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Diffstat (limited to 'ext/standard/tests/file/flock_variation1.phpt')
| -rw-r--r-- | ext/standard/tests/file/flock_variation1.phpt | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/ext/standard/tests/file/flock_variation1.phpt b/ext/standard/tests/file/flock_variation1.phpt new file mode 100644 index 0000000000..3e3f5108e8 --- /dev/null +++ b/ext/standard/tests/file/flock_variation1.phpt @@ -0,0 +1,62 @@ +--TEST-- +Test flock() function: usage variations +--CREDITS-- +Dave Kelsey <d_kelsey@uk.ibm.com> +--SKIPIF-- +<?php +if (substr(PHP_OS, 0, 3) == 'WIN') { + die('skip.. not for Windows'); +} +if (function_exists("pcntl_fork") == FALSE) { + die('skip.. no pcntl_fork()'); +} +?> +--FILE-- +<?php +/* +Prototype: bool flock(resource $handle, int $operation [, int &$wouldblock]); +Description: PHP supports a portable way of locking complete files in an advisory way +*/ + +echo "*** Test flock() function: with the operations given as numeric values ***\n"; + +$filename = dirname(__FILE__)."/flock_variation1.tmp"; +$file_handle = fopen($filename, "w"); +fwrite($file_handle, str_repeat("Hello2World", 10) ); +fclose($file_handle); + +$file_read = fopen($filename, "r"); + +$pid = pcntl_fork(); +echo "-- child process is created --\n"; +if ($pid == -1) { + die('could not fork'); +} else if ($pid) { + echo "-- Trying to get the Reader Lock --\n"; + if( flock($file_read, LOCK_EX) ) { + echo "-- Got Lock --\n"; + sleep(5); + flock($file_read, LOCK_UN); + } + else + echo "-- Couldn't get the Lock --\n"; +} else { + echo "-- Trying to get the Writer Lock --\n"; + if( flock($file_read, LOCK_EX) ) { + echo "-- Got Lock --\n"; + flock($file_read, LOCK_UN); + } + else + echo "-- Couldn't get the Lock --\n"; + +} + +echo "*** Done ***\n"; +?> +--CLEAN-- +<?php +fclose($file_read); +fclose($file_write); +unlink($filename); +?> +--EXPECTF-- |