axl_bool myqtt_ctx_ref2 ( MyQttCtx ctx,
const char *  who 

Allows to increase reference count to the MyQttCtx instance.

ctxThe reference to update its reference count.
whoAn string that identifies this ref. Useful for debuging.
axl_true if unref operation finished without errors, otherwise axl_false is returned.

References myqtt_mutex_lock(), and myqtt_mutex_unlock().

Referenced by myqtt_ctx_ref().