diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-17 21:05:42 -0400 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-23 01:55:20 -0400 |
commit | bb8985586b7a906e116db835c64773b7a7d51663 (patch) | |
tree | de93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/shmbuf.h | |
parent | 8ede0bdb63305d3353efd97e9af6210afb05734e (diff) |
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/shmbuf.h')
-rw-r--r-- | arch/x86/include/asm/shmbuf.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/x86/include/asm/shmbuf.h b/arch/x86/include/asm/shmbuf.h new file mode 100644 index 000000000000..f51aec2298e9 --- /dev/null +++ b/arch/x86/include/asm/shmbuf.h | |||
@@ -0,0 +1,51 @@ | |||
1 | #ifndef ASM_X86__SHMBUF_H | ||
2 | #define ASM_X86__SHMBUF_H | ||
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; | ||
23 | #endif | ||
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 | |||
51 | #endif /* ASM_X86__SHMBUF_H */ | ||