Thanks that got me past that step. On Sunday, April 24, 2016 at 10:42:14 AM UTC-5, Ben Noordhuis wrote: > > On Sat, Apr 23, 2016 at 10:19 PM, Stephen James <[email protected] > <javascript:>> wrote: > > Attempting to call from c++ to v8 using async.c using > Nan::New<v8::String>() > > I keep ending up with the following > > abort. > > > > void EventConnectedAsync(uv_async_t *handle) > > { > > if (!EventConnectedCB.IsEmpty()) > > { > > cout << (char*)handle->data << endl; > > const char* url = (const char*)handle->data; > > v8::Local<v8::Value> argv[] = { > > Nan::New<v8::String>(url).ToLocalChecked() }; // at node_nzape_cb.cc:36 > > > > Nan::MakeCallback(Nan::GetCurrentContext()->Global(), > EventConnectedCB, > > 1, argv); > > > > delete [] (char*)handle->data; > > } > > } > > > > 00007F869F3407B0 _ZL12getBackTracev > > 00007F869F340DE7 _ZL19signalSevereHandleri > > 00007F86A1B66CC9 gsignal > > 00007F86A1B6A0D7 abort > > 0000000000DFB22B _ZN4nodeL12OnFatalErrorEPKcS1_ > > 00000000008CA0D4 _ZN2v85Utils16ReportApiFailureEPKcS2_ > > 0000000000A9843E _ZN2v88internal11HandleScope6ExtendEPNS0_7IsolateE > > 00000000008E3D00 > > > _ZN2v88internal11HandleScope12CreateHandleINS0_6ObjectEEEPPT_PNS0_7IsolateES5_ > > > > 0000000000A79A2A > > _ZN2v88internal7Factory19NewRawOneByteStringEiNS0_13PretenureFlagE > > 0000000000A792E2 > > > _ZN2v88internal7Factory20NewStringFromOneByteENS0_6VectorIKhEENS0_13PretenureFlagE > > > > 0000000000A79F92 > > > _ZN2v88internal7Factory17NewStringFromUtf8ENS0_6VectorIKcEENS0_13PretenureFlagE > > > > 00000000008DA092 > > _ZN2v86String11NewFromUtf8EPNS_7IsolateEPKcNS_13NewStringTypeEi > > 00007F869F8FF84F Nan::imp::Factory<v8::String>::New(char const*, int) at > > nan_implementation_12_inl.h:265 > > 00007F869F8FFE2B Nan::imp::Factory<v8::String>::return_t > > Nan::New<v8::String, char const*>(char const*) at nan_new.h:208 > > 00007F869F901061 EventConnectedAsync(uv_async_s*) at node_nzape_cb.cc:36 > > 0000000000FBF91A uv__async_event at async.c:98 > > 0000000000FBF9F2 uv__async_io at async.c:138 > > 0000000000FCFA34 uv__io_poll at linux-core.c:345 > > 0000000000FC04D5 uv_run at core.c:351 > > 0000000000E088AF _ZN4node5StartEiPPc > > 00007F86A1B51EC4 __libc_start_main > > Build: Date:Apr 19 2016 13:26:06 Version:10037 > > Aborted (core dumped) > > nzos@nzos-VirtualBox:~/Development/node-nzape$ nodejs > > The program 'nodejs' is currently not installed. You can install it by > > typing: > > sudo apt-get install nodejs > > nzos@nzos-VirtualBox:~/Development/node-nzape$ node --version > > v5.10.1 > > It looks like you're missing a v8::HandleScope or Nan::HandleScope at > the top of your function. > > Aside: using uv_async_t.data like that is potentially unsafe. You > need proper synchronization (e.g. with a mutex) when multiple threads > access the .data field. Also, remember there is no 1-to-1 > relationship between calls to uv_async_send() and your callback. >
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