FreeBSD/Linux Kernel Cross Reference
sys/emulation/43bsd/43bsd_exit.c

     /*
      * 43BSD_EXIT.C         - 4.3BSD compatibility exit syscalls
      *
      * Copyright (c) 1982, 1986, 1989, 1991, 1993
      *      The Regents of the University of California.  All rights reserved.
      * (c) UNIX System Laboratories, Inc.
      * All or some portions of this file are derived from material licensed
      * to the University of California by American Telephone and Telegraph
      * Co. or Unix System Laboratories, Inc. and are reproduced herein with
     * the permission of UNIX System Laboratories, Inc.
     *
     * 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. 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.
     *
     * $DragonFly: src/sys/emulation/43bsd/43bsd_exit.c,v 1.2 2006/06/05 07:26:07 dillon Exp $
     *      from: DragonFly kern/kern_exit.c,v 1.26
     *
     * These syscalls used to live in kern/kern_exit.c.  They are modified
     * to use the new split syscalls.
     */
    
    #include "opt_compat.h"
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/sysproto.h>
    #include <sys/conf.h>
    #include <sys/kernel.h>
    #include <sys/kern_syscall.h>
    #include <sys/proc.h>
    #include <sys/wait.h>
    
    /*
     * owait()
     *
     * owait_args(int dummy)
     *
     * MPSAFE
     */
    int
    sys_owait(struct owait_args *uap)
    {
            int error, status;
            int res = 0;
    
            error = kern_wait(WAIT_ANY, &status, 0, NULL, &res);
            uap->sysmsg_fds[0] = res;
    
            if (error == 0)
                    uap->sysmsg_fds[1] = status;
            return (error);
    }

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