Hi, I am also interest in ways to in R send signals to other R sessions/processes, ideally in (what appears to be) an OS-independent way. For what it is worth, related question have been asked before, cf. R-devel thread 'Sending signals to current R process from R running under MS Windows (c.f. Esc)' started on 2009-11-28:
http://www.mail-archive.com/r-de...@r-project.org/msg18790.html Still no workable suggestions/solutions AFAIK. /Henrik On Wed, Nov 3, 2010 at 2:55 PM, Steve Lianoglou <mailinglist.honey...@gmail.com> wrote: > Hi all, > > Sometimes I'll find myself "ctrl-c"-ing like a madman to kill some > code that's parallelized via foreach/doMC when I realized that I just > set my cpu off to do something boneheaded, and it will keep doing that > thing for a while. > > In these situations, since I interrupted its normal execution, > foreach/doMC doesn't "clean up" after itself by killing the processes > that were spawned. Furthermore, I believe that when I quit my "main" R > session, the spawned processes still remain (there, but idle). > > I can go in via terminal (or some task manager/activity monitor) and > kill them manually, but does foreach (or something else (maybe > multicore?)) keep track of the process IDs that it spawned? > > Is there some simple doCleanup() function I can write to get these R > processes and kill them automagically? > > For what it's worth, I'm running on linux & os x, R-2.12 and the > latest versions of foreach/doMC/multicore (though, I feel like this > has been true since I've started using foreach/doMC way back when). > > Thanks, > -steve > > -- > Steve Lianoglou > Graduate Student: Computational Systems Biology > | Memorial Sloan-Kettering Cancer Center > | Weill Medical College of Cornell University > Contact Info: http://cbio.mskcc.org/~lianos/contact > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.