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49 lines
1.1 KiB
PHP
49 lines
1.1 KiB
PHP
--TEST--
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Test function pcntl_fork() by testing the process isolation in the forking hierarchy father -> son -> grandson where father can not knows his grandson
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--CREDITS--
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Marco Fabbri mrfabbri@gmail.com
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Francesco Fullone ff@ideato.it
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#PHPTestFest Cesena Italia on 2009-06-20
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--SKIPIF--
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<?php
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if (!extension_loaded('pcntl')) die('skip pcntl extension not available');
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elseif (!extension_loaded('posix')) die('skip posix extension not available');
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?>
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--FILE--
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<?php
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echo "*** Testing the process isolations between a process and its forks ***\n";
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$pid = pcntl_fork();
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if ($pid > 0) {
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pcntl_wait($status);
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echo "father is $pid\n";
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if (!isset($pid2))
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{
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echo "father ($pid) doesn't know its grandsons\n";
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}
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}
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else
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{
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echo "son ($pid)\n";
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$pid2 = pcntl_fork();
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if ($pid2 > 0)
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{
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pcntl_wait($status2);
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echo "son is father of $pid2\n";
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}
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else
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{
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echo "grandson ($pid2)\n";
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}
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}
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?>
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--EXPECTF--
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*** Testing the process isolations between a process and its forks ***
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son (0)
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grandson (0)
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son is father of %d
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father is %d
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father (%d) doesn't know its grandsons
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