| // Copyright 2011 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| // |
| // Tests of fast TLS support. |
| |
| #include "src/v8.h" |
| |
| #include "src/checks.h" |
| #include "src/platform.h" |
| #include "test/cctest/cctest.h" |
| |
| using v8::internal::Thread; |
| |
| static const int kValueCount = 128; |
| |
| static Thread::LocalStorageKey keys[kValueCount]; |
| |
| static void* GetValue(int num) { |
| return reinterpret_cast<void*>(static_cast<intptr_t>(num + 1)); |
| } |
| |
| |
| static void DoTest() { |
| for (int i = 0; i < kValueCount; i++) { |
| CHECK(!Thread::HasThreadLocal(keys[i])); |
| } |
| for (int i = 0; i < kValueCount; i++) { |
| Thread::SetThreadLocal(keys[i], GetValue(i)); |
| } |
| for (int i = 0; i < kValueCount; i++) { |
| CHECK(Thread::HasThreadLocal(keys[i])); |
| } |
| for (int i = 0; i < kValueCount; i++) { |
| CHECK_EQ(GetValue(i), Thread::GetThreadLocal(keys[i])); |
| CHECK_EQ(GetValue(i), Thread::GetExistingThreadLocal(keys[i])); |
| } |
| for (int i = 0; i < kValueCount; i++) { |
| Thread::SetThreadLocal(keys[i], GetValue(kValueCount - i - 1)); |
| } |
| for (int i = 0; i < kValueCount; i++) { |
| CHECK(Thread::HasThreadLocal(keys[i])); |
| } |
| for (int i = 0; i < kValueCount; i++) { |
| CHECK_EQ(GetValue(kValueCount - i - 1), |
| Thread::GetThreadLocal(keys[i])); |
| CHECK_EQ(GetValue(kValueCount - i - 1), |
| Thread::GetExistingThreadLocal(keys[i])); |
| } |
| } |
| |
| class TestThread : public Thread { |
| public: |
| TestThread() : Thread("TestThread") {} |
| |
| virtual void Run() { |
| DoTest(); |
| } |
| }; |
| |
| |
| TEST(FastTLS) { |
| for (int i = 0; i < kValueCount; i++) { |
| keys[i] = Thread::CreateThreadLocalKey(); |
| } |
| DoTest(); |
| TestThread thread; |
| thread.Start(); |
| thread.Join(); |
| } |