From 5acf7263d52992ce4144e0a3b3644985b9e792b4 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 25 May 2012 13:35:08 -0700 Subject: Add systemtap static probe points in generic and x86_64 pthread code. --- nptl/pthread_mutex_unlock.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'nptl/pthread_mutex_unlock.c') diff --git a/nptl/pthread_mutex_unlock.c b/nptl/pthread_mutex_unlock.c index 0f35f6203f..aa8ecbd583 100644 --- a/nptl/pthread_mutex_unlock.c +++ b/nptl/pthread_mutex_unlock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005-2008, 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 , 2002. @@ -21,6 +21,7 @@ #include #include "pthreadP.h" #include +#include static int internal_function @@ -49,6 +50,9 @@ __pthread_mutex_unlock_usercnt (mutex, decr) /* Unlock. */ lll_unlock (mutex->__data.__lock, PTHREAD_MUTEX_PSHARED (mutex)); + + LIBC_PROBE (mutex_release, 1, mutex); + return 0; } else if (__builtin_expect (type == PTHREAD_MUTEX_RECURSIVE_NP, 1)) @@ -271,6 +275,9 @@ __pthread_mutex_unlock_full (pthread_mutex_t *mutex, int decr) PTHREAD_MUTEX_PSHARED (mutex)); int oldprio = newval >> PTHREAD_MUTEX_PRIO_CEILING_SHIFT; + + LIBC_PROBE (mutex_release, 1, mutex); + return __pthread_tpp_change_priority (oldprio, -1); default: @@ -278,6 +285,7 @@ __pthread_mutex_unlock_full (pthread_mutex_t *mutex, int decr) return EINVAL; } + LIBC_PROBE (mutex_release, 1, mutex); return 0; } -- cgit v1.2.1