mirror of
git://sourceware.org/git/glibc.git
synced 2025-02-05 12:40:55 +08:00
(INTERNAL_SYSCALL, INTERNAL_SYSCALL_ERROR_P, INTERNAL_SYSCALL_ERRNO):
Add err argument. (INTERNAL_SYSCALL_DECL): Define.
This commit is contained in:
parent
51c050b0f7
commit
aeeec7fb5e
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1992,93,95-99,2000,02 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1992, 93, 1995-2000, 2002, 2003 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
|
||||
ARM changes by Philip Blundell, <pjb27@cam.ac.uk>, May 1997.
|
||||
@ -146,8 +146,11 @@ __local_syscall_error: \
|
||||
} \
|
||||
(int) _sys_result; })
|
||||
|
||||
#undef INTERNAL_SYSCALL_DECL
|
||||
#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
|
||||
|
||||
#undef INTERNAL_SYSCALL
|
||||
#define INTERNAL_SYSCALL(name, nr, args...) \
|
||||
#define INTERNAL_SYSCALL(name, err, nr, args...) \
|
||||
({ unsigned int _sys_result; \
|
||||
{ \
|
||||
register int _a1 asm ("a1"); \
|
||||
@ -161,10 +164,11 @@ __local_syscall_error: \
|
||||
(int) _sys_result; })
|
||||
|
||||
#undef INTERNAL_SYSCALL_ERROR_P
|
||||
#define INTERNAL_SYSCALL_ERROR_P(val) ((unsigned int) (val) >= 0xfffff001u)
|
||||
#define INTERNAL_SYSCALL_ERROR_P(val, err) \
|
||||
((unsigned int) (val) >= 0xfffff001u)
|
||||
|
||||
#undef INTERNAL_SYSCALL_ERRNO
|
||||
#define INTERNAL_SYSCALL_ERRNO(val) (-(val))
|
||||
#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
|
||||
|
||||
#define LOAD_ARGS_0()
|
||||
#define ASM_ARGS_0
|
||||
|
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1996, 1997, 1998, 2000, 2003 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Written by Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de>,
|
||||
December 1995.
|
||||
@ -180,20 +180,23 @@ SYSCALL_ERROR_LABEL: \
|
||||
call. */
|
||||
#undef INLINE_SYSCALL
|
||||
#define INLINE_SYSCALL(name, nr, args...) \
|
||||
({ unsigned int _sys_result = INTERNAL_SYSCALL (name, nr, args); \
|
||||
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (_sys_result), 0)) \
|
||||
({ unsigned int _sys_result = INTERNAL_SYSCALL (name, , nr, args); \
|
||||
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (_sys_result, ), 0))\
|
||||
{ \
|
||||
__set_errno (INTERNAL_SYSCALL_ERRNO (_sys_result)); \
|
||||
__set_errno (INTERNAL_SYSCALL_ERRNO (_sys_result, )); \
|
||||
_sys_result = (unsigned int) -1; \
|
||||
} \
|
||||
(int) _sys_result; })
|
||||
|
||||
#undef INTERNAL_SYSCALL_DECL
|
||||
#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
|
||||
|
||||
/* Define a macro which expands inline into the wrapper code for a system
|
||||
call. This use is for internal calls that do not need to handle errors
|
||||
normally. It will never touch errno. This returns just what the kernel
|
||||
gave back. */
|
||||
#undef INTERNAL_SYSCALL
|
||||
#define INTERNAL_SYSCALL(name, nr, args...) \
|
||||
#define INTERNAL_SYSCALL(name, err, nr, args...) \
|
||||
({ unsigned int _sys_result; \
|
||||
{ \
|
||||
LOAD_ARGS_##nr (args) \
|
||||
@ -207,10 +210,11 @@ SYSCALL_ERROR_LABEL: \
|
||||
(int) _sys_result; })
|
||||
|
||||
#undef INTERNAL_SYSCALL_ERROR_P
|
||||
#define INTERNAL_SYSCALL_ERROR_P(val) ((unsigned int) (val) >= -4095U)
|
||||
#define INTERNAL_SYSCALL_ERROR_P(val, err) \
|
||||
((unsigned int) (val) >= -4095U)
|
||||
|
||||
#undef INTERNAL_SYSCALL_ERRNO
|
||||
#define INTERNAL_SYSCALL_ERRNO(val) (-(val))
|
||||
#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
|
||||
|
||||
#define LOAD_ARGS_0()
|
||||
#define ASM_ARGS_0
|
||||
|
Loading…
Reference in New Issue
Block a user