1 // Copyright 2011 the V8 project authors. All rights reserved. 2 // 3 // Tests of fast TLS support. 4 5 #include "v8.h" 6 7 #include "cctest.h" 8 #include "checks.h" 9 #include "platform.h" 10 11 using v8::internal::Thread; 12 13 static const int kValueCount = 128; 14 15 static Thread::LocalStorageKey keys[kValueCount]; 16 17 static void* GetValue(int num) { 18 return reinterpret_cast<void*>(static_cast<intptr_t>(num + 1)); 19 } 20 21 static void DoTest() { 22 for (int i = 0; i < kValueCount; i++) { 23 CHECK(!Thread::HasThreadLocal(keys[i])); 24 } 25 for (int i = 0; i < kValueCount; i++) { 26 Thread::SetThreadLocal(keys[i], GetValue(i)); 27 } 28 for (int i = 0; i < kValueCount; i++) { 29 CHECK(Thread::HasThreadLocal(keys[i])); 30 } 31 for (int i = 0; i < kValueCount; i++) { 32 CHECK_EQ(GetValue(i), Thread::GetThreadLocal(keys[i])); 33 CHECK_EQ(GetValue(i), Thread::GetExistingThreadLocal(keys[i])); 34 } 35 for (int i = 0; i < kValueCount; i++) { 36 Thread::SetThreadLocal(keys[i], GetValue(kValueCount - i - 1)); 37 } 38 for (int i = 0; i < kValueCount; i++) { 39 CHECK(Thread::HasThreadLocal(keys[i])); 40 } 41 for (int i = 0; i < kValueCount; i++) { 42 CHECK_EQ(GetValue(kValueCount - i - 1), 43 Thread::GetThreadLocal(keys[i])); 44 CHECK_EQ(GetValue(kValueCount - i - 1), 45 Thread::GetExistingThreadLocal(keys[i])); 46 } 47 } 48 49 class TestThread : public Thread { 50 public: 51 TestThread() : Thread("TestThread") {} 52 53 virtual void Run() { 54 DoTest(); 55 } 56 }; 57 58 TEST(FastTLS) { 59 for (int i = 0; i < kValueCount; i++) { 60 keys[i] = Thread::CreateThreadLocalKey(); 61 } 62 DoTest(); 63 TestThread thread; 64 thread.Start(); 65 thread.Join(); 66 } 67
