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PsnMutexLock.cxx

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00001 /*
00002  * This file is part of openMask © INRIA, CNRS, Universite de Rennes 1 1993-2002, thereinafter the Software
00003  * 
00004  * The Software has been developped within the Siames Project. 
00005  * INRIA, the University of Rennes 1 and CNRS jointly hold intellectual property rights
00006  * 
00007  * The Software has been registered with the Agence pour la Protection des
00008  * Programmes (APP) under registration number IDDN.FR.001.510008.00.S.P.2001.000.41200
00009  *  
00010  * This file may be distributed under the terms of the Q Public License
00011  * version 1.0 as defined by Trolltech AS of Norway and appearing in the file
00012  * LICENSE.QPL included in the packaging of this file.
00013  *
00014  * Licensees holding valid specific licenses issued by INRIA, CNRS or Université de Rennes 1 
00015  * for the software may use this file in accordance with that specific license
00016  *
00017  */
00018 #include "PsnMutexLock.h"
00019 
00020 #include "PsController.h"
00021 
00022 #ifdef _SGI
00023 #include <stdlib.h>
00024 #endif
00025 
00026 #include <iostream>
00027 
00028 PsnMutexLock::PsnMutexLock() {
00029 #ifdef NDEBUG
00030    int ret =
00031 #endif
00032       pthread_mutex_init(&mutex , NULL);
00033 #ifdef NDEBUG
00034    if (ret) {
00035       PsController::error("PsnMutexLock::PsnMutexLock() failed");
00036    }
00037 #endif
00038 }
00039 
00040 PsnMutexLock::~PsnMutexLock() {
00041 #ifdef NDEBUG
00042    int ret = 
00043 #endif
00044       pthread_mutex_destroy( &mutex );
00045 #ifdef NDEBUG
00046    if (ret) {
00047       PsController::error("PsnMutexLock::~PsnMutexLock() failed");
00048    }
00049 #endif
00050 }
00051 
00052 int PsnMutexLock::protect() {
00053 #ifdef _DEBUGLOCK
00054    cerr<<"PsnMutexLock::"<<this<<"::protect(";
00055 #endif
00056 #ifdef NDEBUG
00057    int ret = 
00058 #endif
00059    pthread_mutex_lock( &mutex );
00060 #ifdef NDEBUG
00061    if (ret) {
00062       PsController::error("PsnMutexLock::protect failed");
00063    }
00064 #endif
00065 #ifdef _DEBUGLOCK
00066    cerr<<") effective for thread "<<pthread_self()<<endl;
00067 #endif
00068    return 0;
00069 }
00070 
00071 int PsnMutexLock::unprotect() {
00072 #ifdef _DEBUGLOCK
00073    cerr<<"PsnMutexLock::"<<this<<"::unprotect(";
00074 #endif
00075 #ifdef NDEBUG
00076    int ret = 
00077 #endif
00078       pthread_mutex_unlock( &mutex );
00079 #ifdef NDEBUG
00080    if (ret) {
00081       PsController::error("PsnMutexLock::unprotect failed");
00082    }
00083 #endif
00084 #ifdef _DEBUGLOCK
00085    cerr<<") effective for thread "<<pthread_self()<<endl;
00086 #endif
00087    return 0;
00088 }

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