「gcoreコマンド」の編集履歴（バックアップ）一覧はこちら

「gcoreコマンド」(2010/05/01 (土) 22:31:29) の最新版変更点

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 $ cat /usr/bin/gcore
 #!/bin/sh
 
 #   Copyright (C) 2003, 2005, 2007, 2008 Free Software Foundation, Inc.
 
 # This program 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.
 #
 # This program 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/>.
 
 #
 # gcore.sh
 # Script to generate a core file of a running program.
 # It starts up gdb, attaches to the given PID and invokes the gcore command.
 #
 
 if [ "$#" -eq "0" ]
 then
     echo "usage:  gcore [-o filename] pid"
     exit 2
 fi
 
 # Need to check for -o option, but set default basename to "core".
 name=core
 
 if [ "$1" = "-o" ]
 then
     if [ "$#" -lt "3" ]
     then
         # Not enough arguments.
         echo "usage:  gcore [-o filename] pid"
         exit 2
     fi
     name=$2
 
     # Shift over to start of pid list
     shift; shift
 fi
 
 # Create a temporary file.  Use mktemp if available, but cope if it is not.
 tmpfile=`mktemp ${name}.XXXXXX 2>/dev/null` || {
   tmpfile=${name}.$$
   if test -e $tmpfile; then
     echo "Could not create temporary file $tmpfile"
     exit 1
   fi
   touch $tmpfile
 }
 trap "rm -f $tmpfile" EXIT
 
 # Initialise return code.
 rc=0
 
 # Loop through pids
 for pid in $*
 do
         # Write gdb script for pid $pid.  
         cat >>$tmpfile <<EOF
 attach $pid
 gcore $name.$pid
 detach
 quit
 EOF
 
         # `</dev/null' to avoid touching interactive terminal if it is
         # available but not accessible (SIGTTIN risk)
         gdb -x $tmpfile -batch </dev/null
 
         if [ -r $name.$pid ] ; then 
             rc=0
         else
             echo gcore: failed to create $name.$pid
             rc=1
             break
         fi
 
 
 done
 
 exit $rc