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sigusr
2016 Aug 02
1
[R] Fwd: Help: malloc/free deadlock in unsafe signal handler 'Rf_onsigusr1'
Redirecting to R-devel
I don't recall how long the SUGUSR handlers have been in R -- you can
check in svn if you like -- it's been a long time. The intention is
for them to serve as an emergency break -- a chance of possibly saving
the workspace when you get stuck in an infinite loop in C/Fortran code
that cant be interrupted by a SIGINT. This can'...