From e2915bedad8579cb4f2e52db01bc7adc1477ba69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20H=C3=B6gberg?= <john@erlang.org>
Date: Tue, 13 Jun 2017 14:26:45 +0200
Subject: Assert that enqueue_later_op must not run on a dirty scheduler.

You're not supposed to do this, but it behaved correctly even with a debug
build aside from degraded performance (The scheduler started to busy-wait
for new operations rather than sleep).
---
 erts/emulator/beam/erl_process.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'erts/emulator/beam/erl_process.c')

diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index fc2b34e70f..2a988b9d2d 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -2371,7 +2371,7 @@ enqueue_later_op(ErtsSchedulerData *esdp,
 		 ErtsThrPrgrLaterOp *lop)
 {
     ErtsThrPrgrVal later = erts_thr_progress_later(esdp);
-    ASSERT(esdp);
+    ASSERT(esdp && !ERTS_SCHEDULER_IS_DIRTY(esdp));
 
     lop->func = later_func;
     lop->data = later_data;
-- 
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