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