git: libc/sigaltstack: Return EPERM upon disabling the active stack, not EINVAL.

[Sascha Wildner]

commit 2751491f2849a3be07e862044266942700086f8a
Author: Sascha Wildner <saw at online.de>
Date:   Tue Jan 27 22:54:57 2015 +0100

    libc/sigaltstack: Return EPERM upon disabling the active stack, not EINVAL.
    
    Per POSIX, FreeBSD and OpenBSD agree too. NetBSD doesn't, hmmm.

Summary of changes:
 lib/libc/sys/sigaltstack.2 | 8 ++++----
 sys/kern/kern_sig.c        | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/2751491f2849a3be07e862044266942700086f8a


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