+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- *
- */
-
-
-#ifndef CEPH_Sem_Posix__H
-#define CEPH_Sem_Posix__H
-
-class Semaphore
-{
- Mutex m;
- Cond c;
- int count;
-
- public:
-
- Semaphore() : m("Semaphore::m")
- {
- count = 0;
- }
-
- void Put()
- {
- m.Lock();
- count++;
- c.Signal();
- m.Unlock();
- }
-
- void Get()
- {
- m.Lock();
- while(count <= 0) {
- c.Wait(m);
- }
- count--;
- m.Unlock();
- }
-};
-
-#endif // !_Mutex_Posix_