mirror of https://gitee.com/openkylin/linux.git
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
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#ifndef _SPARC_MSGBUF_H
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#define _SPARC_MSGBUF_H
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/*
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* The msqid64_ds structure for sparc64 architecture.
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* Note extra padding because this structure is passed back and forth
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* between kernel and user space.
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*
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* Pad space is left for:
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* - 64-bit time_t to solve y2038 problem
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* - 2 miscellaneous 32-bit values
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*/
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#if defined(__sparc__) && defined(__arch64__)
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# define PADDING(x)
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#else
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# define PADDING(x) unsigned int x;
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#endif
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struct msqid64_ds {
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struct ipc64_perm msg_perm;
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PADDING(__pad1)
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__kernel_time_t msg_stime; /* last msgsnd time */
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PADDING(__pad2)
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__kernel_time_t msg_rtime; /* last msgrcv time */
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PADDING(__pad3)
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__kernel_time_t msg_ctime; /* last change time */
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unsigned long msg_cbytes; /* current number of bytes on queue */
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unsigned long msg_qnum; /* number of messages in queue */
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unsigned long msg_qbytes; /* max number of bytes on queue */
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__kernel_pid_t msg_lspid; /* pid of last msgsnd */
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__kernel_pid_t msg_lrpid; /* last receive pid */
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unsigned long __unused1;
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unsigned long __unused2;
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};
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#undef PADDING
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#endif /* _SPARC_MSGBUF_H */
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