From 6e4656cc95ad504a42080bcaf8afc80fec7be2d6 Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Thu, 7 Nov 2019 11:45:21 -0500
Subject: [PATCH] rts/nonmoving: Catch failure of createOSThread
---
rts/sm/NonMoving.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/rts/sm/NonMoving.c b/rts/sm/NonMoving.c
index 50cf784aab61..20ec5a45bac2 100644
--- a/rts/sm/NonMoving.c
+++ b/rts/sm/NonMoving.c
@@ -896,8 +896,10 @@ void nonmovingCollect(StgWeak **dead_weaks, StgTSO **resurrected_threads)
concurrent_coll_running = true;
nonmoving_write_barrier_enabled = true;
debugTrace(DEBUG_nonmoving_gc, "Starting concurrent mark thread");
- createOSThread(&mark_thread, "non-moving mark thread",
- nonmovingConcurrentMark, mark_queue);
+ if (createOSThread(&mark_thread, "non-moving mark thread",
+ nonmovingConcurrentMark, mark_queue) != 0) {
+ barf("nonmovingCollect: failed to spawn mark thread: %s", strerror(errno));
+ }
} else {
nonmovingConcurrentMark(mark_queue);
}
--
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