mksh/siglist.sh

42 lines
1.1 KiB
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#!/bin/sh
# $MirBSD: siglist.sh,v 1.3 2004/10/28 11:03:24 tg Exp $
# $OpenBSD: siglist.sh,v 1.4 1997/06/19 13:58:47 kstailey Exp $
#
# Script to generate a sorted, complete list of signals, suitable
# for inclusion in trap.c as array initializer.
set -e
in=tmpi$$.c
out=tmpo$$.c
ecode=1
trapsigs='0 1 2 13 15'
trap 'rm -f $in $out; trap 0; exit $ecode' $trapsigs
CPP="${1-cc -E}"
# The trap here to make up for a bug in bash (1.14.3(1)) that calls the trap
(trap $trapsigs;
echo '#include "sh.h"';
echo ' { QwErTy SIGNALS , "DUMMY" , "hook for number of signals", 0, 0, 0, 0, 0 },';
sed -e '/^[ ]*#/d' -e 's/^[ ]*\([^ ][^ ]*\)[ ][ ]*\(.*[^ ]\)[ ]*$/#ifdef SIG\1\
{ QwErTy SIG\1 , "\1", "\2", 0, 0, 0, 0, 0 },\
#endif/') > $in
$CPP $in > $out
sed -n 's/{ QwErTy/{/p' < $out | awk '{print NR, $0}' | sort +2n +0n |
sed 's/^[0-9]* //' |
awk 'BEGIN { last=0; nsigs=0; }
{
if ($2 ~ /^[0-9][0-9]*$/ && $3 == ",") {
n = $2;
if (n > 0 && n != last) {
while (++last < n) {
printf "\t{ %d , (char *) 0, `Signal %d` } ,\n", last, last;
}
print;
}
}
}' |
tr '`' '"' | grep -v '"DUMMY"'
ecode=0