Ludovic Courtès, le ven. 25 nov. 2022 12:35:58 +0100, a ecrit:
> Let’s assume you do this:
>
> mkfifo fifo
> rpctrace cat fifo
>
> I think there’s at least one bug here: ‘dir_lookup’ should complete
> immediately; it’s ‘io_read’ that should block.
? No. Open Group says about open():
○ If O_NONBLOCK is clear, an open() for reading-only shall block the
calling thread until a thread opens the file for writing. An open()
for writing-only shall block the calling thread until a thread
opens the file for reading.
(and Linux does that indeed)
Samuel
