From 0df79477bd2cd534ad2d89bfdbf9708c64b59eed Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 30 Aug 2016 05:59:17 +0000
Subject: * io.c (nogvl_fsync, nogvl_fdatasync): on Windows, just ignore if the
   fd is associated to non-disk device.  if call fsync and/or fdatasync   with
 such fds, it causes Errno::EBADF exception and the behavior is   incomatible
 with ruby 2.1 and earlier unintendedly introduced.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56036 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'io.c')

diff --git a/io.c b/io.c
index fbd24f6046..137bc77fb1 100644
--- a/io.c
+++ b/io.c
@@ -1533,6 +1533,10 @@ nogvl_fsync(void *ptr)
 {
     rb_io_t *fptr = ptr;
 
+#ifdef _WIN32
+    if (GetFileType((HANDLE)rb_w32_get_osfhandle(fptr->fd)) != FILE_TYPE_DISK)
+	return 0;
+#endif
     return (VALUE)fsync(fptr->fd);
 }
 #endif
@@ -1935,6 +1939,10 @@ nogvl_fdatasync(void *ptr)
 {
     rb_io_t *fptr = ptr;
 
+#ifdef _WIN32
+    if (GetFileType((HANDLE)rb_w32_get_osfhandle(fptr->fd)) != FILE_TYPE_DISK)
+	return 0;
+#endif
     return (VALUE)fdatasync(fptr->fd);
 }
 
-- 
cgit v1.2.3