git: sigaltstack(2): Bring it closer to POSIX.

[Sascha Wildner <swildner@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 3b6dbd26f398ed049b14b809f77f2a5f0e3cf226
Author: Sascha Wildner <saw@online.de>
Date:   Sat Jun 1 21:05:30 2013 +0200

    sigaltstack(2): Bring it closer to POSIX.
    
    POSIX says that sigaltstack() shall return EINVAL if the "ss argument
    is not a null pointer, and the ss_flags member pointed to by ss contains
    flags other than SS_DISABLE".

Summary of changes:
 lib/libc/sys/sigaltstack.2 | 12 ++++++++++--
 sys/kern/kern_sig.c        |  2 ++
 2 files changed, 12 insertions(+), 2 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/3b6dbd26f398ed049b14b809f77f2a5f0e3cf226


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