He was just saying that you need to create one isolate for each new thread, so
that you can make a context in each thread. With that, the threads can run
independent from the other :) So you need to make it so, that thread1 has an
own isolate, thread2 has an own isolate, and so on and so forth. :3
Am Fr. Jan. 31 2014 22:27:04 schrieb Sara Abdelhameed:
> Sorry, I don't get what you exactly meant, did you mean I create for every
> thread including the main thread and enter them using an isolate scope? or
> what I didn't understand "(at least on all but the main threads) "?
>
> Thank you in advance :)
>
>
> On Fri, Jan 31, 2014 at 11:15 PM, Jochen Eisinger <joc...@chromium.org> wrote:
> Instead of using Isolate::GetCurrent() you have to create the isolates
> explicitly (at least on all but the main threads) and enter them, e.g. using
> an isolate scope.
>
> best
> -jochen
>
>
> On Fri, Jan 31, 2014 at 10:09 PM, Sara Abdelhameed
> <saraabdelhameed1...@gmail.com> wrote:
> I have tried these but it wasn't working with me,
> The code is:
> #include <v8.h>
> #include <pthread.h>
> using namespace v8;
> void* threadFunction(void*){
> Isolate *isolate1 = Isolate::GetCurrent();
> HandleScope handle_scope1(isolate1);
> Handle<Context> context1 = Context::New(isolate1);
> Context::Scope context_scope1(context1);
> Handle<String> source1 = String::NewFromUtf8(isolate1, "'Hi' + ', Sara'");
> Handle<Script> script1 = Script::Compile(source1);
> Handle<Value> result1 = script1->Run();
> String::Utf8Value utf81(result1);
> printf("%s\n", *utf81);
> return 0;
> }
> int main(int argc, char* argv[]) {
> Isolate* isolate = Isolate::GetCurrent();
> HandleScope handle_scope(isolate);
> Handle<Context> context = Context::New(isolate);
> Context::Scope context_scope(context);
> pthread_t thread_id;
> pthread_create(&thread_id, NULL, &threadFunction,NULL);
> Handle<String> source = String::NewFromUtf8(isolate, "'Hello' + ',
> World!'");
> Handle<Script> script = Script::Compile(source);
> Handle<Value> result = script->Run();
> String::Utf8Value utf8(result);
> printf("%s\n", *utf8);
> return 0;
> }
>
> and the command that I used to compile is
> g++ -Iinclude Two_threads.cpp -o Two_threads -Wl,--start-group
> out/native/obj.target/{tools/gyp/libv8_{base.ia32,snapshot},third_party/icu/libicu{uc,i18n,data}}.a
> -Wl,--end-group -lrt
> and to execute is
> ./Two_threads
>
> it was compiled without giving me any error but when I executed it i printed
> only hello world! "the javascript string of the main thread" and didn't print
> hi,Sara the javascript string of the single thread I have in the code.
>
> So, what is the problem? or what ?
>
> Thank you in advance
>
>
>
> On Fri, Jan 31, 2014 at 11:45 AM, Sara Abdelhameed
> <saraabdelhameed1...@gmail.com> wrote:
> Thank you, and I'll try that now, wish it work with me.
>
>
> On Fri, Jan 31, 2014 at 9:40 PM, Dmitry Lomov <dslo...@chromium.org> wrote:
>
>
>
> On Fri, Jan 31, 2014 at 11:38 AM, Sara Abdelhameed
> <saraabdelhameed1...@gmail.com> wrote:
> so, if I want to make very simple example such as having two threads that
> each one run different script and don't depend on each other, and I want them
> to be in parallel, so I must use two isolate, for every thread there is one
> isolate and no need to use lock as the scripts are different and independent
> from each other. is this right?
>
> Yes that is correct.
>
>
>
> On Friday, January 31, 2014 11:23:28 AM UTC+2, Jochen Eisinger wrote:
> There are two options: (1) use different isolates on each thread (then the
> scripts can run in parallel) and (2) use one isolate and use v8::Locker to
> lock the isolate before you use it (then only one thread at a time can
> execute scripts)
>
> best
> -jochen
>
>
> On Fri, Jan 31, 2014 at 9:51 AM, Sara Abdelhameed <saraabdel...@gmail.com>
> wrote:
> Hello all,
> does v8 engine support multithreaded application ? and could I run two
> different javascript code in two different threads at the same time ?
>
> --
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