release/src/router/apcupsd/src/lib/amutex.cpp

   1 /*
   2  * amutex.cpp
   3  *
   4  * Simple mutex wrapper class.
   5  */
   6
   7 /*
   8  * Copyright (C) 2007 Adam Kropelin
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of version 2 of the GNU General
  12  * Public License as published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17  * General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public
  20  * License along with this program; if not, write to the Free
  21  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  22  * MA 02111-1307, USA.
  23  */
  24
  25 #include "amutex.h"
  26 #include "autil.h"
  27
  28 const char *amutex::DEFAULT_NAME = "unnamed_mutex";
  29
  30 amutex::amutex(const char *name, bool recursive)
  31    : _name(name)
  32 {
  33    pthread_mutexattr_t attr;
  34    pthread_mutexattr_init(&attr);
  35    pthread_mutexattr_settype(&attr,
  36       recursive ? PTHREAD_MUTEX_RECURSIVE : PTHREAD_MUTEX_NORMAL);
  37    pthread_mutex_init(&_mutex, &attr);
  38    pthread_mutexattr_destroy(&attr);
  39 }
  40
  41 amutex::~amutex()
  42 {
  43    pthread_mutex_destroy(&_mutex);
  44 }