On Tue, Apr 12, 2011 at 3:58 PM, Murray Stokely <mur...@stokely.org> wrote: > What are the ramifications of setting up user signal handling to allow > the use of e.g. alarm(2) to send a SIGALRM to the R process at some > number of seconds in the future to e.g. interrupt a routine that is > taking too long to complete. > > I can't find any R language support for this (e.g. a timeout argument > to tryCatch() would be ideal), so am wondering what kinds of problems > are to be expected if I do this with native C code in a package. > > Are there other ways to accomplish timeouts for blocks of R code like this?
See R help thread 'Time out for a R Function' on 2010-12-06 [http://www.mail-archive.com/r-help@r-project.org/msg119344.html]. As explained there, R provides setTimeLimit(), which is cross platform so you don't have to rely on OS-specific signals. In R.utils there is evalWithTimeout(), which utilizes setTimeLimit(). /Henrik > > - Murray > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel