* sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h (PSEUDO): Also
	defined symbol for entry point to avoid cancellation.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h (PSEUDO):
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h (PSEUDO):
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h (PSEUDO):
	Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h (PSEUDO):
	Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h (PSEUDO):
	Likewise.
	* sysdeps/unix/sysv/linux/i386/not-cancel.h (__open_nocancel,
	__close_nocancel, __read_nocancel, __write_nocancel,
	__waitpid_nocancel): Add attribute_hidden.  If not in libc.so,
	libpthread.so or librt.so, define to corresponding function
	without _nocancel suffix.
	* sysdeps/unix/sysv/linux/s390/not-cancel.h: New file.
	* sysdeps/unix/sysv/linux/powerpc/not-cancel.h: New file.
	* sysdeps/unix/sysv/linux/sparc/not-cancel.h: New file.
This commit is contained in:
Ulrich Drepper 2003-09-03 02:53:32 +00:00
parent 6df4dd6808
commit 5777d565ad
12 changed files with 65 additions and 6 deletions

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@ -1,5 +1,26 @@
2003-09-02 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h (PSEUDO): Also
defined symbol for entry point to avoid cancellation.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h (PSEUDO):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h (PSEUDO):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h (PSEUDO):
Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h (PSEUDO):
Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h (PSEUDO):
Likewise.
* sysdeps/unix/sysv/linux/i386/not-cancel.h (__open_nocancel,
__close_nocancel, __read_nocancel, __write_nocancel,
__waitpid_nocancel): Add attribute_hidden. If not in libc.so,
libpthread.so or librt.so, define to corresponding function
without _nocancel suffix.
* sysdeps/unix/sysv/linux/s390/not-cancel.h: New file.
* sysdeps/unix/sysv/linux/powerpc/not-cancel.h: New file.
* sysdeps/unix/sysv/linux/sparc/not-cancel.h: New file.
* sysdeps/unix/sysv/linux/x86_64/not-cancel.h: Fix a typo.
2003-09-02 Ulrich Drepper <drepper@redhat.com>

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@ -1,4 +1,4 @@
/* Uncancelable versions of cancelable interfaces. Linux version.
/* Uncancelable versions of cancelable interfaces. Linux/NPTL version.
Copyright (C) 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
@ -20,15 +20,28 @@
#include <sysdep.h>
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
extern int __open_nocancel (const char *, int, ...) attribute_hidden;
extern int __close_nocancel (int) attribute_hidden;
extern int __read_nocancel (int, void *, size_t) attribute_hidden;
extern int __write_nocancel (int, const void *, size_t) attribute_hidden;
extern pid_t __waitpid_nocancel (pid_t, int *, int) attribute_hidden;
#else
#define __open_nocancel(name, ...) __open (name, __VA_ARGS__)
#define __close_nocancel(fd) __close (fd)
#define __read_nocancel(fd, buf, len) __read (fd, buf, len)
#define __write_nocancel(fd, buf, len) __write (fd, buf, len)
#define __waitpid_nocancel(pid, stat_loc, options) \
__waitpid (pid, stat_loc, options)
#endif
/* Uncancelable open. */
extern int __open_nocancel (const char *, int, ...);
#define open_not_cancel(name, flags, mode) \
__open_nocancel (name, flags, mode)
#define open_not_cancel_2(name, flags) \
__open_nocancel (name, flags)
/* Uncancelable close. */
extern int __close_nocancel (int);
#define close_not_cancel(fd) \
__close_nocancel (fd)
#define close_not_cancel_no_status(fd) \
@ -36,12 +49,10 @@ extern int __close_nocancel (int);
INTERNAL_SYSCALL (close, err, 1, (fd)); })
/* Uncancelable read. */
extern int __read_nocancel (int, void *, size_t);
#define read_not_cancel(fd, buf, n) \
__read_nocancel (fd, buf, n)
/* Uncancelable write. */
extern int __write_nocancel (int, const void *, size_t);
#define write_not_cancel(fd, buf, n) \
__write_nocancel (fd, buf, n)
@ -52,7 +63,6 @@ extern int __write_nocancel (int, const void *, size_t);
/* Uncancelable waitpid. */
#ifdef __NR_waitpid
extern pid_t __waitpid_nocancel (pid_t, int *, int);
# define waitpid_not_cancel(pid, stat_loc, options) \
__waitpid_nocancel (pid, stat_loc, options)
#else

