From 0bb8aac23842e04e522cd98ed397339675a41ad8 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Thu, 5 Apr 2018 10:21:57 +0200 Subject: Fix seq trace --- erts/emulator/beam/erl_proc_sig_queue.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/erts/emulator/beam/erl_proc_sig_queue.c b/erts/emulator/beam/erl_proc_sig_queue.c index 99d20e9242..c2da73a092 100644 --- a/erts/emulator/beam/erl_proc_sig_queue.c +++ b/erts/emulator/beam/erl_proc_sig_queue.c @@ -723,7 +723,7 @@ erts_proc_sig_fetch(Process *proc) ERTS_HDBG_CHECK_SIGNAL_PRIV_QUEUE(proc); } -void do_seq_trace_output(Eterm to, Eterm token, Eterm msg); +static void do_seq_trace_output(Eterm to, Eterm token, Eterm msg); static void send_gen_exit_signal(Process *c_p, Eterm from_tag, @@ -869,7 +869,7 @@ send_gen_exit_signal(Process *c_p, Eterm from_tag, } } -void +static void do_seq_trace_output(Eterm to, Eterm token, Eterm msg) { /* @@ -887,15 +887,17 @@ do_seq_trace_output(Eterm to, Eterm token, Eterm msg) else rp = erts_proc_lookup_raw_inc_refc(to); - erts_proc_lock(rp, ERTS_PROC_LOCK_MSGQ); + if (rp) { + erts_proc_lock(rp, ERTS_PROC_LOCK_MSGQ); - if (!ERTS_PROC_IS_EXITING(rp)) - seq_trace_output(token, msg, SEQ_TRACE_SEND, to, rp); + if (!ERTS_PROC_IS_EXITING(rp)) + seq_trace_output(token, msg, SEQ_TRACE_SEND, to, rp); - erts_proc_unlock(rp, ERTS_PROC_LOCK_MSGQ); + erts_proc_unlock(rp, ERTS_PROC_LOCK_MSGQ); - if (!is_normal_sched) - erts_proc_dec_refc(rp); + if (!is_normal_sched) + erts_proc_dec_refc(rp); + } } void -- cgit v1.2.3