dnonblock.h

用来编写 unix 环境下的守护程序的工具库

#ifndef foodaemonnonblockhfoo
#define foodaemonnonblockhfoo

/* $Id: dnonblock.h 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 __cplusplus
extern "C" {
#endif

/** \file
 *
 * Contains a single function used to change a file descriptor to
 * non-blocking mode using fcntl().
 */

/** Change the passed file descriptor to non-blocking or blocking
 * mode, depending on b.
 * @param fd The file descriptor to manipulation
 * @param b TRUE if non-blocking mode should be enabled, FALSE if it
 * should be disabled
 * @return Zero on success, nonzero on failure.
 */
int daemon_nonblock(int fd, int b);

#ifdef __cplusplus
}
#endif

#endif