commit 68f3f16d9ad0f1e28ab3fd0001ab5798c41f15a3
author Al Viro <viro@zeniv.linux.org.uk> Mon May 21 21:42:32 2012 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Mon May 21 23:52:30 2012 -0400
tree fd023109413f5eb28b364663fdf4bf2eabca47d4
parent bf67f3a5c456a18f2e8d062f7e88506ef2cd9837

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>

arch/cris/arch-v10/kernel/signal.c

diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c
index 289c584..170f497 100644
--- a/arch/cris/arch-v10/kernel/signal.c
+++ b/arch/cris/arch-v10/kernel/signal.c
@@ -48,19 +48,11 @@
  * dummy arguments to be able to reach the regs argument.  (Note that this
  * arrangement relies on old_sigset_t occupying one register.)
  */
-int sys_sigsuspend(old_sigset_t mask, long r11, long r12, long r13, long mof,
-	long srp, struct pt_regs *regs)
+int sys_sigsuspend(old_sigset_t mask)
 {
-	mask &= _BLOCKABLE;
-	spin_lock_irq(&current->sighand->siglock);
-	current->saved_sigmask = current->blocked;
-	siginitset(&current->blocked, mask);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-	current->state = TASK_INTERRUPTIBLE;
-	schedule();
-	set_thread_flag(TIF_RESTORE_SIGMASK);
-	return -ERESTARTNOHAND;
+	sigset_t blocked;
+	siginitset(&blocked, mask);
+	return sigsuspend(&blocked);
 }
 
 int sys_sigaction(int sig, const struct old_sigaction __user *act,

arch/cris/arch-v32/kernel/signal.c

diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c
index ce4ab1a..e090832 100644
--- a/arch/cris/arch-v32/kernel/signal.c
+++ b/arch/cris/arch-v32/kernel/signal.c
@@ -59,19 +59,11 @@
  * dummy arguments to be able to reach the regs argument.
  */
 int
-sys_sigsuspend(old_sigset_t mask, long r11, long r12, long r13, long mof,
-	       long srp, struct pt_regs *regs)
+sys_sigsuspend(old_sigset_t mask)
 {
-	mask &= _BLOCKABLE;
-	spin_lock_irq(&current->sighand->siglock);
-	current->saved_sigmask = current->blocked;
-	siginitset(&current->blocked, mask);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-	current->state = TASK_INTERRUPTIBLE;
-	schedule();
-	set_thread_flag(TIF_RESTORE_SIGMASK);
-	return -ERESTARTNOHAND;
+	sigset_t blocked;
+	siginitset(&blocked, mask);
+	return sigsuspend(&blocked);
 }
 
 int