rxvt-unicode (and all children) ignore SIGFPE

Anders Kaseorg andersk at MIT.EDU
Sat Jul 20 23:13:32 CEST 2013

My friend just ran across a problem where rxvt-unicode ignores SIGFPE, and 
its child processes inherit this state, leading to undefined behavior.  
The signal is ignored inside PERL_SYS_INIT3:


This might eventually get fixed in Perl upstream, but it seems dangerous 
enough that it’s probably worth adding a workaround in rxvt-unicode.


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