Update.

2003-03-25  Ulrich Drepper  <drepper@redhat.com>

	* csu/tst-atomic.c: Adjust tests to what atomic_add_negative and
	atomic_add_zero were supposed to do.
	* include/atomic.h: Adjust atomic_add_negative and atomic_add_zero
	to x86 behavior.

	* sysdeps/generic/bits/typesizes.h (__TIMER_T_TYPE): Define as void*.
	This matches the new timer implementation.
	* sysdeps/unix/sysv/linux/bits/siginfo.h (struct siginfo): Adjust
	timer info for what the kernel provides these days.
	(struct sigevent): Add _tid field.
	Define SIGEV_THREAD_ID.

	* Versions.def (librt): Add GLIBC_2.3.3.

	* abilist/libpthread.abilist: Update for nptl.

1 files changed, 29 insertions, 6 deletions

diff --git a/nptl/sysdeps/pthread/pthread_sigmask.c b/nptl/sysdeps/pthread/pthread_sigmask.c
index 4114e0be2f..df6ac64ddb 100644
--- a/nptl/sysdeps/pthread/pthread_sigmask.c
+++ b/nptl/sysdeps/pthread/pthread_sigmask.c
@@ -32,13 +32,36 @@ pthread_sigmask (how, newmask, oldmask)
   sigset_t local_newmask;
 
   /* The only thing we have to make sure here is that SIGCANCEL is not
-     blocked.  */
-  if (newmask != NULL
-      && __builtin_expect (__sigismember (newmask, SIGCANCEL), 0))
+     blocked and that SIGTIMER is not unblocked.  */
+  if (newmask != NULL)
     {
-      local_newmask = *newmask;
-      sigdelset (&local_newmask, SIGCANCEL);
-      newmask = &local_newmask;
+      if (__builtin_expect (__sigismember (newmask, SIGCANCEL), 0))
+	{
+	  local_newmask = *newmask;
+	  __sigdelset (&local_newmask, SIGCANCEL);
+	  newmask = &local_newmask;
+	}
+
+      if (__builtin_expect (__sigismember (newmask, SIGTIMER), 0))
+	{
+	  if (how == SIG_UNBLOCK)
+	    {
+	      if (newmask != &local_newmask)
+		local_newmask = *newmask;
+	      __sigdelset (&local_newmask, SIGTIMER);
+	      newmask = &local_newmask;
+	    }
+	}
+      else
+	{
+	  if (how == SIG_SETMASK)
+	    {
+	      if (newmask != &local_newmask)
+		local_newmask = *newmask;
+	      __sigaddset (&local_newmask, SIGTIMER);
+	      newmask = &local_newmask;
+	    }
+	}
     }
 
 #ifdef INTERNAL_SYSCALL