47248cc5fe
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8257 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
630 lines
17 KiB
C++
630 lines
17 KiB
C++
// Copyright 2007-2011 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 <limits.h>
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#include "v8.h"
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#include "api.h"
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#include "isolate.h"
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#include "compilation-cache.h"
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#include "execution.h"
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#include "snapshot.h"
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#include "platform.h"
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#include "utils.h"
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#include "cctest.h"
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#include "parser.h"
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#include "unicode-inl.h"
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using ::v8::AccessorInfo;
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using ::v8::Context;
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using ::v8::Extension;
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using ::v8::Function;
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using ::v8::HandleScope;
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using ::v8::Local;
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using ::v8::Object;
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using ::v8::ObjectTemplate;
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using ::v8::Persistent;
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using ::v8::Script;
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using ::v8::String;
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using ::v8::Value;
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using ::v8::V8;
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namespace i = ::i;
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// Migrating an isolate
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class KangarooThread : public v8::internal::Thread {
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public:
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KangarooThread(v8::Isolate* isolate,
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v8::Handle<v8::Context> context, int value)
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: Thread(NULL, "KangarooThread"),
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isolate_(isolate), context_(context), value_(value) {
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}
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void Run() {
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{
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v8::Locker locker(isolate_);
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v8::Isolate::Scope isolate_scope(isolate_);
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CHECK_EQ(isolate_, v8::internal::Isolate::Current());
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v8::HandleScope scope;
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v8::Context::Scope context_scope(context_);
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Local<Value> v = CompileRun("getValue()");
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CHECK(v->IsNumber());
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CHECK_EQ(30, static_cast<int>(v->NumberValue()));
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}
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{
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v8::Locker locker(isolate_);
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v8::Isolate::Scope isolate_scope(isolate_);
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v8::Context::Scope context_scope(context_);
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v8::HandleScope scope;
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Local<Value> v = CompileRun("getValue()");
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CHECK(v->IsNumber());
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CHECK_EQ(30, static_cast<int>(v->NumberValue()));
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}
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isolate_->Dispose();
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}
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private:
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v8::Isolate* isolate_;
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Persistent<v8::Context> context_;
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int value_;
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};
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// Migrates an isolate from one thread to another
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TEST(KangarooIsolates) {
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v8::Isolate* isolate = v8::Isolate::New();
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Persistent<v8::Context> context;
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{
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v8::Locker locker(isolate);
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v8::Isolate::Scope isolate_scope(isolate);
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v8::HandleScope handle_scope;
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context = v8::Context::New();
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v8::Context::Scope context_scope(context);
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CHECK_EQ(isolate, v8::internal::Isolate::Current());
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CompileRun("function getValue() { return 30; }");
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}
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KangarooThread thread1(isolate, context, 1);
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thread1.Start();
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thread1.Join();
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}
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static void CalcFibAndCheck() {
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Local<Value> v = CompileRun("function fib(n) {"
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" if (n <= 2) return 1;"
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" return fib(n-1) + fib(n-2);"
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"}"
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"fib(10)");
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CHECK(v->IsNumber());
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CHECK_EQ(55, static_cast<int>(v->NumberValue()));
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}
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class JoinableThread {
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public:
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explicit JoinableThread(const char* name)
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: name_(name),
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semaphore_(i::OS::CreateSemaphore(0)),
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thread_(this) {
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}
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virtual ~JoinableThread() {
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delete semaphore_;
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}
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void Start() {
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thread_.Start();
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}
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void Join() {
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semaphore_->Wait();
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}
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virtual void Run() = 0;
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private:
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class ThreadWithSemaphore : public i::Thread {
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public:
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explicit ThreadWithSemaphore(JoinableThread* joinable_thread)
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: Thread(NULL, joinable_thread->name_),
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joinable_thread_(joinable_thread) {
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}
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virtual void Run() {
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joinable_thread_->Run();
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joinable_thread_->semaphore_->Signal();
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}
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private:
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JoinableThread* joinable_thread_;
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};
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const char* name_;
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i::Semaphore* semaphore_;
