diff options
Diffstat (limited to 'lib/tsan/rtl/tsan_rtl_thread.cc')
| -rw-r--r-- | lib/tsan/rtl/tsan_rtl_thread.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/tsan/rtl/tsan_rtl_thread.cc b/lib/tsan/rtl/tsan_rtl_thread.cc index 66c78cfdd7c0..dcae255f7643 100644 --- a/lib/tsan/rtl/tsan_rtl_thread.cc +++ b/lib/tsan/rtl/tsan_rtl_thread.cc @@ -55,6 +55,8 @@ void ThreadContext::OnCreated(void *arg) { if (tid == 0) return; OnCreatedArgs *args = static_cast<OnCreatedArgs *>(arg); + if (!args->thr) // GCD workers don't have a parent thread. + return; args->thr->fast_state.IncrementEpoch(); // Can't increment epoch w/o writing to the trace as well. TraceAddEvent(args->thr, args->thr->fast_state, EventTypeMop, 0); @@ -231,8 +233,10 @@ int ThreadCount(ThreadState *thr) { int ThreadCreate(ThreadState *thr, uptr pc, uptr uid, bool detached) { StatInc(thr, StatThreadCreate); OnCreatedArgs args = { thr, pc }; - int tid = ctx->thread_registry->CreateThread(uid, detached, thr->tid, &args); - DPrintf("#%d: ThreadCreate tid=%d uid=%zu\n", thr->tid, tid, uid); + u32 parent_tid = thr ? thr->tid : kInvalidTid; // No parent for GCD workers. + int tid = + ctx->thread_registry->CreateThread(uid, detached, parent_tid, &args); + DPrintf("#%d: ThreadCreate tid=%d uid=%zu\n", parent_tid, tid, uid); StatSet(thr, StatThreadMaxAlive, ctx->thread_registry->GetMaxAliveThreads()); return tid; } |