can-seek-handle? ( handle -- ? )

Vocabulary

io.ports

Inputs

handle

an object

Outputs

?

an object

Definition

USING: system ;

IN: io.ports

HOOK: can-seek-handle? os ( handle -- ? )

Methods

USING: accessors io.ports kernel system unix.ffi ;

M: unix can-seek-handle? fd>> SEEK_CUR 0 lseek -1 = not ;