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ThreadWithSemaphore thread_;
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friend class ThreadWithSemaphore;
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DISALLOW_COPY_AND_ASSIGN(JoinableThread);
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};
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class IsolateLockingThreadWithLocalContext : public JoinableThread {
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public:
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explicit IsolateLockingThreadWithLocalContext(v8::Isolate* isolate)
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: JoinableThread("IsolateLockingThread"),
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isolate_(isolate) {
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}
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virtual void Run() {
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v8::Locker locker(isolate_);
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v8::Isolate::Scope isolate_scope(isolate_);
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v8::HandleScope handle_scope;
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LocalContext local_context;
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CHECK_EQ(isolate_, v8::internal::Isolate::Current());
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CalcFibAndCheck();
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}
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private:
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v8::Isolate* isolate_;
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};
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static void StartJoinAndDeleteThreads(const i::List<JoinableThread*>& threads) {
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for (int i = 0; i < threads.length(); i++) {
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threads[i]->Start();
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}
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for (int i = 0; i < threads.length(); i++) {
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threads[i]->Join();
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}
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for (int i = 0; i < threads.length(); i++) {
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delete threads[i];
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}
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}
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// Run many threads all locking on the same isolate
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TEST(IsolateLockingStress) {
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const int kNThreads = 100;
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i::List<JoinableThread*> threads(kNThreads);
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v8::Isolate* isolate = v8::Isolate::New();
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for (int i = 0; i < kNThreads; i++) {
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threads.Add(new IsolateLockingThreadWithLocalContext(isolate));
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}
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StartJoinAndDeleteThreads(threads);
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isolate->Dispose();
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}
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class IsolateNonlockingThread : public JoinableThread {
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public:
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explicit IsolateNonlockingThread()
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: JoinableThread("IsolateNonlockingThread") {
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}
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virtual void Run() {
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v8::Isolate* isolate = v8::Isolate::New();
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{
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v8::Isolate::Scope isolate_scope(isolate);
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v8::HandleScope handle_scope;
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v8::Handle<v8::Context> context = v8::Context::New();
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v8::Context::Scope context_scope(context);
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CHECK_EQ(isolate, v8::internal::Isolate::Current());
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CalcFibAndCheck();
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}
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isolate->Dispose();
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}
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private:
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};
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// Run many threads each accessing its own isolate without locking
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TEST(MultithreadedParallelIsolates) {
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#ifdef V8_TARGET_ARCH_ARM
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const int kNThreads = 10;
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#else
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const int kNThreads = 50;
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#endif
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i::List<JoinableThread*> threads(kNThreads);
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for (int i = 0; i < kNThreads; i++) {
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threads.Add(new IsolateNonlockingThread());
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}
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StartJoinAndDeleteThreads(threads);
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}
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class IsolateNestedLockingThread : public JoinableThread {
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public:
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explicit IsolateNestedLockingThread(v8::Isolate* isolate)
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: JoinableThread("IsolateNestedLocking"), isolate_(isolate) {
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}
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virtual void Run() {
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v8::Locker lock(isolate_);
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v8::Isolate::Scope isolate_scope(isolate_);
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v8::HandleScope handle_scope;
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LocalContext local_context;
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{
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v8::Locker another_lock(isolate_);
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CalcFibAndCheck();
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}
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{
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v8::Locker another_lock(isolate_);
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CalcFibAndCheck();
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}
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}
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private:
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v8::Isolate* isolate_;
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};
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// Run many threads with nested locks
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TEST(IsolateNestedLocking) {
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const int kNThreads = 100;
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v8::Isolate* isolate = v8::Isolate::New();
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i::List<JoinableThread*> threads(kNThreads);
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for (int i = 0; i < kNThreads; i++) {
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threads.Add(new IsolateNestedLockingThread(isolate));
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}
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StartJoinAndDeleteThreads(threads);
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}
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class SeparateIsolatesLocksNonexclusiveThread : public JoinableThread {
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public:
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SeparateIsolatesLocksNonexclusiveThread(v8::Isolate* isolate1,
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v8::Isolate* isolate2)
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: JoinableThread("SeparateIsolatesLocksNonexclusiveThread"),
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isolate1_(isolate1), isolate2_(isolate2) {
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}
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virtual void Run() {
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v8::Locker lock(isolate1_);
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v8::Isolate::Scope isolate_scope(isolate1_);
