eio_sync
  (PECL eio >= 0.0.1dev)
eio_sync — Commit buffer cache to disk
  
 
  说明
  
   eio_sync
    ([ 
int $pri = EIO_PRI_DEFAULT
   [, 
callable $callback = NULL
   [, 
mixed $data = NULL
  ]]] ) : 
resource 
  
  
 
 
  返回值
  
   eio_sync() returns request resource on success or FALSE on error.