/usr/share/perl5/AMC/Queue.pm is in auto-multiple-choice-common 1.2.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | #
# Copyright (C) 2008-2010,2012 Alexis Bienvenue <paamc@passoire.fr>
#
# This file is part of Auto-Multiple-Choice
#
# Auto-Multiple-Choice 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 2 of
# the License, or (at your option) any later version.
#
# Auto-Multiple-Choice 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 Auto-Multiple-Choice. If not, see
# <http://www.gnu.org/licenses/>.
package AMC::Queue;
use AMC::Basic;
use Module::Load;
use Module::Load::Conditional qw/check_install/;
# recupere le nombre de CPU, avec Sys::CPU si ce module est installe
sub get_ncpu {
my $n=0;
if(check_install(module=>"Sys::CPU")) {
load("Sys::CPU");
debug_pm_version("Sys::CPU");
$n=Sys::CPU::cpu_count();
} else {
open(CI,"/proc/cpuinfo");
while(<CI>) {
$n++ if(/^processor\s*:/);
}
close(CI);
}
$n=1 if($n<=0);
return($n);
}
sub new {
my (%o)=@_;
my $self={'pids'=>[],
'queue'=>[],
'max.procs'=>0,
};
for my $k (keys %o) {
$self->{$k}=$o{$k} if(defined($self->{$k}));
}
if($self->{'max.procs'}<1) {
$self->{'max.procs'}=get_ncpu();
debug "Max number of processes: ".$self->{'max.procs'};
}
bless $self;
return($self);
}
sub add_process {
my ($self,@o)=@_;
push @{$self->{'queue'}},[@o];
}
sub maj {
my ($self)=@_;
my @p=();
for my $pid (@{$self->{'pids'}}) {
push @p,$pid if(kill(0,$pid));
}
@{$self->{'pids'}}=@p;
debug "MAJ : ".join(' ',@p);
return(1+$#{$self->{'pids'}});
}
sub killall {
my ($self)=@_;
$self->{'queue'}=[];
print "Queue interruption\n";
for my $p (@{$self->{'pids'}}) {
print "Queue: killing $p\n";
kill 9,$p;
}
}
sub run {
my ($self,$subsys)=@_;
debug "Queue RUN";
while(@{$self->{'queue'}}) {
while($self->maj() < $self->{'max.procs'}
&& @{$self->{'queue'}}) {
my $cs=shift(@{$self->{'queue'}});
if($cs) {
my $p=fork();
if($p) {
debug "Fork : $p";
push @{$self->{'pids'}},$p;
} else {
if(ref($cs->[0]) eq 'ARRAY') {
for my $c (@$cs) {
debug "Command [$$] : ".join(' ',@$c);
if(system(@$c)==0) {
debug "Command [$$] OK";
} else {
debug "Error [$$] : $?\n";
}
}
exit(0);
} elsif(ref($cs->[0]) eq 'CODE') {
my $c=shift @$cs;
&$c(@$cs);
exit(0);
} else {
debug "Command [$$] : ".join(' ',@$cs);
exec(@$cs);
debug "Bad exec $$ [".$cs->[0]."] unknown command";
die "Unknown command";
}
}
} else {
debug "Queue empty";
}
}
waitpid(-1,0);
}
while($self->maj()) {
debug("Waiting for all childs to end...");
waitpid(-1,0);
}
debug("Leaving queue.");
}
1;
|