diff options
| -rw-r--r-- | erts/emulator/beam/erl_process.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index a520005c35..1a66044627 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -11183,10 +11183,12 @@ erl_create_process(Process* parent, /* Parent of process (default group leader). } if (IS_TRACED_FL(p, F_TRACE_PROCS)) { - if (locks & (ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE)) { + if ((locks & (ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE)) + == (ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE)) { + /* This happens when parent was not traced, but child is */ locks &= ~(ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE); - erts_smp_proc_unlock(p, locks & (ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE)); - erts_smp_proc_unlock(parent, locks & (ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE)); + erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE); + erts_smp_proc_unlock(parent, ERTS_PROC_LOCK_STATUS|ERTS_PROC_LOCK_TRACE); } trace_proc_spawn(p, am_spawned, parent->common.id, mod, func, args); if (so->flags & SPO_LINK) |