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