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authorUlrich Drepper <drepper@redhat.com>2003-06-17 20:46:06 +0000
committerUlrich Drepper <drepper@redhat.com>2003-06-17 20:46:06 +0000
commitaa3cee213a291e2fd7298579059706622dd16793 (patch)
tree03e41fae515f7332a202683818f4d1d98053381a /sysdeps/unix/sysv/linux/sigtimedwait.c
parent047aec8f19cdb702f2a0645643f38a12033c353d (diff)
Update.
* 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.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sigtimedwait.c')
-rw-r--r--sysdeps/unix/sysv/linux/sigtimedwait.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sigtimedwait.c b/sysdeps/unix/sysv/linux/sigtimedwait.c
index a22a1d2ea8..a016b71ec7 100644
--- a/sysdeps/unix/sysv/linux/sigtimedwait.c
+++ b/sysdeps/unix/sysv/linux/sigtimedwait.c
@@ -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),