tsan: output tid's in reports

llvm-svn: 164998
diff --git a/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc b/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
index 0327299..387cfba 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
@@ -629,7 +629,7 @@
     while ((tid = atomic_load(&p->tid, memory_order_acquire)) == 0)
       pthread_yield();
     atomic_store(&p->tid, 0, memory_order_release);
-    ThreadStart(thr, tid);
+    ThreadStart(thr, tid, GetTid());
     CHECK_EQ(thr->in_rtl, 1);
   }
   void *res = callback(param);
diff --git a/compiler-rt/lib/tsan/rtl/tsan_report.cc b/compiler-rt/lib/tsan/rtl/tsan_report.cc
index a284a96..ded8070 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_report.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_report.cc
@@ -104,7 +104,7 @@
   TsanPrintf("  Thread %d", rt->id);
   if (rt->name)
     TsanPrintf(" '%s'", rt->name);
-  TsanPrintf(" (%s)", rt->running ? "running" : "finished");
+  TsanPrintf(" (tid=%d, %s)", rt->pid, rt->running ? "running" : "finished");
   if (rt->stack)
     TsanPrintf(" created at:");
   TsanPrintf("\n");
diff --git a/compiler-rt/lib/tsan/rtl/tsan_report.h b/compiler-rt/lib/tsan/rtl/tsan_report.h
index 20223da..696e418 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_report.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_report.h
@@ -67,6 +67,7 @@
 
 struct ReportThread {
   int id;
+  int pid;
   bool running;
   char *name;
   ReportStack *stack;
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl.cc
index 33afe3c..90e2584 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl.cc
@@ -74,6 +74,7 @@
 ThreadContext::ThreadContext(int tid)
   : tid(tid)
   , unique_id()
+  , os_id()
   , user_id()
   , thr()
   , status(ThreadStatusInvalid)
@@ -201,7 +202,7 @@
   ctx->thread_seq = 0;
   int tid = ThreadCreate(thr, 0, 0, true);
   CHECK_EQ(tid, 0);
-  ThreadStart(thr, tid);
+  ThreadStart(thr, tid, GetPid());
   CHECK_EQ(thr->in_rtl, 1);
   ctx->initialized = true;
 
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl.h b/compiler-rt/lib/tsan/rtl/tsan_rtl.h
index a56025e..f2b18e9 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl.h
@@ -327,6 +327,7 @@
 struct ThreadContext {
   const int tid;
   int unique_id;  // Non-rolling thread id.
+  int os_id;  // pid
   uptr user_id;  // Some opaque user thread id (e.g. pthread_t).
   ThreadState *thr;
   ThreadStatus status;
@@ -480,7 +481,7 @@
 void FuncExit(ThreadState *thr);
 
 int ThreadCreate(ThreadState *thr, uptr pc, uptr uid, bool detached);
-void ThreadStart(ThreadState *thr, int tid);
+void ThreadStart(ThreadState *thr, int tid, int os_id);
 void ThreadFinish(ThreadState *thr);
 int ThreadTid(ThreadState *thr, uptr pc, uptr uid);
 void ThreadJoin(ThreadState *thr, uptr pc, int tid);
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cc
index ac3194b..d179410 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cc
@@ -156,6 +156,7 @@
   ReportThread *rt = new(mem) ReportThread();
   rep_->threads.PushBack(rt);
   rt->id = tctx->tid;
+  rt->pid = tctx->os_id;
   rt->running = (tctx->status == ThreadStatusRunning);
   rt->stack = SymbolizeStack(tctx->creation_stack);
 }
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
index 8b27522..47884b4 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
@@ -137,7 +137,7 @@
   return tid;
 }
 
-void ThreadStart(ThreadState *thr, int tid) {
+void ThreadStart(ThreadState *thr, int tid, int os_id) {
   CHECK_GT(thr->in_rtl, 0);
   uptr stk_addr = 0;
   uptr stk_size = 0;
@@ -169,6 +169,7 @@
   CHECK_NE(tctx, 0);
   CHECK_EQ(tctx->status, ThreadStatusCreated);
   tctx->status = ThreadStatusRunning;
+  tctx->os_id = os_id;
   tctx->epoch0 = tctx->epoch1 + 1;
   tctx->epoch1 = (u64)-1;
   new(thr) ThreadState(CTX(), tid, tctx->unique_id,