Add Semaphore::TimedWait()

util/synchronization/semaphore_test.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 12 matching lines @@
 namespace crashpad {
 namespace test {
 namespace {
 
 TEST(Semaphore, Simple) {
   Semaphore semaphore(1);
   semaphore.Wait();
   semaphore.Signal();
 }
 
+TEST(Semaphore, TimedWait) {
+  Semaphore semaphore(0);
+  semaphore.Signal();
+  EXPECT_TRUE(semaphore.TimedWait(0.01));  // 10ms
+}
+
+TEST(Semaphore, TimedWaitTimeout) {
+  Semaphore semaphore(0);
+  EXPECT_FALSE(semaphore.TimedWait(0.01));  // 10ms
+}
+
 struct ThreadMainInfo {
 #if defined(OS_POSIX)
   pthread_t pthread;
 #elif defined(OS_WIN)
   HANDLE thread;
 #endif
   Semaphore* semaphore;
   size_t iterations;
 };
 
@@ skipping 68 matching lines @@
   }
 
   for (size_t index = 0; index < kThreads; ++index) {
     JoinThread(&info[index]);
   }
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace crashpad