tell-handle ( handle -- n )

Vocabulary

io.ports

Inputs

handle

an object

Outputs

n

an object

Definition

USING: system ;

IN: io.ports

HOOK: tell-handle os ( handle -- n )

Methods

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

M: unix tell-handle
    fd>> 0 SEEK_CUR [ lseek ] unix-system-call
    [ io-error ] [ ] bi ;