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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-28 08:33:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-28 08:33:25 -0700
commitc32f1a34ff1097110469a240ea4539dc9c101e96 (patch)
treeeda863205e83afe54cbedcf15cdac416cdec2cf5 /arch/sparc/include/asm/shmbuf.h
parent4f31f3080943c7e3541f07df326f06d598a067d0 (diff)
parent04d91cb8163f7f946e348b2362a6e5dfa5f06b13 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc: Set CONFIG_HAVE_ARCH_TRACEHOOK sparc: Add task_pt_regs(). sparc: Add call to tracehook_signal_handler(). sparc: Create and use TIF_NOTIFY_RESUME. sparc: Use tracehook routines in syscall_trace(). sparc64: tracehook: CONFIG_HAVE_ARCH_TRACEHOOK sparc: Add user_stack_pointer(). sparc64: tracehook_signal_handler sparc64: tracehook: TIF_NOTIFY_RESUME sparc: Add asm/syscall.h sparc64: tracehook syscall sparc: enable headers_export again sparc, sparc64: use arch/sparc/include
Diffstat (limited to 'arch/sparc/include/asm/shmbuf.h')
-rw-r--r--arch/sparc/include/asm/shmbuf.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/shmbuf.h b/arch/sparc/include/asm/shmbuf.h
new file mode 100644
index 00000000000..83a16055363
--- /dev/null
+++ b/arch/sparc/include/asm/shmbuf.h
@@ -0,0 +1,50 @@
+#ifndef _SPARC_SHMBUF_H
+#define _SPARC_SHMBUF_H
+
+/*
+ * The shmid64_ds structure for sparc 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
+ */
+
+#if defined(__sparc__) && defined(__arch64__)
+# define PADDING(x)
+#else
+# define PADDING(x) unsigned int x;
+#endif
+
+struct shmid64_ds {
+ struct ipc64_perm shm_perm; /* operation perms */
+ PADDING(__pad1)
+ __kernel_time_t shm_atime; /* last attach time */
+ PADDING(__pad2)
+ __kernel_time_t shm_dtime; /* last detach time */
+ PADDING(__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 */
+ __kernel_pid_t shm_lpid; /* pid of last operator */
+ unsigned long shm_nattch; /* no. of current attaches */
+ unsigned long __unused1;
+ unsigned long __unused2;
+};
+
+struct shminfo64 {
+ unsigned long shmmax;
+ unsigned long shmmin;
+ unsigned long shmmni;
+ unsigned long shmseg;
+ unsigned long shmall;
+ unsigned long __unused1;
+ unsigned long __unused2;
+ unsigned long __unused3;
+ unsigned long __unused4;
+};
+
+#undef PADDING
+
+#endif /* _SPARC_SHMBUF_H */