我正在将一些第三方产品集成到Chromium中Android)在浏览器进程(main)中工作。 该产品采用了铬的V8和使用IsolateHolder
正在创造新的Isolate
:V8 assertion调试检查失败:ThreadId :: Current()。Equals(compilation_info() - > isolate() - > thread_id())`失败
// thread
thread = new base::Thread("MyProductThread");
thread->Start();
#ifdef V8_USE_EXTERNAL_STARTUP_DATA
LOG(WARNING) << "MyProduct: loading v8 snapshot & natives ...";
gin::V8Initializer::LoadV8Snapshot();
gin::V8Initializer::LoadV8Natives();
LOG(WARNING) << "MyProduct: loaded v8 snapshot & natives";
#endif
LOG(WARNING) << "MyProduct: initialize isolate holder";
gin::IsolateHolder::Initialize(gin::IsolateHolder::kNonStrictMode,
gin::IsolateHolder::kStableV8Extras,
gin::ArrayBufferAllocator::SharedInstance());
isolate_holder = new gin::IsolateHolder(
thread->task_runner(),
gin::IsolateHolder::AccessMode::kUseLocker);
isolate_holder->isolate()->Enter();
LOG(WARNING) << "MyProduct: created isolate holder";
// return isolate pointer
v8::Isolate* isolate = isolate_holder->isolate();
我创建为了不阻止UI新线程的代码从被转发到C主线程(从Android的活动援引++通过生成的JNI)。
... E/V8:# #致命在../../v8/src/compiler.cc误差,线87
然后有时它用下面的崩溃
调试检查失败:ThreadId :: Current()。Equals(compilation_info() - > isolate() - > thread_id())
这是什么意思?
有点有限的堆栈跟踪:
Stack Trace:
RELADDR FUNCTION FILE:LINE
000161d5 gin::(anonymous namespace)::PrintStackTrace() /home/antoine/chromium/src/gin/v8_platform.cc:55
0000d051 V8_Fatal(char const*, int, char const*, ...) /home/antoine/chromium/src/v8/src/base/logging.cc:123
0022eca5 v8::internal::CompilationJob::PrepareJob() /home/antoine/chromium/src/v8/src/compiler.cc:86
00235733 v8::internal::(anonymous namespace)::PrepareAndExecuteUnoptimizedCompileJob(v8::internal::ParseInfo*, v8::internal::FunctionLiteral*, v8::internal::Isolate*) /home/antoine/chromium/src/v8/src/compiler.cc:387
0022fe25 v8::internal::(anonymous namespace)::GenerateUnoptimizedCode(v8::internal::ParseInfo*, v8::internal::Isolate*, std::__ndk1::forward_list<std::__ndk1::unique_ptr<v8::internal::CompilationJob, std::__ndk1::default_delete<v8::internal::CompilationJob> >, std::__ndk1::allocator<std::__ndk1::unique_ptr<v8::internal::CompilationJob, std::__ndk1::default_delete<v8::internal::CompilationJob> > > >*) /home/antoine/chromium/src/v8/src/compiler.cc:413
00231f13 v8::internal::(anonymous namespace)::CompileToplevel(v8::internal::ParseInfo*, v8::internal::Isolate*) /home/antoine/chromium/src/v8/src/compiler.cc:786
0023358d v8::internal::Compiler::GetSharedFunctionInfoForScript(v8::internal::Handle<v8::internal::String>, v8::internal::Handle<v8::internal::Object>, int, int, v8::ScriptOriginOptions, v8::internal::Handle<v8::internal::Object>, v8::internal::Handle<v8::internal::Context>, v8::Extension*, v8::internal::ScriptData**, v8::ScriptCompiler::CompileOptions, v8::internal::NativesFlag, v8::internal::Handle<v8::internal::FixedArray>) /home/antoine/chromium/src/v8/src/compiler.cc:1331
000ff8f1 v8::ScriptCompiler::CompileUnboundInternal(v8::Isolate*, v8::ScriptCompiler::Source*, v8::ScriptCompiler::CompileOptions) /home/antoine/chromium/src/v8/src/api.cc:2314
00100299 v8::ScriptCompiler::Compile(v8::Local<v8::Context>, v8::ScriptCompiler::Source*, v8::ScriptCompiler::CompileOptions) /home/antoine/chromium/src/v8/src/api.cc:2373
00102047 v8::Script::Compile(v8::Local<v8::Context>, v8::Local<v8::String>, v8::ScriptOrigin*) /data/app/org.chromium.chrome-1/lib/arm/libv8.cr.so
任何建议高度赞赏!
PS。我使用的不是Chromium的最新版本,但我不认为这是问题的原因。
PPS。我试图使用一些现有的后台线程(与content::BrowserThread::GetTaskRunnerForThread(content::BrowserThread::FILE)
),甚至在后台线程中创建Isolate
,并将其作为IsolateHolder
参数传递 - 没有运气。
请注意,为什么会将此标记为[嵌入] - 可能不相关。 – Clifford