Update.

2003-04-21  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/sigprocmask.c: Prevent changing mask for
	SIGCANCEL.
	* sysdeps/unix/sysv/linux/alpha/bits/siginfo.h: Define SI_TKILL.
	* sysdeps/unix/sysv/linux/bits/siginfo.h: Define SI_TKILL.
	* sysdeps/unix/sysv/linux/ia64/bits/siginfo.h: Define SI_TKILL.
	* sysdeps/unix/sysv/linux/s390/bits/siginfo.h: Define SI_TKILL.
	* sysdeps/unix/sysv/linux/sparc/bits/siginfo.h: Define SI_TKILL.

	first syscall parameter to const char*.

5 files changed, 45 insertions, 38 deletions

diff --git a/nptl/sysdeps/pthread/pthread_sigmask.c b/nptl/sysdeps/pthread/pthread_sigmask.c
index df6ac64ddb..efe186ac2c 100644
--- a/nptl/sysdeps/pthread/pthread_sigmask.c
+++ b/nptl/sysdeps/pthread/pthread_sigmask.c
@@ -32,36 +32,13 @@ pthread_sigmask (how, newmask, oldmask)
   sigset_t local_newmask;
 
   /* The only thing we have to make sure here is that SIGCANCEL is not
-     blocked and that SIGTIMER is not unblocked.  */
-  if (newmask != NULL)
+     blocked.  */
+  if (newmask != NULL
+      && __builtin_expect (__sigismember (newmask, SIGCANCEL), 0))
     {
-      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;
-	    }
-	}
+      local_newmask = *newmask;
+      __sigdelset (&local_newmask, SIGCANCEL);
+      newmask = &local_newmask;
     }
 
 #ifdef INTERNAL_SYSCALL
diff --git a/nptl/sysdeps/pthread/sigaction.c b/nptl/sysdeps/pthread/sigaction.c
index d69abf09ae..392cb65c90 100644
--- a/nptl/sysdeps/pthread/sigaction.c
+++ b/nptl/sysdeps/pthread/sigaction.c
@@ -36,7 +36,7 @@ __sigaction (sig, act, oact)
      const struct sigaction *act;
      struct sigaction *oact;
 {
-  if (sig == SIGCANCEL || sig == SIGTIMER)
+  if (sig == SIGCANCEL)
     {
       __set_errno (EINVAL);
       return -1;
diff --git a/nptl/sysdeps/pthread/sigprocmask.c b/nptl/sysdeps/pthread/sigprocmask.c
new file mode 100644
index 0000000000..855b433962
--- /dev/null
+++ b/nptl/sysdeps/pthread/sigprocmask.c
@@ -0,0 +1,20 @@
+/* Copyright (C) 1997,1998,1999,2000,2001,2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <nptl/pthreadP.h>
+#include <sysdeps/unix/sysv/linux/sigprocmask.c>
diff --git a/nptl/sysdeps/unix/sysv/linux/allocrtsig.c b/nptl/sysdeps/unix/sysv/linux/allocrtsig.c
index 265416999a..51aeb22765 100644
--- a/nptl/sysdeps/unix/sysv/linux/allocrtsig.c
+++ b/nptl/sysdeps/unix/sysv/linux/allocrtsig.c
@@ -20,7 +20,7 @@
 #include <signal.h>
 
 
-static int current_rtmin = __SIGRTMIN + 2;
+static int current_rtmin = __SIGRTMIN + 1;
 static int current_rtmax = __SIGRTMAX;
 
 
diff --git a/nptl/sysdeps/unix/sysv/linux/timer_routines.c b/nptl/sysdeps/unix/sysv/linux/timer_routines.c
index e9ece9f488..b0d6ef91bf 100644
--- a/nptl/sysdeps/unix/sysv/linux/timer_routines.c
+++ b/nptl/sysdeps/unix/sysv/linux/timer_routines.c
@@ -49,6 +49,11 @@ timer_helper_thread (void *arg)
   sigset_t ss;
   sigemptyset (&ss);
   sigaddset (&ss, SIGTIMER);
+  /* SIGTIMER is the same signal as SIGCANCEL and it is therefore
+     unblocked so far.  Block it for this thread, we handle
+     cancellation explicitly.  */
+  INTERNAL_SYSCALL_DECL (err);
+  INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_BLOCK, &ss, NULL, _NSIG / 8);
 
   /* Endless loop of waiting for signals.  The loop is only ended when
      the thread is canceled.  */
@@ -56,14 +61,19 @@ timer_helper_thread (void *arg)
     {
       siginfo_t si;
 
-      if (sigwaitinfo (&ss, &si) > 0 && si.si_code == SI_TIMER)
+      if (sigwaitinfo (&ss, &si) > 0)
 	{
-
-	  struct timer *tk = (struct timer *) si.si_ptr;
-
-	  /* That the signal we are waiting for.  */
-	  pthread_t th;
-	  (void) pthread_create (&th, &tk->attr, timer_sigev_thread, tk);
+	  if (si.si_code == SI_TIMER)
+	    {
+	      struct timer *tk = (struct timer *) si.si_ptr;
+
+	      /* That the signal we are waiting for.  */
+	      pthread_t th;
+	      (void) pthread_create (&th, &tk->attr, timer_sigev_thread, tk);
+	    }
+	  else if (si.si_code == SI_TKILL)
+	    /* The thread is canceled.  */
+	    pthread_exit (NULL);
 	}
     }
 }