--- loncom/Attic/lonc 2000/12/05 19:03:55 1.10
+++ loncom/Attic/lonc 2000/12/06 18:05:51 1.11
@@ -35,24 +35,10 @@ sub catchexception {
$SIG{__DIE__}='DEFAULT';
&logthis("CRITICAL: "
."ABNORMAL EXIT. Child $$ for server $wasserver died through "
- ."$signal with this parameter->[$@]");
+ ."\"$signal\" with this parameter->[$@]");
die($@);
}
-# grabs exception and records it to log before exiting
-# NOTE: we must NOT use the regular (non-overrided) die function in
-# the code because a handler CANNOT be attached to it
-# (despite what some of the documentation says about SIG{__DIE__}.
-sub catchdie {
- my ($message)=@_;
- $SIG{'QUIT'}='DEFAULT';
- $SIG{__DIE__}='DEFAULT';
- &logthis("CRITICAL: "
- ."ABNORMAL EXIT. Child $$ for server $wasserver died through "
- ."\_\_DIE\_\_ with this parameter->[$message]");
- die($message);
-}
-
$childmaxattempts=10;
# -------------------------------- Set signal handlers to record abnormal exits
@@ -62,8 +48,7 @@ $SIG{__DIE__}=\&catchexception;
# ------------------------------------ Read httpd access.conf and get variables
-open (CONFIG,"/etc/httpd/conf/access.conf")
- || catchdie "Can't read access.conf";
+open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
while ($configline=) {
if ($configline =~ /PerlSetVar/) {
@@ -82,13 +67,12 @@ if (-e $pidfile) {
my $lfh=IO::File->new("$pidfile");
my $pide=<$lfh>;
chomp($pide);
- if (kill 0 => $pide) { catchdie "already running"; }
+ if (kill 0 => $pide) { die "already running"; }
}
# ------------------------------------------------------------- Read hosts file
-open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab")
- || catchdie "Can't read host file";
+open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file";
while ($configline=) {
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
@@ -189,9 +173,9 @@ sub logperm {
$fpid=fork;
exit if $fpid;
-catchdie "Couldn't fork: $!" unless defined ($fpid);
+die "Couldn't fork: $!" unless defined ($fpid);
-POSIX::setsid() or catchdie "Can't start new session: $!";
+POSIX::setsid() or die "Can't start new session: $!";
# ------------------------------------------------------- Write our PID on disk
@@ -246,14 +230,14 @@ sub make_new_child {
# block signal for fork
$sigset = POSIX::SigSet->new(SIGINT);
sigprocmask(SIG_BLOCK, $sigset)
- or catchdie "Can't block SIGINT for fork: $!\n";
+ or die "Can't block SIGINT for fork: $!\n";
- catchdie "fork: $!" unless defined ($pid = fork);
+ die "fork: $!" unless defined ($pid = fork);
if ($pid) {
# Parent records the child's birth and returns.
sigprocmask(SIG_UNBLOCK, $sigset)
- or catchdie "Can't unblock SIGINT for fork: $!\n";
+ or die "Can't unblock SIGINT for fork: $!\n";
$children{$pid} = $conserver;
$childpid{$conserver} = $pid;
return;
@@ -263,7 +247,7 @@ sub make_new_child {
# unblock signals
sigprocmask(SIG_UNBLOCK, $sigset)
- or catchdie "Can't unblock SIGINT for fork: $!\n";
+ or die "Can't unblock SIGINT for fork: $!\n";
# ----------------------------- This is the modified main program of non-forker
@@ -530,8 +514,8 @@ sub nonblock {
$flags = fcntl($socket, F_GETFL, 0)
- or catchdie "Can't get flags for socket: $!\n";
+ or die "Can't get flags for socket: $!\n";
fcntl($socket, F_SETFL, $flags | O_NONBLOCK)
- or catchdie "Can't make socket nonblocking: $!\n";
+ or die "Can't make socket nonblocking: $!\n";
}