SNDCTL_DSP_NONBLOCK
args->cmd = SNDCTL_DSP_NONBLOCK;
case SNDCTL_DSP_NONBLOCK: /* set non-blocking i/o */
if (cmd == SNDCTL_DSP_NONBLOCK || *arg_i)
if (cmd == SNDCTL_DSP_NONBLOCK || *arg_i)
#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
case SNDCTL_DSP_NONBLOCK:
case SNDCTL_DSP_NONBLOCK: