__fd_unreserve (fd); \
} \
ENDTRY \
} \
if (__res__ != -1) post_process; \
return __res__; \
}
/*
* Since most CMA "thread-synchronous" I/O ("open"-type) operations on
* U*ix follow the exact same structure, the wrapper routines have been
* condensed into a macro.
*
* The steps performed are as follows:
* 1. Issue the open function.
* 2. If the value returned indicates an error, return it to the caller.
* 3. If the file descriptor returned is larger than what we think is the
* maximum value (ie if it is too big for our database) then bugcheck.
* 4. "Open" the "file" in the CMA file database.
* 5. Return the file descriptor value to the caller.
*
* FIX-ME: for the time being, if the I/O operation returns EINTR, we
* simply return it to the caller; eventually, we should catch this
* and "do the right thing" (if we can figure out what that is).
*/
/*
* This macro is used for all "open"-type functions which return a single file
* desciptor by immediate value.
*/
#define cma__ts_open(func,arglist,post_process) { \
int __fd__; \
TRY { \
cma__int_init (); \
cma__int_lock (cma__g_io_data_mutex); \
__fd__ = func arglist; \
cma__int_unlock (cma__g_io_data_mutex); \
if (__fd__ >= 0 && __fd__ < cma__g_mx_file) \
post_process; \
} \
CATCH_ALL \
{ \
cma__set_errno (EBADF); \
__fd__ = -1; \
} \
ENDTRY \
if (__fd__ >= cma__g_mx_file) \
cma__bugcheck ("cma__ts_open: fd is too large"); \
return __fd__; \
}
/*
* This macro is used for all "open"-type functions which return a pair of file
* desciptors by reference parameter.
*/
#define cma__ts_open2(func,fdpair,arglist,post_process) { \
int __res__; \
TRY { \
cma__int_init (); \
cma__int_lock (cma__g_io_data_mutex); \
__res__ = func arglist; \
cma__int_unlock (cma__g_io_data_mutex); \
if (__res__ >= 0 && fdpair[0] < cma__g_mx_file \
&& fdpair[1] < cma__g_mx_file) \
post_process; \
} \
CATCH_ALL \
{ \
cma__set_errno (EBADF); \
__res__ = -1; \
} \
ENDTRY \
if ((fdpair[0] >= cma__g_mx_file) || (fdpair[1] >= cma__g_mx_file)) \
cma__bugcheck ("cma__ts_open2: one of fd's is too large"); \
return __res__; \
}
/*
* INTERNAL INTERFACES
*/
extern void cma__close_general (int);
extern void cma__init_thread_io (void);
extern cma_t_boolean cma__io_available (cma__t_io_type,int,struct timeval *);
extern void cma__io_epilog (cma__t_io_type,int);
extern void cma__io_prolog (cma__t_io_type,int);
extern void cma__io_wait (cma__t_io_type,int);
extern void cma__open_general (int);
extern void cma__reinit_thread_io (int);
extern void cma__set_nonblocking (int);
extern void cma__set_user_nonblock_flags (int,int);
extern cma_t_boolean cma__is_open (int);
#endif

8
gdb/osf-share/README
View File

@ -1,8 +0,0 @@
This directory contains header files necessary to build a thread-aware GDB on
systems based on OSF's CMA threads package.
The latest version of these header files are available for free from:
http://www.osf.org/mall/dce/SW-code
Currently, the only port of GDB which supports CMA threads is HP/UX-10.10.

434
gdb/osf-share/RIOS/cma_thread_io.h
View File

@ -1,434 +0,0 @@
/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for thread synchrounous I/O
*/
#ifndef CMA_THREAD_IO
#define CMA_THREAD_IO
/*
* INCLUDE FILES
*/
#include <cma_config.h>
#include <sys/select.h>
#include <cma.h>
#include <sys/types.h>
#include <sys/time.h>
#include <cma_init.h>
#include <cma_errors.h>
/*
* CONSTANTS
*/
/*
* Maximum number of files (ie, max_fd+1)
*/
#define cma__c_mx_file FD_SETSIZE
/*
* Number of bits per file descriptor bit mask (ie number of bytes * bits/byte)
*/
#define cma__c_nbpm NFDBITS
/*
* TYPE DEFINITIONS
*/
typedef enum CMA__T_IO_TYPE {
cma__c_io_read = 0,
cma__c_io_write = 1,
cma__c_io_except = 2
} cma__t_io_type;
#define cma__c_max_io_type 2
/*
* From our local <sys/types.h>:
*
* typedef long fd_mask;
*
* typedef struct fd_set {
* fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
* } fd_set;
*
*/
typedef fd_mask cma__t_mask;
typedef fd_set cma__t_file_mask;
/*
* GLOBAL DATA
*/
/*
* Maximum number of files (ie, max_fd+1) as determined by getdtablesize().
*/
extern int cma__g_mx_file;
/*
* Number of submasks (ie "int" sized chunks) per file descriptor mask as
* determined by getdtablesize().
*/
extern int cma__g_nspm;
/*
* MACROS
*/
/*
* Define a constant for the errno value which indicates that the requested
* operation was not performed because it would block the process.
*/
# define cma__is_blocking(s) \
((s == EAGAIN) || (s == EWOULDBLOCK) || (s == EINPROGRESS) || \
(s == EALREADY) || (s == EDEADLK))
/*
* It is necessary to issue an I/O function, before calling cma__io_wait()
* in the following cases:
*
* * This file descriptor has been set non-blocking by CMA
* * This file descriptor has been set non-blocking by the user.
*/
#define cma__issue_io_call(fd) \
( (cma__g_file[fd]->non_blocking) || \
(cma__g_file[fd]->user_fl.user_non_blocking) )
#define cma__set_user_nonblocking(flags) \
/*
* Determine if the file is open
*/
/*
* If the file gets closed while waiting for the mutex cma__g_file[rfd]
* gets set to null. This results in a crash if NDEBUG is set to 0
* since cma__int_lock tries to dereference it to set the mutex ownership
* after it gets the mutex. The following will still set the ownership
* in cma__int_lock so we'll set it back to noone if cma__g_file is null
* when we come back just in case it matters. It shouldn't since its no
* longer in use but.....
* Callers of this should recheck cma__g_file after the reservation to
* make sure continueing makes sense.
*/
#define cma__fd_reserve(rfd) \
{ \
cma__t_int_mutex *__mutex__; \
__mutex__ = cma__g_file[rfd]->mutex; \
cma__int_lock (__mutex__); \
if(cma__g_file[rfd] == (cma__t_file_obj *)cma_c_null_ptr) \
cma__int_unlock(__mutex__); \
}
/*
* Unreserve a file descriptor
*/
#define cma__fd_unreserve(ufd) cma__int_unlock (cma__g_file[ufd]->mutex)
/*
* AND together two select file descriptor masks
*/
#define cma__fdm_and(target,a,b) \
{ \
int __i__ = cma__g_nspm; \
while (__i__--) \
(target)->fds_bits[__i__] = \
(a)->fds_bits[__i__] & (b)->fds_bits[__i__]; \
}
/*
* Clear a bit in a select file descriptor mask
*
* FD_CLR(n, p) := ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
*/
#define cma__fdm_clr_bit(n,p) FD_CLR (n, p)
/*
* Copy the contents of one file descriptor mask into another. If the
* destination operand is null, do nothing; if the source operand is null,
* simply zero the destination.
*/
#define cma__fdm_copy(src,dst,nfds) { \
if (dst) \
if (src) { \
cma__t_mask *__s__ = (cma__t_mask *)(src); \
cma__t_mask *__d__ = (cma__t_mask *)(dst); \
int __i__; \
for (__i__ = 0; __i__ < (nfds); __i__ += cma__c_nbpm) \
*__d__++ = *__s__++; \
} \
else \
cma__fdm_zero (dst); \
}
/*
* To increment count for each bit set in fd - mask
*/
#define cma__fdm_count_bits(map,count) \
{ \
int __i__ = cma__g_nspm; \
while (__i__--) { \
cma__t_mask __tm__; \
__tm__ = (map)->fds_bits[__i__]; \
while(__tm__) { \
(count)++; \
__tm__ &= ~(__tm__ & (-__tm__)); /* Assumes 2's comp */ \
} \
} \
}
/*
* Test if a bit is set in a select file descriptor mask
*
* FD_ISSET(n,p) := ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
*/
#define cma__fdm_is_set(n,p) FD_ISSET (n, p)
/*
* OR together two select file descriptor masks
*/
#define cma__fdm_or(target,a,b) \
{ \
int __i__ = cma__g_nspm; \
while (__i__--) \
(target)->fds_bits[__i__] = \
(a)->fds_bits[__i__] | (b)->fds_bits[__i__]; \
}
/*
* Set a bit in a select file descriptor mask
*
* FD_SET(n,p) := ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
*/
#define cma__fdm_set_bit(n,p) FD_SET (n, p)
/*
* Clear a select file descriptor mask.
*/
#define cma__fdm_zero(n) \
cma__memset ((char *) n, 0, cma__g_nspm * sizeof(cma__t_mask))
/*
* CMA "thread-synchronous" I/O read/write operations
*/
/*
* Since all CMA "thread-synchronous" I/O (read or write) operations on
* U*ix follow the exact same structure, the wrapper routines have been
* condensed into a macro.
*
* The steps performed are as follows:
* 1. Check that the file descriptor is a legitimate value.
* 2. Check that the entry in the CMA file "database" which corresponds to
* the file descriptor indicates that the "file" was "opened" by CMA.
* 3. Reserve the file, to serialized access to files. This not only
* simplifies things, but also defends against non-reentrancy.
* 4. If the "file" is "set" for non-blocking I/O, check if we
* have actually set the file non-blocking yet, and if not do so.
* Then, issue the I/O operantion.
* Success or failure is returned immediately, after unreserving the
* file. If the error indicates that the operation would have caused
* the process to block, continue to the next step.
* 5. The I/O prolog adds this "file" to the global bit mask, which
* represents all "files" which have threads waiting to perform I/O on
* them, and causes the thread to block on the condition variable for
* this "file". Periodically, a select is done on this global bit
* mask, and the condition variables corresponding to "files" which
* are ready for I/O are signaled, releasing those waiting threads to
* perform their I/O.
* 6. When the thread returns from the I/O prolog, it can (hopefully)
* perform its operation without blocking the process.
* 7. The I/O epilog clears the bit in the global mask and/or signals the
* the next thread waiting for this "file", as appropriate.
* 8. If the I/O failed, continue to loop.
* 9. Finally, the "file" is unreserved, as we're done with it, and the
* result of the operation is returned.
*
*
* Note: currently, we believe that timeslicing which is based on the
* virtual-time timer does not cause system calls to return EINTR.
* Threfore, any EINTR returns are relayed directly to the caller.
* On platforms which do not support a virtual-time timer, the code
* should probably catch EINTR returns and restart the system call.
*/
/*
* This macro is used for both read-type and write-type functions.
*
* Note: the second call to "func" may require being bracketed in a
* cma__interrupt_disable/cma__interrupt_enable pair, but we'll
* wait and see if this is necessary.
*/
#define cma__ts_func(func,fd,arglist,type,post_process) { \
cma_t_integer __res__; \
cma_t_boolean __done__ = cma_c_false; \
if ((fd < 0) || (fd >= cma__g_mx_file)) return (cma__set_errno (EBADF), -1); \
if (!cma__is_open(fd)) return (cma__set_errno (EBADF), -1); \
cma__fd_reserve (fd); \
if (!cma__is_open(fd)) return (cma__set_errno (EBADF), -1); \
if (cma__issue_io_call(fd)) {\
if ((!cma__g_file[fd]->set_non_blocking) && \
(cma__g_file[fd]->non_blocking == cma_c_true)) \
cma__set_nonblocking(fd); \
cma__interrupt_disable (0); \
TRY { \
__res__ = func arglist; \
} \
CATCH_ALL { \
cma__interrupt_enable (0); \
cma__fd_unreserve (fd); \
RERAISE; \
} \
ENDTRY \
cma__interrupt_enable (0); \
if ((__res__ != -1) \
|| (!cma__is_blocking (errno)) \
|| (cma__g_file[fd]->user_fl.user_non_blocking)) \
__done__ = cma_c_true; \
} \
if (__done__) { \
cma__fd_unreserve (fd); \
} \
else { \
TRY { \
cma__io_prolog (type, fd); \
while (!__done__) { \
cma__io_wait (type, fd); \
__res__ = func arglist; \
if ((__res__ != -1) \
|| (!cma__is_blocking (errno)) \
|| (cma__g_file[fd]->user_fl.user_non_blocking)) \
__done__ = cma_c_true; \
} \
} \
FINALLY { \
cma__io_epilog (type, fd); \
cma__fd_unreserve (fd); \
} \
ENDTRY \
} \
if (__res__ != -1) post_process; \
return __res__; \
}
/*
* Since most CMA "thread-synchronous" I/O ("open"-type) operations on
* U*ix follow the exact same structure, the wrapper routines have been
* condensed into a macro.
*
* The steps performed are as follows:
* 1. Issue the open function.
* 2. If the value returned indicates an error, return it to the caller.
* 3. If the file descriptor returned is larger than what we think is the
* maximum value (ie if it is too big for our database) then bugcheck.
* 4. "Open" the "file" in the CMA file database.
* 5. Return the file descriptor value to the caller.
*
* FIX-ME: for the time being, if the I/O operation returns EINTR, we
* simply return it to the caller; eventually, we should catch this
* and "do the right thing" (if we can figure out what that is).
*/
/*
* This macro is used for all "open"-type functions which return a single file
* desciptor by immediate value.
*/
#define cma__ts_open(func,arglist,post_process) { \
int __fd__; \
TRY { \
cma__int_init (); \
cma__int_lock (cma__g_io_data_mutex); \
__fd__ = func arglist; \
cma__int_unlock (cma__g_io_data_mutex); \
if (__fd__ >= 0 && __fd__ < cma__g_mx_file) \
post_process; \
} \
CATCH_ALL \
{ \
cma__set_errno (EBADF); \
__fd__ = -1; \
} \
ENDTRY \
if (__fd__ >= cma__g_mx_file) \
cma__bugcheck ("cma__ts_open: fd is too large"); \
return __fd__; \
}
/*
* This macro is used for all "open"-type functions which return a pair of file
* desciptors by reference parameter.
*/
#define cma__ts_open2(func,fdpair,arglist,post_process) { \
int __res__; \
TRY { \
cma__int_init (); \
cma__int_lock (cma__g_io_data_mutex); \
__res__ = func arglist; \
cma__int_unlock (cma__g_io_data_mutex); \
if (__res__ >= 0 && fdpair[0] < cma__g_mx_file \
&& fdpair[1] < cma__g_mx_file) \
post_process; \
} \
CATCH_ALL \
{ \
cma__set_errno (EBADF); \
__res__ = -1; \
} \
ENDTRY \
if ((fdpair[0] >= cma__g_mx_file) || (fdpair[1] >= cma__g_mx_file)) \
cma__bugcheck ("cma__ts_open2: one of fd's is too large"); \
return __res__; \
}
/*
* INTERNAL INTERFACES
*/
extern void cma__close_general (int);
extern void
cma__init_thread_io (void);
extern cma_t_boolean cma__io_available (cma__t_io_type,int,struct timeval *);
extern void cma__io_epilog (cma__t_io_type,int);
extern void cma__io_prolog (cma__t_io_type,int);
extern void cma__io_wait (cma__t_io_type,int);
extern void cma__open_general (int);
extern void cma__reinit_thread_io (int);
extern void cma__set_nonblocking (int);
extern void cma__set_user_nonblock_flags (int,int);
extern cma_t_boolean
cma__is_open (int fd);
#endif

344
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@ -1,344 +0,0 @@
/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for attributes object
*/
#ifndef CMA_ATTR
#define CMA_ATTR
/*
* INCLUDE FILES
*/
#include <cma_defs.h>
#include <cma_queue.h>
#ifdef __hpux
# include <sys/param.h>
#endif
#if _CMA_UNIX_TYPE == _CMA__SVR4
#include <sys/unistd.h>
#endif
/*
* CONSTANTS AND MACROS
*/
/*
* FUNCTIONAL DESCRIPTION:
*
* cma__int_attr_get_priority - Performs the work of
* cma_attr_get_priority
*
* FORMAL PARAMETERS:
*
* cma_t_attr *_att_ - Attribute object to get from
* cma_t_priority *_setting_ - Current setting
*
* IMPLICIT INPUTS:
*
* none
*
* IMPLICIT OUTPUTS:
*
* priority
*
* FUNCTION VALUE:
*
* none
*
* SIDE EFFECTS:
*
* none
*/
#define cma__int_attr_get_priority(_att_,_setting_) { \
cma__t_int_attr *_int_att_; \
(_int_att_) = cma__validate_default_attr (_att_); \
cma__int_lock ((_int_att_)->mutex); \
(*(_setting_)) = (_int_att_)->priority; \
cma__int_unlock ((_int_att_)->mutex); \
}
/*
* FUNCTIONAL DESCRIPTION:
*
* cma__int_attr_get_sched - Performs work of cma_attr_get_sched
*
* FORMAL PARAMETERS:
*
* cma_t_attr *_att_ _ Attributes object used
* cma_t_sched_policy *_setting_ - Current setting
*
* IMPLICIT INPUTS:
*
* none
*
* IMPLICIT OUTPUTS:
*
* scheduling policy
*
* FUNCTION VALUE:
*
* none
*
* SIDE EFFECTS:
*
* none
*/
#define cma__int_attr_get_sched(_att_,_setting_) { \
cma__t_int_attr *_int_att_; \
(_int_att_) = cma__validate_default_attr (_att_); \
cma__int_lock ((_int_att_)->mutex); \
(*(_setting_)) = (_int_att_)->policy; \
cma__int_unlock ((_int_att_)->mutex); \
}
/*
* FUNCTIONAL DESCRIPTION:
*
* cma__int_attr_get_inherit_sched - Performs work of
* cma_attr_get_inherit_sched
*
* FORMAL PARAMETERS:
*
* cma_t_attr *_att_ - Attributes object to use
* cma_t_sched_inherit *_setting_ - Current setting
*
* IMPLICIT INPUTS:
*
* none
*
* IMPLICIT OUTPUTS:
*
* Inheritable scheduling policy
*
* FUNCTION VALUE:
*
* none
*
* SIDE EFFECTS:
*
* none
*/
#define cma__int_attr_get_inherit_sched(_att_,_setting_) { \
cma__t_int_attr *_int_att_; \
(_int_att_) = cma__validate_default_attr (_att_); \
cma__int_lock ((_int_att_)->mutex); \
(*(_setting_)) \
= ((_int_att_)->inherit_sched \
? cma_c_sched_inherit : cma_c_sched_use_default); \
cma__int_unlock ((_int_att_)->mutex); \
}
/*
* FUNCTIONAL DESCRIPTION:
*
* cma__int_attr_set_stacksize - Performs work for cma_attr_set_stacksize
*
* FORMAL PARAMETERS:
*
* cma_t_attr *_att_ - Attributes object to use
* cma_t_natural _setting_ - Setting
*
* IMPLICIT INPUTS:
*
* none
*
* IMPLICIT OUTPUTS:
*
* none
*
* FUNCTION VALUE:
*
* none
*
* SIDE EFFECTS:
*
* Change attribute objects stack size setting
*/
#define cma__int_attr_set_stacksize(_att_,_setting_) { \
cma__t_int_attr *_int_att_; \
if ((_setting_) <= 0) \
cma__error (cma_s_badparam); \
_int_att_ = cma__validate_attr (_att_); \
cma__int_lock ((_int_att_)->mutex); \
_int_att_->stack_size = cma__roundup_chunksize(_setting_); \
cma__free_cache (_int_att_, cma__c_obj_tcb); \
_int_att_->cache[cma__c_obj_tcb].revision++; \
_int_att_->cache[cma__c_obj_stack].revision++; \
cma__int_unlock (_int_att_->mutex); \
}
/*
* FUNCTIONAL DESCRIPTION:
*
* cma__int_attr_get_stacksize - Performs work of cma_attr_get_stacksize
*
* FORMAL PARAMETERS:
*
* cma_t_attr *_att_ - Attributes object to use
* cma_t_natural *_setting_ - Current setting
*
* IMPLICIT INPUTS:
*
* none
*
* IMPLICIT OUTPUTS:
*
* Attribute objects stack size setting
*
* FUNCTION VALUE:
*
* none
*
* SIDE EFFECTS:
*
* none
*/
#define cma__int_attr_get_stacksize(_att_,_setting_) { \
cma__t_int_attr *_int_att_; \
(_int_att_) = cma__validate_default_attr (_att_); \
cma__int_lock ((_int_att_)->mutex); \
(*(_setting_)) = (_int_att_)->stack_size; \
cma__int_unlock ((_int_att_)->mutex); \
}
/*
* FUNCTIONAL DESCRIPTION:
*
* cma__int_attr_set_guardsize - Performs work for cma_attr_set_guardsize
*
* FORMAL PARAMETERS:
*
* cma_t_attr *_att_ - Attributes object to use
* cma_t_natural _setting_ - Setting
*
* IMPLICIT INPUTS:
*
* none
*
* IMPLICIT OUTPUTS:
*
* none
*
* FUNCTION VALUE:
*
* none
*
* SIDE EFFECTS:
*
* Change attribute objects guard size setting
*/
#define cma__int_attr_set_guardsize(_att_,_setting_) { \
cma__t_int_attr *_int_att_; \
_int_att_ = cma__validate_attr (_att_); \
cma__int_lock ((_int_att_)->mutex); \
_int_att_->guard_size = cma__roundup_chunksize(_setting_); \
cma__free_cache (_int_att_, cma__c_obj_tcb); \
_int_att_->cache[cma__c_obj_tcb].revision++; \
_int_att_->cache[cma__c_obj_stack].revision++; \
cma__int_unlock (_int_att_->mutex); \
}
/*
* FUNCTIONAL DESCRIPTION:
*
* cma__int_attr_get_guardsize - Performs work of cma_attr_get_guardsize
*
* FORMAL PARAMETERS:
*
* cma_t_attr *_att_ - Attributes object to use
* cma_t_natural *_setting_ - Current setting
*
* IMPLICIT INPUTS:
*
* none
*
* IMPLICIT OUTPUTS:
*
* Attribute objects guard size setting
*
* FUNCTION VALUE:
*
* none
*
* SIDE EFFECTS:
*
* none
*/
#define cma__int_attr_get_guardsize(_att_,_setting_) { \
cma__t_int_attr *_int_att_; \
(_int_att_) = cma__validate_default_attr (_att_); \
cma__int_lock ((_int_att_)->mutex); \
(*(_setting_)) = (_int_att_)->guard_size; \
cma__int_unlock ((_int_att_)->mutex); \
}
/*
* TYPEDEFS
*/
#ifndef __STDC__
struct CMA__T_INT_MUTEX; /* Avoid circular dependency */
#endif
typedef struct CMA__T_CACHE {
cma_t_natural revision; /* Revisions */
cma_t_natural count;
cma__t_queue queue; /* Cache headers */
} cma__t_cache;
typedef struct CMA__T_INT_ATTR {
cma__t_object header; /* Common header */
struct CMA__T_INT_ATTR *attributes; /* Point to controlling attr */
struct CMA__T_INT_MUTEX *mutex; /* Serialize access to
object */
cma_t_priority priority; /* Priority of new thread */
cma_t_sched_policy policy; /* Sched policy of thread */
cma_t_boolean inherit_sched; /* Is scheduling inherited? */
cma_t_natural stack_size; /* Size of stack (bytes) */
cma_t_natural guard_size; /* Size of guard (bytes) */
cma_t_mutex_kind mutex_kind; /* Mutex kind */
cma__t_cache cache[cma__c_obj_num]; /* Cache information */
cma_t_boolean delete_pending; /* attr. obj. is deleted */
cma_t_natural refcnt; /* Number of objects using attr. obj */
} cma__t_int_attr;
/*
* GLOBAL DATA
*/
extern cma__t_int_attr cma__g_def_attr;
/*
* INTERNAL INTERFACES
*/
extern void cma__destroy_attributes (cma__t_int_attr *);
extern void cma__free_attributes (cma__t_int_attr *);
extern void cma__free_cache (cma__t_int_attr *,cma_t_natural );
extern cma__t_int_attr *cma__get_attributes (cma__t_int_attr *);
extern void cma__init_attr (void);
extern void cma__reinit_attr (cma_t_integer);
#endif

174
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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* This file defines the internal interface to the core of CMA
* debugging services. (The client interface to debugging services
* is provided by cma_debug_client.h).
*/
#ifndef CMA_DEB_CORE
#define CMA_DEB_CORE
/*
* INCLUDE FILES
*/
#include <cma.h>
#include <cma_mutex.h>
#include <cma_queue.h>
#include <cma_tcb_defs.h>
#include <cma_util.h>
/*
* CONSTANTS AND MACROS
*/
/*
* TYPEDEFS
*/
/*FIX-ME* Need to use sizes that are platform specific */
typedef long int cma___t_debug_ctx[17];
/*
* Type defing the format of known object lists
*/
typedef struct CMA__T_KNOWN_OBJECT {
cma__t_queue queue; /* Queue header for known objects */
cma__t_int_mutex *mutex; /* Mutex to control access to queue */
} cma__t_known_object;
/*
* Type defining the registration for one debug client (e.g. Ada)
*/
typedef struct CMA__T_DEB_REGISTRY {
cma_t_address entry; /* Client's debug entry point */
cma_t_key key; /* Client's context key */
cma_t_integer fac; /* Client's debug facility number */
cma_t_boolean has_prolog; /* Client's TCBs have std prolog */
} cma__t_deb_registry;
#define cma__c_deb_max_clients 10
/*
* Type defining the global debugging state for all threads.
*/
typedef struct CMA__T_DEBUG_STATE {
/*
* The following flag is set if changes were made while in the
* debugger that may make the ready lists inconsistent. For
* example, if a thread priority is changed in the debugger, the
* thread is not moved between queues. Making things consistent
* is deferred to when the dispatcher is next invoked -- which we
* try to make very soon.
*/
cma_t_boolean is_inconsistency; /* Ready lists are inconsistent */
cma_t_boolean events_enabled; /* Set if _any_ event is enabled */
cma_t_boolean flags[cma__c_debevt__dim];
/* Which events are enabled */
cma__t_int_tcb *next_to_run; /* TCB of thread to run next */
cma__t_int_mutex *mutex; /* Mutex for registering clients */
cma_t_integer client_count; /* Count of debug clients */
cma__t_deb_registry clients[cma__c_deb_max_clients+1];
/* Array of current debug
clients */
} cma__t_debug_state;
/*
* Routine that will symbolize and address and print it.
*/
typedef void (*cma__t_print_symbol) (cma_t_address);
/*
* GLOBAL DATA
*/
/*
* Variable holding the global debugging state
*
* (This is primarily written by the debugger interface and read
* by the thread dispatcher).
*/
extern cma__t_debug_state cma__g_debug_state;
/*
* Known object queues
*/
extern cma__t_known_object cma__g_known_atts;
extern cma__t_known_object cma__g_known_cvs;
extern cma__t_known_object cma__g_known_mutexes;
extern cma__t_known_object cma__g_known_threads;
/*
* INTERNAL INTERFACES
*/
/* Get information while in debugger context */
extern void cma__deb_get (cma__t_int_tcb *,
cma_t_debug_get,
cma_t_address,
cma_t_integer,cma_t_integer);
/* Set information while in debugger context */
extern void cma__deb_set (cma__t_int_tcb *, cma_t_debug_set,
cma_t_address, cma_t_integer);
extern void cma__init_debug (void);
extern void cma__reinit_debug (cma_t_integer);
extern void cma__deb_anytcb_to_tcb (cma_t_tcb_header *, cma__t_int_tcb **);
extern void cma__deb_fac_to_client (cma_t_integer, cma_t_key *);
extern void cma__deb_get_client_info (cma_t_key, cma_t_address *,
cma_t_boolean *);
extern void cma__deb_get_context (cma__t_int_tcb *, cma_t_key,cma_t_address *);
extern cma__t_int_tcb *cma__deb_get_self_tcb (void);
extern void cma__deb_get_time_slice (cma_t_interval *);
extern cma__t_int_tcb *cma__deb_next_tcb (cma__t_int_tcb *,
cma_t_integer *,
cma_t_integer *,
cma_t_boolean *);
extern cma_t_boolean cma__deb_set_alert (cma__t_int_tcb *);
extern void cma__deb_set_next_thread (cma__t_int_tcb *);
extern void cma__deb_set_force_dispatch (cma_t_address );
extern void cma__deb_set_time_slice (cma_t_interval);
extern void cma__deb_show_thread (cma__t_int_tcb *, cma_t_boolean,
cma_t_boolean, cma___t_debug_ctx,
cma__t_eol_routine,
cma__t_eol_routine, cma__t_print_symbol);
extern void
cma__deb_show_stats (cma__t_int_tcb *, cma_t_boolean,
cma_t_boolean, cma__t_eol_routine,
cma__t_eol_routine, cma__t_print_symbol);
#endif

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@ -1,199 +0,0 @@
/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file providing access to CMA clients that implement
* language run-times to the CMA debugger capabilities.
*
* NOTE: the clients that are able to use this interface is
* very limited because clients needing task debugging must have
* support in the system debugger as well as here (at present).
* The following are the only legitimate clients of this interface:
* ADA runtime, C++ tasking library, and CMA.
*
*FIX-ME* We shall endeavor to extend these capabilities so that the
* all-platform CMA debugger CMA_DEBUG and any client can layer
* on thread debugging. But that is still an open design problem.
* The design here does not preclude that extension (for example,
* the identity of the debug-client is indicated in an "open"
* manner by using the CMA context key as the identifier.
*/
#ifndef CMA_DEBUG_CLIENT
#define CMA_DEBUG_CLIENT
/*
* INCLUDE FILES
*/
#include <cma.h>
/*
* CONSTANTS AND MACROS
*/
/*
* TYPEDEFS
*/
/*
* Type describing constants for a valid TCB sentinel.
* Exactly one value is valid, but we provide a symbolic name for
* at least one invalid sentinel as a convenience.
*/
typedef enum CMA_T_TCB_SENTINEL {
cma_c_tcb_sentinel_nogood = 0, /* Invalid sentinel constant */
cma_c_tcb_sentinel = 0x0ACEFACE /* Valid TCB sentinel */
} cma_t_tcb_sentinel;
/*
* Type describing pad fields needed to align the "standard prolog"
* to the right byte at the front of each TCB. These fields are
* free to be put to any use by the client.
*
* This is 32 bytes long and is fixed at this size for all clients
* and CMA, for all time.
*/
typedef struct CMA_T_TCB_PRIVATE {
cma_t_integer pad1;
cma_t_integer pad2;
cma_t_integer pad3;
cma_t_integer pad4;
cma_t_integer pad5;
cma_t_integer pad6;
cma_t_integer pad7;
cma_t_integer pad8;
} cma_t_tcb_private;
/*
* Type describing the "standard prolog" that clients should use
* within their task control blocks. We assume that the client will
* store their "task control block" as a per-thread context under
* the context key specified here.
*/
typedef struct CMA_T_TCB_PROLOG {
cma_t_tcb_sentinel sentinel; /* Validity sentinel */
cma_t_thread client_thread; /* Thread corresonding to task */
cma_t_key client_key; /* Context key this is stored under */
cma_t_address reserved1; /* Must be zero, reserved to CMA */
} cma_t_tcb_prolog;
/*
* Type defining the layout of all TCBs and TASKS. This format
* ensures that tasks will be self-identifying to the debugger.
* this layout must never change as the CMA DEBUG Clients cannot
* be changed after CMA ships.
*/
typedef struct CMA_T_TCB_HEADER {
cma_t_tcb_private IGNORED; /* TCB fields private to the client */
cma_t_tcb_prolog prolog; /* The standard prolog goes here */
} cma_t_tcb_header;
/*
* Type describing the kinds of information that a CMA debug
* client can GET about a thread.
*/
typedef enum CMA_T_DEBUG_GET {
/*
* All of the following items use a buffer whose size is
* four bytes. (That is four must be passed as the buffer_size
* parameter to cma_debug_get.)
*/
cma_c_debget_guardsize = 1, /* Current guard size (bytes) */
cma_c_debget_is_held = 2, /* Is it on hold? */
cma_c_debget_is_initial = 3, /* Is it the initial thread? */
cma_c_debget_number = 4, /* Thread's number */
cma_c_debget_stack_ptr = 5, /* Current stack pointer */
cma_c_debget_stack_base = 6, /* Stack base address */
cma_c_debget_stack_top = 7, /* Stack top address */
cma_c_debget_sched_state = 8, /* Scheduler state
* 0 - run
* 1 - ready
* 2 - blocked
* 3 - terminated
*/
cma_c_debget_reserve_size = 9, /* Size of stack reserve (bytes) */
cma_c_debget_base_prio = 10, /* Base priority */
cma_c_debget_priority = 11, /* Current priority */
cma_c_debget_regs = 12, /* Register set (and proc. state) */
cma_c_debget_alt_pending = 13, /* Alert is pending */
cma_c_debget_alt_a_enable = 14, /* Asynch alert delivery enabled */
cma_c_debget_alt_g_enable = 15, /* General alert delivery enabled */
cma_c_debget_substate = 16, /* Substate (or wait state) */
cma_c_debget_object_addr = 17, /* Address of thread object */
cma_c_debget_thkind = 18, /* Kind of thread */
cma_c_debget_detached = 19, /* Thread is detached */
cma_c_debget_tcb_size = 20, /* TCB size */
cma_c_debget_start_pc = 21, /* Start address */
cma_c_debget_next_pc = 22, /* Next instruction */
cma_c_debget_policy = 23, /* Sched policy */
cma_c_debget_stack_yellow = 24, /* Addr of start of guard area */
cma_c_debget_stack_default = 25 /* True if on default stack */
} cma_t_debug_get;
/*
* Type describing the kinds of information that a CMA debug
* client can SET (or change) about a thread using cma_debug_set.
*/
typedef enum CMA_T_DEBUG_SET {
/*
* All of the following items use a buffer whose size is
* four bytes. (That is four must be passed as the buffer_size
* parameter to cma_debug_set.)
*/
cma_c_debset_priority = 1, /* Set the priority */
cma_c_debset_policy = 2, /* Set the sched policy */
cma_c_debset_hold = 3, /* Put thread on hold */
cma_c_debset_regs = 4 /* Set the regs and proc. state */
} cma_t_debug_set;
/*
* GLOBAL DATA
*
* none
*/
/*
* EXTERNAL INTERFACES
*/
/*
* Routine to register with the CMA debug dispatcher.
*/
extern void cma_debug_register (cma_t_address,
cma_t_key,cma_t_integer, cma_t_boolean);
/*
* Routine to get get thread state needed by the CMA debug client.
*/
extern void cma_debug_get (cma_t_thread *,
cma_t_debug_get, cma_t_address,cma_t_integer);
/*
* Get thread context given an sp and a key
*/
extern void cma_debug_get_sp_context (cma_t_address,
cma_t_key, cma_t_address *);
/*
* Routine to set thread state as needed by the CMA debug client.
*/
extern void cma_debug_set (cma_t_thread *,
cma_t_debug_set, cma_t_address,cma_t_integer);
#endif

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@ -1,55 +0,0 @@
/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* This module is the interface between CMA services and
* the platform-specific error reporting mechanism.
*/
#ifndef CMA_ERRORS
#define CMA_ERRORS
/*
* INCLUDE FILES
*/
/*
* CONSTANTS AND MACROS
*/
/*
* TYPEDEFS
*/
/*
* GLOBAL DATA
*/
/*
* INTERNAL INTERFACES
*/
/*
* The cma__bugcheck function will print information to stderr (or sys$error
* on VMS), and more extensive information to the file cma_dump.log in the
* current working directory.
*/
extern void cma__bugcheck (char *,...);
extern void cma__error (int);
extern void cma__unimplemented (void);
#endif

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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for handles
*/
#ifndef CMA_HANDLE
#define CMA_HANDLE
/*
* INCLUDE FILES
*/
#include <cma_defs.h>
#include <cma_attr.h>
/*
* CONSTANTS AND MACROS
*/
#define cma__validate_attr(handle) \
((cma__t_int_attr *)cma__validate_handle ( \
(cma_t_handle *)(handle), \
cma__c_obj_attr))
#define cma__validate_cv(handle) \
((cma__t_int_cv *)cma__validate_handle ( \
(cma_t_handle *)(handle), \
cma__c_obj_cv))
#define cma__validate_mutex(handle) \
((cma__t_int_mutex *)cma__validate_handle ( \
(cma_t_handle *)(handle), \
cma__c_obj_mutex))
#define cma__validate_tcb(handle) \
((cma__t_int_tcb *)cma__validate_handle ( \
(cma_t_handle *)(handle), \
cma__c_obj_tcb))
#define cma__validate_stack(handle) \
((cma__t_int_stack *)cma__validate_handle ( \
(cma_t_handle *)(handle), \
cma__c_obj_stack))
#define cma__validate_null_attr(handle) \
((cma__t_int_attr *)cma__validate_handle_null ( \
(cma_t_handle *)(handle), \
cma__c_obj_attr))
#define cma__validate_null_cv(handle) \
((cma__t_int_cv *)cma__validate_handle_null ( \
(cma_t_handle *)(handle), \
cma__c_obj_cv))
#define cma__validate_null_mutex(handle) \
((cma__t_int_mutex *)cma__validate_handle_null ( \
(cma_t_handle *)(handle), \
cma__c_obj_mutex))
#define cma__validate_null_tcb(handle) \
((cma__t_int_tcb *)cma__validate_handle_null ( \
(cma_t_handle *)(handle), \
cma__c_obj_tcb))
#define cma__validate_null_stack(handle) \
((cma__t_int_stack *)cma__validate_handle_null ( \
(cma_t_handle *)(handle), \
cma__c_obj_stack))
#define cma__val_attr_stat(handle,obj) \
cma__val_hand_stat ( \
(cma_t_handle *)(handle), \
cma__c_obj_attr, \
(cma__t_object **)obj)
#define cma__val_cv_stat(handle,obj) \
cma__val_hand_stat ( \
(cma_t_handle *)(handle), \
cma__c_obj_cv, \
(cma__t_object **)obj)
#define cma__val_mutex_stat(handle,obj) \
cma__val_hand_stat ( \
(cma_t_handle *)(handle), \
cma__c_obj_mutex, \
(cma__t_object **)obj)
#define cma__val_tcb_stat(handle) \
cma__val_hand_stat ( \
(cma_t_handle *)(handle), \
cma__c_obj_tcb, \
(cma__t_object **)obj)
#define cma__val_stack_stat(handle,obj) \
cma__val_hand_stat ( \
(cma_t_handle *)(handle), \
cma__c_obj_stack, \
(cma__t_object **)obj)
#define cma__val_nullattr_stat(handle,obj) \
cma__val_handnull_stat ( \
(cma_t_handle *)(handle), \
cma__c_obj_attr, \
(cma__t_object **)obj)
#define cma__val_nullcv_stat(handle,obj) \
cma__val_handnull_stat ( \
(cma_t_handle *)(handle), \
cma__c_obj_cv, \
(cma__t_object **)obj)
#define cma__val_nullmutex_stat(handle,obj) \
cma__val_handnull_stat ( \
(cma_t_handle *)(handle), \
cma__c_obj_mutex, \
(cma__t_object **)obj)
#define cma__val_nulltcb_stat(handle,obj) \
cma__val_handnull_stat ( \
(cma_t_handle *)(handle), \
cma__c_obj_tcb, \
(cma__t_object **)obj)
#define cma__val_nullstack_stat(handle) \
cma__val_handnull_stat ( \
(cma_t_handle *)(handle), \
cma__c_obj_stack, \
(cma__t_object **)obj)
/*
* TYPEDEFS
*/
/*
* Internal format of a handle (to the outside world it's an array of two
* addresses, but we know better).
*/
typedef struct CMA__T_INT_HANDLE {
cma__t_object *pointer; /* Address of internal structure */
cma__t_short sequence; /* Sequence number of object */
cma__t_short type; /* Type code of object */
} cma__t_int_handle;
/*
* GLOBAL DATA
*/
/*
* INTERNAL INTERFACES
*/
extern void cma__clear_handle (cma_t_handle *);
extern void cma__object_to_handle (cma__t_object *, cma_t_handle *);
extern cma__t_int_attr * cma__validate_default_attr (cma_t_handle *);
extern cma_t_status cma__val_defattr_stat (cma_t_handle *, cma__t_int_attr **);
extern cma__t_object * cma__validate_handle (cma_t_handle *, cma_t_natural );
extern cma_t_status cma__val_hand_stat (cma_t_handle *,
cma_t_natural, cma__t_object **);
extern cma__t_object *cma__validate_handle_null (cma_t_handle *,
cma_t_natural);
extern cma_t_status cma__val_handnull_stat (cma_t_handle *,
cma_t_natural, cma__t_object **);
#endif

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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for CMA initialization
*/
#ifndef CMA_INIT
#define CMA_INIT
/*
* INCLUDE FILES
*/
#include <dce/cma_host.h>
#include <cma_errors.h>
/*
* CONSTANTS AND MACROS
*/
#define cma__c_env_maxattr 0
#define cma__c_env_minattr 1
#define cma__c_env_maxcond 2
#define cma__c_env_mincond 3
#define cma__c_env_maxmutex 4
#define cma__c_env_minmutex 5
#define cma__c_env_maxthread 6
#define cma__c_env_minthread 7
#define cma__c_env_maxcluster 8
#define cma__c_env_mincluster 9
#define cma__c_env_maxvp 10
#define cma__c_env_multiplex 11
#define cma__c_env_trace 12
#define cma__c_env_trace_file 13
#define cma__c_env_count 13
/*
* cma__int_init
*
* Initialize the main body of CMA exactly once.
*
* We raise an exception if, for some odd reason, there are already threads
* in the environment (e.g. kernel threads), and one of them is trying to
* initialize CMA before the first thread got all the way through the actual
* initialization. This code maintains the invariants: "after successfully
* calling CMA_INIT, you can call any CMA function", and "CMA is actually
* initialized at most once".
*/
/*#ifndef _HP_LIBC_R */
#if defined _HP_LIBC_R ||(defined(SNI_SVR4) && !defined(CMA_INIT_NEEDED))
# define cma__int_init()
#else
# define cma__int_init() { \
if (!cma__tac_isset(&cma__g_init_started)) { \
if (!cma__test_and_set (&cma__g_init_started)) { \
cma__init_static (); \
cma__test_and_set (&cma__g_init_done); \
} \
else if (!cma__tac_isset (&cma__g_init_done)) { \
cma__error (cma_s_inialrpro); \
}}}
#endif
/*
* TYPEDEFS
*/
typedef enum CMA__T_ENV_TYPE {
cma__c_env_type_int,
cma__c_env_type_file
} cma__t_env_type;
typedef struct CMA__T_ENV {
char *name; /* Name of environment variable */
cma__t_env_type type; /* Type of variable */
cma_t_integer value; /* Numeric value of the variable */
} cma__t_env;
/*
* GLOBAL DATA
*/
extern cma__t_env cma__g_env[cma__c_env_count];
extern cma__t_atomic_bit cma__g_init_started;
extern cma__t_atomic_bit cma__g_init_done;
extern char *cma__g_version;
/*
* INTERNAL INTERFACES
*/
extern void
cma__init_static (void); /* Initialize static data */
#if _CMA_OS_ != _CMA__VMS
extern void cma__init_atfork (void);
#endif
#endif

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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for generic list functions operating on singly linked
* null-terminated lists. Items may not be REMOVED from the list! The
* intent is that the list can be traversed (for read-only operations)
* without locking, since insertion is "safe" (though not truely
* atomic). THIS ASSUMES THAT THE HARDWARE MAKES WRITES VISIBLE TO READS
* IN THE ORDER IN WHICH THEY OCCURRED! WITHOUT SUCH READ/WRITE
* ORDERING, IT MAY BE NECESSARY TO INSERT "BARRIERS" TO PRODUCE THE
* REQUIRED VISIBILITY!
*/
#ifndef CMA_LIST
#define CMA_LIST
/*
* INCLUDE FILES
*/
#include <cma.h>
/*
* CONSTANTS AND MACROS
*/
#define cma__c_null_list ((cma__t_list *)cma_c_null_ptr)
/*
* Test whether a list is empty. Return cma_c_true if so, else
* cma_c_false.
*/
#define cma__list_empty(head) ((head)->link == cma__c_null_list)
/*
* Initialize a queue header to empty.
*/
#define cma__list_init(head) (void)((head)->link = cma__c_null_list)
/*
* Insert an element in a list following the specified item (or at the
* beginning of the list if "list" is the list head). NOTE: insertion
* operations should be interlocked by the caller!
*/
#define cma__list_insert(element,list) (void)( \
(element)->link = (list)->link, \
(list)->link = (element))
/*
* Return the next item in a list (or the first, if the address is of the
* list header)
*/
#define cma__list_next(element) ((element)->link)
/*
* TYPEDEFS
*/
typedef struct CMA__T_LIST {
struct CMA__T_LIST *link; /* Forward link */
} cma__t_list;
/*
* GLOBAL DATA
*/
/*
* INTERNAL INTERFACES
*/
#endif

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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for mutex operations
*/
#ifndef CMA_MUTEX
#define CMA_MUTEX
/*
* INCLUDE FILES
*/
#include <cma.h>
#include <cma_attr.h>
#include <cma_defs.h>
#include <cma_semaphore_defs.h>
#include <cma_sequence.h>
#include <cma_tcb_defs.h>
#include <cma_stack.h>
/*
* CONSTANTS AND MACROS
*/
/*
* TYPEDEFS
*/
typedef struct CMA__T_INT_MUTEX {
cma__t_object header; /* Common header (sequence, type) */
cma__t_int_attr *attributes; /* Back link */
cma__t_int_tcb *owner; /* Current owner (if any) */
cma_t_integer nest_count; /* Nesting level for recursive mutex */
cma__t_atomic_bit *unlock; /* Pointer used for unlock operation */
cma__t_atomic_bit lock; /* Set if currently locked */
struct CMA__T_INT_MUTEX *int_lock; /* Internal protection for mutex */
cma__t_atomic_bit event; /* Clear when unlock requires action */
cma__t_atomic_bit waiters; /* Clear when threads are waiting */
cma__t_atomic_bit bitbucket; /* Fake bit to keep friendlies
locked */
cma_t_mutex_kind mutex_kind; /* Kind of mutex */
cma__t_semaphore semaphore; /* Semaphore for low-level wait */
} cma__t_int_mutex;
/*
* FUNCTIONAL DESCRIPTION:
*
* Lock a mutex (internal)
*
* FORMAL PARAMETERS:
*
* mutex Pointer to mutex object to lock
*
* IMPLICIT INPUTS:
*
* none
*
* IMPLICIT OUTPUTS:
*
* none
*
* FUNCTION VALUE:
*
* none
*
* SIDE EFFECTS:
*
* none
*/
#ifdef NDEBUG
# define cma__int_lock(mutex) { \
if (cma__test_and_set (&((cma__t_int_mutex *)mutex)->lock)) { \
cma_t_status res;\
res = cma__int_mutex_block ((cma__t_int_mutex *)mutex); \
if (res != cma_s_normal) cma__error (res); \
} \
}
#else
# define cma__int_lock(mutex) { \
cma__t_int_tcb *__ltcb__; \
__ltcb__ = cma__get_self_tcb (); \
if (cma__test_and_set (&((cma__t_int_mutex *)mutex)->lock)) { \
cma_t_status res;\
res = cma__int_mutex_block ((cma__t_int_mutex *)mutex); \
if (res != cma_s_normal) cma__error (res); \
} \
((cma__t_int_mutex *)mutex)->owner = __ltcb__; \
}
#endif
/*
* FUNCTIONAL DESCRIPTION:
*
* Unlock a mutex (internal)
*
* FORMAL PARAMETERS:
*
* mutex Pointer to mutex object to unlock
*
* IMPLICIT INPUTS:
*
* none
*
* IMPLICIT OUTPUTS:
*
* none
*
* FUNCTION VALUE:
*
* none
*
* SIDE EFFECTS:
*
* none
*/
#ifdef NDEBUG
# define cma__int_unlock(mutex) { \
cma__unset (((cma__t_int_mutex *)mutex)->unlock); \
if (!cma__test_and_set (&((cma__t_int_mutex *)mutex)->event)) { \
cma_t_status res;\
res = cma__int_mutex_unblock ((cma__t_int_mutex *)mutex); \
if (res != cma_s_normal) cma__error (res); \
} \
}
#else
# define cma__int_unlock(mutex) { \
cma__t_int_tcb *__utcb__; \
__utcb__ = cma__get_self_tcb (); \
if (((cma__t_int_mutex *)mutex)->mutex_kind == cma_c_mutex_fast) { \
cma__assert_warn ( \
(__utcb__ == ((cma__t_int_mutex *)mutex)->owner), \
"attempt to release mutx owned by another thread"); \
((cma__t_int_mutex *) mutex)->owner \
= (cma__t_int_tcb *)cma_c_null_ptr; \
} \
cma__unset (((cma__t_int_mutex *)mutex)->unlock); \
if (!cma__test_and_set (&((cma__t_int_mutex *)mutex)->event)) { \
cma_t_status res;\
res = cma__int_mutex_unblock ((cma__t_int_mutex *)mutex); \
if (res != cma_s_normal) cma__error (res); \
} \
}
#endif
/*
* FUNCTIONAL DESCRIPTION:
*
* cma__int_mutex_delete - Performs work for cma_mutex_delete
*
* FORMAL PARAMETERS:
*
* cma__t_mutex _mutex_ - Mutex to be deleted
*
* IMPLICIT INPUTS:
*
* none
*
* IMPLICIT OUTPUTS:
*
* none
*
* FUNCTION VALUE:
*
* none
*
* SIDE EFFECTS:
*
* none
*/
#define cma__int_mutex_delete(_mutex_) { \
cma__t_int_mutex *_int_mutex_; \
_int_mutex_ = cma__validate_null_mutex (_mutex_); \
if (_int_mutex_ == (cma__t_int_mutex *)cma_c_null_ptr) \
return; \
if (cma__int_mutex_locked (_int_mutex_)) \
cma__error (cma_s_in_use); \
cma__free_mutex (_int_mutex_); \
cma__clear_handle (_mutex_); \
}
/*
* GLOBAL DATA
*/
extern cma__t_sequence cma__g_mutex_seq;
extern cma__t_int_mutex *cma__g_global_lock;
/*
* INTERNAL INTERFACES
*/
extern void cma__destroy_mutex (cma__t_int_mutex *);
extern void cma__free_mutex (cma__t_int_mutex *);
extern void cma__free_mutex_nolock (cma__t_int_mutex *);
extern cma__t_int_mutex * cma__get_first_mutex (cma__t_int_attr *);
extern cma__t_int_mutex * cma__get_mutex (cma__t_int_attr *);
extern void cma__init_mutex (void);
extern cma_t_status cma__int_mutex_block (cma__t_int_mutex *);
extern cma_t_boolean cma__int_mutex_locked (cma__t_int_mutex *);
extern cma_t_boolean cma__int_try_lock (cma__t_int_mutex *);
extern cma_t_status cma__int_mutex_unblock (cma__t_int_mutex *);
extern cma_t_boolean cma__mutex_locked (cma_t_mutex);
extern void cma__reinit_mutex (cma_t_integer);
#endif

