mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-10-30 10:52:31 +00:00
23 lines
396 B
Perl
23 lines
396 B
Perl
package TEAL::Semaphore;
|
|
|
|
use strict;
|
|
use warnings;
|
|
require IPC::SysV;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $self = {};
|
|
my $key = IPC::SysV::ftok("/var/log/teal", 0x646c6100);
|
|
$self->{ID} = semget($key, 1, 0);
|
|
bless $self, $class;
|
|
return $self;
|
|
}
|
|
|
|
sub post {
|
|
my $self = shift;
|
|
my $op = pack("s!3", 0, 1, 0);
|
|
semop $self->{ID}, $op || die "failed to post"
|
|
}
|
|
|
|
1;
|