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23 lines
396 B
Perl
23 lines
396 B
Perl
package TEAL::Semaphore;
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use strict;
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use warnings;
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require IPC::SysV;
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sub new {
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my $class = shift;
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my $self = {};
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my $key = IPC::SysV::ftok("/var/log/teal", 0x646c6100);
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$self->{ID} = semget($key, 1, 0);
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bless $self, $class;
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return $self;
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}
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sub post {
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my $self = shift;
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my $op = pack("s!3", 0, 1, 0);
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semop $self->{ID}, $op || die "failed to post"
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}
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1;
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