mirror of https://github.com/lukechilds/node.git
Ryan
16 years ago
33 changed files with 726 additions and 145 deletions
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// Copyright 2009 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "v8.h" |
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#include "platform.h" |
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#include "cctest.h" |
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v8::internal::Semaphore* semaphore = NULL; |
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v8::Handle<v8::Value> Signal(const v8::Arguments& args) { |
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semaphore->Signal(); |
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return v8::Undefined(); |
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} |
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v8::Handle<v8::Value> TerminateCurrentThread(const v8::Arguments& args) { |
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v8::V8::TerminateExecution(); |
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return v8::Undefined(); |
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} |
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v8::Handle<v8::Value> Fail(const v8::Arguments& args) { |
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CHECK(false); |
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return v8::Undefined(); |
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} |
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v8::Handle<v8::Value> Loop(const v8::Arguments& args) { |
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v8::Handle<v8::String> source = |
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v8::String::New("try { doloop(); fail(); } catch(e) { fail(); }"); |
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v8::Script::Compile(source)->Run(); |
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return v8::Undefined(); |
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} |
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v8::Handle<v8::Value> DoLoop(const v8::Arguments& args) { |
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v8::TryCatch try_catch; |
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v8::Script::Compile(v8::String::New("function f() {" |
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" var term = true;" |
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" try {" |
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" while(true) {" |
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" if (term) terminate();" |
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" term = false;" |
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" }" |
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" fail();" |
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" } catch(e) {" |
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" fail();" |
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" }" |
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"}" |
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"f()"))->Run(); |
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CHECK(try_catch.HasCaught()); |
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CHECK(try_catch.Exception()->IsNull()); |
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CHECK(try_catch.Message().IsEmpty()); |
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CHECK(!try_catch.CanContinue()); |
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return v8::Undefined(); |
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} |
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v8::Handle<v8::ObjectTemplate> CreateGlobalTemplate( |
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v8::InvocationCallback terminate) { |
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v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(); |
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global->Set(v8::String::New("terminate"), |
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v8::FunctionTemplate::New(terminate)); |
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global->Set(v8::String::New("fail"), v8::FunctionTemplate::New(Fail)); |
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global->Set(v8::String::New("loop"), v8::FunctionTemplate::New(Loop)); |
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global->Set(v8::String::New("doloop"), v8::FunctionTemplate::New(DoLoop)); |
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return global; |
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} |
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// Test that a single thread of JavaScript execution can terminate
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// itself.
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TEST(TerminateOnlyV8ThreadFromThreadItself) { |
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v8::HandleScope scope; |
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v8::Handle<v8::ObjectTemplate> global = |
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CreateGlobalTemplate(TerminateCurrentThread); |
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v8::Persistent<v8::Context> context = v8::Context::New(NULL, global); |
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v8::Context::Scope context_scope(context); |
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// Run a loop that will be infinite if thread termination does not work.
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v8::Handle<v8::String> source = |
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v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
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v8::Script::Compile(source)->Run(); |
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// Test that we can run the code again after thread termination.
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v8::Script::Compile(source)->Run(); |
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context.Dispose(); |
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} |
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class TerminatorThread : public v8::internal::Thread { |
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void Run() { |
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semaphore->Wait(); |
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v8::V8::TerminateExecution(); |
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} |
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}; |
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// Test that a single thread of JavaScript execution can be terminated
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// from the side by another thread.
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TEST(TerminateOnlyV8ThreadFromOtherThread) { |
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semaphore = v8::internal::OS::CreateSemaphore(0); |
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TerminatorThread thread; |
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thread.Start(); |
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v8::HandleScope scope; |
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v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate(Signal); |
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v8::Persistent<v8::Context> context = v8::Context::New(NULL, global); |
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v8::Context::Scope context_scope(context); |
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// Run a loop that will be infinite if thread termination does not work.
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v8::Handle<v8::String> source = |
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v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
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v8::Script::Compile(source)->Run(); |
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thread.Join(); |
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delete semaphore; |
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semaphore = NULL; |
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context.Dispose(); |
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} |
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class LoopingThread : public v8::internal::Thread { |
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public: |
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void Run() { |
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v8::Locker locker; |
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v8::HandleScope scope; |
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v8_thread_id_ = v8::V8::GetCurrentThreadId(); |
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v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate(Signal); |
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v8::Persistent<v8::Context> context = v8::Context::New(NULL, global); |
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v8::Context::Scope context_scope(context); |
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// Run a loop that will be infinite if thread termination does not work.
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v8::Handle<v8::String> source = |
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v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
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v8::Script::Compile(source)->Run(); |
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context.Dispose(); |
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} |
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int GetV8ThreadId() { return v8_thread_id_; } |
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private: |
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int v8_thread_id_; |
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}; |
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// Test that multiple threads using V8 can be terminated from another
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// thread when using Lockers and preemption.
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TEST(TerminateMultipleV8Threads) { |
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{ |
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v8::Locker locker; |
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v8::V8::Initialize(); |
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v8::Locker::StartPreemption(1); |
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semaphore = v8::internal::OS::CreateSemaphore(0); |
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} |
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LoopingThread thread1; |
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thread1.Start(); |
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LoopingThread thread2; |
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thread2.Start(); |
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// Wait until both threads have signaled the semaphore.
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semaphore->Wait(); |
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semaphore->Wait(); |
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{ |
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v8::Locker locker; |
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v8::V8::TerminateExecution(thread1.GetV8ThreadId()); |
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v8::V8::TerminateExecution(thread2.GetV8ThreadId()); |
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} |
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thread1.Join(); |
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thread2.Join(); |
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delete semaphore; |
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semaphore = NULL; |
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} |
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