Re: sigpending() incorrectly returns signals pending on other threads

[Corinna Vinschen <corinna-cygwin at cygwin dot com>]

On Jul  6 19:15, Kenton Varda wrote:
> I found a second problem which may or may not be related:
> 
> If two threads use pthread_kill() to send each other the same signal,
> such that the signal should be separately pending on both threads at
> the same time, only one of the two signals is actually queued. It
> seems that pthread_kill() is ignored if the same signal is already
> pending on some other thread.

The current signal mechanism in Cygwin only allows for a signal to be
queued once.  Changing that is a pretty ambitioned task, which I simply
don't have enought time for.  However, patches to change that are more
than welcome.


Corinna

-- 
Corinna Vinschen
Cygwin Maintainer

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