forked from Minki/linux
100b10d752
Padding from 32 bit sparc kept using preprocessor magic
:$ diff -u include/asm-sparc/msgbuf.h include/asm-sparc64/msgbuf.h
:-- include/asm-sparc/msgbuf.h 2008-06-13 06:42:07.000000000 +0200
:++ include/asm-sparc64/msgbuf.h 2008-06-13 06:42:07.000000000 +0200
:@@ -7,17 +7,13 @@
: * between kernel and user space.
: *
: * Pad space is left for:
:- * - 64-bit time_t to solve y2038 problem
:- * - 2 miscellaneous 32-bit values
:+ * - 2 miscellaneous 64-bit values
: */
:
: struct msqid64_ds {
: struct ipc64_perm msg_perm;
:- unsigned int __pad1;
: __kernel_time_t msg_stime; /* last msgsnd time */
:- unsigned int __pad2;
: __kernel_time_t msg_rtime; /* last msgrcv time */
:- unsigned int __pad3;
: __kernel_time_t msg_ctime; /* last change time */
: unsigned long msg_cbytes; /* current number of bytes on queue */
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
#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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