| 1 | /* $NetBSD: linux_sem.h,v 1.10 2008/04/28 20:23:44 martin Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Frank van der Linden and Eric Haszlakiewicz. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #ifndef _LINUX_SEM_H |
| 33 | #define _LINUX_SEM_H |
| 34 | |
| 35 | #include <sys/sem.h> |
| 36 | |
| 37 | /* |
| 38 | * Operations for semctl(2), in addition to IPC_STAT and IPC_SET |
| 39 | */ |
| 40 | #define LINUX_GETPID 11 |
| 41 | #define LINUX_GETVAL 12 |
| 42 | #define LINUX_GETALL 13 |
| 43 | #define LINUX_GETNCNT 14 |
| 44 | #define LINUX_GETZCNT 15 |
| 45 | #define LINUX_SETVAL 16 |
| 46 | #define LINUX_SETALL 17 |
| 47 | |
| 48 | /* |
| 49 | * Linux semid_ds structure. Internally used pointer fields are not |
| 50 | * important to us and have been changed to void * |
| 51 | */ |
| 52 | |
| 53 | struct linux_semid_ds { |
| 54 | struct linux_ipc_perm l_sem_perm; |
| 55 | linux_time_t l_sem_otime; |
| 56 | linux_time_t l_sem_ctime; |
| 57 | void *l_sem_base; |
| 58 | void *l_eventn; |
| 59 | void *l_eventz; |
| 60 | void *l_undo; |
| 61 | ushort l_sem_nsems; |
| 62 | }; |
| 63 | |
| 64 | struct linux_semid64_ds { |
| 65 | struct linux_ipc64_perm l_sem_perm; |
| 66 | linux_time_t l_sem_otime; |
| 67 | unsigned long l___unused1; |
| 68 | linux_time_t l_sem_ctime; |
| 69 | unsigned long l___unused2; |
| 70 | unsigned long l_sem_nsems; |
| 71 | unsigned long l___unused3; |
| 72 | unsigned long l___unused4; |
| 73 | }; |
| 74 | |
| 75 | union linux_semun { |
| 76 | int l_val; |
| 77 | struct linux_semid_ds *l_buf; |
| 78 | ushort *l_array; |
| 79 | void *l___buf; /* For unsupported IPC_INFO */ |
| 80 | void *l___pad; |
| 81 | }; |
| 82 | |
| 83 | /* Pretend the sys_semctl syscall is defined */ |
| 84 | #ifndef __amd64__ |
| 85 | struct linux_sys_semctl_args { |
| 86 | syscallarg(int) semid; |
| 87 | syscallarg(int) semnum; |
| 88 | syscallarg(int) cmd; |
| 89 | syscallarg(union linux_semun) arg; |
| 90 | }; |
| 91 | int linux_sys_semctl(struct lwp *, const struct linux_sys_semctl_args *, register_t *); |
| 92 | #endif |
| 93 | |
| 94 | |
| 95 | #ifdef SYSVSEM |
| 96 | #ifdef _KERNEL |
| 97 | __BEGIN_DECLS |
| 98 | void bsd_to_linux_semid_ds(struct semid_ds *, struct linux_semid_ds *); |
| 99 | void bsd_to_linux_semid64_ds(struct semid_ds *, struct linux_semid64_ds *); |
| 100 | void linux_to_bsd_semid_ds(struct linux_semid_ds *, struct semid_ds *); |
| 101 | void linux_to_bsd_semid64_ds(struct linux_semid64_ds *, struct semid_ds *); |
| 102 | __END_DECLS |
| 103 | #endif /* !_KERNEL */ |
| 104 | #endif /* !SYSVSEM */ |
| 105 | |
| 106 | #endif /* !_LINUX_SEM_H */ |
| 107 | |