From 9ba78fcfa3dec88928df33be26821e3fd5a10727 Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>
Date: Fri, 20 Mar 2015 14:57:59 +0100
Subject: Use FlushFileBuffers in Windows

---
 include/astra/clog.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/astra/clog.h b/include/astra/clog.h
index c0cbae4..6ffb660 100644
--- a/include/astra/clog.h
+++ b/include/astra/clog.h
@@ -74,6 +74,8 @@
 #ifndef _MSC_VER
 #include <unistd.h>
 #else
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
 #include <io.h>
 #define open _open
 #define close _close
@@ -634,8 +636,13 @@ _clog_log(const char *sfile, int sline, enum clog_level level,
             free(dynbuf);
         }
 #ifndef _MSC_VER
-        // FIXME
         fsync(logger->fd);
+#else
+        HANDLE h = (HANDLE) _get_osfhandle(logger->fd);
+        if (h != INVALID_HANDLE_VALUE) {
+            // This call will fail on a console fd, but that's ok.
+            FlushFileBuffers(h);
+        }
 #endif
     }
 }
-- 
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