1 #ifndef _SYS_SHM_H
2 #define _SYS_SHM_H
3 
4 #ifdef __cplusplus
5 extern "C" {
6 #endif
7 
8 #include <features.h>
9 
10 #define __NEED_time_t
11 #define __NEED_size_t
12 #define __NEED_pid_t
13 
14 #include <bits/alltypes.h>
15 
16 #include <sys/ipc.h>
17 
18 #ifdef _GNU_SOURCE
19 #define __used_ids used_ids
20 #define __swap_attempts swap_attempts
21 #define __swap_successes swap_successes
22 #endif
23 
24 #include <bits/shm.h>
25 
26 #define SHM_R 0400
27 #define SHM_W 0200
28 
29 #define SHM_RDONLY 010000
30 #define SHM_RND    020000
31 #define SHM_REMAP  040000
32 #define SHM_EXEC   0100000
33 
34 #define SHM_LOCK 11
35 #define SHM_UNLOCK 12
36 #define SHM_STAT (13 | (IPC_STAT & 0x100))
37 #define SHM_INFO 14
38 #define SHM_STAT_ANY (15 | (IPC_STAT & 0x100))
39 #define SHM_DEST 01000
40 #define SHM_LOCKED 02000
41 #define SHM_HUGETLB 04000
42 #define SHM_NORESERVE 010000
43 
44 #define SHM_HUGE_SHIFT 26
45 #define SHM_HUGE_MASK  0x3f
46 #define SHM_HUGE_64KB  (16 << 26)
47 #define SHM_HUGE_512KB (19 << 26)
48 #define SHM_HUGE_1MB   (20 << 26)
49 #define SHM_HUGE_2MB   (21 << 26)
50 #define SHM_HUGE_8MB   (23 << 26)
51 #define SHM_HUGE_16MB  (24 << 26)
52 #define SHM_HUGE_32MB  (25 << 26)
53 #define SHM_HUGE_256MB (28 << 26)
54 #define SHM_HUGE_512MB (29 << 26)
55 #define SHM_HUGE_1GB   (30 << 26)
56 #define SHM_HUGE_2GB   (31 << 26)
57 #define SHM_HUGE_16GB  (34U << 26)
58 
59 typedef unsigned long shmatt_t;
60 
61 void *shmat(int, const void *, int);
62 int shmctl(int, int, struct shmid_ds *);
63 int shmdt(const void *);
64 int shmget(key_t, size_t, int);
65 
66 #ifdef __cplusplus
67 }
68 #endif
69 
70 #endif