FreeBSD/Linux Kernel Cross Reference
sys/sparc64/sparc64/critical.c

     /*-
      * Copyright (c) 2002 Matthew Dillon.  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.
     * 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 AUTHOR ``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 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: releng/5.2/sys/sparc64/sparc64/critical.c 118848 2003-08-12 23:24:05Z imp $
     */
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/pcpu.h>
    #include <sys/eventhandler.h>   /* XX */
    #include <sys/ktr.h>            /* XX */
    #include <sys/signalvar.h>
    #include <sys/sysproto.h>       /* XX */
    #include <sys/kernel.h>
    #include <sys/proc.h>
    #include <sys/lock.h>
    #include <sys/mutex.h>
    #include <sys/sysctl.h>
    #include <sys/ucontext.h>
    #include <machine/critical.h>
    
    /*
     * cpu_critical_fork_exit() - cleanup after fork
     */
    void
    cpu_critical_fork_exit(void)
    {
            struct thread *td;
    
            td = curthread;
            td->td_md.md_savecrit = 0;
    }

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