At Fri, 15 May 2009 15:57:49 +0200 (CEST), Marek Peca wrote: > > > I would like to know, how should snd_pcm_drop() call influence > > snd_pcm_writei() being simultaneously executed. > > > > I expected, that after issuing snd_pcm_drop() (from another thread), the > > snd_pcm_write*() in progress should be terminated almost immediately with > > some return value (error or short write). > > (..) > > > Today, Jara Kysela told me, that calling pcm functions from multiple > threads is not recommended practice. > > 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? Also I guess this depends on the plugin to be used, e.g. dmix or not. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
