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/*!A cross-platform build utility based on Lua
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright (C) 2015-present, Xmake Open Source Community.
*
* @author ruki
* @file mutex_exit.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "thread_mutex"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
tb_int_t xm_thread_mutex_exit(lua_State *lua) {
tb_assert_and_check_return_val(lua, 0);
xm_thread_mutex_t *thread_mutex = xm_thread_mutex_get(lua, 1);
tb_assert_and_check_return_val(thread_mutex && thread_mutex->handle, 0);
if (tb_atomic_fetch_and_sub(&thread_mutex->refn, 1) == 1) {
if (thread_mutex->handle) {
tb_mutex_exit(thread_mutex->handle);
thread_mutex->handle = tb_null;
}
tb_free(thread_mutex);
}
lua_pushboolean(lua, tb_true);
return 1;
}
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