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
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