SIGUNUSED
Eugene Grosbein
eugen at eg.sd.rdtc.ru
Sat Nov 7 07:41:08 UTC 2009
On Sat, Nov 07, 2009 at 03:17:49AM +0100, Alexander Best wrote:
> as a side not:
> our own easyedit does exactly what you said wasn't a good programming style.
> ;) check line 554 of contrib/ee/ee.c:
>
> for (counter = 1; counter < 24; counter++)
> signal(counter, SIG_IGN);
Easy Editor is contributed software (now lives in contrib/).
Such naive signgal handling had already hurt it in the past,
f.e. plain ignore of SIGTTIN, SIGTTOU without sanity checks for
STDIN_FILENO, STDOUT_FILENO made it CPU hog for 'ee file &'
or 'ee </dev/null' in early versions.
Eugene Grosbein
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