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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for priority scheduling
*/
#ifndef CMA_SCHED
#define CMA_SCHED
/*
* INCLUDE FILES
*/
/*
* CONSTANTS AND MACROS
*/
/*
* Scaling factor for integer priority calculations
*/
#define cma__c_prio_scale 8
#if _CMA_VENDOR_ == _CMA__APOLLO
/*
* FIX-ME: Apollo cc 6.8 blows contant folded "<<" and ">>"
*/
# define cma__scale_up(exp) ((exp) * 256)
# define cma__scale_dn(exp) ((exp) / 256)
#else
# define cma__scale_up(exp) ((exp) << cma__c_prio_scale)
# define cma__scale_dn(exp) ((exp) >> cma__c_prio_scale)
#endif
/*
* Min. num. of ticks between self-adjustments for priority adjusting policies.
*/
#define cma__c_prio_interval 10
/*
* Number of queues in each class of queues
*/
#define cma__c_prio_n_id 1 /* Very-low-priority class threads */
#define cma__c_prio_n_bg 8 /* Background class threads */
#define cma__c_prio_n_0 1 /* Very low priority throughput quartile */
#define cma__c_prio_n_1 2 /* Low priority throughput quartile */
#define cma__c_prio_n_2 3 /* Medium priority throughput quartile */
#define cma__c_prio_n_3 4 /* High priority throughput quartile */
#define cma__c_prio_n_rt 1 /* Real Time priority queues */
/*
* Number of queues to skip (offset) to get to the queues in this section of LA
*/
#define cma__c_prio_o_id 0
#define cma__c_prio_o_bg cma__c_prio_o_id + cma__c_prio_n_id
#define cma__c_prio_o_0 cma__c_prio_o_bg + cma__c_prio_n_bg
#define cma__c_prio_o_1 cma__c_prio_o_0 + cma__c_prio_n_0
#define cma__c_prio_o_2 cma__c_prio_o_1 + cma__c_prio_n_1
#define cma__c_prio_o_3 cma__c_prio_o_2 + cma__c_prio_n_2
#define cma__c_prio_o_rt cma__c_prio_o_3 + cma__c_prio_n_3
/*
* Ada_low: These threads are queued in the background queues, thus there
* must be enough queues to allow one queue for each Ada priority below the
* Ada default.
*/
#define cma__c_prio_o_al cma__c_prio_o_bg
/*
* Total number of ready queues, for declaration purposes
*/
#define cma__c_prio_n_tot \
cma__c_prio_n_id + cma__c_prio_n_bg + cma__c_prio_n_rt \
+ cma__c_prio_n_0 + cma__c_prio_n_1 + cma__c_prio_n_2 + cma__c_prio_n_3
/*
* Formulae for determining a thread's priority. Variable priorities (such
* as foreground and background) are scaled values.
*/
#define cma__sched_priority(tcb) \
((tcb)->sched.class == cma__c_class_fore ? cma__sched_prio_fore (tcb) \
:((tcb)->sched.class == cma__c_class_back ? cma__sched_prio_back (tcb) \
:((tcb)->sched.class == cma__c_class_rt ? cma__sched_prio_rt (tcb) \
:((tcb)->sched.class == cma__c_class_idle ? cma__sched_prio_idle (tcb) \
:(cma__bugcheck ("cma__sched_priority: unrecognized class"), 0) ))))
#define cma__sched_prio_fore(tcb) cma__sched_prio_fore_var (tcb)
#define cma__sched_prio_back(tcb) ((tcb)->sched.fixed_prio \
? cma__sched_prio_back_fix (tcb) : cma__sched_prio_back_var (tcb) )
#define cma__sched_prio_rt(tcb) ((tcb)->sched.priority)
#define cma__sched_prio_idle(tcb) ((tcb)->sched.priority)
#define cma__sched_prio_back_fix(tcb) \
(cma__g_prio_bg_min + (cma__g_prio_bg_max - cma__g_prio_bg_min) \
* ((tcb)->sched.priority + cma__c_prio_o_al - cma__c_prio_o_bg) \
/ cma__c_prio_n_bg)
/*
* FIX-ME: Enable after modeling (if we like it)
*/
#if 1
# define cma__sched_prio_fore_var(tcb) \
((cma__g_prio_fg_max + cma__g_prio_fg_min)/2)
# define cma__sched_prio_back_var(tcb) \
((cma__g_prio_bg_max + cma__g_prio_bg_min)/2)
#else
# define cma__sched_prio_back_var(tcb) cma__sched_prio_fore_var (tcb)
# if 1
/*
* Re-scale, since the division removes the scale factor.
* Scale and multiply before dividing to avoid loss of precision.
*/
# define cma__sched_prio_fore_var(tcb) \
((cma__g_vp_count * cma__scale_up((tcb)->sched.tot_time)) \
/ (tcb)->sched.cpu_time)
# else
/*
* Re-scale, since the division removes the scale factor.
* Scale and multiply before dividing to avoid loss of precision.
* Left shift the numerator to multiply by two.
*/
# define cma__sched_prio_fore_var(tcb) \
(((cma__g_vp_count * cma__scale_up((tcb)->sched.tot_time) \
* (tcb)->sched.priority * cma__g_init_frac_sum) << 1) \
/ ((tcb)->sched.cpu_time * (tcb)->sched.priority * cma__g_init_frac_sum \
+ (tcb)->sched.tot_time))
# endif
#endif
/*
* Update weighted-averaged, scaled tick counters
*/
#define cma__sched_update_time(ave, new) \
(ave) = (ave) - ((cma__scale_dn((ave)) - (new)) << (cma__c_prio_scale - 4))
#define cma__sched_parameterize(tcb, policy) { \
switch (policy) { \
case cma_c_sched_fifo : { \
(tcb)->sched.rtb = cma_c_true; \
(tcb)->sched.spp = cma_c_true; \
(tcb)->sched.fixed_prio = cma_c_true; \
(tcb)->sched.class = cma__c_class_rt; \
break; \
} \
case cma_c_sched_rr : { \
(tcb)->sched.rtb = cma_c_false; \
(tcb)->sched.spp = cma_c_true; \
(tcb)->sched.fixed_prio = cma_c_true; \
(tcb)->sched.class = cma__c_class_rt; \
break; \
} \
case cma_c_sched_throughput : { \
(tcb)->sched.rtb = cma_c_false; \
(tcb)->sched.spp = cma_c_false; \
(tcb)->sched.fixed_prio = cma_c_false; \
(tcb)->sched.class = cma__c_class_fore; \
break; \
} \
case cma_c_sched_background : { \
(tcb)->sched.rtb = cma_c_false; \
(tcb)->sched.spp = cma_c_false; \
(tcb)->sched.fixed_prio = cma_c_false; \
(tcb)->sched.class = cma__c_class_back; \
break; \
} \
case cma_c_sched_ada_low : { \
(tcb)->sched.rtb = cma_c_false; \
(tcb)->sched.spp = cma_c_true; \
(tcb)->sched.fixed_prio = cma_c_true; \
(tcb)->sched.class = cma__c_class_back; \
break; \
} \
case cma_c_sched_idle : { \
(tcb)->sched.rtb = cma_c_false; \
(tcb)->sched.spp = cma_c_false; \
(tcb)->sched.fixed_prio = cma_c_false; \
(tcb)->sched.class = cma__c_class_idle; \
break; \
} \
default : { \
cma__bugcheck ("cma__sched_parameterize: bad scheduling Policy"); \
break; \
} \
} \
}
/*
* TYPEDEFS
*/
/*
* Scheduling classes
*/
typedef enum CMA__T_SCHED_CLASS {
cma__c_class_rt,
cma__c_class_fore,
cma__c_class_back,
cma__c_class_idle
} cma__t_sched_class;
/*
* GLOBAL DATA
*/
/*
* Minimuma and maximum prioirities, for foreground and background threads,
* as of the last time the scheduler ran. (Scaled once.)
*/
extern cma_t_integer cma__g_prio_fg_min;
extern cma_t_integer cma__g_prio_fg_max;
extern cma_t_integer cma__g_prio_bg_min;
extern cma_t_integer cma__g_prio_bg_max;
/*
* The "m" values are the slopes of the four sections of linear approximation.
*
* cma__g_prio_m_I = 4*N(I)/cma__g_prio_range (Scaled once.)
*/
extern cma_t_integer cma__g_prio_m_0,
cma__g_prio_m_1,
cma__g_prio_m_2,
cma__g_prio_m_3;
/*
* The "b" values are the intercepts of the four sections of linear approx.
* (Not scaled.)
*
* cma__g_prio_b_I = -N(I)*(I*prio_max + (4-I)*prio_min)/prio_range + prio_o_I
*/
extern cma_t_integer cma__g_prio_b_0,
cma__g_prio_b_1,
cma__g_prio_b_2,
cma__g_prio_b_3;
/*
* The "p" values are the end points of the four sections of linear approx.
*
* cma__g_prio_p_I = cma__g_prio_fg_min + (I/4)*cma__g_prio_range
*
* [cma__g_prio_p_0 is not defined since it is not used (also, it is the same
* as cma__g_prio_fg_min).] (Scaled once.)
*/
extern cma_t_integer cma__g_prio_p_1,
cma__g_prio_p_2,
cma__g_prio_p_3;
/*
* Points to the next queue for the dispatcher to check for ready threads.
*/
extern cma_t_integer cma__g_next_ready_queue;
/*
* Points to the queues of virtual processors (for preempt victim search)
*/
extern cma__t_queue cma__g_run_vps;
extern cma__t_queue cma__g_susp_vps;
extern cma_t_integer cma__g_vp_count;
/*
* INTERNAL INTERFACES
*/
#endif

