(PECL eio >= 0.0.1dev)
Adds a request to the request group.
void eio_grp_add ( resource $grp, resource $req )
eio_grp_add() adds a request to the request group.
Parameters:
grp
The request group resource returned by eio_grp()
req
The request resource
Returns:
eio_grp_add() doesn't return a value.
Examples:
Grouping requests
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | <?php/* * Create a group request to open, read and close a file */// Create temporary file and write some bytes to it$temp_filename = dirname(__FILE__) ."/eio-file.tmp";$fp = fopen($temp_filename, "w");fwrite($fp, "some data");fclose($fp);/* Is called when the group requests are done */function my_grp_done($data, $result) { var_dump($result == 0); @unlink($data);}/* Is called when eio_open() done */function my_grp_file_opened_callback($data, $result) { global $grp; // $result should contain the file descriptor var_dump($result > 0); // Create eio_read() request and add it to the group // Pass file descriptor to the callback $req = eio_read($result, 4, 0, EIO_PRI_DEFAULT, "my_grp_file_read_callback", $result); eio_grp_add($grp, $req);}/* Is called when eio_read() done */function my_grp_file_read_callback($data, $result) { global $grp; // Read bytes var_dump($result); // Create eio_close() request and add it to the group // $data should contain the file descriptor $req = eio_close($data); eio_grp_add($grp, $req);}// Create request group$grp = eio_grp("my_grp_done", $temp_filename);var_dump($grp);// Create eio_open() request and add it to the group$req = eio_open($temp_filename, EIO_O_RDWR | EIO_O_APPEND , NULL, EIO_PRI_DEFAULT, "my_grp_file_opened_callback", NULL);eio_grp_add($grp, $req);// Process requestseio_event_loop();?> |
The above example will output something similar to:
resource(6) of type (EIO Group Descriptor) bool(true) string(4) "some" bool(true)
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