sigaction         259 include/linux/signal.h 	struct sigaction sa;
sigaction         361 include/linux/syscalls.h 				 const struct sigaction __user *,
sigaction         362 include/linux/syscalls.h 				 struct sigaction __user *,
sigaction          49 include/uapi/linux/elfcore.h 	struct sigaction pr_action;	/* Signal action for current sig */