diff options
| author | ivan <ivan> | 2002-10-28 13:22:45 +0000 |
|---|---|---|
| committer | ivan <ivan> | 2002-10-28 13:22:45 +0000 |
| commit | 749cce349c6801e6d75834065197c3aceddda599 (patch) | |
| tree | 7ff9ec15992582b5538c2ba076c9772f3d4bd877 /FS/bin/freeside-queued | |
| parent | 3702269ee9f6a63572f6e915ace56d70b5080033 (diff) | |
signal-less queued child handling (closes: Bug#477)
Diffstat (limited to 'FS/bin/freeside-queued')
| -rw-r--r-- | FS/bin/freeside-queued | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/FS/bin/freeside-queued b/FS/bin/freeside-queued index 311fe62..6ea27c0 100644 --- a/FS/bin/freeside-queued +++ b/FS/bin/freeside-queued @@ -1,10 +1,10 @@ #!/usr/bin/perl -w use strict; -use vars qw( $log_file $sigterm $sigint $kids $max_kids ); +use vars qw( $log_file $sigterm $sigint $kids $max_kids %kids ); use subs qw( _die _logmsg ); use Fcntl qw(:flock); -use POSIX qw(setsid); +use POSIX qw(:sys_wait_h setsid); use Date::Format; use IO::File; use FS::UID qw(adminsuidsetup forksuidsetup driver_name dbh); @@ -28,8 +28,8 @@ my $pid_file = "/var/run/freeside-queued.pid"; &daemonize1; -sub REAPER { my $pid = wait; $SIG{CHLD} = \&REAPER; $kids--; } -$SIG{CHLD} = \&REAPER; +#sub REAPER { my $pid = wait; $SIG{CHLD} = \&REAPER; $kids--; } +#$SIG{CHLD} = \&REAPER; $sigterm = 0; $sigint = 0; @@ -65,9 +65,11 @@ warn "freeside-queued starting\n"; my $warnkids=0; while (1) { + &reap_kids; #prevent runaway forking if ( $kids >= $max_kids ) { warn "WARNING: maximum $kids children reached\n" unless $warnkids++; + &reap_kids; sleep 1; #waiting for signals is cheap next; } @@ -131,6 +133,7 @@ while (1) { if ( $pid ) { $kids++; + $kids{$pid} = 1; } else { #kid time #get new db handle @@ -230,6 +233,16 @@ sub daemonize2 { open STDERR, '>&STDOUT' or die "Can't dup stdout: $!"; } +sub reap_kids { + foreach my $pid ( keys %kids ) { + my $kid = waitpid($pid, WNOHANG); + if ( $kid > 0 ) { + $kids--; + delete $kids{$kid}; + } + } +} + =head1 NAME freeside-queued - Job queue daemon |