FreeBSD/Linux Kernel Cross Reference
sys/bsd/sys/select.h

     /*
      * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_LICENSE_HEADER_START@
      * 
      * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
     * Version 2.0 (the 'License'). You may not use this file except in
     * compliance with the License. Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this
     * file.
     * 
     * The Original Code and all software distributed under the License are
     * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
     * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
     * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
     * Please see the License for the specific language governing rights and
     * limitations under the License.
     * 
     * @APPLE_LICENSE_HEADER_END@
     */
    /*
     * Copyright (c) 1992, 1993
     *      The Regents of the University of California.  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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
     *
     *      @(#)select.h    8.2 (Berkeley) 1/4/94
     */
    
    #ifndef _SYS_SELECT_H_
    #define _SYS_SELECT_H_
    
    #include <sys/appleapiopts.h>
    #include <sys/cdefs.h>
    
    #ifdef __APPLE_API_UNSTABLE
    
    __BEGIN_DECLS
    
    #ifdef KERNEL
    #include <kern/wait_queue.h>
    #endif
    
    #include <sys/event.h>
    
    /*
     * Used to maintain information about processes that wish to be
     * notified when I/O becomes possible.
     */
    struct selinfo {
    #ifdef KERNEL
            union {
                    struct  wait_queue wait_queue;  /* wait_queue for wait/wakeup */
                    struct klist note;              /* JMM - temporary separation */
            } si_u;
    #define si_wait_queue si_u.wait_queue
    #define si_note si_u.note
    #else
            char  si_wait_queue[16];
    #endif
            u_int   si_flags;               /* see below */
    };
    
    #define SI_COLL         0x0001          /* collision occurred */
    #define SI_RECORDED     0x0004          /* select has been recorded */ 
    #define SI_INITED       0x0008          /* selinfo has been inited */ 
    #define SI_CLEAR        0x0010          /* selinfo has been cleared */ 
    
    #ifdef KERNEL
   struct proc;
   
   void    selrecord __P((struct proc *selector, struct selinfo *, void *));
   void    selwakeup __P((struct selinfo *));
   void    selthreadclear __P((struct selinfo *));
   #endif /* KERNEL */
   
   __END_DECLS
   
   #endif /* __APPLE_API_UNSTABLE */
   
   #ifndef KERNEL
   #include <sys/types.h>
   #ifndef  __MWERKS__
   #include <signal.h>
   #endif /* __MWERKS__ */
   #include <sys/time.h>
   
   __BEGIN_DECLS
   #ifndef  __MWERKS__
   int      pselect(int, fd_set *, fd_set *, fd_set *,
               const struct timespec *, const sigset_t *);
   #endif /* __MWERKS__ */
   int      select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
   __END_DECLS
   #endif /* ! KERNEL */
   
   #endif /* !_SYS_SELECT_H_ */

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