diff options
Diffstat (limited to 'include/asm-x86_64/sembuf.h')
| -rw-r--r-- | include/asm-x86_64/sembuf.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-x86_64/sembuf.h b/include/asm-x86_64/sembuf.h new file mode 100644 index 00000000000..63b52925ae2 --- /dev/null +++ b/include/asm-x86_64/sembuf.h @@ -0,0 +1,25 @@ +#ifndef _X86_64_SEMBUF_H +#define _X86_64_SEMBUF_H + +/* + * The semid64_ds structure for x86_64 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - 64-bit time_t to solve y2038 problem + * - 2 miscellaneous 32-bit values + */ + +struct semid64_ds { + struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ + __kernel_time_t sem_otime; /* last semop time */ + unsigned long __unused1; + __kernel_time_t sem_ctime; /* last change time */ + unsigned long __unused2; + unsigned long sem_nsems; /* no. of semaphores in array */ + unsigned long __unused3; + unsigned long __unused4; +}; + +#endif /* _X86_64_SEMBUF_H */ |