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v8::HandleScope handle_scope;
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LocalContext local_context;
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IsolateLockingThreadWithLocalContext threadB(isolate2_);
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threadB.Start();
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CalcFibAndCheck();
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threadB.Join();
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}
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private:
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v8::Isolate* isolate1_;
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v8::Isolate* isolate2_;
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};
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// Run parallel threads that lock and access different isolates in parallel
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TEST(SeparateIsolatesLocksNonexclusive) {
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const int kNThreads = 100;
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v8::Isolate* isolate1 = v8::Isolate::New();
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v8::Isolate* isolate2 = v8::Isolate::New();
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i::List<JoinableThread*> threads(kNThreads);
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for (int i = 0; i < kNThreads; i++) {
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threads.Add(new SeparateIsolatesLocksNonexclusiveThread(isolate1,
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isolate2));
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}
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StartJoinAndDeleteThreads(threads);
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isolate2->Dispose();
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isolate1->Dispose();
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}
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class LockIsolateAndCalculateFibSharedContextThread : public JoinableThread {
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public:
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explicit LockIsolateAndCalculateFibSharedContextThread(
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v8::Isolate* isolate, v8::Handle<v8::Context> context)
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: JoinableThread("LockIsolateAndCalculateFibThread"),
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isolate_(isolate),
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context_(context) {
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}
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virtual void Run() {
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v8::Locker lock(isolate_);
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v8::Isolate::Scope isolate_scope(isolate_);
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HandleScope handle_scope;
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v8::Context::Scope context_scope(context_);
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CalcFibAndCheck();
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}
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private:
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v8::Isolate* isolate_;
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Persistent<v8::Context> context_;
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};
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class LockerUnlockerThread : public JoinableThread {
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public:
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explicit LockerUnlockerThread(v8::Isolate* isolate)
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: JoinableThread("LockerUnlockerThread"),
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isolate_(isolate) {
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}
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virtual void Run() {
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v8::Locker lock(isolate_);
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v8::Isolate::Scope isolate_scope(isolate_);
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v8::HandleScope handle_scope;
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v8::Handle<v8::Context> context = v8::Context::New();
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{
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v8::Context::Scope context_scope(context);
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CalcFibAndCheck();
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}
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{
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isolate_->Exit();
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v8::Unlocker unlocker(isolate_);
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LockIsolateAndCalculateFibSharedContextThread thread(isolate_, context);
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thread.Start();
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thread.Join();
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}
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isolate_->Enter();
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{
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v8::Context::Scope context_scope(context);
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CalcFibAndCheck();
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}
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}
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private:
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v8::Isolate* isolate_;
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};
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// Use unlocker inside of a Locker, multiple threads.
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TEST(LockerUnlocker) {
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const int kNThreads = 100;
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i::List<JoinableThread*> threads(kNThreads);
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v8::Isolate* isolate = v8::Isolate::New();
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for (int i = 0; i < kNThreads; i++) {
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threads.Add(new LockerUnlockerThread(isolate));
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}
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StartJoinAndDeleteThreads(threads);
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isolate->Dispose();
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}
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class LockTwiceAndUnlockThread : public JoinableThread {
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public:
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explicit LockTwiceAndUnlockThread(v8::Isolate* isolate)
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: JoinableThread("LockTwiceAndUnlockThread"),
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isolate_(isolate) {
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}
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virtual void Run() {
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v8::Locker lock(isolate_);
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v8::Isolate::Scope isolate_scope(isolate_);
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v8::HandleScope handle_scope;
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v8::Handle<v8::Context> context = v8::Context::New();
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{
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v8::Context::Scope context_scope(context);
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CalcFibAndCheck();
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}
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{
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v8::Locker second_lock(isolate_);
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{
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isolate_->Exit();
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v8::Unlocker unlocker(isolate_);
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LockIsolateAndCalculateFibSharedContextThread thread(isolate_, context);
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thread.Start();
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thread.Join();
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}
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}
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isolate_->Enter();
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{
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v8::Context::Scope context_scope(context);
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CalcFibAndCheck();
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}
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}
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private:
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v8::Isolate* isolate_;
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};
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// Use Unlocker inside two Lockers.
