Add comment about GNUWin32's cp not having the file system problem.

diff --git a/contrib/pg_standby/pg_standby.c b/contrib/pg_standby/pg_standby.c
index 82c850f41ecc52382c2b90387972d1cf351858a0..1d4e291d3fdfb68df9b7f1adbee1b7f8ebd0e62e 100644 (file)
--- a/contrib/pg_standby/pg_standby.c
+++ b/contrib/pg_standby/pg_standby.c
@@ -183,7 +183,8 @@ CustomizableNextWALFileReady()
                         * even though the file is still being copied and cannot be opened
                         * by pg_standby yet. So we wait for sleeptime secs before
                         * attempting to restore. If that is not enough, we will rely on
-                        * the retry/holdoff mechanism.
+                        * the retry/holdoff mechanism.  GNUWin32's cp does not have
+                        * this problem.
                         */
                        pg_usleep(sleeptime * 1000000L);
 #endif