arch/sparc/include/asm/sembuf.h

   1 #ifndef _SPARC_SEMBUF_H
   2 #define _SPARC_SEMBUF_H
   3
   4 /*
   5  * The semid64_ds structure for sparc architecture.
   6  * Note extra padding because this structure is passed back and forth
   7  * between kernel and user space.
   8  *
   9  * Pad space is left for:
  10  * - 64-bit time_t to solve y2038 problem
  11  * - 2 miscellaneous 32-bit values
  12  */
  13 #if defined(__sparc__) && defined(__arch64__)
  14 # define PADDING(x)
  15 #else
  16 # define PADDING(x) unsigned int x;
  17 #endif
  18
  19 struct semid64_ds {
  20         struct ipc64_perm sem_perm;             /* permissions .. see ipc.h */
  21         PADDING(__pad1)
  22         __kernel_time_t sem_otime;              /* last semop time */
  23         PADDING(__pad2)
  24         __kernel_time_t sem_ctime;              /* last change time */
  25         unsigned long   sem_nsems;              /* no. of semaphores in array */
  26         unsigned long   __unused1;
  27         unsigned long   __unused2;
  28 };
  29 #undef PADDING
  30
  31 #endif /* _SPARC64_SEMBUF_H */