Jordan DeLong
30 linhas
569 B
PHP
30 linhas
569 B
PHP
<?php
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$ret = sem_get(0xDEADBEEF);
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if ($ret === false) { echo "failed\n"; exit(1); }
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$sem = $ret;
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$now = microtime(true);
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var_dump(sem_acquire($sem));
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$pid = pcntl_fork();
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if ($pid == 0) {
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$sem = sem_get(0xDEADBEEF);
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if (sem_acquire($sem) !== true) {
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echo "oops1\n";
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}
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// This isn't a sure test, but may be false if sem_acquire() didn't work
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$then = microtime(true);
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if (!($then - $now > 1)) {
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echo "oops: $then $now\n";
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}
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sem_release($sem);
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sem_remove($sem);
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exit(0);
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}
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sleep(3); // aha
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sem_release($sem);
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pcntl_waitpid($pid, $status);
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