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 * Do _not_ define _LGPL_SOURCE because we don't want to create a
22 * circular dependency loop between this malloc wrapper, liburcu and
25 #include <lttng/ust-dlfcn.h>
26 #include <urcu/tls-compat.h>
30 #define TRACEPOINT_DEFINE
31 #define TRACEPOINT_CREATE_PROBES
32 #define TP_IP_PARAM ip
33 #include "ust_pthread.h"
35 static DEFINE_URCU_TLS_IE(int, thread_in_trace
);
37 int pthread_mutex_lock(pthread_mutex_t
*mutex
)
39 static int (*mutex_lock
)(pthread_mutex_t
*);
43 mutex_lock
= dlsym(RTLD_NEXT
, "pthread_mutex_lock");
45 if (thread_in_trace
) {
48 fprintf(stderr
, "unable to initialize pthread wrapper library.\n");
52 if (thread_in_trace
) {
53 return mutex_lock(mutex
);
57 tracepoint(lttng_ust_pthread
, pthread_mutex_lock_req
, mutex
,
58 LTTNG_UST_CALLER_IP());
59 retval
= mutex_lock(mutex
);
60 tracepoint(lttng_ust_pthread
, pthread_mutex_lock_acq
, mutex
,
61 retval
, LTTNG_UST_CALLER_IP());
66 int pthread_mutex_trylock(pthread_mutex_t
*mutex
)
68 static int (*mutex_trylock
)(pthread_mutex_t
*);
72 mutex_trylock
= dlsym(RTLD_NEXT
, "pthread_mutex_trylock");
74 if (thread_in_trace
) {
77 fprintf(stderr
, "unable to initialize pthread wrapper library.\n");
81 if (thread_in_trace
) {
82 return mutex_trylock(mutex
);
86 retval
= mutex_trylock(mutex
);
87 tracepoint(lttng_ust_pthread
, pthread_mutex_trylock
, mutex
,
88 retval
, LTTNG_UST_CALLER_IP());
93 int pthread_mutex_unlock(pthread_mutex_t
*mutex
)
95 static int (*mutex_unlock
)(pthread_mutex_t
*);
99 mutex_unlock
= dlsym(RTLD_NEXT
, "pthread_mutex_unlock");
101 if (thread_in_trace
) {
104 fprintf(stderr
, "unable to initialize pthread wrapper library.\n");
108 if (thread_in_trace
) {
109 return mutex_unlock(mutex
);
113 retval
= mutex_unlock(mutex
);
114 tracepoint(lttng_ust_pthread
, pthread_mutex_unlock
, mutex
,
115 retval
, LTTNG_UST_CALLER_IP());
This page took 0.032455 seconds and 5 git commands to generate.