I've been inspired by the talk given by Henning Brauer given at
the UKUUG Winter 2005 on writing safe signal handlers, and have set about
fixing some of them in the FreeBSD source tree.
Slides for this (well, an almost identical) presentation are at
Fix: The fix involves using a data type that can be used atomically
(sig_atomic_t), and saving errno over calls to other system calls.
For bugs matching the following criteria:
Status: In Progress Changed: (is less than) 2014-06-01
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