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This document uses PHP Chinese website manual Release
(PECL eio >= 0.0.1dev)
eio_fchown — Change file ownership
$fd
, int $uid
[, int $gid
= -1
[, int $pri
= EIO_PRI_DEFAULT
[, callable $callback
= NULL
[, mixed $data
= NULL
]]]] ) eio_fchown() changes ownership of the file specified by
fd
file descriptor.
fd
Stream, Socket resource, or numeric file descriptor.
uid
User ID. Is ignored when equal to -1.
gid
Group ID. Is ignored when equal to -1.
pri
请求的优先级: EIO_PRI_DEFAULT
, EIO_PRI_MIN
, EIO_PRI_MAX
或 NULL
。如果是
NULL
,pri
将设为
EIO_PRI_DEFAULT
。
callback
callback
函数在请求完成时被调用。其应匹配一下原型:
void callback(mixed $data, int $result[, resource $req]);
data
传递给请求的用户数据。
result
针对请求的结果的值。通常是相应的系统调用返回的值。
req
可选的请求资源,可被 eio_get_last_error() 之类的函数使用。
data
Arbitrary variable passed to callback
.