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lgorithmique
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D
istribuée
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regenerate test data for 64 bits
[simgrid.git]
/
tools
/
sg_unit_extractor.pl
diff --git
a/tools/sg_unit_extractor.pl
b/tools/sg_unit_extractor.pl
index
4e233f1
..
37b7025
100755
(executable)
--- a/
tools/sg_unit_extractor.pl
+++ b/
tools/sg_unit_extractor.pl
@@
-1,6
+1,13
@@
#! /usr/bin/perl
use strict;
#! /usr/bin/perl
use strict;
+use Fcntl ':flock';
+
+open SELF, "< $0" or die "Cannot open the lock file";
+if (!flock SELF, LOCK_EX | LOCK_NB) {
+ print STDERR "sg_unit_extractor already running. Cancelling...\n";
+ exit;
+}
my $progname="sg_unit_extractor";
# Get the args
my $progname="sg_unit_extractor";
# Get the args