* io.c, internal.h (rb_io_flush_raw): new function to select calling

  fsync() (on Windows).

* io.c (rb_io_flush_raw): use above function.

* file.c (rb_file_truncate): use above function.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/file.c b/file.c
index 02143a147e..3594bbd431 100644
--- a/file.c
+++ b/file.c
@@ -4244,7 +4244,11 @@ rb_file_truncate(VALUE obj, VALUE len)
     if (!(fptr->mode & FMODE_WRITABLE)) {
 	rb_raise(rb_eIOError, "not opened for writing");
     }
+#ifndef _WIN32
     rb_io_flush(obj);
+#else
+    rb_io_flush_raw(obj, 0);
+#endif
 #ifdef HAVE_FTRUNCATE
     if (ftruncate(fptr->fd, pos) < 0)
 	rb_sys_fail_path(fptr->pathv);