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TEST(LockTwiceAndUnlock) {
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const int kNThreads = 100;
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i::List<JoinableThread*> threads(kNThreads);
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v8::Isolate* isolate = v8::Isolate::New();
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for (int i = 0; i < kNThreads; i++) {
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threads.Add(new LockTwiceAndUnlockThread(isolate));
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}
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StartJoinAndDeleteThreads(threads);
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isolate->Dispose();
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}
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class LockAndUnlockDifferentIsolatesThread : public JoinableThread {
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public:
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LockAndUnlockDifferentIsolatesThread(v8::Isolate* isolate1,
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v8::Isolate* isolate2)
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: JoinableThread("LockAndUnlockDifferentIsolatesThread"),
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isolate1_(isolate1),
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isolate2_(isolate2) {
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}
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virtual void Run() {
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Persistent<v8::Context> context1;
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Persistent<v8::Context> context2;
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v8::Locker lock1(isolate1_);
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CHECK(v8::Locker::IsLocked(isolate1_));
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CHECK(!v8::Locker::IsLocked(isolate2_));
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{
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v8::Isolate::Scope isolate_scope(isolate1_);
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v8::HandleScope handle_scope;
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context1 = v8::Context::New();
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{
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v8::Context::Scope context_scope(context1);
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CalcFibAndCheck();
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}
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}
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v8::Locker lock2(isolate2_);
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CHECK(v8::Locker::IsLocked(isolate1_));
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CHECK(v8::Locker::IsLocked(isolate2_));
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{
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v8::Isolate::Scope isolate_scope(isolate2_);
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v8::HandleScope handle_scope;
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context2 = v8::Context::New();
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{
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v8::Context::Scope context_scope(context2);
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CalcFibAndCheck();
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}
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}
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{
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v8::Unlocker unlock1(isolate1_);
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CHECK(!v8::Locker::IsLocked(isolate1_));
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CHECK(v8::Locker::IsLocked(isolate2_));
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v8::Isolate::Scope isolate_scope(isolate2_);
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v8::HandleScope handle_scope;
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v8::Context::Scope context_scope(context2);
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LockIsolateAndCalculateFibSharedContextThread thread(isolate1_, context1);
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thread.Start();
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CalcFibAndCheck();
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thread.Join();
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}
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}
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private:
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v8::Isolate* isolate1_;
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v8::Isolate* isolate2_;
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};
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// Lock two isolates and unlock one of them.
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TEST(LockAndUnlockDifferentIsolates) {
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v8::Isolate* isolate1 = v8::Isolate::New();
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v8::Isolate* isolate2 = v8::Isolate::New();
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LockAndUnlockDifferentIsolatesThread thread(isolate1, isolate2);
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thread.Start();
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thread.Join();
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isolate2->Dispose();
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isolate1->Dispose();
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}
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class LockUnlockLockThread : public JoinableThread {
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public:
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LockUnlockLockThread(v8::Isolate* isolate, v8::Handle<v8::Context> context)
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: JoinableThread("LockUnlockLockThread"),
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isolate_(isolate),
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context_(context) {
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}
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virtual void Run() {
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v8::Locker lock1(isolate_);
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CHECK(v8::Locker::IsLocked(isolate_));
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CHECK(!v8::Locker::IsLocked());
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{
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v8::Isolate::Scope isolate_scope(isolate_);
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v8::HandleScope handle_scope;
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v8::Context::Scope context_scope(context_);
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CalcFibAndCheck();
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}
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{
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v8::Unlocker unlock1(isolate_);
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CHECK(!v8::Locker::IsLocked(isolate_));
|
|
CHECK(!v8::Locker::IsLocked());
|
|
{
|
|
v8::Locker lock2(isolate_);
|
|
v8::Isolate::Scope isolate_scope(isolate_);
|
|
v8::HandleScope handle_scope;
|
|
CHECK(v8::Locker::IsLocked(isolate_));
|
|
CHECK(!v8::Locker::IsLocked());
|
|
v8::Context::Scope context_scope(context_);
|
|
CalcFibAndCheck();
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
v8::Isolate* isolate_;
|
|
v8::Persistent<v8::Context> context_;
|
|
};
|
|
|
|
// Locker inside an Unlocker inside a Locker.
