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path: root/core/src/xmake/thread/mutex_incref.c
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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_incref.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_incref(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);

    lua_pushboolean(lua, tb_atomic_fetch_and_add(&thread_mutex->refn, 1) >= 1);
    return 1;
}