(PECL eio >= 0.0.1dev)
eio_fstat — Get file status
eio_fstat() returns file status information in
result argument of callback
fdStream, Socket resource, or numeric file descriptor.
priThe request priority: EIO_PRI_DEFAULT , EIO_PRI_MIN , EIO_PRI_MAX , or null .
If null passed, pri internally is set to
EIO_PRI_DEFAULT .
callback
callback function is called when the request is done.
It should match the following prototype:
void callback(mixed $data, int $result[, resource $req]);datais custom data passed to the request.
resultrequest-specific result value; basically, the value returned by corresponding system call.
reqis optional request resource which can be used with functions like eio_get_last_error() .
data
Arbitrary variable passed to callback.
eio_busy() returns request resource on success, or false on failure.
Example #1 eio_lstat() example
<?php
// Create temporary file
$tmp_filename = dirname(__FILE__) ."/eio-file.tmp";
touch($tmp_filename);
/* Is called when eio_fstat() done */
function my_res_cb($data, $result) {
// Should output array with stat info
var_dump($result);
if ($data['fd']) {
// Close temporary file
eio_close($data['fd']);
eio_event_loop();
}
// Remove temporary file
@unlink($data['file']);
}
/* Is called when eio_open() done */
function my_open_cb($data, $result) {
// Prepare data for callback
$d = array(
'fd' => $result,
'file'=> $data
);
// Request stat info
eio_fstat($result, EIO_PRI_DEFAULT, "my_res_cb", $d);
// Process request(s)
eio_event_loop();
}
// Open temporary file
eio_open($tmp_filename, EIO_O_RDONLY, NULL, EIO_PRI_DEFAULT,
"my_open_cb", $tmp_filename);
eio_event_loop();
?>The above example will output something similar to:
array(12) {
["st_dev"]=>
int(2050)
["st_ino"]=>
int(2489159)
["st_mode"]=>
int(33188)
["st_nlink"]=>
int(1)
["st_uid"]=>
int(1000)
["st_gid"]=>
int(100)
["st_rdev"]=>
int(0)
["st_blksize"]=>
int(4096)
["st_blocks"]=>
int(0)
["st_atime"]=>
int(1318239506)
["st_mtime"]=>
int(1318239506)
["st_ctime"]=>
int(1318239506)
}