PA_ERR_NOTIMPLEMENTED, /**< Missing implementation. \since 0.9.15 */
PA_ERR_FORKED, /**< The caller forked without calling execve() and tried to reuse the context. \since 0.9.15 */
PA_ERR_IO, /**< An IO error happened. \since 0.9.16 */
+ PA_ERR_BUSY, /**< Device or resource busy. \since 0.9.17 */
PA_ERR_MAX /**< Not really an error but the first invalid error code */
};