From 8fc0d93ce1103c69fd964176fa0aad0c6189440d Mon Sep 17 00:00:00 2001
From: Nick Bourdakos <bourdakos@google.com>
Date: Wed, 7 Jun 2023 06:36:14 -0700
Subject: [PATCH] Fix potential deadlock by running timer callback in another
 thread

PiperOrigin-RevId: 538469916
---
 internal/platform/implementation/apple/timer.mm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/internal/platform/implementation/apple/timer.mm b/internal/platform/implementation/apple/timer.mm
index 36ac8e9c..a243bb6a 100644
--- a/internal/platform/implementation/apple/timer.mm
+++ b/internal/platform/implementation/apple/timer.mm
@@ -82,7 +82,9 @@ bool Timer::Stop() {
 
 bool Timer::FireNow() {
   if (callback_ != nil) {
-    callback_();
+    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void) {
+      callback_();
+    });
     return true;
   }
   return false;