/*!The Automatic Cross-platform Build Tool
 * 
 * XMake is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 * 
 * XMake is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with XMake; 
 * If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
 * 
 * Copyright (C) 2015 - 2016, ruki All rights reserved.
 *
 * @author      ruki
 * @file        wait.c
 *
 */

/* //////////////////////////////////////////////////////////////////////////////////////
 * trace
 */
#define TB_TRACE_MODULE_NAME                "process.wait"
#define TB_TRACE_MODULE_DEBUG               (0)

/* //////////////////////////////////////////////////////////////////////////////////////
 * includes
 */
#include "prefix.h"

/* //////////////////////////////////////////////////////////////////////////////////////
 * implementation
 */

// ok, status = process.wait(p, timeout)
tb_int_t xm_process_wait(lua_State* lua)
{
    // check
    tb_assert_and_check_return_val(lua, 0);

    // is user data?
    if (!lua_isuserdata(lua, 1)) 
        return 0;

    // get the process
    tb_process_ref_t process = (tb_process_ref_t)lua_touserdata(lua, 1);
    tb_check_return_val(process, 0);

    // get the timeout
    tb_long_t timeout = (tb_long_t)luaL_checkinteger(lua, 2);

    // wait it
    tb_long_t status = 0;
    tb_long_t ok = tb_process_wait(process, &status, timeout);

    // save result
    lua_pushinteger(lua, ok);
    lua_pushinteger(lua, status);

    // ok
    return 2;
}