1// Copyright 2008 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28#include "src/v8.h" 29#include "test/cctest/cctest.h" 30 31#include "src/base/platform/platform.h" 32#include "src/isolate.h" 33 34 35class ThreadIdValidationThread : public v8::base::Thread { 36 public: 37 ThreadIdValidationThread(v8::base::Thread* thread_to_start, 38 i::List<i::ThreadId>* refs, unsigned int thread_no, 39 v8::base::Semaphore* semaphore) 40 : Thread(Options("ThreadRefValidationThread")), 41 refs_(refs), 42 thread_no_(thread_no), 43 thread_to_start_(thread_to_start), 44 semaphore_(semaphore) {} 45 46 void Run() { 47 i::ThreadId thread_id = i::ThreadId::Current(); 48 for (int i = 0; i < thread_no_; i++) { 49 CHECK(!(*refs_)[i].Equals(thread_id)); 50 } 51 CHECK(thread_id.IsValid()); 52 (*refs_)[thread_no_] = thread_id; 53 if (thread_to_start_ != NULL) { 54 thread_to_start_->Start(); 55 } 56 semaphore_->Signal(); 57 } 58 59 private: 60 i::List<i::ThreadId>* refs_; 61 int thread_no_; 62 v8::base::Thread* thread_to_start_; 63 v8::base::Semaphore* semaphore_; 64}; 65 66 67TEST(ThreadIdValidation) { 68 const int kNThreads = 100; 69 i::List<ThreadIdValidationThread*> threads(kNThreads); 70 i::List<i::ThreadId> refs(kNThreads); 71 v8::base::Semaphore semaphore(0); 72 ThreadIdValidationThread* prev = NULL; 73 for (int i = kNThreads - 1; i >= 0; i--) { 74 ThreadIdValidationThread* newThread = 75 new ThreadIdValidationThread(prev, &refs, i, &semaphore); 76 threads.Add(newThread); 77 prev = newThread; 78 refs.Add(i::ThreadId::Invalid()); 79 } 80 prev->Start(); 81 for (int i = 0; i < kNThreads; i++) { 82 semaphore.Wait(); 83 } 84 for (int i = 0; i < kNThreads; i++) { 85 delete threads[i]; 86 } 87} 88