2 * Copyright (C) 2013 Mentor Graphics
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <lttng/ust-dlfcn.h>
24 #define TRACEPOINT_DEFINE
25 #define TRACEPOINT_CREATE_PROBES
26 #define TP_IP_PARAM ip
27 #include "ust_pthread.h"
29 static __thread
int thread_in_trace
;
31 int pthread_mutex_lock(pthread_mutex_t
*mutex
)
33 static int (*mutex_lock
)(pthread_mutex_t
*);
37 mutex_lock
= dlsym(RTLD_NEXT
, "pthread_mutex_lock");
39 if (thread_in_trace
) {
42 fprintf(stderr
, "unable to initialize pthread wrapper library.\n");
46 if (thread_in_trace
) {
47 return mutex_lock(mutex
);
51 tracepoint(lttng_ust_pthread
, pthread_mutex_lock_req
, mutex
,
52 LTTNG_UST_CALLER_IP());
53 retval
= mutex_lock(mutex
);
54 tracepoint(lttng_ust_pthread
, pthread_mutex_lock_acq
, mutex
,
55 retval
, LTTNG_UST_CALLER_IP());
60 int pthread_mutex_trylock(pthread_mutex_t
*mutex
)
62 static int (*mutex_trylock
)(pthread_mutex_t
*);
66 mutex_trylock
= dlsym(RTLD_NEXT
, "pthread_mutex_trylock");
68 if (thread_in_trace
) {
71 fprintf(stderr
, "unable to initialize pthread wrapper library.\n");
75 if (thread_in_trace
) {
76 return mutex_trylock(mutex
);
80 retval
= mutex_trylock(mutex
);
81 tracepoint(lttng_ust_pthread
, pthread_mutex_trylock
, mutex
,
82 retval
, LTTNG_UST_CALLER_IP());
87 int pthread_mutex_unlock(pthread_mutex_t
*mutex
)
89 static int (*mutex_unlock
)(pthread_mutex_t
*);
93 mutex_unlock
= dlsym(RTLD_NEXT
, "pthread_mutex_unlock");
95 if (thread_in_trace
) {
98 fprintf(stderr
, "unable to initialize pthread wrapper library.\n");
102 if (thread_in_trace
) {
103 return mutex_unlock(mutex
);
107 retval
= mutex_unlock(mutex
);
108 tracepoint(lttng_ust_pthread
, pthread_mutex_unlock
, mutex
,
109 retval
, LTTNG_UST_CALLER_IP());
This page took 0.033406 seconds and 5 git commands to generate.