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@ -0,0 +1 @@
#include "../i386/not-cancel.h"

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@ -33,8 +33,12 @@
cfi_startproc; \
SINGLE_THREAD_P; \
bne- .Lpseudo_cancel; \
.type __##syscall_name##_nocancel,@function; \
.globl __##syscall_name##_nocancel; \
__##syscall_name##_nocancel: \
DO_CALL (SYS_ify (syscall_name)); \
PSEUDO_RET; \
.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
.Lpseudo_cancel: \
stwu 1,-48(1); \
cfi_adjust_cfa_offset (48); \

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@ -33,8 +33,12 @@
cfi_startproc; \
SINGLE_THREAD_P; \
bne- .Lpseudo_cancel; \
.type .__##syscall_name##_nocancel,@function; \
.globl .__##syscall_name##_nocancel; \
.__##syscall_name##_nocancel: \
DO_CALL (SYS_ify (syscall_name)); \
PSEUDO_RET; \
.size .__##syscall_name##_nocancel,.-.__##syscall_name##_nocancel; \
.Lpseudo_cancel: \
stdu 1,-128(1); \
cfi_adjust_cfa_offset (128); \

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@ -0,0 +1 @@
#include "../i386/not-cancel.h"

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@ -59,11 +59,15 @@ L(pseudo_cancel): \
ENTRY(name) \
SINGLE_THREAD_P(%r1) \
jne L(pseudo_cancel); \
.type __##syscall_name##_nocancel,@function; \
.globl __##syscall_name##_nocancel; \
__##syscall_name##_nocancel: \
DO_CALL(syscall_name, args); \
L(pseudo_check): \
lhi %r4,-4095; \
clr %r2,%r4; \
jnl SYSCALL_ERROR_LABEL; \
.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
L(pseudo_end):
# ifdef IS_IN_libpthread

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@ -53,11 +53,15 @@ L(pseudo_cancel): \
ENTRY(name) \
SINGLE_THREAD_P \
jne L(pseudo_cancel); \
.type __##syscall_name##_nocancel,@function; \
.globl __##syscall_name##_nocancel; \
__##syscall_name##_nocancel: \
DO_CALL(syscall_name, args); \
L(pseudo_check): \
lghi %r4,-4095; \
clgr %r2,%r4; \
jgnl SYSCALL_ERROR_LABEL; \
.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
L(pseudo_end):
# ifdef IS_IN_libpthread

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@ -0,0 +1 @@
#include "../i386/not-cancel.h"

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@ -32,10 +32,14 @@ ENTRY(name) \
ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1; \
cmp %g1, 0; \
bne 1f; \
.type __##syscall_name##_nocancel,@function; \
.globl __##syscall_name##_nocancel; \
__##syscall_name##_nocancel: \
mov SYS_ify(syscall_name), %g1; \
ta 0x10; \
bcs __syscall_error_handler; \
nop; \
.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
.subsection 2; \
cfi_startproc; \
1: save %sp, -96, %sp; \

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@ -31,10 +31,14 @@
ENTRY(name) \
ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1; \
brnz,pn %g1, 1f; \
.type __##syscall_name##_nocancel,@function; \
.globl __##syscall_name##_nocancel; \
__##syscall_name##_nocancel: \
mov SYS_ify(syscall_name), %g1; \
ta 0x6d; \
bcs,pn %xcc, __syscall_error_handler; \
nop; \
.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
.subsection 2; \
1: save %sp, -192, %sp; \
CENABLE; \

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@ -85,6 +85,7 @@ CFLAGS-tmpfile.c = -fexceptions
CFLAGS-tmpfile64.c = -fexceptions
CFLAGS-tempname.c = -fexceptions
CFLAGS-psignal.c = -fexceptions
CFLAGS-vprintf.c = -fexceptions
tst-sscanf-ENV = LOCPATH=$(common-objpfx)localedata
tst-swprintf-ENV = LOCPATH=$(common-objpfx)localedata