Re: [PATCH v2] net: handle error more gracefully in socketpair()

From: David Miller
Date: Thu Dec 05 2013 - 19:44:03 EST


From: Yann Droneaud <ydroneaud@xxxxxxxxxx>
Date: Fri, 06 Dec 2013 00:15:31 +0100

> AFAIK, using sys_close() seems to be the exception, and writing the file
> descriptor before installing it is the more or less the norm.

What other system call in the kernel writes a file descriptor's value
into the address space of a user process before the file descriptor
is actually usable?

That's really terrible semantically.
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