2d1419624c
Padding in the shmbuf structure made conditional
as only 32 bit sparc did so.
:$ diff -u include/asm-sparc/shmbuf.h include/asm-sparc64/shmbuf.h
:-- include/asm-sparc/shmbuf.h 2008-06-13 06:42:07.000000000 +0200
:++ include/asm-sparc64/shmbuf.h 2008-06-13 06:42:07.000000000 +0200
:@@ -1,23 +1,19 @@
:-#ifndef _SPARC_SHMBUF_H
:-#define _SPARC_SHMBUF_H
:+#ifndef _SPARC64_SHMBUF_H
:+#define _SPARC64_SHMBUF_H
:
: /*
:- * The shmid64_ds structure for sparc architecture.
:+ * The shmid64_ds structure for sparc64 architecture.
: * Note extra padding because this structure is passed back and forth
: * 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 shmid64_ds {
: struct ipc64_perm shm_perm; /* operation perms */
:- unsigned int __pad1;
: __kernel_time_t shm_atime; /* last attach time */
:- unsigned int __pad2;
: __kernel_time_t shm_dtime; /* last detach time */
:- unsigned int __pad3;
: __kernel_time_t shm_ctime; /* last change time */
: size_t shm_segsz; /* size of segment (bytes) */
: __kernel_pid_t shm_cpid; /* pid of creator */
:@@ -39,4 +35,4 @@
: unsigned long __unused4;
: };
:
:-#endif /* _SPARC_SHMBUF_H */
:+#endif /* _SPARC64_SHMBUF_H */
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
#ifndef _SPARC_SHMBUF_H
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#define _SPARC_SHMBUF_H
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/*
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* The shmid64_ds structure for sparc 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 shmid64_ds {
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struct ipc64_perm shm_perm; /* operation perms */
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PADDING(__pad1)
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__kernel_time_t shm_atime; /* last attach time */
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PADDING(__pad2)
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__kernel_time_t shm_dtime; /* last detach time */
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PADDING(__pad3)
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__kernel_time_t shm_ctime; /* last change time */
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size_t shm_segsz; /* size of segment (bytes) */
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__kernel_pid_t shm_cpid; /* pid of creator */
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__kernel_pid_t shm_lpid; /* pid of last operator */
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unsigned long shm_nattch; /* no. of current attaches */
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unsigned long __unused1;
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unsigned long __unused2;
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};
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struct shminfo64 {
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unsigned long shmmax;
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unsigned long shmmin;
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unsigned long shmmni;
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unsigned long shmseg;
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unsigned long shmall;
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unsigned long __unused1;
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unsigned long __unused2;
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unsigned long __unused3;
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unsigned long __unused4;
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};
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#undef PADDING
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#endif /* _SPARC_SHMBUF_H */
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