tree a2a9a400af9c09e8d4c97acdce28578ffe630c0d
parent af6921a4b98e653fa329a274f02183917a4d07aa
author thughes <thughes@a5019735-40e9-0310-863c-91ae7b9d1cf9> 1100606925 +0000
committer thughes <thughes@a5019735-40e9-0310-863c-91ae7b9d1cf9> 1100606925 +0000

Don't try and return the old mask from sigprocmask if the user gave
a null pointer for that argument.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3020 a5019735-40e9-0310-863c-91ae7b9d1cf9