mirror of https://github.com/minetest/minetest.git
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/*
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Minetest
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Copyright (C) 2013 sapier, < sapier AT gmx DOT net >
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program 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
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <assert.h>
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#include "jthread/jsemaphore.h"
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JSemaphore::JSemaphore() {
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assert(sem_init(&m_semaphore,0,0) == 0);
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}
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JSemaphore::~JSemaphore() {
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assert(sem_destroy(&m_semaphore) == 0);
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}
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JSemaphore::JSemaphore(int initval) {
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assert(sem_init(&m_semaphore,0,initval) == 0);
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}
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void JSemaphore::Post() {
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assert(sem_post(&m_semaphore) == 0);
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}
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void JSemaphore::Wait() {
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assert(sem_wait(&m_semaphore) == 0);
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}
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int JSemaphore::GetValue() {
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int retval = 0;
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sem_getvalue(&m_semaphore,&retval);
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return retval;
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}
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