Thanks - I'll find another way to send messages to the main thread for printing.
-Winston On Tue, Nov 21, 2017 at 12:42 PM, <luke-tier...@uiowa.edu> wrote: > On Tue, 21 Nov 2017, Winston Chang wrote: > >> Is it safe to call Rprintf and REprintf from a background thread? I'm >> working on a package that makes calls to fprintf(stderr, ...) on a >> background thread when errors happen, but when I run R CMD check, it >> says: >> >> Compiled code should not call entry points which might terminate R nor >> write to stdout/stderr instead of to the console, nor the system RNG. >> >> Is it safe to replace these calls with REprintf()? > > > Only if you enjoy race conditions or segfaults. > > Rprintf and REprintf are not thread-safe. > > Best, > > luke > > >> >> -Winston >> >> ______________________________________________ >> R-devel@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-devel >> > > -- > Luke Tierney > Ralph E. Wareham Professor of Mathematical Sciences > University of Iowa Phone: 319-335-3386 > Department of Statistics and Fax: 319-335-3017 > Actuarial Science > 241 Schaeffer Hall email: luke-tier...@uiowa.edu > Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
