Fawkes API  Fawkes Development Version
mutex_data.h
1 
2 /***************************************************************************
3  * mutex_data.h - mutex data
4  *
5  * Generated: Thu Sep 14 17:44:54 2006
6  * Copyright 2006 Tim Niemueller [www.niemueller.de]
7  *
8  ****************************************************************************/
9 
10 /* This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version. A runtime exception applies to
14  * this software (see LICENSE.GPL_WRE file mentioned below for details).
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU Library General Public License for more details.
20  *
21  * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
22  */
23 
24 #ifndef _CORE_THREADING_MUTEX_DATA_H_
25 #define _CORE_THREADING_MUTEX_DATA_H_
26 
27 #include <pthread.h>
28 
29 #ifdef DEBUG_THREADING
30 # include <core/exception.h>
31 # include <core/threading/thread.h>
32 
33 # include <cstdio>
34 # include <cstdlib>
35 # include <cstring>
36 #endif
37 
38 namespace fawkes {
39 
40 /// @cond INTERNALS
41 /** Internal class of Mutexes, do not use directly.
42  */
43 class MutexData
44 {
45 public:
46  pthread_mutex_t mutex;
47 
48 #ifdef DEBUG_THREADING
49  MutexData()
50  {
51  lock_holder = strdup("Not locked");
52  }
53 
54  ~MutexData()
55  {
56  if (lock_holder) {
57  free(lock_holder);
58  }
59  }
60 
61  char *lock_holder;
62 
63  void
64  set_lock_holder()
65  {
66  if (lock_holder) {
67  free(lock_holder);
68  }
69  try {
70  Thread *ct = Thread::current_thread();
71  if (ct) {
72  lock_holder = strdup(ct->name());
73  } else {
74  lock_holder = strdup("Unknown");
75  }
76  } catch (Exception &e) {
77  asprintf(&lock_holder, "Unknown: failed to get thread (%s)", e.what());
78  }
79  }
80 
81  void
82  unset_lock_holder()
83  {
84  if (lock_holder) {
85  free(lock_holder);
86  }
87  lock_holder = strdup("Not locked");
88  }
89 
90 #endif
91 };
92 /// @endcond
93 
94 } // end namespace fawkes
95 
96 #endif
Fawkes library namespace.
static Thread * current_thread()
Get the Thread instance of the currently running thread.
Definition: thread.cpp:1366