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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/pthread_kill.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/pthread_kill.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_kill.c b/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
index 75089365c3..9115d6f40b 100644
--- 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, 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -33,15 +33,7 @@ __pthread_kill (threadid, signo)
   struct pthread *pd = (struct pthread *) threadid;
 
   /* Make sure the descriptor is valid.  */
-  if (DEBUGGING_P && INVALID_TD_P (pd))
-    /* Not a valid thread handle.  */
-    return ESRCH;
-
-  /* Force load of pd->tid into local variable or register.  Otherwise
-     if a thread exits between ESRCH test and tgkill, we might return
-     EINVAL, because pd->tid would be cleared by the kernel.  */
-  pid_t tid = atomic_forced_read (pd->tid);
-  if (__builtin_expect (tid <= 0, 0))
+  if (INVALID_TD_P (pd))
     /* Not a valid thread handle.  */
     return ESRCH;
 
@@ -61,15 +53,15 @@ __pthread_kill (threadid, signo)
   int val;
 #if __ASSUME_TGKILL
   val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
-			  tid, signo);
+			  pd->tid, signo);
 #else
 # ifdef __NR_tgkill
   val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
-			  tid, signo);
+			  pd->tid, signo);
   if (INTERNAL_SYSCALL_ERROR_P (val, err)
       && INTERNAL_SYSCALL_ERRNO (val, err) == ENOSYS)
 # endif
-    val = INTERNAL_SYSCALL (tkill, err, 2, tid, signo);
+    val = INTERNAL_SYSCALL (tkill, err, 2, pd->tid, signo);
 #endif
 
   return (INTERNAL_SYSCALL_ERROR_P (val, err)