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1 #!/usr/bin/env perl |
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2 # |
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3 # Author: Makarius |
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4 # |
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5 # exec process - with optional process group and report of pid |
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6 # |
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7 |
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8 use warnings; |
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9 use strict; |
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10 |
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11 # process group |
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12 |
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13 my $group = $ARGV[0]; shift(@ARGV); |
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14 |
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15 if ($group eq "group") { |
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16 use POSIX "setsid"; |
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17 POSIX::setsid || die $!; |
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18 } |
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19 |
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20 |
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21 # report pid |
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22 |
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23 my $pid_name = $ARGV[0]; shift(@ARGV); |
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24 |
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25 if ($pid_name eq "-") { |
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26 print "$$\n"; |
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27 } |
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28 else { |
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29 open (PID_FILE, ">", $pid_name) || die $!; |
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30 print PID_FILE "$$"; |
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31 close PID_FILE; |
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32 } |
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33 |
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34 |
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35 # exec process |
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36 |
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37 my $script = $ARGV[0]; shift(@ARGV); |
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38 |
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39 if ($script eq "script") { |
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40 my $cmd_line = $ARGV[0]; shift(@ARGV); |
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41 exec $cmd_line || die $!; |
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42 } |
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43 else { |
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44 (exec { $ARGV[0] } @ARGV) || die $!; |
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45 } |
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46 |
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