From e9079ab31dacfc5ba359184ce7d6a25b2e235468 Mon Sep 17 00:00:00 2001
From: Matt Paras <matthewparas2020@u.northwestern.edu>
Date: Sun, 27 Oct 2024 13:07:01 -0700
Subject: [PATCH] fix main thread getting stuck at interrupts

---
 crates/steel-core/src/steel_vm/vm.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/crates/steel-core/src/steel_vm/vm.rs b/crates/steel-core/src/steel_vm/vm.rs
index 79a9451c2..90e9c4d1d 100644
--- a/crates/steel-core/src/steel_vm/vm.rs
+++ b/crates/steel-core/src/steel_vm/vm.rs
@@ -572,13 +572,19 @@ impl SteelThread {
         let res = finish(self);
 
         if cfg!(feature = "sync") {
-            // Just block here until we're out
+            // Just block here until we're out - this only applies if we're not the main thread and
+            // not in garbage collection
             while self
                 .synchronizer
                 .state
                 .paused
                 .load(std::sync::atomic::Ordering::Relaxed)
             {
+                match self.synchronizer.state.state.load() {
+                    ThreadState::Interrupted => break,
+                    _ => {}
+                }
+
                 std::thread::park();
             }