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authorRoland McGrath <roland@hack.frob.com>2012-05-25 13:35:08 -0700
committerRoland McGrath <roland@hack.frob.com>2012-05-25 13:41:03 -0700
commit5acf7263d52992ce4144e0a3b3644985b9e792b4 (patch)
treec128be190c1c3fb5a1987710033c016d5b881b70 /nptl/pthread_cond_destroy.c
parent8422c9a560e6e3c854739c8a13ecb1c6714f930f (diff)
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Add systemtap static probe points in generic and x86_64 pthread code.
Diffstat (limited to 'nptl/pthread_cond_destroy.c')
-rw-r--r--nptl/pthread_cond_destroy.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/nptl/pthread_cond_destroy.c b/nptl/pthread_cond_destroy.c
index 0f03b294b3..5f57b563c0 100644
--- a/nptl/pthread_cond_destroy.c
+++ b/nptl/pthread_cond_destroy.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -19,6 +19,7 @@
#include <errno.h>
#include <shlib-compat.h>
#include "pthreadP.h"
+#include <stap-probe.h>
int
@@ -28,6 +29,8 @@ __pthread_cond_destroy (cond)
int pshared = (cond->__data.__mutex == (void *) ~0l)
? LLL_SHARED : LLL_PRIVATE;
+ LIBC_PROBE (cond_destroy, 1, cond);
+
/* Make sure we are alone. */
lll_lock (cond->__data.__lock, pshared);
@@ -50,13 +53,13 @@ __pthread_cond_destroy (cond)
if (nwaiters >= (1 << COND_NWAITERS_SHIFT))
{
/* Wake everybody on the associated mutex in case there are
- threads that have been requeued to it.
- Without this, pthread_cond_destroy could block potentially
- for a long time or forever, as it would depend on other
- thread's using the mutex.
- When all threads waiting on the mutex are woken up, pthread_cond_wait
- only waits for threads to acquire and release the internal
- condvar lock. */
+ threads that have been requeued to it.
+ Without this, pthread_cond_destroy could block potentially
+ for a long time or forever, as it would depend on other
+ thread's using the mutex.
+ When all threads waiting on the mutex are woken up, pthread_cond_wait
+ only waits for threads to acquire and release the internal
+ condvar lock. */
if (cond->__data.__mutex != NULL
&& cond->__data.__mutex != (void *) ~0l)
{