a049d33595a6d367416e627461221f1c8ad8c738
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
21 #include <lttng/ust-dlfcn.h>
25 #define TRACEPOINT_DEFINE
26 #define TRACEPOINT_CREATE_PROBES
27 #define TP_IP_PARAM ip
28 #include "ust_pthread.h"
30 static __thread
int thread_in_trace
;
32 int pthread_mutex_lock(pthread_mutex_t
*mutex
)
34 static int (*mutex_lock
)(pthread_mutex_t
*);
38 mutex_lock
= dlsym(RTLD_NEXT
, "pthread_mutex_lock");
40 if (thread_in_trace
) {
43 fprintf(stderr
, "unable to initialize pthread wrapper library.\n");
47 if (thread_in_trace
) {
48 return mutex_lock(mutex
);
52 tracepoint(lttng_ust_pthread
, pthread_mutex_lock_req
, mutex
,
53 LTTNG_UST_CALLER_IP());
54 retval
= mutex_lock(mutex
);
55 tracepoint(lttng_ust_pthread
, pthread_mutex_lock_acq
, mutex
,
56 retval
, LTTNG_UST_CALLER_IP());
61 int pthread_mutex_trylock(pthread_mutex_t
*mutex
)
63 static int (*mutex_trylock
)(pthread_mutex_t
*);
67 mutex_trylock
= dlsym(RTLD_NEXT
, "pthread_mutex_trylock");
69 if (thread_in_trace
) {
72 fprintf(stderr
, "unable to initialize pthread wrapper library.\n");
76 if (thread_in_trace
) {
77 return mutex_trylock(mutex
);
81 retval
= mutex_trylock(mutex
);
82 tracepoint(lttng_ust_pthread
, pthread_mutex_trylock
, mutex
,
83 retval
, LTTNG_UST_CALLER_IP());
88 int pthread_mutex_unlock(pthread_mutex_t
*mutex
)
90 static int (*mutex_unlock
)(pthread_mutex_t
*);
94 mutex_unlock
= dlsym(RTLD_NEXT
, "pthread_mutex_unlock");
96 if (thread_in_trace
) {
99 fprintf(stderr
, "unable to initialize pthread wrapper library.\n");
103 if (thread_in_trace
) {
104 return mutex_unlock(mutex
);
108 retval
= mutex_unlock(mutex
);
109 tracepoint(lttng_ust_pthread
, pthread_mutex_unlock
, mutex
,
110 retval
, LTTNG_UST_CALLER_IP());
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