1 // Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // Author : Paul RASCLE (EDF)
27 #ifndef _LOCALTRACEBUFFERPOOL_HXX_
28 #define _LOCALTRACEBUFFERPOOL_HXX_
30 #include "SALOME_LocalTrace.hxx"
32 #define TRACE_BUFFER_SIZE 512 // number of entries in circular buffer
34 #define MAX_TRACE_LENGTH 1024 // messages are truncated at this size
37 #include <semaphore.h>
38 #include "BaseTraceCollector.hxx"
39 #include "BasicsGenericDestructor.hxx"
41 #define ABORT_MESS 1 // for traceType field in struct LocalTrace_TraceInfo
44 struct SALOMELOCALTRACE_EXPORT LocalTrace_TraceInfo
46 char trace[MAX_TRACE_LENGTH];
48 int traceType; // normal or abort
49 int position; // to check sequence
52 class SALOMELOCALTRACE_EXPORT LocalTraceBufferPool : public PROTECTED_DELETE
55 static LocalTraceBufferPool* instance();
56 int insert(int traceType, const char* msg);
57 int retrieve(LocalTrace_TraceInfo& aTrace);
58 unsigned long toCollect();
61 LocalTraceBufferPool();
62 virtual ~LocalTraceBufferPool();
63 unsigned long lockedIncrement(unsigned long& pos);
66 static LocalTraceBufferPool* _singleton;
67 static pthread_mutex_t _singletonMutex;
68 static BaseTraceCollector *_myThreadTrace;
70 LocalTrace_TraceInfo _myBuffer[TRACE_BUFFER_SIZE];
71 sem_t _freeBufferSemaphore; // to wait until there is a free buffer
72 sem_t _fullBufferSemaphore; // to wait until there is a buffer to print
73 pthread_mutex_t _incrementMutex; // to lock position variables for increment
74 unsigned long _position;
75 unsigned long _insertPos;
76 unsigned long _retrievePos;