Pardon for resurrecting such old thread but I have a question about
process.nextTick: why/how does it eliminate the current stack? What happens
behind the scenes?
On Tuesday, January 17, 2012 5:29:13 PM UTC-5, JoeZ99 wrote:
>
> I don't really know how node knows when to run a function asynchronously
> or not.
>
> Let's say you have this piece of code.
>
> function gen_url(str) {
> return 'http://' + str;
> }
>
> full_url = gen_url('www.google.com');
>
> In that case I'm obviously counting on the function gen_url being executed
> synchronously.
>
> Now If I have
>
> function hit_mysql(query, callback) {
> var mystuff = oldstuff * system_variable;
> client = require('mysql').Client();
> client.query(query, callback);
> }
>
> var one = 'one';
> hit_mysql('select ...', function(){console.log('done');});
> var two = 'two';
>
>
> I would expect hit_mysql to run asynchronousy.
>
>
> How does node figure this out? I'm no "marking" any function as "sync" or
> "async". Does node througfuly examine the function's body to see if
> somewhere in the function body (or in the body of the functions defined in
> the function body) there is some well recognized native node async call,
> like setTimeout, or http.listen(), or whatever?
> --
> uh, oh <http://www.youtube.com/watch?v=GMD_T7ICL0o>.
>
> <http://windows7sins.org/>
>
>
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