From fc0477a67641b9ba344de595b7fec2431208f8e6 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Tue, 24 Jan 2017 19:50:25 +0100 Subject: Atomic reference count of binaries also in non-SMP NIF resources was not handled in a thread-safe manner in the runtime system without SMP support. As a consequence of this fix, the following driver functions are now thread-safe also in the runtime system without SMP support: - driver_free_binary() - driver_realloc_binary() - driver_binary_get_refc() - driver_binary_inc_refc() - driver_binary_dec_refc() --- erts/emulator/beam/erl_monitors.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'erts/emulator/beam/erl_monitors.c') diff --git a/erts/emulator/beam/erl_monitors.c b/erts/emulator/beam/erl_monitors.c index 910598690d..c207dea10f 100644 --- a/erts/emulator/beam/erl_monitors.c +++ b/erts/emulator/beam/erl_monitors.c @@ -104,7 +104,7 @@ do { \ (*((Hp)++)) = boxed_val((From))[i__]; \ if (is_external((To))) { \ external_thing_ptr((To))->next = NULL; \ - erts_refc_inc(&(external_thing_ptr((To))->node->refc), 2);\ + erts_smp_refc_inc(&(external_thing_ptr((To))->node->refc), 2);\ } \ } \ } while (0) -- cgit v1.2.3