Re: es1371 midi_read patch
Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 2 Sep 1999 22:06:15 +0100 (BST)
> According to "the standard", the midi read() call is supposed to work like
> a socket read. And I quote from
> http://www.4front-tech.com/pguide/midi.html:
>
> Reading from the device waits until there are at least one byte in
> the receive buffer. When the first byte is received, the driver
> will not wait for additional characters. This means that the read
> returns usually less bytes than requested.
>
> Whether or not you accept 4front-tech.com's pages as the standard, that's
> what applications will expect to see.
Your patch certainly looks correct. The difference for O_NDELAY is 'does it
wait if nothing is ready'
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