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 */