|
|
TEST(LockUnlockLockMultithreaded) {
|
|
const int kNThreads = 100;
|
|
v8::Isolate* isolate = v8::Isolate::New();
|
|
Persistent<v8::Context> context;
|
|
{
|
|
v8::Locker locker_(isolate);
|
|
v8::Isolate::Scope isolate_scope(isolate);
|
|
v8::HandleScope handle_scope;
|
|
context = v8::Context::New();
|
|
}
|
|
i::List<JoinableThread*> threads(kNThreads);
|
|
for (int i = 0; i < kNThreads; i++) {
|
|
threads.Add(new LockUnlockLockThread(isolate, context));
|
|
}
|
|
StartJoinAndDeleteThreads(threads);
|
|
}
|
|
|
|
class LockUnlockLockDefaultIsolateThread : public JoinableThread {
|
|
public:
|
|
explicit LockUnlockLockDefaultIsolateThread(v8::Handle<v8::Context> context)
|
|
: JoinableThread("LockUnlockLockDefaultIsolateThread"),
|
|
context_(context) {
|
|
}
|
|
|
|
virtual void Run() {
|
|
v8::Locker lock1;
|
|
{
|
|
v8::HandleScope handle_scope;
|
|
v8::Context::Scope context_scope(context_);
|
|
CalcFibAndCheck();
|
|
}
|
|
{
|
|
v8::Unlocker unlock1;
|
|
{
|
|
v8::Locker lock2;
|
|
v8::HandleScope handle_scope;
|
|
v8::Context::Scope context_scope(context_);
|
|
CalcFibAndCheck();
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
v8::Persistent<v8::Context> context_;
|
|
};
|
|
|
|
// Locker inside an Unlocker inside a Locker for default isolate.
|
|
TEST(LockUnlockLockDefaultIsolateMultithreaded) {
|
|
const int kNThreads = 100;
|
|
Persistent<v8::Context> context;
|
|
{
|
|
v8::Locker locker_;
|
|
v8::HandleScope handle_scope;
|
|
context = v8::Context::New();
|
|
}
|
|
i::List<JoinableThread*> threads(kNThreads);
|
|
for (int i = 0; i < kNThreads; i++) {
|
|
threads.Add(new LockUnlockLockDefaultIsolateThread(context));
|
|
}
|
|
StartJoinAndDeleteThreads(threads);
|
|
}
|
|
|
|
|
|
TEST(Regress1433) {
|
|
for (int i = 0; i < 10; i++) {
|
|
v8::Isolate* isolate = v8::Isolate::New();
|
|
{
|
|
v8::Locker lock(isolate);
|
|
v8::Isolate::Scope isolate_scope(isolate);
|
|
v8::HandleScope handle_scope;
|
|
v8::Persistent<Context> context = v8::Context::New();
|
|
v8::Context::Scope context_scope(context);
|
|
v8::Handle<String> source = v8::String::New("1+1");
|
|
v8::Handle<Script> script = v8::Script::Compile(source);
|
|
v8::Handle<Value> result = script->Run();
|
|
v8::String::AsciiValue ascii(result);
|
|
context.Dispose();
|
|
}
|
|
isolate->Dispose();
|
|
}
|
|
}
|