mirror of https://github.com/minetest/minetest.git
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
/*
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This file is a part of the JThread package, which contains some object-
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oriented thread wrappers for different thread implementations.
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Copyright (c) 2000-2006 Jori Liesenborgs (jori.liesenborgs@gmail.com)
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include <assert.h>
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#include "jthread/jevent.h"
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#define UNUSED(expr) do { (void)(expr); } while (0)
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#if defined(__MACH__) && defined(__APPLE__)
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#undef sem_t
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#define sem_t semaphore_t
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#undef sem_init
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#define sem_init(s, p, c) semaphore_create(mach_task_self(), (s), 0, (c))
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#undef sem_wait
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#define sem_wait(s) semaphore_wait(*(s))
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#undef sem_post
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#define sem_post(s) semaphore_signal(*(s))
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#undef sem_destroy
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#define sem_destroy(s) semaphore_destroy(mach_task_self(), *(s))
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#endif
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Event::Event() {
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int sem_init_retval = sem_init(&sem, 0, 0);
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assert(sem_init_retval == 0);
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UNUSED(sem_init_retval);
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}
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Event::~Event() {
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int sem_destroy_retval = sem_destroy(&sem);
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assert(sem_destroy_retval == 0);
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UNUSED(sem_destroy_retval);
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}
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void Event::wait() {
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int sem_wait_retval = sem_wait(&sem);
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assert(sem_wait_retval == 0);
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UNUSED(sem_wait_retval);
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}
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void Event::signal() {
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int sem_post_retval = sem_post(&sem);
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assert(sem_post_retval == 0);
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UNUSED(sem_post_retval);
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}
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