1965aae3c9
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
#ifndef _ASM_X86_MSGBUF_H
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#define _ASM_X86_MSGBUF_H
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/*
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* The msqid64_ds structure for i386 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 on i386 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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* Pad space on x8664 is left for:
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* - 2 miscellaneous 64-bit values
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*/
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struct msqid64_ds {
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struct ipc64_perm msg_perm;
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__kernel_time_t msg_stime; /* last msgsnd time */
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#ifdef __i386__
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unsigned long __unused1;
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#endif
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__kernel_time_t msg_rtime; /* last msgrcv time */
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#ifdef __i386__
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unsigned long __unused2;
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#endif
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__kernel_time_t msg_ctime; /* last change time */
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#ifdef __i386__
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unsigned long __unused3;
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#endif
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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 __unused4;
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unsigned long __unused5;
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};
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#endif /* _ASM_X86_MSGBUF_H */
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