root/include/asm-parisc/msgbuf.h

INCLUDED FROM

#ifndef _PARISC_MSGBUF_H
#define _PARISC_MSGBUF_H

/* 
 * The msqid64_ds structure for parisc architecture, copied from sparc.
 * 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 msqid64_ds {
        struct ipc64_perm msg_perm;
#ifndef CONFIG_64BIT
        unsigned int   __pad1;
#endif
        __kernel_time_t msg_stime;      /* last msgsnd time */
#ifndef CONFIG_64BIT
        unsigned int   __pad2;
#endif
        __kernel_time_t msg_rtime;      /* last msgrcv time */
#ifndef CONFIG_64BIT
        unsigned int   __pad3;
#endif
        __kernel_time_t msg_ctime;      /* last change time */
        unsigned int  msg_cbytes;       /* current number of bytes on queue */
        unsigned int  msg_qnum; /* number of messages in queue */
        unsigned int  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 int  __unused1;
        unsigned int  __unused2;
};

#endif /* _PARISC_MSGBUF_H */