(pthread_barrier_wait): Don't save, load, and restore %esi for last thread.

[kopensolaris-gnu/glibc.git] / nptl / sysdeps / unix / sysv / linux / pthread_kill.c

diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_kill.c b/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
index 138b6ba..a35a3f0 100644 (file)
--- a/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
+++ b/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -31,7 +31,21 @@ __pthread_kill (threadid, signo)
 {
   struct pthread *pd = (struct pthread *) threadid;
 
+  /* Make sure the descriptor is valid.  */
+  if (INVALID_TD_P (pd))
+    /* Not a valid thread handle.  */
+    return ESRCH;
+
+  /* Disallow sending the signal we use for cancellation.  */
+  if (signo == SIGCANCEL)
+    return EINVAL;
+
   /* We have a special syscall to do the work.  */
-  return INLINE_SYSCALL (tkill, 2, pd->tid, signo);
+  INTERNAL_SYSCALL_DECL (err);
+
+  int val = INTERNAL_SYSCALL (tkill, err, 2, pd->tid, signo);
+
+  return (INTERNAL_SYSCALL_ERROR_P (val, err)
+         ? INTERNAL_SYSCALL_ERRNO (val, err) : 0);
 }
-strong_alias (pthread_kill)
+strong_alias (__pthread_kill, pthread_kill)