sembuf.h

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#ifndef _SPARC_SEMBUF_H
#define _SPARC_SEMBUF_H

/*
 * The semid64_ds structure for sparc 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
 */
#if defined(__sparc__) && defined(__arch64__)
# define PADDING(x)
#else
# define PADDING(x) unsigned int x;
#endif

struct semid64_ds {
    struct ipc64_perm sem_perm;     /* permissions .. see ipc.h */
    PADDING(__pad1)
    __kernel_time_t sem_otime;      /* last semop time */
    PADDING(__pad2)
    __kernel_time_t sem_ctime;      /* last change time */
    unsigned long   sem_nsems;      /* no. of semaphores in array */
    unsigned long   __unused1;
    unsigned long   __unused2;
};
#undef PADDING

#endif /* _SPARC64_SEMBUF_H */