53 lines
1.3 KiB
PHP
53 lines
1.3 KiB
PHP
--TEST--
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Test flock() function: Basic functionality
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--FILE--
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<?php
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/*
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Description: PHP supports a portable way of locking complete files
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in an advisory way
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*/
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echo "*** Testing flock() fun with file and dir ***\n";
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$lock_file = preg_replace("~\.phpt?$~", '', __FILE__);
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/*
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On Solaris, flock() is emulated via fcntl(). A shared lock (LOCK_SH) maps to
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F_RDLCK, which requires the file descriptor to be open for reading. Using "w"
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opens write-only and causes EBADF on Solaris. Open with "w+" so LOCK_SH works
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portably across platforms.
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*/
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$file_handle = fopen($lock_file, "w+");
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var_dump(flock($file_handle, LOCK_SH|LOCK_NB));
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var_dump(flock($file_handle, LOCK_UN));
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var_dump(flock($file_handle, LOCK_EX));
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var_dump(flock($file_handle, LOCK_UN));
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fclose($file_handle);
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unlink($lock_file);
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$lock_dir = sprintf("%s.dir", preg_replace("~\.phpt?$~", '', __FILE__));
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mkdir($lock_dir);
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$dir_handle = opendir($lock_dir);
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var_dump(flock($dir_handle, LOCK_SH|LOCK_NB));
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var_dump(flock($dir_handle, LOCK_UN));
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var_dump(flock($dir_handle, LOCK_EX));
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var_dump(flock($dir_handle, LOCK_UN));
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closedir($dir_handle);
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rmdir($lock_dir);
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echo "\n*** Done ***\n";
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?>
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--EXPECT--
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*** Testing flock() fun with file and dir ***
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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*** Done ***
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