mutex_data.h

00001 
00002 /***************************************************************************
00003  *  mutex_data.h - mutex data
00004  *
00005  *  Generated: Thu Sep 14 17:44:54 2006
00006  *  Copyright  2006  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #ifndef __CORE_THREADING_MUTEX_DATA_H_
00025 #define __CORE_THREADING_MUTEX_DATA_H_
00026 
00027 #include <pthread.h>
00028 
00029 #ifdef DEBUG_THREADING
00030 #include <core/threading/thread.h>
00031 #include <core/exception.h>
00032 #include <cstring>
00033 #include <cstdlib>
00034 #include <cstdio>
00035 #endif
00036 
00037 namespace fawkes {
00038 
00039 
00040 /// @cond INTERNALS
00041 /** Internal class of Mutexes, do not use directly.
00042  */
00043 class MutexData {
00044  public:
00045   pthread_mutex_t mutex;
00046 
00047 #ifdef DEBUG_THREADING
00048   MutexData() {
00049     lock_holder = strdup("Not locked");
00050   }
00051 
00052   ~MutexData() {
00053     if ( lock_holder ) {
00054       free(lock_holder);
00055     }
00056   }
00057 
00058   char *lock_holder;
00059 
00060   void set_lock_holder()
00061   {
00062     if ( lock_holder ) {
00063       free(lock_holder);
00064     }
00065     try {
00066       Thread *ct = Thread::current_thread();
00067       if ( ct ) {
00068         lock_holder = strdup(ct->name());
00069       } else {
00070         lock_holder = strdup("Unknown");
00071       }
00072     } catch (Exception &e) {
00073       asprintf(&lock_holder, "Unknown: failed to get thread (%s)", e.what());
00074     }
00075   }
00076 
00077   void unset_lock_holder() {
00078     if ( lock_holder ) {
00079       free(lock_holder);
00080     }
00081     lock_holder = strdup("Not locked");
00082   }
00083 
00084 #endif
00085 };
00086 /// @endcond
00087 
00088 
00089 } // end namespace fawkes
00090 
00091 #endif

Generated on Tue Feb 22 13:32:26 2011 for Fawkes API by  doxygen 1.4.7