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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for semaphore structure definition.
*/
#ifndef CMA_SEMAPHORE_DEFS
#define CMA_SEMAPHORE_DEFS
/*
* INCLUDE FILES
*/
#include <cma.h>
#include <cma_queue.h>
#include <cma_defs.h>
/*
* CONSTANTS AND MACROS
*/
#define cma__c_semaphore_timeout 1
#define cma__c_semaphore_event 0
#define cma__c_select_timeout 2
/*
* TYPEDEFS
*/
typedef struct CMA__T_SEMAPHORE {
cma__t_queue queue;
cma__t_atomic_bit nopending;
} cma__t_semaphore;
#endif

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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for sequence generator functions
*/
#ifndef CMA_SEQUENCE
#define CMA_SEQUENCE
/*
* INCLUDE FILES
*/
/*
* CONSTANTS AND MACROS
*/
/*
* TYPEDEFS
*/
#ifndef __STDC__
struct CMA__T_INT_MUTEX;
#endif
typedef struct CMA__T_SEQUENCE {
struct CMA__T_INT_MUTEX *mutex; /* Serialize access to counter */
cma_t_natural seq; /* Sequence number for object */
} cma__t_sequence;
/*
* GLOBAL DATA
*/
/*
* INTERNAL INTERFACES
*/
extern cma_t_natural cma__assign_sequence (cma__t_sequence *);
extern void cma__init_sequence (cma__t_sequence *);
#endif

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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for stack management
*/
#ifndef CMA_STACK
#define CMA_STACK
/*
* INCLUDE FILES
*/
#include <cma_tcb_defs.h>
#include <cma.h>
#include <cma_attr.h>
#include <cma_queue.h>
#include <cma_stack_int.h>
/*
* CONSTANTS AND MACROS
*/
#if _CMA_UNIPROCESSOR_
# define cma__get_self_tcb() (cma__g_current_thread)
#endif
/*
* Round the given value (a) upto cma__g_chunk_size
*/
#define cma__roundup_chunksize(a) (cma__roundup(a,cma__g_chunk_size))
/*
* TYPEDEFS
*/
/*
* GLOBAL DATA
*/
extern cma__t_list cma__g_stack_clusters;
extern cma__t_int_tcb *cma__g_current_thread;
extern cma_t_integer cma__g_chunk_size;
/*
* INTERNAL INTERFACES
*/
extern void cma__assign_stack (cma__t_int_stack *,cma__t_int_tcb *);
extern void cma__free_stack (cma__t_int_stack *);
extern void cma__free_stack_list (cma__t_queue *);
#if !_CMA_UNIPROCESSOR_
extern cma__t_int_tcb * cma__get_self_tcb (void);
#endif
extern cma__t_int_tcb * cma__get_sp_tcb (cma_t_address);
extern cma__t_int_stack * cma__get_stack (cma__t_int_attr *);
extern void cma__init_stack (void);
extern void cma__reinit_stack (cma_t_integer);
#if _CMA_PROTECT_MEMORY_
extern void cma__remap_stack_holes (void);
#endif
#endif

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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for stack management (internal to cma_stack.c, but
* separate for convenience, and unit testing).
*/
#ifndef CMA_STACK_INT
#define CMA_STACK_INT
/*
* INCLUDE FILES
*/
#include <cma.h>
#include <cma_queue.h>
#include <cma_list.h>
#include <cma_tcb_defs.h>
/*
* CONSTANTS AND MACROS
*/
#define cma___c_first_free_chunk 0
#define cma___c_min_count 2 /* Smallest number of chunks
to leave */
#define cma___c_end (-1) /* End of free list (flag) */
#define cma__c_yellow_size 0
/*
* Cluster types
*/
#define cma___c_cluster 0 /* Default cluster */
#define cma___c_bigstack 1 /* Looks like a cluster, but it's a stack */
#define cma___c_null_cluster (cma___t_cluster *)cma_c_null_ptr
/*
* TYPEDEFS
*/
#ifndef __STDC__
struct CMA__T_INT_STACK;
#endif
typedef cma_t_natural cma___t_index; /* Type for chunk index */
typedef struct CMA___T_CLU_DESC {
cma__t_list list; /* Queue element for cluster list */
cma_t_integer type; /* Type of cluster */
cma_t_address stacks;
cma_t_address limit;
} cma___t_clu_desc;
typedef union CMA___T_MAP_ENTRY {
struct {
cma__t_int_tcb *tcb; /* TCB associated with stack chunk */
struct CMA__T_INT_STACK *stack; /* Stack desc. ass. with stack chunk */
} mapped;
struct {
cma___t_index size; /* Number of chunks in block */
cma___t_index next; /* Next free block */
} free;
} cma___t_map_entry;
/*
* NOTE: It is VERY IMPORTANT that both cma___t_cluster and cma___t_bigstack
* begin with the cma___t_clu_desc structure, as there is some code in the
* stack manager that relies on being able to treat both as equivalent!
*/
typedef struct CMA___T_CLUSTER {
cma___t_clu_desc desc; /* Describe this cluster */
cma___t_map_entry map[cma__c_chunk_count]; /* thread map */
cma___t_index free; /* First free chunk index */
} cma___t_cluster;
/*
* NOTE: It is VERY IMPORTANT that both cma___t_cluster and cma___t_bigstack
* begin with the cma___t_clu_desc structure, as there is some code in the
* stack manager that relies on being able to treat both as equivalent!
*/
typedef struct CMA___T_BIGSTACK {
cma___t_clu_desc desc; /* Describe this cluster */
cma__t_int_tcb *tcb; /* TCB associated with stack */
struct CMA__T_INT_STACK *stack; /* Stack desc. ass. with stack */
cma_t_natural size; /* Size of big stack */
cma_t_boolean in_use; /* Set if allocated */
} cma___t_bigstack;
#if _CMA_PROTECT_MEMORY_
typedef struct CMA___T_INT_HOLE {
cma__t_queue link; /* Link holes together */
cma_t_boolean protected; /* Set when pages are protected */
cma_t_address first; /* First protected byte */
cma_t_address last; /* Last protected byte */
} cma___t_int_hole;
#endif
typedef struct CMA__T_INT_STACK {
cma__t_object header; /* Common header (sequence,
type info */
cma__t_int_attr *attributes; /* Backpointer to attr obj */
cma___t_cluster *cluster; /* Stack's cluster */
cma_t_address stack_base; /* base address of stack */
cma_t_address yellow_zone; /* first address of yellow zone */
cma_t_address last_guard; /* last address of guard pages */
cma_t_natural first_chunk; /* First chunk allocated */
cma_t_natural chunk_count; /* Count of chunks allocated */
cma__t_int_tcb *tcb; /* TCB backpointer */
#if _CMA_PROTECT_MEMORY_
cma___t_int_hole hole; /* Description of hole */
#endif
} cma__t_int_stack;
/*
* GLOBAL DATA
*/
/*
* INTERNAL INTERFACES
*/
#endif

