sembuf.h

Go to the documentation of this file.

#ifndef _ASM_POWERPC_SEMBUF_H
#define _ASM_POWERPC_SEMBUF_H

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

/*
 * The semid64_ds structure for PPC 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 */
#ifndef __powerpc64__
    unsigned long   __unused1;
#endif
    __kernel_time_t sem_otime;  /* last semop time */
#ifndef __powerpc64__
    unsigned long   __unused2;
#endif
    __kernel_time_t sem_ctime;  /* last change time */
    unsigned long   sem_nsems;  /* no. of semaphores in array */
    unsigned long   __unused3;
    unsigned long   __unused4;
};

#endif  /* _ASM_POWERPC_SEMBUF_H */