fault_address uint32
}

type ucontext struct {
	uc_flags    uint32
	uc_link     *ucontext
	uc_stack    stackt
	uc_mcontext sigcontext
	uc_sigmask  uint32
	__unused    [31]int32
	uc_regspace [128]uint32
}

type timeval struct {
	tv_sec  int32
	tv_usec int32
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = x
}

type itimerspec struct {
	it_interval timespec