about summary refs log tree commit diff
path: root/nptl/pthread_rwlock_unlock.c
diff options
context:
space:
mode:
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_rwlock_unlock.c
parent8422c9a560e6e3c854739c8a13ecb1c6714f930f (diff)
downloadglibc-5acf7263d52992ce4144e0a3b3644985b9e792b4.tar.gz
glibc-5acf7263d52992ce4144e0a3b3644985b9e792b4.tar.xz
glibc-5acf7263d52992ce4144e0a3b3644985b9e792b4.zip
Add systemtap static probe points in generic and x86_64 pthread code.
Diffstat (limited to 'nptl/pthread_rwlock_unlock.c')
-rw-r--r--nptl/pthread_rwlock_unlock.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/nptl/pthread_rwlock_unlock.c b/nptl/pthread_rwlock_unlock.c
index 15418c82f5..a727d89b9c 100644
--- a/nptl/pthread_rwlock_unlock.c
+++ b/nptl/pthread_rwlock_unlock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
 
@@ -21,11 +21,14 @@
 #include <lowlevellock.h>
 #include <pthread.h>
 #include <pthreadP.h>
+#include <stap-probe.h>
 
 /* Unlock RWLOCK.  */
 int
 __pthread_rwlock_unlock (pthread_rwlock_t *rwlock)
 {
+  LIBC_PROBE (rwlock_unlock, 1, rwlock);
+
   lll_lock (rwlock->__data.__lock, rwlock->__data.__shared);
   if (rwlock->__data.__writer)
     rwlock->__data.__writer = 0;