From d4232cf08b6b48e9acea2d8e3cd842c329c583f3 Mon Sep 17 00:00:00 2001
From: Mike Gelfand <mikedld@mikedld.com>
Date: Wed, 25 Nov 2015 21:53:26 +0000
Subject: [PATCH] #6022: Prevent stack overflow when stallness changes for lots
 of torrents at the same time

---
 macosx/Torrent.m | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/macosx/Torrent.m b/macosx/Torrent.m
index c19c58e7f..c6bd81596 100644
--- a/macosx/Torrent.m
+++ b/macosx/Torrent.m
@@ -325,8 +325,12 @@ bool trashDataFile(const char * filename, tr_error ** error)
     
     //make sure the "active" filter is updated when stalled-ness changes
     if (wasStalled != [self isStalled])
-        [[NSNotificationCenter defaultCenter] postNotificationName: @"UpdateQueue" object: self];
-    
+        //posting asynchronously with coalescing to prevent stack overflow on lots of torrents changing state at the same time
+        [[NSNotificationQueue defaultQueue] enqueueNotification: [NSNotification notificationWithName: @"UpdateQueue" object: self]
+                                                   postingStyle: NSPostASAP
+                                                   coalesceMask: NSNotificationCoalescingOnName
+                                                       forModes: nil];
+
     //when the torrent is first loaded, update the time machine exclusion
     if (!fTimeMachineExcludeInitialized)
         [self updateTimeMachineExclude];