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* sysdeps/unix/sysv/linux/sigwait.c (__sigwait): Use
	INTERNAL_SYSCALL is possible.

	* sysdeps/unix/sysv/linux/i386/sysdep.h
	(INTERNAL_SYSCALL_ERROR_P): New define.
	(INTERNAL_SYSCALL_ERRNO): Likewise.
This commit is contained in:
Ulrich Drepper 2002-10-12 00:49:44 +00:00
parent eb9f749186
commit f44476711d
3 changed files with 29 additions and 5 deletions
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7
ChangeLog
View File

@ -1,5 +1,12 @@
2002-10-11 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/sigwait.c (__sigwait): Use
INTERNAL_SYSCALL is possible.
* sysdeps/unix/sysv/linux/i386/sysdep.h
(INTERNAL_SYSCALL_ERROR_P): New define.
(INTERNAL_SYSCALL_ERRNO): Likewise.
* sysdeps/unix/sysv/linux/i386/profil-counter.h (profil_counter):
Add hack to prevent the compiler from clobbering the signal
context.

10
sysdeps/unix/sysv/linux/i386/sysdep.h
View File

@ -291,9 +291,9 @@ asm (".L__X'%ebx = 1\n\t"
#define INLINE_SYSCALL(name, nr, args...) \
({ \
unsigned int resultvar = INTERNAL_SYSCALL(name, nr, args); \
if (resultvar >= 0xfffff001) \
if (INTERNAL_SYSCALL_ERROR_P (resultvar)) \
{ \
__set_errno (-resultvar); \
__set_errno (INTERNAL_SYSCALL_ERRNO (resultvar)); \
resultvar = 0xffffffff; \
} \
(int) resultvar; })
@ -315,6 +315,12 @@ asm (".L__X'%ebx = 1\n\t"
: "i" (__NR_##name) ASMFMT_##nr(args) : "memory", "cc"); \
(int) resultvar; })
#undef INTERNAL_SYSCALL_ERROR_P
#define INTERNAL_SYSCALL_ERROR_P(val) ((val) >= 0xfffff001)
#undef INTERNAL_SYSCALL_ERRNO
#define INTERNAL_SYSCALL_ERRNO(val) (-(val))
#define LOADARGS_0
#define LOADARGS_1 \
"bpushl .L__X'%k2, %k2\n\t" \

17
sysdeps/unix/sysv/linux/sigwait.c
View File

@ -40,9 +40,19 @@ __sigwait (set, sig)
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
/* XXX INLINE_SYSCALL_NOERROR candiate. */
ret = INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
NULL, NULL, _NSIG / 8);
#ifdef INTERNAL_SYSCALL
ret = INTERNAL_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
NULL, NULL, _NSIG / 8);
if (! INTERNAL_SYSCALL_ERROR_P (ret))
{
*sig = ret;
ret = 0;
}
else
ret = INTERNAL_SYSCALL_ERRNO (ret);
#else
ret = INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
NULL, NULL, _NSIG / 8);
if (ret != -1)
{
*sig = ret;
@ -50,6 +60,7 @@ __sigwait (set, sig)
}
else
ret = errno;
#endif
return ret;
}