From 9e3a08d891f085f5832f2141cc21f1374034dd20 Mon Sep 17 00:00:00 2001
From: robertl <robertl>
Date: Fri, 20 Oct 2006 14:44:58 +0000
Subject: [PATCH] Add explict unlink of position for realtime KML.

---
 kml.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/kml.c b/kml.c
index 3d6f94765..92a5e7fa8 100644
--- a/kml.c
+++ b/kml.c
@@ -278,6 +278,17 @@ kml_wr_deinit(void)
 	fclose(ofd);
 
 	if (posnfilenametmp) {
+#if __WIN32__
+		/*
+		 * This is gross.
+		 * Windows does not offer an atomic rename; we must
+		 * explictly remove the destination here which exposes
+		 * a window where a polled reader of this file could find
+		 * the file to be missing.  Windows readers will simply
+		 * have to retry on this case.
+		 */
+		unlink(posnfilename);
+#endif
 		rename(posnfilenametmp, posnfilename);
 		xfree(posnfilenametmp);
 		posnfilenametmp = NULL;
-- 
2.30.2