Re: [whatwg] Web Workers: Worker.onmessage
On Wed, 11 Nov 2009, Simon Pieters wrote: On Wed, 11 Nov 2009 16:05:53 +0100, Simon Pieters sim...@opera.com wrote: Shouldn't setting onmessage on a Worker object enable the port message queue? Currently step 8 of the run a worker algorithm enables the port message queue for the WorkerGlobalObjectScope side, but it is never enabled when going in the other direction, if I'm reading the spec correctly. Hmm. Actually, step 12 and 13 of the Worker constructor enable the port message queue for both the inside and outside ports. Why does the run a worker algorithm enable one of them again? Isn't it too early to enable the port message queues before the worker has run and set 'onmessage'? I suppose that if the worker is slow to start up, it could conceivably receive a message before the event loop exists, which would lead to poorly defined behaviour. I've removed the inner port opening from the constructor's algorithm. -- Ian Hickson U+1047E)\._.,--,'``.fL http://ln.hixie.ch/ U+263A/, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
[whatwg] Web Workers: Worker.onmessage
Shouldn't setting onmessage on a Worker object enable the port message queue? Currently step 8 of the run a worker algorithm enables the port message queue for the WorkerGlobalObjectScope side, but it is never enabled when going in the other direction, if I'm reading the spec correctly. -- Simon Pieters Opera Software
Re: [whatwg] Web Workers: Worker.onmessage
On Wed, 11 Nov 2009 16:05:53 +0100, Simon Pieters sim...@opera.com wrote: Shouldn't setting onmessage on a Worker object enable the port message queue? Currently step 8 of the run a worker algorithm enables the port message queue for the WorkerGlobalObjectScope side, but it is never enabled when going in the other direction, if I'm reading the spec correctly. Hmm. Actually, step 12 and 13 of the Worker constructor enable the port message queue for both the inside and outside ports. Why does the run a worker algorithm enable one of them again? Isn't it too early to enable the port message queues before the worker has run and set 'onmessage'? -- Simon Pieters Opera Software