tsan: implement new version of standalong deadlock detector
intercept pthread_cond (it is required to properly track state of mutexes)
detect cycles in mutex graph
llvm-svn: 202975
diff --git a/compiler-rt/lib/tsan/rtl/tsan_sync.cc b/compiler-rt/lib/tsan/rtl/tsan_sync.cc
index 1fe72c8..5ca6b15 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_sync.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_sync.cc
@@ -17,6 +17,8 @@
namespace __tsan {
+void DDMutexInit(ThreadState *thr, uptr pc, SyncVar *s);
+
SyncVar::SyncVar(uptr addr, u64 uid)
: mtx(MutexTypeSyncVar, StatMtxSyncVar)
, addr(addr)
@@ -58,7 +60,6 @@
}
SyncVar* SyncTab::Create(ThreadState *thr, uptr pc, uptr addr) {
- Context *ctx = CTX();
StatInc(thr, StatSyncCreated);
void *mem = internal_alloc(MBlockSync, sizeof(SyncVar));
const u64 uid = atomic_fetch_add(&uid_gen_, 1, memory_order_relaxed);
@@ -67,7 +68,7 @@
res->creation_stack_id = CurrentStackId(thr, pc);
#endif
if (flags()->detect_deadlocks)
- ctx->dd->MutexInit(&res->dd, res->creation_stack_id, res->GetId());
+ DDMutexInit(thr, pc, res);
return res;
}