Function register_memory

examples/reg-wait.c:43–55

}

static int register_memory(struct io_uring *ring, void *ptr, size_t size)
{
	struct io_uring_region_desc rd = {};
	struct io_uring_mem_region_reg mr = {};

	rd.user_addr = uring_ptr_to_u64(ptr);
	rd.size = size;
	rd.flags = IORING_MEM_REGION_TYPE_USER;
	mr.region_uptr = uring_ptr_to_u64(&rd);
	mr.flags = IORING_MEM_REGION_REG_WAIT_ARG;

	return io_uring_register_region(ring, &mr);
}

int main(int argc, char *argv[])
{