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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 thread_init.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "thread"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
#include "../engine.h"
#include "../engine_pool.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* macros
*/
#define XM_THREAD_ENGINE_NAME "xmake"
/* //////////////////////////////////////////////////////////////////////////////////////
* private implementation
*/
static tb_int_t xm_thread_func(tb_cpointer_t priv) {
xm_thread_t *thread = (xm_thread_t *)priv;
tb_assert_and_check_return_val(thread, 0);
xm_engine_ref_t engine = xm_engine_pool_alloc(xm_engine_pool());
if (!engine) {
engine = xm_engine_init(XM_THREAD_ENGINE_NAME, tb_null);
}
if (engine) {
lua_State *lua = xm_engine_lua(engine);
tb_assert(lua);
// pass callback
tb_char_t const *callback_data = tb_string_cstr(&thread->callback);
tb_size_t callback_size = tb_string_size(&thread->callback);
if (callback_data && callback_size) {
lua_pushlstring(lua, callback_data, callback_size);
lua_setglobal(lua, "_THREAD_CALLBACK");
}
// pass callinfo
tb_char_t const *callinfo_data = tb_string_cstr(&thread->callinfo);
tb_size_t callinfo_size = tb_string_size(&thread->callinfo);
if (callinfo_data && callinfo_size) {
lua_pushlstring(lua, callinfo_data, callinfo_size);
lua_setglobal(lua, "_THREAD_CALLINFO");
}
// start engine
tb_char_t *argv[] = { XM_THREAD_ENGINE_NAME, tb_null };
xm_engine_main(engine, 1, argv, tb_null);
if (!xm_engine_pool_free(xm_engine_pool(), engine)) {
xm_engine_exit(engine);
}
}
return 0;
}
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
tb_int_t xm_thread_init(lua_State *lua) {
tb_assert_and_check_return_val(lua, 0);
tb_bool_t ok = tb_false;
xm_thread_t *thread = tb_null;
do {
// get thread name
tb_char_t const *name = luaL_checkstring(lua, 1);
// get callback
size_t callback_size = 0;
tb_char_t const *callback_data = luaL_checklstring(lua, 2, &callback_size);
tb_assert_and_check_break(callback_data && callback_size);
// get callinfo
size_t callinfo_size = 0;
tb_char_t const *callinfo_data = luaL_checklstring(lua, 3, &callinfo_size);
tb_assert_and_check_break(callinfo_data && callinfo_size);
// get stack size
tb_size_t stacksize = (tb_size_t)luaL_checkinteger(lua, 4);
// init thread
thread = tb_malloc0_type(xm_thread_t);
tb_assert_and_check_break(thread);
tb_string_init(&thread->callback);
tb_string_cstrncpy(&thread->callback, callback_data, callback_size);
tb_string_init(&thread->callinfo);
tb_string_cstrncpy(&thread->callinfo, callinfo_data, callinfo_size);
// create and start thread
thread->handle = tb_thread_init(name, xm_thread_func, thread, stacksize);
tb_assert_and_check_break(thread->handle);
xm_lua_pushpointer(lua, (tb_pointer_t)thread);
ok = tb_true;
} while (0);
if (!ok) {
if (thread) {
tb_string_exit(&thread->callback);
tb_string_exit(&thread->callinfo);
if (thread->handle) {
tb_thread_exit(thread->handle);
thread->handle = tb_null;
}
tb_free(thread);
}
lua_pushnil(lua);
}
return 1;
}
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