diff options
Diffstat (limited to 'nptl/pthread_mutex_lock.c')
| -rw-r--r-- | nptl/pthread_mutex_lock.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/nptl/pthread_mutex_lock.c b/nptl/pthread_mutex_lock.c index c747355..2b30bad 100644 --- a/nptl/pthread_mutex_lock.c +++ b/nptl/pthread_mutex_lock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002-2007, 2008, 2009 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. @@ -23,6 +23,7 @@ #include <not-cancel.h> #include "pthreadP.h" #include <lowlevellock.h> +#include <stap-probe.h> #ifndef LLL_MUTEX_LOCK @@ -47,6 +48,9 @@ __pthread_mutex_lock (mutex) assert (sizeof (mutex->__size) >= sizeof (mutex->__data)); unsigned int type = PTHREAD_MUTEX_TYPE (mutex); + + LIBC_PROBE (mutex_entry, 1, mutex); + if (__builtin_expect (type & ~PTHREAD_MUTEX_KIND_MASK_NP, 0)) return __pthread_mutex_lock_full (mutex); @@ -126,6 +130,8 @@ __pthread_mutex_lock (mutex) ++mutex->__data.__nusers; #endif + LIBC_PROBE (mutex_acquired, 1, mutex); + return 0; } @@ -466,6 +472,8 @@ __pthread_mutex_lock_full (pthread_mutex_t *mutex) ++mutex->__data.__nusers; #endif + LIBC_PROBE (mutex_acquired, 1, mutex); + return 0; } #ifndef __pthread_mutex_lock |