lib/libc_r/uthread/uthread_kqueue.c

   1 /*
   2  * Copyright (c) 2003 Mark Peek <mp@freebsd.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/lib/libc_r/uthread/uthread_kqueue.c,v 1.1 2003/07/25 17:02:33 mp Exp $
  27  * $DragonFly: src/lib/libc_r/uthread/uthread_kqueue.c,v 1.2 2005/05/30 20:50:53 joerg Exp $
  28  */
  29
  30 #include <sys/types.h>
  31 #include <sys/event.h>
  32 #include <fcntl.h>
  33 #include <unistd.h>
  34 #include <pthread.h>
  35 #include "pthread_private.h"
  36
  37 int
  38 _kqueue(void)
  39 {
  40         int fd;
  41
  42         /* Create a kqueue: */
  43         if ((fd = __sys_kqueue()) < 0) {
  44                 /* Error creating socket. */
  45
  46         /* Initialise the entry in the file descriptor table: */
  47         } else if (_thread_fd_table_init(fd) != 0) {
  48                 __sys_close(fd);
  49                 fd = -1;
  50         }
  51         return (fd);
  52 }
  53
  54 __strong_reference(_kqueue, kqueue);