Thanks Martin and Luke, I think the only way to go is to only use the main
thread to handle the screen output.
-Original Message-
From: Tierney, Luke
Sent: Wednesday, 30 January 2019 1:16 AM
To: Yang Liao
Cc: bioc-devel@r-project.org
Subject: Re: [Bioc-devel] Rprintf in a multi
No functions in the R API are safe to call from any thread other than
the R main thread.
-- Many may need to allocate from the R heap (more as ALTREP evaolves)
and that is not thread safe;
-- Many (and with some compilation options nearly all) can signal an
error, and the subsequent jump
Printing from multiple workers to stdout is problematic anyway, because the
output from different workers is not intrinsically synchronized -- they will
appear interleaved with each other.
Generally for forked processes connections (to stdout, files, databases, urls,
...) need to be opened on t