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/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* TCB-related type definitions.
*/
#ifndef CMA_TCB_DEFS
#define CMA_TCB_DEFS
/*
* INCLUDE FILES
*/
# if !_CMA_THREAD_SYNC_IO_
# include <cma_thread_io.h>
# endif
#include <cma.h>
#include <cma_debug_client.h>
#include <cma_attr.h>
#include <cma_defs.h>
#include <cma_handle.h>
#include <cma_queue.h>
#if _CMA_OS_ == _CMA__UNIX
# if defined(SNI_DCOSX)
# include <sys/ucontext.h>
# endif
# include <signal.h>
#endif
#include <cma_sched.h>
/*
* CONSTANTS AND MACROS
*/
#if _CMA_PLATFORM_ == _CMA__IBMR2_UNIX
# define cma__c_ibmr2_ctx_stack_size 2048
# define cma__c_ibmr2_ctx_stack_top (cma__c_ibmr2_ctx_stack_size - 1)
#endif
/*
* TYPEDEFS
*/
#ifndef __STDC__
# if _CMA_HARDWARE_ != _CMA__HPPA
struct CMA__T_SEMAPHORE;
# endif
struct CMA__T_INT_CV;
struct CMA__T_INT_MUTEX;
struct CMA__T_INT_TCB;
#endif
typedef cma_t_address *cma__t_context_list;
typedef struct CMA__T_TCB_PAD {
/*
* Adjust to align the tcb prolog at byte 32.
* 12 bytes are required as object header is currently
* 20 bytes long.
*/
cma_t_integer pad1; /* pad bytes */
cma_t_integer pad2; /* pad bytes */
cma_t_integer pad3; /* pad bytes */
} cma__t_tcb_pad;
#if (_CMA_OS_ == _CMA__UNIX) && !_CMA_THREAD_SYNC_IO_
typedef struct CMA__T_TCB_SELECT {
cma__t_queue queue;
#if (_CMA_UNIX_TYPE != _CMA__SVR4)
cma__t_file_mask *rfds;
cma__t_file_mask *wfds;
cma__t_file_mask *efds;
#else
cma__t_poll_info poll_info;
#endif /* (_CMA_UNIX_TYPE != _CMA__SVR4) */
cma_t_integer nfound;
} cma__t_tcb_select;
#endif
typedef struct CMA__T_TCB_TIME {
cma__t_queue queue; /* must be first entry! */
cma_t_integer mode;
struct CMA__T_SEMAPHORE *semaphore; /* used for timed semaphores */
cma_t_date_time wakeup_time;
cma_t_integer quanta_remaining;
} cma__t_tcb_time;
typedef enum CMA__T_DEBEVT {
cma__c_debevt_activating = 1, /* First transition to running */
cma__c_debevt_running = 2, /* Any transition to running */
cma__c_debevt_preempting = 3, /* Preemted (replaced) another
thread */
cma__c_debevt_blocking = 4, /* Any transition to blocked */
cma__c_debevt_terminating = 5, /* Final state transition */
cma__c_debevt_term_alert = 6, /* Terminated due to alert/cancel */
cma__c_debevt_term_exc = 7, /* Terminated due to exception */
cma__c_debevt_exc_handled = 8 /* Exception is being handled */
} cma__t_debevt;
#define cma__c_debevt__first ((cma_t_integer)cma__c_debevt_activating)
#define cma__c_debevt__last ((cma_t_integer)cma__c_debevt_exc_handled)
#define cma__c_debevt__dim (cma__c_debevt__last + 1)
/*
* Type defining thread substate, which is used by the debugger.
* If the state is blocked, substate indicates WHY the thread is blocked.
*/
typedef enum CMA__T_SUBSTATE {
cma__c_substa_normal = 0,
cma__c_substa_mutex = 1,
cma__c_substa_cv = 2,
cma__c_substa_timed_cv = 3,
cma__c_substa_term_alt = 4,
cma__c_substa_term_exc = 5,
cma__c_substa_delay =6,
cma__c_substa_not_yet_run = 7
} cma__t_substate;
#define cma__c_substa__first ((cma_t_integer)cma__c_substa_normal)
#define cma__c_substa__last ((cma_t_integer)cma__c_substa_not_yet_run)
#define cma__c_substa__dim (cma__c_substa__last + 1)
/*
* Per-thread state for the debugger
*/
typedef struct CMA__T_TCB_DEBUG {
cma_t_boolean on_hold; /* Thread was put on hold by
debugger */
cma_t_boolean activated; /* Activation event was reported */
cma_t_boolean did_preempt; /* Thread preempted prior one */
cma_t_address start_pc; /* Start routine address */
cma_t_address object_addr; /* Addr of thread object */
cma__t_substate substate; /* Reason blocked, terminated, etc.*/
cma_t_boolean notify_debugger;/* Notify debugger thread is running */
cma_t_address SPARE2; /* SPARE */
cma_t_address SPARE3; /* SPARE */
struct CMA__T_INT_TCB
*preempted_tcb; /* TCB of thread that got preempted */
cma_t_boolean flags[cma__c_debevt__dim];
/* Events enabled for this thread */
} cma__t_tcb_debug;
typedef struct CMA__T_TCB_SCHED {
cma_t_integer adj_time; /* Abs. time in ticks of last
prio adj */
cma_t_integer tot_time; /* Weighted ave in ticks (scaled) */
cma_t_integer time_stamp; /* Abs. time in ticks of last update */
cma_t_integer cpu_time; /* Weighted average in ticks */
cma_t_integer cpu_ticks; /* # of ticks while comp. (scaled) */
cma_t_integer q_num; /* Number of last ready queue on */
cma_t_priority priority; /* Thread priority */
cma_t_sched_policy policy; /* Scheduling policy of thread */
cma_t_boolean rtb; /* "Run 'Till Block" scheduling */
cma_t_boolean spp; /* "Strict Priority
Preemption" sched */
cma_t_boolean fixed_prio; /* Fixed priority */
cma__t_sched_class class; /* Scheduling class */
struct CMA__T_VP *processor; /* Current processor (if running) */
} cma__t_tcb_sched;
typedef struct CMA__T_INT_ALERT {
cma_t_boolean pending : 1; /* alert_pending bit */
cma_t_boolean g_enable : 1; /* general delivery state */
cma_t_boolean a_enable : 1; /* asynchronous delivery state */
cma_t_integer spare : 29; /* Pad to longword */
cma_t_natural count; /* Alert scope nesting count */
} cma__t_int_alert;
typedef enum CMA__T_STATE {
cma__c_state_running = 0, /* For consistency with initial TCB */
cma__c_state_ready = 1,
cma__c_state_blocked = 2,
cma__c_state_terminated = 3
} cma__t_state;
#define cma__c_state__first ((cma_t_integer)cma__c_state_running)
#define cma__c_state__last ((cma_t_integer)cma__c_state_terminated)
#define cma__c_state__dim (cma__c_state__last + 1)
typedef enum CMA__T_THKIND {
cma__c_thkind_initial = 0, /* Initial thread */
cma__c_thkind_normal = 1, /* Normal thread */
cma__c_thkind_null = 2 /* A null thread */
} cma__t_thkind;
#define cma__c_thkind__first ((cma_t_integer)cma__c_thkind_initial)
#define cma__c_thkind__last ((cma_t_integer)cma__c_thkind_null)
#define cma__c_thkind__dim (cma__c_thkind__last + 1)
typedef enum CMA__T_SYSCALL_STATE {
cma__c_syscall_ok = 1, /* syscall was not interrupted */
cma__c_syscall_intintrpt = 1, /* syscall was interrupted by VTALRM */
cma__c_syscall_extintrpt = 2 /* syscall was interrupted by
external signal */
} cma__t_syscall_state;
typedef struct CMA__T_INT_TCB {
/*
* Fixed part of TCB.
* Modifications to the following three fields must be coordinated.
* The object header must always be first, and the prolog must always
* remain at the same offset (32) for all time. Thus the object header
* must never grow beyond a maximum of 32 bytes.
*/
cma__t_object header; /* Common object header */
cma__t_tcb_pad pad1; /* Pad required to align prolog */
cma_t_tcb_prolog prolog; /* Standard prolog for tasks,
threads */
/*
* Floating part of TCB (fields here on are free to be moved and resized).
*/
cma__t_queue threads; /* List of all known threads */
cma__t_int_attr *attributes; /* Backpointer to attr obj */
cma__t_state state; /* Current state of thread */
cma__t_thkind kind; /* Which kind of thread */
struct CMA__T_INT_MUTEX
*mutex; /* Mutex to control TCB access */
struct CMA__T_INT_CV
*term_cv; /* CV for join */
struct CMA__T_INT_MUTEX
*tswait_mutex; /* Mutex for
thread-synchronous waits */
struct CMA__T_INT_CV
*tswait_cv; /* CV for thread-synchronous waits */
cma_t_start_routine start_code; /* Address of start routine */
cma_t_address start_arg; /* Argument to pass to start_code */
cma__t_queue stack; /* Queue header for stack descr. */
cma_t_natural context_count; /* Size of context array */
cma__t_context_list contexts; /* Context value array pointer */
cma_t_exit_status exit_status; /* Exit status of thread */
cma_t_address return_value; /* Thread's return value */
cma__t_async_ctx async_ctx; /* Asynchronous context switch info */
cma__t_static_ctx static_ctx; /* Static context switch information */
cma_t_integer event_status; /* Status of semaphore operation */
cma__t_tcb_time timer; /* Time info for dispatcher */
cma__t_tcb_sched sched; /* Scheduler info */
cma__t_tcb_debug debug; /* Debugger info */
#if _CMA_OS_ == _CMA__UNIX
# if !_CMA_THREAD_SYNC_IO_
cma__t_tcb_select select; /* Select info for timed selects */
# endif
struct sigaction sigaction_data[NSIG];
#endif
cma_t_natural syscall_state; /* set if one of the cma
wrapped syscalls was
interrupted. */
cma_t_boolean detached; /* Set if already detached */
cma_t_boolean terminated; /* Set if terminated */
cma_t_integer joiners; /* Count of joiners, for
zombie frees */
cma__t_int_alert alert; /* Current alert state info */
struct CMA__T_INT_CV
*wait_cv; /* CV thread is currently waiting on */
struct CMA__T_INT_MUTEX
*wait_mutex; /* Mutex thread is waiting on */
struct EXC_CONTEXT_T
*exc_stack; /* Top of exception stack */
#if _CMA_PLATFORM_ == _CMA__IBMR2_UNIX
char ctx_stack[cma__c_ibmr2_ctx_stack_size];
#endif
cma_t_integer thd_errno; /* Per-thread errno value */
#if _CMA_OS_ == _CMA__VMS
cma_t_integer thd_vmserrno; /* Per-thread VMS errno value */
#endif
} cma__t_int_tcb;
#endif

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gdb/osf-share/cma_util.h
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@ -1,125 +0,0 @@
/*
* (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
* (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
* (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
* (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
* To anyone who acknowledges that this file is provided "AS IS" without
* any express or implied warranty: permission to use, copy, modify, and
* distribute this file for any purpose is hereby granted without fee,
* provided that the above copyright notices and this notice appears in
* all source code copies, and that none of the names listed above be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. None of these organizations
* makes any representations about the suitability of this software for
* any purpose.
*/
/*
* Header file for CMA internal UTIL operations
*/
#ifndef CMA_UTIL
#define CMA_UTIL
/*
* INCLUDE FILES
*/
#include <cma.h>
#include <cma_attr.h>
#include <cma_defs.h>
#if _CMA_OS_ == _CMA__VMS
# include <cma_rms.h>
#endif
#if _CMA_VENDOR_ == _CMA__SUN
# include <sys/time.h>
#else
# include <time.h>
#endif
#if _CMA_OS_ == _CMA__UNIX
# include <stdio.h>
#endif
/*
* CONSTANTS AND MACROS
*/
#define cma__c_buffer_size 256 /* Size of output buffer */
/*
* TYPEDEFS
*/
/*
* Alternate eol routine
*/
typedef void (*cma__t_eol_routine) (char *);
#if _CMA_OS_ == _CMA__VMS
typedef struct CMA__T_VMSFILE {
struct RAB rab;
struct FAB fab;
} cma__t_vmsfile, *cma__t_file;
#elif ( _CMA_UNIX_TYPE == _CMA__SVR4 )
typedef int cma__t_file;
#else
typedef FILE *cma__t_file;
#endif
/*
* GLOBAL DATA
*/
/*
* INTERNAL INTERFACES
*/
extern void cma__abort (void);
extern cma_t_integer cma__atol (char *);
extern cma_t_integer cma__atoi (char *);
extern char * cma__getenv (char *,char *,int);
extern int cma__gettimespec (struct timespec *);
extern cma__t_file cma__int_fopen (char *,char *);
#ifndef NDEBUG
extern void cma__init_trace (char *_env);
#endif
extern char * cma__memcpy (char *,char *,cma_t_integer);
#ifndef cma__memset
extern char * cma__memset (char *,cma_t_integer,cma_t_integer);
#endif
extern void cma__putformat (char *,char *,...);
extern void cma__putstring (char *,char *);
extern void cma__putint (char *,cma_t_integer);
extern void cma__putint_5 (char *,cma_t_integer);
extern void cma__putint_10 (char *,cma_t_integer);
extern void cma__puthex (char *,cma_t_integer);
extern void cma__puthex_8 (char *,cma_t_integer);
extern void cma__puteol (char *);
extern void cma__set_eol_routine (cma__t_eol_routine,cma__t_eol_routine *);
extern cma_t_integer cma__strlen (char *);
extern int cma__strncmp (char *,char *,cma_t_integer);
extern char *cma__gets (char *,char *);
#endif