Backport #776 [ruby-core:20043]; Added an #ifdef _WIN32 to rb_io_flush in io.c to fsync on windows to ensure that a flush took place.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@28003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/io.c b/io.c
index dc06d1062e..bb5ea9fa82 100644
--- a/io.c
+++ b/io.c
@@ -643,7 +643,9 @@ rb_io_flush(io)
     f = GetWriteFile(fptr);
 
     io_fflush(f, fptr);
-
+#ifdef _WIN32
+    fsync(fileno(f));
+#endif
     return io;
 }