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signal handling to cleanup on SIGINT and SIGTERM

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This commit is contained in:
Yang Tse 2009-12-03 13:12:04 +00:00
parent fb2425b147
commit 636d2fe00a
1 changed files with 8 additions and 6 deletions
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14
tests/ftpserver.pl
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@ -122,16 +122,16 @@ do {
sub catch_zap {
my $signame = shift;
print STDERR "ftpserver.pl received SIG$signame, exiting\n";
ftpkillslaves(1);
unlink($pidfile);
if($serverlogslocked) {
$serverlogslocked = 0;
clear_advisor_read_lock($SERVERLOGS_LOCK);
}
die "Somebody sent me a SIG$signame";
exit;
}
$SIG{INT} = \&catch_zap;
$SIG{KILL} = \&catch_zap;
$SIG{TERM} = \&catch_zap;
my $sfpid;
@ -153,6 +153,7 @@ sub sysread_or_die {
logmsg "Error: ftp$ftpdnum$ext sysread error: $!\n";
kill(9, $sfpid);
waitpid($sfpid, 0);
unlink($pidfile);
if($serverlogslocked) {
$serverlogslocked = 0;
clear_advisor_read_lock($SERVERLOGS_LOCK);
@ -166,6 +167,7 @@ sub sysread_or_die {
logmsg "Error: ftp$ftpdnum$ext read zero\n";
kill(9, $sfpid);
waitpid($sfpid, 0);
unlink($pidfile);
if($serverlogslocked) {
$serverlogslocked = 0;
clear_advisor_read_lock($SERVERLOGS_LOCK);
@ -191,6 +193,7 @@ sub startsf {
logmsg "Failed sockfilt command: $cmd\n";
kill(9, $sfpid);
waitpid($sfpid, 0);
unlink($pidfile);
if($serverlogslocked) {
$serverlogslocked = 0;
clear_advisor_read_lock($SERVERLOGS_LOCK);
@ -199,9 +202,6 @@ sub startsf {
}
}
# remove the file here so that if startsf() fails, it is very noticeable
unlink($pidfile);
startsf();
logmsg sprintf("FTP server listens on port IPv%d/$port\n", $ipv6?6:4);
@ -939,6 +939,8 @@ while(1) {
print SFWRITE "QUIT\n";
waitpid $sfpid, 0;
unlink($pidfile);
if($serverlogslocked) {
$serverlogslocked = 0;
clear_advisor_read_lock($SERVERLOGS_LOCK);