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* sysdeps/unix/sysv/linux/sigtimedwait.c: If SIGCANCEL is defined
	and part of the incoming set, create a temporary set without this
	signal.
	* sysdeps/unix/sysv/linux/sigwait.c: Likewise.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.

	returning because seconds==0.  Add __builtin_expect.
This commit is contained in:
Ulrich Drepper
2003-06-17 20:46:06 +00:00
parent 047aec8f19
commit aa3cee213a
5 changed files with 45 additions and 3 deletions
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12
sysdeps/unix/sysv/linux/sigtimedwait.c
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@ -32,6 +32,18 @@ static int
do_sigtimedwait (const sigset_t *set, siginfo_t *info,
const struct timespec *timeout)
{
#ifdef SIGCANCEL
sigset_t tmpset;
if (set != NULL && __sigismember (set, SIGCANCEL))
{
/* Create a temporary mask without the bit for SIGCANCEL set. */
// We are not copying more than we have to.
memcpy (&tmpset, set, _NSIG / 8);
__sigdelset (&tmpset, SIGCANCEL);
set = &tmpset;
}
#endif
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
int result = INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),