From e2f8ea2809e8026f35a8e5e5d9b14b49c0f1e32f Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Mon, 13 Feb 2017 12:36:46 +0100
Subject: [PATCH] When renaming the exported G-code (removing the .tmp suffix),
 some other application (thank you, Windows Explorer) may keep the file
 locked. Try to wait a bit and then rename the file again.

---
 lib/Slic3r/Print.pm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/Slic3r/Print.pm b/lib/Slic3r/Print.pm
index 7fc2bdd86..e2b328474 100644
--- a/lib/Slic3r/Print.pm
+++ b/lib/Slic3r/Print.pm
@@ -419,7 +419,13 @@ sub write_gcode {
     close $fh;
     
     if ($tempfile) {
-        rename $tempfile, $file;
+        my $i;
+        for ($i = 0; $i < 5; $i += 1)  {
+            last if (rename $tempfile, $file);
+            # Wait for 1/4 seconds and try to rename once again.
+            select(undef, undef, undef, 0.25);
+        }
+        Slic3r::debugf "Faild t remove the output G-code file from $tempfile to $file. Is $tempfile locked?\n" if ($i == 5);
     }
 }