msgbuf.h

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#ifndef _ASM_MSGBUF_H
#define _ASM_MSGBUF_H


/*
 * The msqid64_ds structure for the MIPS architecture.
 * Note extra padding because this structure is passed back and forth
 * between kernel and user space.
 *
 * Pad space is left for:
 * - extension of time_t to 64-bit on 32-bitsystem to solve the y2038 problem
 * - 2 miscellaneous unsigned long values
 */

struct msqid64_ds {
    struct ipc64_perm msg_perm;
#if defined(CONFIG_32BIT) && !defined(CONFIG_CPU_LITTLE_ENDIAN)
    unsigned long   __unused1;
#endif
    __kernel_time_t msg_stime;  /* last msgsnd time */
#if defined(CONFIG_32BIT) && defined(CONFIG_CPU_LITTLE_ENDIAN)
    unsigned long   __unused1;
#endif
#if defined(CONFIG_32BIT) && !defined(CONFIG_CPU_LITTLE_ENDIAN)
    unsigned long   __unused2;
#endif
    __kernel_time_t msg_rtime;  /* last msgrcv time */
#if defined(CONFIG_32BIT) && defined(CONFIG_CPU_LITTLE_ENDIAN)
    unsigned long   __unused2;
#endif
#if defined(CONFIG_32BIT) && !defined(CONFIG_CPU_LITTLE_ENDIAN)
    unsigned long   __unused3;
#endif
    __kernel_time_t msg_ctime;  /* last change time */
#if defined(CONFIG_32BIT) && defined(CONFIG_CPU_LITTLE_ENDIAN)
    unsigned long   __unused3;
#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 /* _ASM_MSGBUF_H */