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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-22 19:34:09 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-22 19:34:09 +0100
commitf20e3b5fe7ead0615309433260b9784d8da0bbbd (patch)
treeeabb2e47a0355ac4e8024b7087b4e7cb9f324358 /arch/parisc/include/asm/shmbuf.h
parentbcbfe664e7af019e698cef2feb85ac2b4f1ac11d (diff)
parentf030d7b65e4e6399f23de2a41a58d1b607b6bd89 (diff)
downloadblackbird-op-linux-f20e3b5fe7ead0615309433260b9784d8da0bbbd.tar.gz
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Merge branch 'for-rmk' of git://git.android.com/kernel into devel
Diffstat (limited to 'arch/parisc/include/asm/shmbuf.h')
-rw-r--r--arch/parisc/include/asm/shmbuf.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/shmbuf.h b/arch/parisc/include/asm/shmbuf.h
new file mode 100644
index 000000000000..0a3eada1863b
--- /dev/null
+++ b/arch/parisc/include/asm/shmbuf.h
@@ -0,0 +1,58 @@
+#ifndef _PARISC_SHMBUF_H
+#define _PARISC_SHMBUF_H
+
+/*
+ * The shmid64_ds structure for parisc 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
+ */
+
+struct shmid64_ds {
+ struct ipc64_perm shm_perm; /* operation perms */
+#ifndef CONFIG_64BIT
+ unsigned int __pad1;
+#endif
+ __kernel_time_t shm_atime; /* last attach time */
+#ifndef CONFIG_64BIT
+ unsigned int __pad2;
+#endif
+ __kernel_time_t shm_dtime; /* last detach time */
+#ifndef CONFIG_64BIT
+ unsigned int __pad3;
+#endif
+ __kernel_time_t shm_ctime; /* last change time */
+#ifndef CONFIG_64BIT
+ unsigned int __pad4;
+#endif
+ 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 int shm_nattch; /* no. of current attaches */
+ unsigned int __unused1;
+ unsigned int __unused2;
+};
+
+#ifdef CONFIG_64BIT
+/* The 'unsigned int' (formerly 'unsigned long') data types below will
+ * ensure that a 32-bit app calling shmctl(*,IPC_INFO,*) will work on
+ * a wide kernel, but if some of these values are meant to contain pointers
+ * they may need to be 'long long' instead. -PB XXX FIXME
+ */
+#endif
+struct shminfo64 {
+ unsigned int shmmax;
+ unsigned int shmmin;
+ unsigned int shmmni;
+ unsigned int shmseg;
+ unsigned int shmall;
+ unsigned int __unused1;
+ unsigned int __unused2;
+ unsigned int __unused3;
+ unsigned int __unused4;
+};
+
+#endif /* _PARISC_SHMBUF_H */
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