C_Mutex.cpp Source File

00001 /*
00002  *  This program is free software; you can redistribute it and/or modify
00003  *  it under the terms of the GNU General Public License as published by
00004  *  the Free Software Foundation; either version 2 of the License, or
00005  *  (at your option) any later version.
00006  *
00007  *  This program is distributed in the hope that it will be useful,
00008  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00009  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00010  *  GNU General Public License for more details.
00011  *
00012  *  You should have received a copy of the GNU General Public License
00013  *  along with this program; if not, write to the Free Software
00014  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00015  *
00016  * (c)Copyright 2006 Hewlett-Packard Development Company, LP.
00017  *
00018  */
00019 
00020 #include "MutexImpl.h"
00021 
00022 #include "Utils.hpp"
00023 #include "C_Mutex.hpp"
00024 
00025 
00026 C_Mutex::C_Mutex() {
00027   ALLOC_VAR (m_impl, _pc_mutex, sizeof(_c_mutex)); 
00028   init () ;
00029 }
00030 
00031 C_Mutex::~C_Mutex() {
00032   destroy () ;
00033   FREE_VAR (m_impl) ;
00034 }
00035 
00036 void C_Mutex::init () {
00037 
00038   pthread_mutexattr_t L_mxAttr;
00039 
00040   pthread_mutexattr_init(&L_mxAttr);
00041   pthread_mutexattr_settype(&L_mxAttr, PTHREAD_MUTEX_NORMAL);
00042   pthread_mutex_init (MutexPt, &L_mxAttr) ;
00043 
00044 } // init ()
00045 
00046 void C_Mutex::destroy () {
00047 
00048   pthread_mutex_destroy (MutexPt) ;
00049 
00050 } // destroy ()
00051 
00052 void C_Mutex::unlock() {
00053 
00054   pthread_mutex_unlock (MutexPt);
00055 
00056 } // unlock()
00057 
00058 void C_Mutex::lock() {
00059 
00060   pthread_mutex_lock (MutexPt) ;
00061 
00062 } // lock()