diff options
Diffstat (limited to 'arch/x86/include/uapi/asm/sembuf.h')
| -rw-r--r-- | arch/x86/include/uapi/asm/sembuf.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/sembuf.h b/arch/x86/include/uapi/asm/sembuf.h new file mode 100644 index 000000000..71205b02a --- /dev/null +++ b/arch/x86/include/uapi/asm/sembuf.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_X86_SEMBUF_H +#define _ASM_X86_SEMBUF_H + +#include <asm/ipcbuf.h> + +/* + * The semid64_ds structure for x86 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - 2 miscellaneous 32-bit values + * + * x86_64 and x32 incorrectly added padding here, so the structures + * are still incompatible with the padding on x86. + */ +struct semid64_ds { + struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ +#ifdef __i386__ + unsigned long sem_otime; /* last semop time */ + unsigned long sem_otime_high; + unsigned long sem_ctime; /* last change time */ + unsigned long sem_ctime_high; +#else + __kernel_long_t sem_otime; /* last semop time */ + __kernel_ulong_t __unused1; + __kernel_long_t sem_ctime; /* last change time */ + __kernel_ulong_t __unused2; +#endif + __kernel_ulong_t sem_nsems; /* no. of semaphores in array */ + __kernel_ulong_t __unused3; + __kernel_ulong_t __unused4; +}; + +#endif /* _ASM_X86_SEMBUF_H */ |