FreeBSD/Linux Kernel Cross Reference
sys/compat/sys/shm.h

     /*      $NetBSD: shm.h,v 1.4 2005/11/12 00:39:22 simonb Exp $   */
     
     /*
      * Copyright (c) 1994 Adam Glass
      * 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 Adam Glass.
     * 4. The name of the author may not 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.
     */
    
    /*
     * As defined+described in "X/Open System Interfaces and Headers"
     *                         Issue 4, p. XXX
     */
    
    #ifndef _COMPAT_SYS_SHM_H_
    #define _COMPAT_SYS_SHM_H_
    
    #ifdef _KERNEL
    #include <compat/sys/ipc.h>
    
    struct shmid_ds14 {
            struct ipc_perm14 shm_perm;     /* operation permission structure */
            int             shm_segsz;      /* size of segment in bytes */
            pid_t           shm_lpid;       /* process ID of last shm op */
            pid_t           shm_cpid;       /* process ID of creator */
            short           shm_nattch;     /* number of current attaches */
            time_t          shm_atime;      /* time of last shmat() */
            time_t          shm_dtime;      /* time of last shmdt() */
            time_t          shm_ctime;      /* time of last change by shmctl() */
            void            *shm_internal;  /* sysv stupidity */
    };
    #endif
    
    #endif /* !_COMPAT_SYS_SHM_H_ */

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