msgbuf.h

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/*
 * include/asm-xtensa/msgbuf.h
 *
 * The msqid64_ds structure for the Xtensa 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
 *
 * This file is subject to the terms and conditions of the GNU General
 * Public License.  See the file "COPYING" in the main directory of
 * this archive for more details.
 */

#ifndef _XTENSA_MSGBUF_H
#define _XTENSA_MSGBUF_H

struct msqid64_ds {
    struct ipc64_perm msg_perm;
#ifdef __XTENSA_EB__
    unsigned int    __unused1;
    __kernel_time_t msg_stime;  /* last msgsnd time */
    unsigned int    __unused2;
    __kernel_time_t msg_rtime;  /* last msgrcv time */
    unsigned int    __unused3;
    __kernel_time_t msg_ctime;  /* last change time */
#elif defined(__XTENSA_EL__)
    __kernel_time_t msg_stime;  /* last msgsnd time */
    unsigned int    __unused1;
    __kernel_time_t msg_rtime;  /* last msgrcv time */
    unsigned int    __unused2;
    __kernel_time_t msg_ctime;  /* last change time */
    unsigned int    __unused3;
#else
# error processor byte order undefined!
#endif
    unsigned long  msg_cbytes;  /* current number of bytes on queue */
    unsigned long  msg_qnum;    /* number of messages in queue */
    unsigned long  msg_qbytes;  /* max number of bytes on queue */
    __kernel_pid_t msg_lspid;   /* pid of last msgsnd */
    __kernel_pid_t msg_lrpid;   /* last receive pid */
    unsigned long  __unused4;
    unsigned long  __unused5;
};

#endif  /* _XTENSA_MSGBUF_H */