commit 77097ae503b170120ab66dd1d547f8577193f91f
author Al Viro <viro@zeniv.linux.org.uk> Fri Apr 27 13:58:59 2012 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Fri Jun 01 12:58:51 2012 -0400
tree bee5b2e8d91b9ec8ab74c58cbec1796c7bacc2e5
parent edd63a2763bdae0daa4f0a4d4c5d61d1154352a5

most of set_current_blocked() callers want SIGKILL/SIGSTOP removed from set

Only 3 out of 63 do not.  Renamed the current variant to __set_current_blocked(),
added set_current_blocked() that will exclude unblockable signals, switched
open-coded instances to it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

include/linux/sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index ded3fb6..f34437e 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2210,7 +2210,7 @@
 static inline void restore_saved_sigmask(void)
 {
 	if (test_and_clear_restore_sigmask())
-		set_current_blocked(&current->saved_sigmask);
+		__set_current_blocked(&current->saved_sigmask);
 }
 
 static inline sigset_t *sigmask_to_save(void)

include/linux/signal.h

diff --git a/include/linux/signal.h b/include/linux/signal.h
index 17046cc..065e763 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -250,7 +250,8 @@
 extern int do_sigtimedwait(const sigset_t *, siginfo_t *,
 				const struct timespec *);
 extern int sigprocmask(int, sigset_t *, sigset_t *);
-extern void set_current_blocked(const sigset_t *);
+extern void set_current_blocked(sigset_t *);
+extern void __set_current_blocked(const sigset_t *);
 extern int show_unhandled_signals;
 extern int sigsuspend(sigset_t *);