>> This explains the problems I encountered. I missed the information, that >> these functions are not meant to be thread-safe. > > Although it's not recommended, the behavior you described sounds strange. > Could you check whether this still happens with the very latest > alsa-lib version? Yes, we will try to, but I need some cooperation with colleague, so it will take some time. > Also I guess this depends on the plugin to be used, e.g. dmix or not. I see. Please, can you tell me, whether I should rewrite my program to purely single-thread acces to snd_pcm_write & snd_pcm_drop, or should I expect, that in ALSA (with proper plugin) it should work in correct releases? Thank you for your answers, Marek. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel