Roll forward to cl/318932159

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: Ic18f5d83a59deaf81afec14dcf2187b8c70195eb

cpp/platform_v2/impl/g3/BUILD

@@ -45,7 +45,6 @@ cc_library(
         "//absl/base:core_headers",
         "//absl/synchronization",
         "//absl/time",
-        "//absl/types:any",
         "//thread",
     ],
 )

cpp/platform_v2/impl/g3/condition_variable.h

@@ -34,9 +34,8 @@ class ConditionVariable : public api::ConditionVariable {
     return {Exception::kSuccess};
   }
   Exception Wait(absl::Duration timeout) override {
-    return cond_var_.WaitWithTimeout(mutex_, timeout)
-               ? Exception{Exception::kTimeout}
-               : Exception{Exception::kSuccess};
+    cond_var_.WaitWithTimeout(mutex_, timeout);
+    return {Exception::kSuccess};
   }
   void Notify() override { cond_var_.SignalAll(); }
 

cpp/platform_v2/impl/g3/multi_thread_executor.h

@@ -47,6 +47,11 @@ class MultiThreadExecutor : public api::SubmittableExecutor {
   void Shutdown() override { DoShutdown(); }
   ~MultiThreadExecutor() override { DoShutdown(); }
 
+  int GetTid(int index) const override {
+    const auto* thread = thread_pool_.thread(index);
+    return thread ? thread->tid() : 0;
+  }
+
   void ScheduleAfter(absl::Duration delay, Runnable&& runnable) {
     if (shutdown_) return;
     thread_pool_.ScheduleAt(absl::Now() + delay, std::move(runnable));

cpp/platform_v2/impl/g3/platform.cc

@@ -61,6 +61,11 @@ std::string GetPayloadPath(PayloadId payload_id) {
 }
 }  // namespace
 
+int GetCurrentTid() {
+  const LiveThread* my = Thread_GetMyLiveThread();
+  return LiveThread_Pthread_TID(my);
+}
+
 std::unique_ptr<SubmittableExecutor>
 ImplementationPlatform::CreateSingleThreadExecutor() {
   return absl::make_unique<g3::SingleThreadExecutor>();

cpp/platform_v2/impl/g3/scheduled_executor.h

@@ -45,6 +45,9 @@ class ScheduledExecutor final : public api::ScheduledExecutor {
                                             absl::Duration delay) override;
   void Shutdown() override { executor_.Shutdown(); }
 
+  int GetTid(int index) const override {
+    return executor_.GetTid(index);
+  }
  private:
   SingleThreadExecutor executor_;
 };

cpp/platform_v2/impl/shared/BUILD

@@ -65,5 +65,6 @@ cc_test(
         "//file/util:temp_path",
         "//platform_v2/base",
         "//testing/base/public:gunit_main",
+        "//absl/strings",
     ],
 )

cpp/platform_v2/impl/shared/file_test.cc

@@ -22,6 +22,7 @@
 #include "file/util/temp_path.h"
 #include "platform_v2/base/byte_array.h"
 #include "gtest/gtest.h"
+#include "absl/strings/string_view.h"
 
 namespace location {
 namespace nearby {
@@ -36,7 +37,7 @@ class FileTest : public ::testing::Test {
     file_ = std::fstream(path_, std::fstream::in | std::fstream::out);
   }
 
-  void WriteToFile(const std::string& text) {
+  void WriteToFile(absl::string_view text) {
     file_ << text;
     file_.flush();
     size_ += text.size();