#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
+extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags);
+
extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
size_t frame_size);
extern void restore_sigmask(sigset_t *set);