?? dnonblock.c
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/* $Id: dnonblock.c 101 2005-11-18 20:39:12Z lennart $ *//* * This file is part of libdaemon. * * libdaemon 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. * * libdaemon 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 libdaemon; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA */#ifdef HAVE_CONFIG_H#include <config.h>#endif#include <fcntl.h>#include "dnonblock.h"int daemon_nonblock(int fd, int b) { int a; if ((a = fcntl(fd, F_GETFL)) < 0) return -1; if (b) a |= O_NDELAY; else a &= ~O_NDELAY; if (fcntl(fd, F_SETFL, a) < 0) return -1; return 0;}
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