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Annotation of sys/compat/linux/linux_sem.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: linux_sem.h,v 1.2 1996/04/17 05:23:57 mickey Exp $    */
        !             2: /*     $NetBSD: linux_sem.h,v 1.1 1995/08/15 21:14:35 fvdl Exp $       */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1995 Frank van der Linden
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *      This product includes software developed for the NetBSD Project
        !            19:  *      by Frank van der Linden
        !            20:  * 4. The name of the author may not be used to endorse or promote products
        !            21:  *    derived from this software without specific prior written permission
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            24:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            25:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            26:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            27:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            28:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            29:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            30:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            31:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            32:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            33:  */
        !            34:
        !            35: #ifndef _LINUX_SEM_H
        !            36: #define _LINUX_SEM_H
        !            37:
        !            38: /*
        !            39:  * Operations for semctl(2), in addition to IPC_STAT and IPC_SET
        !            40:  */
        !            41: #define LINUX_GETPID  11
        !            42: #define LINUX_GETVAL  12
        !            43: #define LINUX_GETALL  13
        !            44: #define LINUX_GETNCNT 14
        !            45: #define LINUX_GETZCNT 15
        !            46: #define LINUX_SETVAL  16
        !            47: #define LINUX_SETALL  17
        !            48:
        !            49: /*
        !            50:  * Linux semid_ds structure. Internally used pointer fields are not
        !            51:  * important to us and have been changed to void *
        !            52:  */
        !            53:
        !            54: struct linux_semid_ds {
        !            55:        struct linux_ipc_perm    l_sem_perm;
        !            56:        linux_time_t             l_sem_otime;
        !            57:        linux_time_t             l_sem_ctime;
        !            58:        void                    *l_sem_base;
        !            59:        void                    *l_eventn;
        !            60:        void                    *l_eventz;
        !            61:        void                    *l_undo;
        !            62:        ushort                   l_sem_nsems;
        !            63: };
        !            64:
        !            65: union linux_semun {
        !            66:        int                      l_val;
        !            67:        struct linux_semid_ds   *l_buf;
        !            68:        ushort                  *l_array;
        !            69:        void                    *l___buf;       /* For unsupported IPC_INFO */
        !            70:        void                    *l___pad;
        !            71: };
        !            72:
        !            73: #endif /* _LINUX_SEM_H */