Re: [patch-2.3.29] bugfix for pipe(2) system call.

Brandon S. Allbery KF8NH (
Thu, 25 Nov 1999 10:03:03 -0500

In message <>,
n Aivazian writes:
| it just occurred to me - there is even better solution. We can do the same
| as SCO UnixWare 7.1.0 does. I.e. to send SIGSEGV to the offender. This
| way:

Doesn't some spec or other require (or at least strongly suggest) returning
EFAULT? (Haven't "we" had that discussion before?)

At one time there was an optimized path for the double-copy: do the
verify_area early, then bypass it when doing the real copy later. I guess
this path no longer exists?

brandon s. allbery	   os/2,linux,solaris,perl
system administrator	   kthkrb,heimdal,gnome,rt
carnegie mellon / electrical and computer engineering			kf8nh
    We are Linux. Resistance is an indication that you missed the point.

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