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authorThomas Gleixner <tglx@linutronix.de>2007-10-23 22:37:24 +0200
committerThomas Gleixner <tglx@linutronix.de>2007-10-23 22:37:24 +0200
commit5ca3b0f1958a9f96b7d596e54145722e8d4631b9 (patch)
treee3bc61632e3ec63a07ec037b6fe51fc306cb4773 /include/asm-x86/msgbuf.h
parent2439a791977a85bea2a11736c8c7ea2e25c49597 (diff)
downloadblackbird-op-linux-5ca3b0f1958a9f96b7d596e54145722e8d4631b9.tar.gz
blackbird-op-linux-5ca3b0f1958a9f96b7d596e54145722e8d4631b9.zip
x86: merge msgbuf_32/64.h
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/msgbuf.h')
-rw-r--r--include/asm-x86/msgbuf.h50
1 files changed, 38 insertions, 12 deletions
diff --git a/include/asm-x86/msgbuf.h b/include/asm-x86/msgbuf.h
index 154f7d64e862..7e4e9481f51c 100644
--- a/include/asm-x86/msgbuf.h
+++ b/include/asm-x86/msgbuf.h
@@ -1,13 +1,39 @@
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-# include "msgbuf_32.h"
-# else
-# include "msgbuf_64.h"
-# endif
-#else
-# ifdef __i386__
-# include "msgbuf_32.h"
-# else
-# include "msgbuf_64.h"
-# endif
+#ifndef _ASM_X86_MSGBUF_H
+#define _ASM_X86_MSGBUF_H
+
+/*
+ * The msqid64_ds structure for i386 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space on i386 is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ *
+ * Pad space on x8664 is left for:
+ * - 2 miscellaneous 64-bit values
+ */
+struct msqid64_ds {
+ struct ipc64_perm msg_perm;
+ __kernel_time_t msg_stime; /* last msgsnd time */
+#ifdef __i386__
+ unsigned long __unused1;
#endif
+ __kernel_time_t msg_rtime; /* last msgrcv time */
+#ifdef __i386__
+ unsigned long __unused2;
+#endif
+ __kernel_time_t msg_ctime; /* last change time */
+#ifdef __i386__
+ unsigned long __unused3;
+#endif
+ unsigned long msg_cbytes; /* current number of bytes on queue */
+ unsigned long msg_qnum; /* number of messages in queue */
+ unsigned long msg_qbytes; /* max number of bytes on queue */
+ __kernel_pid_t msg_lspid; /* pid of last msgsnd */
+ __kernel_pid_t msg_lrpid; /* last receive pid */
+ unsigned long __unused4;
+ unsigned long __unused5;
+};
+
+#endif /* _ASM_X86_MSGBUF_H */
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