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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 semaphore_init.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "thread_semaphore"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
tb_int_t xm_thread_semaphore_init(lua_State *lua) {
tb_assert_and_check_return_val(lua, 0);
tb_bool_t ok = tb_false;
xm_thread_semaphore_t *thread_semaphore = tb_null;
do {
tb_long_t value = (tb_long_t)luaL_checknumber(lua, 1);
thread_semaphore = tb_malloc0_type(xm_thread_semaphore_t);
tb_assert_and_check_break(thread_semaphore);
thread_semaphore->refn = 1;
thread_semaphore->handle = tb_semaphore_init(value);
tb_assert_and_check_break(thread_semaphore->handle);
xm_lua_pushpointer(lua, (tb_pointer_t)thread_semaphore);
ok = tb_true;
} while (0);
if (!ok) {
if (thread_semaphore) {
if (thread_semaphore->handle) {
tb_semaphore_exit(thread_semaphore->handle);
thread_semaphore->handle = tb_null;
}
tb_free(thread_semaphore);
}
lua_pushnil(lua);
}
return 1;
}
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