From d57cbf2acda9c331258ae4ed61c4843a4c17bb13 Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael@signal.org>
Date: Sat, 18 Aug 2018 13:36:43 +0200
Subject: [PATCH] main thread operation init which creates background task

// FREEBIE
---
 SignalServiceKit/src/Contacts/ContactsUpdater.m | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/SignalServiceKit/src/Contacts/ContactsUpdater.m b/SignalServiceKit/src/Contacts/ContactsUpdater.m
index 5e638e94e..82fa20fb5 100644
--- a/SignalServiceKit/src/Contacts/ContactsUpdater.m
+++ b/SignalServiceKit/src/Contacts/ContactsUpdater.m
@@ -81,10 +81,10 @@ NS_ASSUME_NONNULL_BEGIN
                            success:(void (^)(NSSet<SignalRecipient *> *recipients))success
                            failure:(void (^)(NSError *error))failure
 {
-    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
-        OWSLegacyContactDiscoveryOperation *operation =
-            [[OWSLegacyContactDiscoveryOperation alloc] initWithRecipientIdsToLookup:recipientIdsToLookup.allObjects];
+    OWSLegacyContactDiscoveryOperation *operation =
+        [[OWSLegacyContactDiscoveryOperation alloc] initWithRecipientIdsToLookup:recipientIdsToLookup.allObjects];
 
+    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
         NSArray<NSOperation *> *operationAndDependencies = [operation.dependencies arrayByAddingObject:operation];
         [self.contactIntersectionQueue addOperations:operationAndDependencies waitUntilFinished:YES];