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- /* Copyright 2015 Pierre Ossman for Cendio AB
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #ifdef WIN32
- #include <windows.h>
- #else
- #include <pthread.h>
- #endif
-
- #include <rdr/Exception.h>
-
- #include <os/Mutex.h>
-
- using namespace os;
-
- Mutex::Mutex()
- {
- #ifdef WIN32
- systemMutex = new CRITICAL_SECTION;
- InitializeCriticalSection((CRITICAL_SECTION*)systemMutex);
- #else
- int ret;
-
- systemMutex = new pthread_mutex_t;
- ret = pthread_mutex_init((pthread_mutex_t*)systemMutex, NULL);
- if (ret != 0)
- throw rdr::SystemException("Failed to create mutex", ret);
- #endif
- }
-
- Mutex::~Mutex()
- {
- #ifdef WIN32
- DeleteCriticalSection((CRITICAL_SECTION*)systemMutex);
- delete (CRITICAL_SECTION*)systemMutex;
- #else
- pthread_mutex_destroy((pthread_mutex_t*)systemMutex);
- delete (pthread_mutex_t*)systemMutex;
- #endif
- }
-
- void Mutex::lock()
- {
- #ifdef WIN32
- EnterCriticalSection((CRITICAL_SECTION*)systemMutex);
- #else
- int ret;
-
- ret = pthread_mutex_lock((pthread_mutex_t*)systemMutex);
- if (ret != 0)
- throw rdr::SystemException("Failed to lock mutex", ret);
- #endif
- }
-
- void Mutex::unlock()
- {
- #ifdef WIN32
- LeaveCriticalSection((CRITICAL_SECTION*)systemMutex);
- #else
- int ret;
-
- ret = pthread_mutex_unlock((pthread_mutex_t*)systemMutex);
- if (ret != 0)
- throw rdr::SystemException("Failed to unlock mutex", ret);
- #endif
- }
-
- Condition::Condition(Mutex* mutex)
- {
- this->mutex = mutex;
-
- #ifdef WIN32
- systemCondition = new CONDITION_VARIABLE;
- InitializeConditionVariable((CONDITION_VARIABLE*)systemCondition);
- #else
- int ret;
-
- systemCondition = new pthread_cond_t;
- ret = pthread_cond_init((pthread_cond_t*)systemCondition, NULL);
- if (ret != 0)
- throw rdr::SystemException("Failed to create condition variable", ret);
- #endif
- }
-
- Condition::~Condition()
- {
- #ifdef WIN32
- delete (CONDITION_VARIABLE*)systemCondition;
- #else
- pthread_cond_destroy((pthread_cond_t*)systemCondition);
- delete (pthread_cond_t*)systemCondition;
- #endif
- }
-
- void Condition::wait()
- {
- #ifdef WIN32
- BOOL ret;
-
- ret = SleepConditionVariableCS((CONDITION_VARIABLE*)systemCondition,
- (CRITICAL_SECTION*)mutex->systemMutex,
- INFINITE);
- if (!ret)
- throw rdr::SystemException("Failed to wait on condition variable", GetLastError());
- #else
- int ret;
-
- ret = pthread_cond_wait((pthread_cond_t*)systemCondition,
- (pthread_mutex_t*)mutex->systemMutex);
- if (ret != 0)
- throw rdr::SystemException("Failed to wait on condition variable", ret);
- #endif
- }
-
- void Condition::signal()
- {
- #ifdef WIN32
- WakeConditionVariable((CONDITION_VARIABLE*)systemCondition);
- #else
- int ret;
-
- ret = pthread_cond_signal((pthread_cond_t*)systemCondition);
- if (ret != 0)
- throw rdr::SystemException("Failed to signal condition variable", ret);
- #endif
- }
-
- void Condition::broadcast()
- {
- #ifdef WIN32
- WakeAllConditionVariable((CONDITION_VARIABLE*)systemCondition);
- #else
- int ret;
-
- ret = pthread_cond_broadcast((pthread_cond_t*)systemCondition);
- if (ret != 0)
- throw rdr::SystemException("Failed to broadcast condition variable", ret);
- #endif
- }
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