From 172751cd424a0dec78a98105fbb5be6a8cb6f3b1 Mon Sep 17 00:00:00 2001
From: Greyson Parrelli <greyson@signal.org>
Date: Tue, 15 Mar 2022 12:57:10 -0400
Subject: [PATCH] Iterate over a snapshot of transaction listeners.

---
 .../org/thoughtcrime/securesms/database/SQLiteDatabase.java    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/org/thoughtcrime/securesms/database/SQLiteDatabase.java b/app/src/main/java/org/thoughtcrime/securesms/database/SQLiteDatabase.java
index b21193b1b6..618dcc56a7 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/database/SQLiteDatabase.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/database/SQLiteDatabase.java
@@ -13,6 +13,7 @@ import net.zetetic.database.sqlcipher.SQLiteTransactionListener;
 import org.signal.core.util.tracing.Tracer;
 
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.Locale;
 import java.util.Map;
@@ -201,7 +202,7 @@ public class SQLiteDatabase {
           @Override
           public void onCommit() {
             Set<Runnable> tasks = getPostTransactionTasks();
-            for (Runnable r : tasks) {
+            for (Runnable r : new HashSet<>(tasks)) {
               r.run();
             }
             tasks.clear();