1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | #ifndef _ASM_X86_SEMBUF_H |
3 | #define _ASM_X86_SEMBUF_H |
4 | |
5 | #include <asm/ipcbuf.h> |
6 | |
7 | /* |
8 | * The semid64_ds structure for x86 architecture. |
9 | * Note extra padding because this structure is passed back and forth |
10 | * between kernel and user space. |
11 | * |
12 | * Pad space is left for: |
13 | * - 2 miscellaneous 32-bit values |
14 | * |
15 | * x86_64 and x32 incorrectly added padding here, so the structures |
16 | * are still incompatible with the padding on x86. |
17 | */ |
18 | struct semid64_ds { |
19 | struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ |
20 | #ifdef __i386__ |
21 | unsigned long sem_otime; /* last semop time */ |
22 | unsigned long sem_otime_high; |
23 | unsigned long sem_ctime; /* last change time */ |
24 | unsigned long sem_ctime_high; |
25 | #else |
26 | __kernel_long_t sem_otime; /* last semop time */ |
27 | __kernel_ulong_t __unused1; |
28 | __kernel_long_t sem_ctime; /* last change time */ |
29 | __kernel_ulong_t __unused2; |
30 | #endif |
31 | __kernel_ulong_t sem_nsems; /* no. of semaphores in array */ |
32 | __kernel_ulong_t __unused3; |
33 | __kernel_ulong_t __unused4; |
34 | }; |
35 | |
36 | #endif /* _ASM_X86_SEMBUF_H */ |
37 | |