From 3f5c2b86b7dcd1d8b5a2eacad92b659ac9709a53 Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Wed, 6 Feb 2019 20:17:39 +0100
Subject: erts: Fix faulty debug assert in enif_select

---
 erts/emulator/sys/common/erl_check_io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'erts/emulator/sys')

diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c
index c681fa481f..1f5c87c523 100644
--- a/erts/emulator/sys/common/erl_check_io.c
+++ b/erts/emulator/sys/common/erl_check_io.c
@@ -962,7 +962,7 @@ enif_select(ErlNifEnv* env,
     ErtsDrvSelectDataState *free_select = NULL;
     ErtsNifSelectDataState *free_nif = NULL;
 
-    ASSERT(!resource->monitors);
+    ASSERT(!erts_dbg_is_resource_dying(resource));
 
 #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS
     if (!grow_drv_ev_state(fd)) {
-- 
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