* io.c (rb_io_flush): fsync() after buffer is flushed on win32.

	  backported from trunk.  [ruby-core:20043]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@24223 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/io.c b/io.c
index 59b47edb55..56e87f0533 100644
--- a/io.c
+++ b/io.c
@@ -652,6 +652,9 @@ rb_io_flush(io)
     f = GetWriteFile(fptr);
 
     io_fflush(f, fptr);
+#ifdef _WIN32
+    fsync(fileno(f));
+#endif
 
     return io;
 }