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Annotation of sys/compat/linux/linux_sem.h, Revision 1.1.1.1

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 */