-extern asmlinkage int restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc);
-extern int inline setup_sigcontext(struct pt_regs *regs, struct sigcontext *sc);
+extern void sigset_from_compat (sigset_t *set, compat_sigset_t *compat);
+
+save_static_function(sysn32_rt_sigsuspend);
+__attribute_used__ noinline static int
+_sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
+{
+ compat_sigset_t __user *unewset;
+ compat_sigset_t uset;
+ size_t sigsetsize;
+ sigset_t newset;
+
+ /* XXX Don't preclude handling different sized sigset_t's. */
+ sigsetsize = regs.regs[5];
+ if (sigsetsize != sizeof(sigset_t))
+ return -EINVAL;
+
+ unewset = (compat_sigset_t __user *) regs.regs[4];
+ if (copy_from_user(&uset, unewset, sizeof(uset)))
+ return -EFAULT;
+ sigset_from_compat (&newset, &uset);
+ sigdelsetmask(&newset, ~_BLOCKABLE);
+
+ spin_lock_irq(¤t->sighand->siglock);
+ current->saved_sigmask = current->blocked;
+ current->blocked = newset;
+ recalc_sigpending();
+ spin_unlock_irq(¤t->sighand->siglock);
+
+ current->state = TASK_INTERRUPTIBLE;
+ schedule();
+ set_thread_flag(TIF_RESTORE_SIGMASK);
+ return -ERESTARTNOHAND;
+}