ScotlandPHP

eio_fstatvfs

(PECL eio >= 0.0.1dev)

eio_fstatvfsGet file system statistics

说明

resource eio_fstatvfs ( mixed $fd , int $pri , callable $callback [, mixed $data ] )

eio_fstatvfs() returns file system statistics in result of callback.

参数

fd

A file descriptor of a file within the mounted file system.

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.

返回值

eio_fstatvfs() returns request resource on success or FALSE on error.

参见

  • eio_statvfs
add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top