um: switch {rt_,}sigreturn() to set_current_blocked()

same story as on x86 native...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Al Viro 2011-08-18 20:00:19 +01:00 • committed by Richard Weinberger
commit 78722a445b
2 changed files with 3 additions and 15 deletions