Re: How to tell how much to expect from a fd

From: Eric Lammerts (eric@lammerts.org)
Date: Thu Mar 28 2002 - 08:27:52 EST


On 27 Mar 2002, Mark Atwood wrote:

> Does there exist a fcntl or some other way to tell how much data is
> "ready to be read" from a fd?

int val;
ioctl(fd, FIONREAD, &val);

See tcp(7).

Eric

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sun Mar 31 2002 - 22:00:16 EST