nonblock.c

来自「一个收集所有最基本功能的函数库；所有的函数都是尽量短小和简单 使用 doxyge」· C语言 代码 · 共 48 行

/***************************************************************************
 *            nonblock.c
 *
 *  Sun May 27 15:32:15 2007
 *  Copyright  2007  kf701
 *  Email <kf701.ye AT gmail.com>
 ****************************************************************************/

/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
 

#include <fcntl.h>

#include "kf701.h"

/**
 * @brief set a fd as NONBLOCKING fd
 */
void setnonblocking(int fd)
{
	int opts=fcntl(fd,F_GETFL);
	if(opts<0)
	{
		sys_message("setnonblocking err\n");
		return;
	}
	opts = opts|O_NONBLOCK;
	if(fcntl(fd,F_SETFL,opts)<0)
	{
		sys_message("setnonblocking err\n");
		return;
	}
}