ev signal watchers

Todd Fisher todd.fisher at gmail.com
Tue Mar 3 20:44:57 CET 2009


Hi Brandon,

   That makes a lot of sense...

Thanks,
Todd

On Tue, Mar 3, 2009 at 10:01 AM, Brandon Black <blblack at gmail.com> wrote:

> Todd Fisher wrote:
>
>  The troble I'm having is the child processes stop receiving signals, from
>> the parent process - when there is a lot of activity.  I am able to resume
>> signal processing by putting the whole process to sleep and waking it back
>> up (cntrl+z fg)...  This behavior seems odd and I'm wondering if by off
>> chance anyone has
>> 1. any suggestions about this queuing system design, e.g. the use of
>> signals to communicate to a child process vs using a pipe?
>>
>
>
> It's a little early in the morning for me to comment on the rest yet, but I
> will say that POSIX signals are only guaranteed to be delivered at all,
> there is no guarantee on *when* they will be delivered.  They're not a
> reliably means of realtime communication.
>
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