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authorRickard Green <[email protected]>2012-06-04 20:47:08 +0200
committerRickard Green <[email protected]>2012-12-03 21:18:04 +0100
commit3b523c25af0df45fbf68ab3cf50c0556f1d4e0a1 (patch)
treef930df53411010192f32f351e922ea195f28d84f /erts/emulator/beam/erl_bif_trace.c
parent6da93c20472f5d13b34a40ca53cba4fe6f352d24 (diff)
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Atomic port state
Diffstat (limited to 'erts/emulator/beam/erl_bif_trace.c')
-rw-r--r--erts/emulator/beam/erl_bif_trace.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c
index 3baac1572a..01d714d57f 100644
--- a/erts/emulator/beam/erl_bif_trace.c
+++ b/erts/emulator/beam/erl_bif_trace.c
@@ -680,7 +680,9 @@ Eterm trace_3(BIF_ALIST_3)
/* tracing of ports */
for (i = 0; i < erts_max_ports; i++) {
Port *tracee_port = &erts_port[i];
- if (tracee_port->status & ERTS_PORT_SFLGS_DEAD) continue;
+ erts_aint32_t state;
+ state = erts_smp_atomic32_read_nob(&tracee_port->state);
+ if (state & ERTS_PORT_SFLGS_DEAD) continue;
if (tracer != NIL) {
if (tracee_port->id == tracer) continue;
if (port_already_traced(NULL, tracee_port, tracer)) continue;