Pike v8.1 release 6

Method Stdio.Fd()->is_open()


Method is_open

int is_open()

Description

Returns true if the file is open.

Note

If the file is a socket that has been closed from the remote side, this function might still return true.

Note

Most methods can't be called for a file descriptor that isn't open. Notable exceptions errno, mode, and the set and query functions for callbacks and backend.