1#!/bin/sh 2# $NetBSD: siglist.sh,v 1.12 2016/03/17 13:59:02 christos Exp $ 3# 4# Script to generate a sorted, complete list of signals, suitable 5# for inclusion in trap.c as array initializer. 6# 7 8set -e 9 10: ${AWK:=awk} 11: ${SED:=sed} 12 13in=tmpi$$.c 14out=tmpo$$.c 15ecode=1 16trapsigs='0 1 2 13 15' 17trap 'rm -f $in $out; trap 0; exit $ecode' $trapsigs 18 19CPP="${1-cc -E}" 20 21# The trap here to make up for a bug in bash (1.14.3(1)) that calls the trap 22(trap $trapsigs; 23 echo '#include "sh.h"'; 24 echo ' { QwErTy SIGNALS , "DUMMY" , "hook for number of signals" },'; 25 ${SED} -e '/^[ ]*#/d' -e 's/^[ ]*\([^ ][^ ]*\)[ ][ ]*\(.*[^ ]\)[ ]*$/#ifdef SIG\1\ 26 { QwErTy .signal = SIG\1 , .name = "\1", .mess = "\2" },\ 27#endif/') > $in 28# work around for gcc 5 29$CPP $in | grep -v '^#' | tr -d '\n' | ${SED} 's/},/},\ 30/g' > $out 31${SED} -n 's/{ QwErTy/{/p' < $out | ${AWK} '{print NR, $0}' | sort -k 5n -k 1n | 32 ${SED} 's/^[0-9]* //' | 33 ${AWK} 'BEGIN { last=0; nsigs=0; } 34 { 35 if ($4 ~ /^[0-9][0-9]*$/ && $5 == ",") { 36 n = $4; 37 if (n > 0 && n != last) { 38 while (++last < n) { 39 printf "\t{ .signal = %d , .name = NULL, .mess = `Signal %d` } ,\n", last, last; 40 } 41 print; 42 } 43 } 44 }' | 45 tr '`' '"' | grep -v '"DUMMY"' 46ecode=0 47