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https://github.com/moparisthebest/curl
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17507eac85
Wait for child processes to die to avoid creating zombies.
88 lines
2.6 KiB
Perl
88 lines
2.6 KiB
Perl
#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) 1998 - 2006, Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at http://curl.haxx.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# $Id$
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###########################################################################
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#######################################################################
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# Return the pid of the server as found in the given pid file
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#
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sub serverpid {
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my $PIDFILE = $_[0];
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open(PFILE, "<$PIDFILE");
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my $PID=0+<PFILE>;
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close(PFILE);
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return $PID;
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}
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#######################################################################
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# Check the given test server if it is still alive.
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#
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sub checkserver {
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my ($pidfile)=@_;
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my $pid=0;
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# check for pidfile
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if ( -f $pidfile ) {
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$pid=serverpid($pidfile);
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if ($pid ne "" && kill(0, $pid)) {
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return $pid;
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}
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else {
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return -$pid; # negative means dead process
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}
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}
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return 0;
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}
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#############################################################################
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# Kill a specific slave
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#
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sub ftpkillslave {
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my ($id, $ext, $verbose)=@_;
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my $base;
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for $base (('filt', 'data')) {
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my $f = ".sock$base$id$ext.pid";
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my $pid = checkserver($f);
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if($pid > 0) {
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printf ("* kill pid for %s => %d\n", "ftp-$base$id$ext", $pid) if($verbose);
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kill (9, $pid); # die!
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waitpid($pid, 0);
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}
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unlink($f);
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}
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}
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#############################################################################
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# Make sure no FTP leftovers are still running. Kill all slave processes.
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# This uses pidfiles since it might be used by other processes.
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#
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sub ftpkillslaves {
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my ($versbose) = @_;
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for $ext (("", "ipv6")) {
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for $id (("", "2")) {
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ftpkillslave ($id, $ext, $verbose);
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}
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}
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}
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1;
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