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Diffstat (limited to 'compat/strsignal.def')
| -rw-r--r-- | compat/strsignal.def | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/compat/strsignal.def b/compat/strsignal.def new file mode 100644 index 0000000..f645d10 --- /dev/null +++ b/compat/strsignal.def @@ -0,0 +1,151 @@ +autogen definitions strsignal; + +/* + * Dynamic definitions for creating the strsignal.h header file + * + * This file is part of AutoGen. + * + * AutoGen Copyright (c) 1992-2012 by Bruce Korb - all rights reserved + * + * AutoGen is free software: you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * AutoGen is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#shell + +RE_sigfind='[A-Z12]+[ ]+[1-9][0-9]*' +RE_sigdef='^#[ ]*define[ ][ ]*_*SIG' +RE_inc='^#[ ]*include[ ][ ]*<' + +threshold=5 # minimum number of signals to accept +num=0 # number of signals defined in this file +seen="" # include files already searched +files="sys/signal.h" # initial files to search + +cd /usr/include +while test -n "$files" +do + for file in $files; do + # look for $threshold or more matches in one of the search files + test -f $file || continue + sigs=`egrep "$RE_sigdef$RE_sigfind" $file|sed "s,$RE_sigdef,,"` + test -z "$sigs" || num=`echo "$sigs" | wc -l` + test $num -lt $threshold || break + seen="$file $seen" + done + test $num -lt $threshold || break + + # IF no file has $threshold or better SIG matches; + # generate a new search list from all files #included from the old list + newfiles="" + for file in $files; do + test -f $file || continue + new=`egrep "$RE_inc" $file|sed "s,$RE_inc,,"';s,>.*$,,'` + newfiles=" $new $newfiles" + done + + # remove any files that have been searched previously + for file in $seen; do + newfiles=`echo "$newfiles"|sed "s, $file , ,g"` + done + + # set the search list for the next iteration + files="$newfiles" + num=0 +done + +if test $num -lt $threshold +then + echo "WARNING: cannot find signal definitions in $seen" >&2 + echo "using POSIX + ANSI signal definitions" >&2 + cat <<- _EOF_ + signal[ 1 ] = { signame = SIGHUP; + sigtext = "Hangup (POSIX)."; }; + signal[ 2 ] = { signame = SIGINT; + sigtext = "Interrupt (ANSI)."; }; + signal[ 3 ] = { signame = SIGQUIT; + sigtext = "Quit (POSIX)."; }; + signal[ 4 ] = { signame = SIGILL; + sigtext = "Illegal instruction (ANSI)."; }; + signal[ 5 ] = { signame = SIGTRAP; + sigtext = "Trace trap (POSIX)."; }; + signal[ 6 ] = { signame = SIGABRT; + sigtext = "Abort (ANSI)."; }; + signal[ 8 ] = { signame = SIGFPE; + sigtext = "Floating-point exception (ANSI)."; }; + signal[ 9 ] = { signame = SIGKILL; + sigtext = "Kill, unblockable (POSIX)."; }; + signal[ 10 ] = { signame = SIGUSR1; + sigtext = "User-defined signal 1 (POSIX)."; }; + signal[ 11 ] = { signame = SIGSEGV; + sigtext = "Segmentation violation (ANSI)."; }; + signal[ 12 ] = { signame = SIGUSR2; + sigtext = "User-defined signal 2 (POSIX)."; }; + signal[ 13 ] = { signame = SIGPIPE; + sigtext = "Broken pipe (POSIX)."; }; + signal[ 14 ] = { signame = SIGALRM; + sigtext = "Alarm clock (POSIX)."; }; + signal[ 15 ] = { signame = SIGTERM; + sigtext = "Termination (ANSI)."; }; + signal[ 17 ] = { signame = SIGCHLD; + sigtext = "Child status has changed (POSIX)."; }; + signal[ 18 ] = { signame = SIGCONT; + sigtext = "Continue (POSIX)."; }; + signal[ 19 ] = { signame = SIGSTOP; + sigtext = "Stop, unblockable (POSIX)."; }; + signal[ 20 ] = { signame = SIGTSTP; + sigtext = "Keyboard stop (POSIX)."; }; + signal[ 21 ] = { signame = SIGTTIN; + sigtext = "Background read from tty (POSIX)."; }; + signal[ 22 ] = { signame = SIGTTOU; + sigtext = "Background write to tty (POSIX)."; }; +_EOF_ + +else + echo "$sigs" | + while read SIG NUM f + do + # IF the "signal number" is octal or hex or non-numeric, + # THEN we know it is a value we are not interested in + # + case ${NUM} in + *[A-Za-z_]* ) + continue ;; + esac + + # Sometimes, there are aliases. Accept only the first. + # + if eval test ! -z \"\$HAVE_${NUM}\" + then continue ; fi + + # We also know we are not interested in super large numbers + # (e.g. SIGSTKSZ 8192) + # + if test ${NUM} -gt 127 + then continue ; fi + + eval HAVE_${NUM}=1 + f=`echo "$f" | sed -e 's;/\*[ ]*;;' -e 's;[ ]*\*/;;'` + if test -z "$f" + then f="Undescribed: SIG${SIG} (${NUM})" ; fi + + cat <<- _EOF_ + signal[ ${NUM} ] = { + signame = ${SIG}; + sigtext = "$f"; + }; + + _EOF_ + done +fi +#endshell |