new helper: sigsuspend()
guts of saved_sigmask-based sigsuspend/rt_sigsuspend. Takes
kernel sigset_t *.
Open-coded instances replaced with calling it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 8a4e2b7..f626232 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -59,15 +59,8 @@
SYSCALL_DEFINE3(sigsuspend, int, history0, int, history1, old_sigset_t, mask)
{
sigset_t blocked;
-
- current->saved_sigmask = current->blocked;
- mask &= _BLOCKABLE;
siginitset(&blocked, mask);
- set_current_blocked(&blocked);
- set_current_state(TASK_INTERRUPTIBLE);
- schedule();
- set_restore_sigmask();
- return -ERESTARTNOHAND;
+ return sigsuspend(&blocked);
}
SYSCALL_DEFINE3(sigaction, int, sig, const struct old_sigaction __user *, act,