[Rd] Are Rprintf and REprintf thread-safe?
winstonchang1 at gmail.com
Tue Nov 21 22:12:36 CET 2017
Thanks - I'll find another way to send messages to the main thread for printing.
On Tue, Nov 21, 2017 at 12:42 PM, <luke-tierney at 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
>> 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.
>> R-devel at r-project.org mailing list
> 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-tierney at uiowa.edu
> Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu
More information about the R-devel