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83 lines
1.8 KiB
83 lines
1.8 KiB
/* AvKode: Multithreading classes
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Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef _AKODE_THREAD_H
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#define _AKODE_THREAD_H
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#include <pthread.h>
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#include <semaphore.h>
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namespace aKode {
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class Condition;
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class Mutex {
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friend class Condition;
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public:
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Mutex() {
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pthread_mutex_init(&mutex, 0);
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}
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void lock() {
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pthread_mutex_lock(&mutex);
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}
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void unlock() {
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pthread_mutex_unlock(&mutex);
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}
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private:
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pthread_mutex_t mutex;
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};
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class Condition {
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public:
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Condition() {
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pthread_cond_init(&cond, 0);
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}
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void wait(Mutex *mutex) {
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pthread_cond_wait(&cond, &mutex->mutex);
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}
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void signal() {
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pthread_cond_signal(&cond);
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}
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private:
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pthread_cond_t cond;
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};
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class Semaphore {
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public:
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Semaphore(int i = 0) {
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sem_init(&sem, 0, i);
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}
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~Semaphore() {
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sem_destroy(&sem);
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}
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void wait() {
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sem_wait(&sem);
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}
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void signal() {
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sem_post(&sem);
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}
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private:
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sem_t sem;
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};
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} // namespace
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#endif
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