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* Update the mtime on the lock file to make it easy to see when a slot

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was last used.
This commit is contained in:
Eelco Dolstra 2009-03-29 18:40:44 +00:00
parent cbc1f57b48
commit 096affb55b
1 changed files with 8 additions and 4 deletions
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12
scripts/build-remote.pl.in
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@ -3,6 +3,7 @@
use strict;
use Fcntl ':flock';
use English '-no_match_vars';
use IO::Handle;
# General operation:
#
@ -79,6 +80,7 @@ flock(MAINLOCK, LOCK_EX) or die;
# Find a suitable system.
my $rightType = 0;
my $machine;
my $slotLock;
LOOP: foreach my $cur (@machines) {
if ($neededSystem eq $cur->{systemType}) {
$rightType = 1;
@ -87,13 +89,15 @@ LOOP: foreach my $cur (@machines) {
# one of the machine's lock files.
my $slot = 0;
while ($slot < $cur->{maxJobs}) {
my $slotLock = "$currentLoad/" . $cur->{systemType} . "-" . $cur->{hostName} . "-$slot";
open SLOTLOCK, ">>$slotLock" or die;
if (flock(SLOTLOCK, LOCK_EX | LOCK_NB)) {
my $slotLockFn = "$currentLoad/" . $cur->{systemType} . "-" . $cur->{hostName} . "-$slot";
$slotLock = new IO::Handle;
open $slotLock, ">>$slotLockFn" or die;
if (flock($slotLock, LOCK_EX | LOCK_NB)) {
utime undef, undef, $slotLock;
$machine = $cur;
last LOOP;
}
close SLOTLOCK;
close $slotLock;
$slot++;
}
}