eio_fsync
(PECL eio >= 0.0.1dev)
eio_fsync — Synchronize a file's in-core state with storage device
Description
resource eio_fsync ( mixed $fd [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]] )Synchronize a file's in-core state with storage device
Parameters
fd
Stream, Socket resource, or numeric file descriptor.
pri
The 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]); data
is custom data passed to the request.
result
request-specific result value; basically, the value returned by corresponding system call.
req
is optional request resource which can be used with functions like eio_get_last_error()
`data` Arbitrary variable passed to callback.
Return Values
eio_fsync() returns request resource on success or FALSE on error.
See Also
- eio_sync
← eio_fstatvfs
eio_ftruncate →
© 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
本文档系腾讯云开发者社区成员共同维护，如有问题请联系 cloudcommunity@tencent.com
