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[PATCH] Make PowerPC64 sync_file_range a cancellation point


2011-04-08  Andreas Schwab  <schwab@linux-m68k.org>

	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sync_file_range.c:
	Make cancelable.
---
 .../sysv/linux/powerpc/powerpc64/sync_file_range.c |   16 +++++++++++++---
 1 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sync_file_range.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sync_file_range.c
index 1ca4ce6..ccbca4d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sync_file_range.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sync_file_range.c
@@ -1,5 +1,5 @@
 /* Selective file content synch'ing.
-   Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2007, 2009, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -21,7 +21,7 @@
 #include <fcntl.h>
 #include <sys/types.h>
 
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 #include <sys/syscall.h>
 
 
@@ -29,7 +29,17 @@
 int
 sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
 {
-  return INLINE_SYSCALL (sync_file_range2, 4, fd, flags, from, to);
+  if (SINGLE_THREAD_P)
+    return INLINE_SYSCALL (sync_file_range2, 4, fd, flags, from, to);
+
+  int result;
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  result = INLINE_SYSCALL (sync_file_range2, 4, fd, flags, from, to);
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
 }
 #else
 int
-- 
1.7.4.4


-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."


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