OpenBSD-4.6/lib/libpthread/uthread/uthread_kqueue.c

/*	$OpenBSD: uthread_kqueue.c,v 1.3 2006/09/26 14:18:28 kurt Exp $	*/

/*
 * Copyright (c) 2003 Mark Peek <mp@freebsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: uthread_kqueue.c,v 1.1 2003/07/25 17:02:33 mp Exp $
 */

#include <sys/types.h>
#include <sys/event.h>
#include <fcntl.h>
#include <unistd.h>
#ifdef _THREAD_SAFE
#include <pthread.h>
#include "pthread_private.h"

int
kqueue(void)
{
	int fd;

	/* Create a kqueue: */
	if ((fd = _thread_sys_kqueue()) < 0) {
		/* Error creating socket. */

	/* Initialise the entry in the file descriptor table: */
	} else if (_thread_fd_table_init(fd, FD_INIT_NEW, NULL) != 0) {
		_thread_sys_close(fd);
		fd = -1;
	}
	return (fd);
}
#endif