php教程

eio_fchown

(PECL eio >= 0.0.1dev)

eio_fchownChange file ownership

说明

eio_fchown ( mixed $fd , int $uid [, int $gid = -1 [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]]] ) : resource

eio_fchown() changes ownership of the file specified by fd file descriptor.

参数

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_DEFAULTEIO_PRI_MINEIO_PRI_MAXNULL。如果是 NULLpri 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.

参见

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