diff options
Diffstat (limited to 'siglist.sh')
-rwxr-xr-x | siglist.sh | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/siglist.sh b/siglist.sh new file mode 100755 index 0000000..a627a3d --- /dev/null +++ b/siglist.sh @@ -0,0 +1,46 @@ +#!/bin/sh +# $NetBSD: siglist.sh,v 1.12 2016/03/17 13:59:02 christos Exp $ +# +# Script to generate a sorted, complete list of signals, suitable +# for inclusion in trap.c as array initializer. +# + +set -e + +: ${AWK:=awk} +: ${SED:=sed} + +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" },'; + ${SED} -e '/^[ ]*#/d' -e 's/^[ ]*\([^ ][^ ]*\)[ ][ ]*\(.*[^ ]\)[ ]*$/#ifdef SIG\1\ + { QwErTy .signal = SIG\1 , .name = "\1", .mess = "\2" },\ +#endif/') > $in +# work around for gcc 5 +$CPP $in | grep -v '^#' | tr -d '\n' | ${SED} 's/},/},\ +/g' > $out +${SED} -n 's/{ QwErTy/{/p' < $out | ${AWK} '{print NR, $0}' | sort -k 5n -k 1n | + ${SED} 's/^[0-9]* //' | + ${AWK} 'BEGIN { last=0; nsigs=0; } + { + if ($4 ~ /^[0-9][0-9]*$/ && $5 == ",") { + n = $4; + if (n > 0 && n != last) { + while (++last < n) { + printf "\t{ .signal = %d , .name = NULL, .mess = `Signal %d` } ,\n", last, last; + } + print; + } + } + }' | + tr '`' '"' | grep -v '"DUMMY"' +ecode=0 |