usa	2011-06-02 12:35:40 +0900 (Thu, 02 Jun 2011)

  New Revision: 31901

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=31901

  Log:
    * io.c (io_flush, rb_io_flush): need to fsync() when ruby calls internal
      flush. [ruby-core:36670] [Bug #4813]

  Modified files:
    trunk/ChangeLog
    trunk/io.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 31900)
+++ ChangeLog	(revision 31901)
@@ -1,3 +1,8 @@
+Thu Jun  2 12:33:09 2011  NAKAMURA Usaku  <usa@r...>
+
+	* io.c (io_flush, rb_io_flush): need to fsync() when ruby calls internal
+	  flush. [ruby-core:36670] [Bug #4813]
+
 Thu Jun  2 07:56:24 2011  Hidetoshi NAGAI  <nagai@a...>
 
 	* ext/tk/tcltklib.c: reduce CPU power required by an eventloop.
Index: io.c
===================================================================
--- io.c	(revision 31900)
+++ io.c	(revision 31901)
@@ -682,6 +682,9 @@
 	    return -1;
         rb_io_check_closed(fptr);
     }
+#ifdef _WIN32
+    fsync(fptr->fd);
+#endif
     return 0;
 }
 
@@ -1054,9 +1057,6 @@
     if (fptr->mode & FMODE_WRITABLE) {
         if (io_fflush(fptr) < 0)
             rb_sys_fail(0);
-#ifdef _WIN32
-	fsync(fptr->fd);
-#endif
     }
     if (fptr->mode & FMODE_READABLE) {
         io_unread(fptr);

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