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| author | Lukas Larsson <[email protected]> | 2017-08-16 17:37:01 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2017-08-16 17:38:36 +0200 |
| commit | ddb348c31e75bfa895c0959ef1e16c9e43917e8a (patch) | |
| tree | 3e38581a35fec11b4fb794f3486c02e717c5961d /erts/emulator/beam/erl_nif.c | |
| parent | 856eb2e75ec0ed37c7dedaeb0772803988ffee82 (diff) | |
| parent | 33b3697ae98147e0470d8d08bca6c51042dcb3d1 (diff) | |
| download | otp-ddb348c31e75bfa895c0959ef1e16c9e43917e8a.tar.gz otp-ddb348c31e75bfa895c0959ef1e16c9e43917e8a.tar.bz2 otp-ddb348c31e75bfa895c0959ef1e16c9e43917e8a.zip | |
Merge branch 'maint'
Conflicts:
erts/emulator/beam/erl_nif.c
erts/emulator/beam/erl_process.c
Diffstat (limited to 'erts/emulator/beam/erl_nif.c')
| -rw-r--r-- | erts/emulator/beam/erl_nif.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 9ffb53d532..05bcf73451 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -587,6 +587,10 @@ int erts_flush_trace_messages(Process *c_p, ErtsProcLocks c_p_locks) ErlTraceMessageQueue *msgq, **last_msgq; int reds = 0; + /* Only one thread at a time is allowed to flush trace messages, + so we require the main lock to be held when doing the flush */ + ERTS_CHK_HAVE_ONLY_MAIN_PROC_LOCK(c_p); + erts_proc_lock(c_p, ERTS_PROC_LOCK_TRACE); msgq = c_p->trace_msg_q; |