1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #if defined(__BIONIC__)
30
31 #include <sys/shm.h>
32
33 #include "header_checks.h"
34
sys_shm_h()35 static void sys_shm_h() {
36 MACRO(SHM_RDONLY);
37 MACRO(SHM_RND);
38 MACRO(SHMLBA);
39
40 TYPE(shmatt_t);
41
42 TYPE(struct shmid_ds);
43 STRUCT_MEMBER(struct shmid_ds, struct ipc_perm, shm_perm);
44 STRUCT_MEMBER(struct shmid_ds, size_t, shm_segsz);
45 STRUCT_MEMBER(struct shmid_ds, pid_t, shm_lpid);
46 STRUCT_MEMBER(struct shmid_ds, pid_t, shm_cpid);
47 STRUCT_MEMBER(struct shmid_ds, shmatt_t, shm_nattch);
48 #if defined(__LP64__)
49 STRUCT_MEMBER(struct shmid_ds, time_t, shm_atime);
50 STRUCT_MEMBER(struct shmid_ds, time_t, shm_dtime);
51 STRUCT_MEMBER(struct shmid_ds, time_t, shm_ctime);
52 #else
53 // Starting at kernel v4.19, 32 bit changed these to unsigned values.
54 STRUCT_MEMBER(struct shmid_ds, unsigned long, shm_atime);
55 STRUCT_MEMBER(struct shmid_ds, unsigned long, shm_dtime);
56 STRUCT_MEMBER(struct shmid_ds, unsigned long, shm_ctime);
57 #endif
58
59 TYPE(pid_t);
60 TYPE(size_t);
61 TYPE(time_t);
62
63 FUNCTION(shmat, void* (*f)(int, const void*, int));
64 FUNCTION(shmctl, int (*f)(int, int, struct shmid_ds*));
65 FUNCTION(shmdt, int (*f)(const void*));
66 FUNCTION(shmget, int (*f)(key_t, size_t, int));
67 }
68 #endif
69