linux/arch/mips/include/asm/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 */