Re: Logging events in Necko

On 10/15/2012 12:20 PM, Brian Smith wrote:
> Jason Duell wrote:
>> Our setup also is less than ideal with multiple processes: see
>>
>>     https://bugzilla.mozilla.org/show_bug.cgi?id=638375
>>
>>     https://bugzilla.mozilla.org/show_bug.cgi?id=534764
> Regarding multi-process NSPR logging, don't we just need to send the log output of child processes to a pipe that is consumed by the parent process, and then have the parent process PR_LOG() what it received with some information tacked on (child process ID)?

Sure, a pipe would be one solution.  Some sort of IPC communication is 
needed.

> NSPR_LOG_FILE should NOT work for child processes anyway, because child processes aren't allowed to do disk I/O.

Right--that's how we're doing it now, and it's not viable long-term.

Jason