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1965aae3 PA |
1 | #ifndef _ASM_X86_SHMBUF_H |
2 | #define _ASM_X86_SHMBUF_H | |
079091a4 TG |
3 | |
4 | /* | |
5 | * The shmid64_ds structure for x86 architecture. | |
6 | * Note extra padding because this structure is passed back and forth | |
7 | * between kernel and user space. | |
8 | * | |
9 | * Pad space on 32 bit is left for: | |
10 | * - 64-bit time_t to solve y2038 problem | |
11 | * - 2 miscellaneous 32-bit values | |
12 | * | |
13 | * Pad space on 64 bit is left for: | |
14 | * - 2 miscellaneous 64-bit values | |
15 | */ | |
16 | ||
17 | struct shmid64_ds { | |
18 | struct ipc64_perm shm_perm; /* operation perms */ | |
19 | size_t shm_segsz; /* size of segment (bytes) */ | |
20 | __kernel_time_t shm_atime; /* last attach time */ | |
21 | #ifdef __i386__ | |
22 | unsigned long __unused1; | |
96a388de | 23 | #endif |
079091a4 TG |
24 | __kernel_time_t shm_dtime; /* last detach time */ |
25 | #ifdef __i386__ | |
26 | unsigned long __unused2; | |
27 | #endif | |
28 | __kernel_time_t shm_ctime; /* last change time */ | |
29 | #ifdef __i386__ | |
30 | unsigned long __unused3; | |
31 | #endif | |
32 | __kernel_pid_t shm_cpid; /* pid of creator */ | |
33 | __kernel_pid_t shm_lpid; /* pid of last operator */ | |
34 | unsigned long shm_nattch; /* no. of current attaches */ | |
35 | unsigned long __unused4; | |
36 | unsigned long __unused5; | |
37 | }; | |
38 | ||
39 | struct shminfo64 { | |
40 | unsigned long shmmax; | |
41 | unsigned long shmmin; | |
42 | unsigned long shmmni; | |
43 | unsigned long shmseg; | |
44 | unsigned long shmall; | |
45 | unsigned long __unused1; | |
46 | unsigned long __unused2; | |
47 | unsigned long __unused3; | |
48 | unsigned long __unused4; | |
49 | }; | |
50 | ||
1965aae3 | 51 | #endif /* _ASM_X86_SHMBUF_H */ |