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root/include/asm-x86/msgbuf.h

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INCLUDED FROM


#ifndef ASM_X86__MSGBUF_H
#define ASM_X86__MSGBUF_H

/*
 * The msqid64_ds structure for i386 architecture.
 * Note extra padding because this structure is passed back and forth
 * between kernel and user space.
 *
 * Pad space on i386 is left for:
 * - 64-bit time_t to solve y2038 problem
 * - 2 miscellaneous 32-bit values
 *
 * Pad space on x8664 is left for:
 * - 2 miscellaneous 64-bit values
 */
struct msqid64_ds {
        struct ipc64_perm msg_perm;
        __kernel_time_t msg_stime;      /* last msgsnd time */
#ifdef __i386__
        unsigned long   __unused1;
#endif
        __kernel_time_t msg_rtime;      /* last msgrcv time */
#ifdef __i386__
        unsigned long   __unused2;
#endif
        __kernel_time_t msg_ctime;      /* last change time */
#ifdef __i386__
        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_X86__MSGBUF_H */

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