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authorUlrich Drepper <drepper@redhat.com>2003-02-21 10:00:33 +0000
committerUlrich Drepper <drepper@redhat.com>2003-02-21 10:00:33 +0000
commit8c2e9a29b1fbda33e57b2d33c7bfcb0de666b1fb (patch)
treeaa445512e4f44e9d00ee5624417f7ee5417c4b75 /nptl/pthread_cancel.c
parent8b1a8bb409508906737ec41ed79bb88398cb5dba (diff)
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Update.
	* pthreadP.h: Define INVALID_TD_P and INVALID_NOT_TERMINATED_TD_P.
	* pthread_cancel.c: Use INVALID_TD_P.
	* pthread_detach.c: Likewise.
	* pthread_getschedparam.c: Likewise.
	* pthread_setschedparam.c: Likewise.
	* sysdeps/pthread/pthread_getcpuclockid.c: Likewise.
	* sysdeps/unix/sysv/linux/pthread_kill.c: Likewise.
	* pthread_join.c: Use INVALID_NOT_TERMINATED_TD_P.
	* pthread_timedjoin.c: Likewise.

	* tst-basic7.c: Include <signal.h>.
Diffstat (limited to 'nptl/pthread_cancel.c')
-rw-r--r--nptl/pthread_cancel.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/nptl/pthread_cancel.c b/nptl/pthread_cancel.c
index 153cb198d8..805e74f2b1 100644
--- a/nptl/pthread_cancel.c
+++ b/nptl/pthread_cancel.c
@@ -17,6 +17,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <errno.h>
 #include <signal.h>
 #include "pthreadP.h"
 #include "atomic.h"
@@ -27,8 +28,13 @@ pthread_cancel (th)
      pthread_t th;
 {
   volatile struct pthread *pd = (volatile struct pthread *) th;
-  int result = 0;
 
+  /* Make sure the descriptor is valid.  */
+  if (INVALID_TD_P (pd))
+    /* Not a valid thread handle.  */
+    return ESRCH;
+
+  int result = 0;
   while (1)
     {
       int oldval = pd->cancelhandling;