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2002-08-25  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/sigaction.c: Avoid warnings by
	declaring __restore and __restore_rt as hidden (if possible).
This commit is contained in:
Ulrich Drepper 2002-08-26 03:50:15 +00:00
parent 06a466e7e1
commit 40e15c4da8
2 changed files with 17 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2002-08-25 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/sigaction.c: Avoid warnings by
declaring __restore and __restore_rt as hidden (if possible).
2002-08-25 Roland McGrath <roland@redhat.com>
* manual/llio.texi (Access Modes): Fix typos in O_READ/O_WRITE defns.

15
sysdeps/unix/sysv/linux/i386/sigaction.c
View File

@ -46,10 +46,19 @@ extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *__unbound
int __libc_missing_rt_sigs;
#endif
#ifdef __NR_rt_sigaction
/* Using the hidden attribute here does not change the code but it
helps to avoid warnings. */
#if defined HAVE_HIDDEN && !defined HAVE_BROKEN_VISIBILITY_ATTRIBUTE
# ifdef __NR_rt_sigaction
extern void restore_rt (void) asm ("__restore_rt") attribute_hidden;
# endif
extern void restore (void) asm ("__restore") attribute_hidden;
#else
# ifdef __NR_rt_sigaction
static void restore_rt (void) asm ("__restore_rt");
#endif
# endif
static void restore (void) asm ("__restore");
#endif
/* If ACT is not NULL, change the action for SIG to *ACT.
@ -126,7 +135,7 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
"int $0x80\n"
"popl %%ebx"
: "=a" (result)
: "0" (SYS_ify (sigaction)), "r" (sig),
: "0" (SYS_ify (sigaction)), "mr" (sig),
"c" (act ? __ptrvalue (&k_newact) : 0),
"d" (oact ? __ptrvalue (&k_oldact) : 0));