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[ARM,MIPS,M68K] O_SYNC fcntl.h updates


This patch updates O_SYNC in bits/fcntl.h headers in line with recent libc 
and kernel changes.  (The previously used value had only O_DSYNC semantics 
and keeps those for binary compatibility, so is kept as the value of 
O_DSYNC, but O_SYNC gets a new value which has full O_SYNC semantics in 
new kernels.)

I've committed the ARM and MIPS changes; OK to commit the M68K ones?  
Other ports maintainers will also need to update their ports; HPPA will 
need special care in view of the "Note that parisc really screwed up their 
headers" in the commit message for the relevant kernel patch.

diff --git a/ChangeLog.arm b/ChangeLog.arm
index c20b095..03bfd34 100644
--- a/ChangeLog.arm
+++ b/ChangeLog.arm
@@ -1,3 +1,8 @@
+2009-12-15  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/arm/bits/fcntl.h: Redefine O_SYNC and
+	O_DSYNC to match 2.6.33+ kernels.
+
 2009-11-19  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/arm/bits/fcntl.h: Introduce new symbol
diff --git a/ChangeLog.m68k b/ChangeLog.m68k
index 42d6a91..b1eb009 100644
--- a/ChangeLog.m68k
+++ b/ChangeLog.m68k
@@ -1,3 +1,8 @@
+2009-12-15  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/m68k/bits/fcntl.h: Redefine O_SYNC and
+	O_DSYNC to match 2.6.33+ kernels.
+
 2009-11-23  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* sysdeps/unix/sysv/linux/m68k/bits/stat.h: Use struct timespec
diff --git a/ChangeLog.mips b/ChangeLog.mips
index b3125f4..9dfe2a5 100644
--- a/ChangeLog.mips
+++ b/ChangeLog.mips
@@ -1,3 +1,8 @@
+2009-12-15  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Redefine O_SYNC and
+	O_DSYNC to match 2.6.33+ kernels.
+
 2009-12-09  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/mips/bits/socket.h: Define mmsghdr and
diff --git a/sysdeps/unix/sysv/linux/arm/bits/fcntl.h b/sysdeps/unix/sysv/linux/arm/bits/fcntl.h
index d597c10..4971473 100644
--- a/sysdeps/unix/sysv/linux/arm/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/arm/bits/fcntl.h
@@ -41,7 +41,7 @@
 #define O_APPEND	  02000
 #define O_NONBLOCK	  04000
 #define O_NDELAY	O_NONBLOCK
-#define O_SYNC		 010000
+#define O_SYNC	       04010000
 #define O_FSYNC		 O_SYNC
 #define O_ASYNC		 020000
 
@@ -57,7 +57,7 @@
    We define the symbols here but let them do the same as O_SYNC since
    this is a superset.	*/
 #if defined __USE_POSIX199309 || defined __USE_UNIX98
-# define O_DSYNC	O_SYNC	/* Synchronize data.  */
+# define O_DSYNC	010000	/* Synchronize data.  */
 # define O_RSYNC	O_SYNC	/* Synchronize read operations.	 */
 #endif
 
diff --git a/sysdeps/unix/sysv/linux/m68k/bits/fcntl.h b/sysdeps/unix/sysv/linux/m68k/bits/fcntl.h
index 8ed8eb6..1f98cf5 100644
--- a/sysdeps/unix/sysv/linux/m68k/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/m68k/bits/fcntl.h
@@ -40,7 +40,7 @@
 #define O_APPEND	  02000
 #define O_NONBLOCK	  04000
 #define O_NDELAY	O_NONBLOCK
-#define O_SYNC		 010000
+#define O_SYNC	       04010000
 #define O_FSYNC		 O_SYNC
 #define O_ASYNC		 020000
 
@@ -56,7 +56,7 @@
    We define the symbols here but let them do the same as O_SYNC since
    this is a superset.	*/
 #if defined __USE_POSIX199309 || defined __USE_UNIX98
-# define O_DSYNC	O_SYNC	/* Synchronize data.  */
+# define O_DSYNC	010000	/* Synchronize data.  */
 # define O_RSYNC	O_SYNC	/* Synchronize read operations.	 */
 #endif
 
diff --git a/sysdeps/unix/sysv/linux/mips/bits/fcntl.h b/sysdeps/unix/sysv/linux/mips/bits/fcntl.h
index 5496912..24fb974 100644
--- a/sysdeps/unix/sysv/linux/mips/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/mips/bits/fcntl.h
@@ -36,7 +36,7 @@
 #define O_WRONLY	     01
 #define O_RDWR		     02
 #define O_APPEND	 0x0008
-#define O_SYNC		 0x0010
+#define O_SYNC		 0x4010
 #define O_NONBLOCK	 0x0080
 #define O_NDELAY	O_NONBLOCK
 #define O_CREAT		 0x0100	/* not fcntl */
@@ -58,7 +58,7 @@
    We define the symbols here but let them do the same as O_SYNC since
    this is a superset.	*/
 #if defined __USE_POSIX199309 || defined __USE_UNIX98
-# define O_DSYNC	O_SYNC	/* Synchronize data.  */
+# define O_DSYNC	0x0010	/* Synchronize data.  */
 # define O_RSYNC	O_SYNC	/* Synchronize read operations.	 */
 #endif
 

-- 
Joseph S. Myers
joseph@codesourcery.com


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