Re: [Boost-users] Boost Interprocess condition variables

Subject: Re: [Boost-users] Boost Interprocess condition variables
From: Federico Golfrè Andreasi (federico.golfre_at_[hidden])
Date: 2009-01-10 05:45:03

Thank you for your answer,
but process 2 is not a child of process 1, and so SIGCHLD is not send.

Infact process 2 is executed from process 1 using an MPI routine
called MPI_Comm_spawn.

Do you see other approach I can try?

thank you.

2009/1/9 Zeljko Vrba <zvrba_at_[hidden]>

> On Fri, Jan 09, 2009 at 10:06:00AM +0100, Federico Golfrè Andreasi wrote:
> > Hi!
> >
> > I'm using condition variables of Boost.interprocess 1.36.0 to manage a
> > synchronized access to a shared memory segment by two tasks.
> > I found a problem when: task 1 is waiting on a condition variable and
> task 2
> > crashes during his execution, so task 1 waits forever on that variable.
> >
> > How can I kill also task 1?
> >
> On UNIX, process 1 should get SIGCHLD when process 2 terminates in any way.
> The signal should interrupt waiting on the condition variable.  By
> installing the appropriate signal handler, you can terminate process 1.
> I'm not sure how to do this under Windows.
>
>
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