>
> The dispose method destroys a domain, and makes a best effort attempt to
> clean up any and all IO that is associated with the domain.
>
Are you serious? Close all IO for each failed writeFile or similar library
call?
On Thursday, June 6, 2013 5:18:15 PM UTC+4, Alex Kocharin wrote:
>
>
> Probably.
>
> But I think you can use domains, and domain.dispose() should get rid of
> such leaks, that's what it was designed for.
>
> --
> // alex
>
>
> 06.06.2013, 17:07, "Matthew Larionov" <matth...@gmail.com <javascript:>>:
>
> So It's ok if i call something like
>
> fs.writeFile('some_file', 'data', {encoding: 'utf8', flag : {toString :
> function(){ throw new Error('oooops');}}}, function(err) { if(err)
> console.log(err); })
>
> to expect somewhere there would be a resource leak?
>
> On Thursday, June 6, 2013 4:30:13 PM UTC+4, Alex Kocharin wrote:
>
>
> Pretty much all asynchronous code with callbacks relies on a fact that
> noone throws exceptions here and there. It's simple enough: if there is a
> callback, don't throw (unless you're working with domains).
>
> But nobody really cares about theoretical "stack exceeded" errors, they
> are so unlikely to happen with just a few function calls, so it's easier to
> forget them until they become an issue somewhere.
>
>
> On Thursday, June 6, 2013 4:08:55 PM UTC+4, Matthew Larionov wrote:
>
> So this code relies on fact there would be no exception in 'writeFile',
> 'fs.write' or any other called function. And if I try to change those, I
> should keep in mind that sometimes I can throw exceptions and sometimes I
> don't, like here:
>
> if (!Buffer.isBuffer(buffer)) {
> // legacy string interface (fd, data, position, encoding, callback)
> callback = arguments[4];
> position = arguments[2];
> assertEncoding(arguments[3]);
>
> buffer = new Buffer('' + arguments[1], arguments[3]);
> offset = 0;
> length = buffer.length;
> }
>
> assertEncding throws an error, but you just know that there would be a
> buffer if it is called from 'writeAll'... Is that so?
>
>
> On Thu, Jun 6, 2013 at 2:36 PM, Ben Noordhuis <in...@bnoordhuis.nl> wrote:
>
> On Thu, Jun 6, 2013 at 11:51 AM, Matthew Larionov <matth...@gmail.com>
> wrote:
> > I was curious what would happen if this exception is being cought.
> > Wonder what would happen to 'fd' - file descriptor - as far as I know
> there
> > is no such thing as garbage collector for file descriptors or any other
> > resources except memory...
> >
> > Do you really don't see any way for exception to be raised? Just have a
> look
> > at 'writeAll' function - it's recursive. What would happen if stack is
> > exceeded? I don't understand javascript well actually, but I thought the
> > exception would be thrown.
> The self-recursion only goes one level deep. writeAll() calls itself
> from inside fs.write(), which is an asynchronous function that runs on
> a fresh stack.
>
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