From: Roland McGrath Date: Wed, 17 Nov 2004 21:26:59 +0000 (+0000) Subject: 2004-11-17 Roland McGrath X-Git-Tag: upstream/2.30~17180 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0086214c64c761de977e51076522593e3a4e411a;p=external%2Fglibc.git 2004-11-17 Roland McGrath * sysdeps/unix/sysv/linux/timer_routines.c (__start_helper_thread): Make sure SIGCANCEL is blocked as well. --- diff --git a/nptl/sysdeps/unix/sysv/linux/timer_routines.c b/nptl/sysdeps/unix/sysv/linux/timer_routines.c index ae5f1f7..23c800f 100644 --- a/nptl/sysdeps/unix/sysv/linux/timer_routines.c +++ b/nptl/sysdeps/unix/sysv/linux/timer_routines.c @@ -122,10 +122,13 @@ __start_helper_thread (void) (void) pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN); /* Block all signals in the helper thread. To do this thoroughly we - temporarily have to block all signals here. */ + temporarily have to block all signals here. The helper can lose + wakeups if SIGCANCEL is not blocked throughout, but sigfillset omits + it. So, we add it back explicitly here. */ sigset_t ss; sigset_t oss; sigfillset (&ss); + __sigaddset (&ss, SIGCANCEL); INTERNAL_SYSCALL_DECL (err); INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, &oss, _NSIG / 8);