include/common/SC_Sem.h

   1 /*
   2         SuperCollider real time audio synthesis system
   3     Copyright (c) 2002 James McCartney. All rights reserved.
   4         http://www.audiosynth.com
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program 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
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  19 */
  20
  21
  22 #ifndef _SC_Semaphore_
  23 #define _SC_Semaphore_
  24
  25 #include <pthread.h>
  26
  27 class SC_Semaphore
  28 {
  29 public:
  30         SC_Semaphore(int initialCount);
  31         ~SC_Semaphore();
  32
  33         void Acquire();
  34         void Release();
  35
  36 private:
  37         pthread_cond_t available;
  38         pthread_mutex_t mutex;
  39         int count;
  40 };
  41
  42 #endif
  43