$OpenBSD: patch-sys_FreeBSD_audio_c,v 1.1 2007/10/26 20:44:07 jasper Exp $
--- sys/FreeBSD/audio.c.orig	Thu Sep  2 16:34:34 1999
+++ sys/FreeBSD/audio.c	Fri Oct 26 22:33:32 2007
@@ -90,7 +90,9 @@ S_PlaySound(char *soundfile)
 	return (SOUND_DEVICE_ERROR);
     }
     
+#ifdef __FreeBSD__
     ioctl(sdev, SNDCTL_DSP_RESET, 0);
+#endif
     
     fstat(sfile, &sstat);
     len = sstat.st_size;
@@ -100,7 +102,11 @@ S_PlaySound(char *soundfile)
     if ( (l = read(sfile, buffer, len)) > 0)
 	write(sdev, buffer, l);
     
+#ifdef __FreeBSD__
     ioctl(sdev, SNDCTL_DSP_SYNC, 0);
+#elif defined(__OpenBSD__)
+    ioctl(sdev, AUDIO_DRAIN, 0);
+#endif
     XtFree(buffer);
     
     close(sdev); 
@@ -159,11 +165,17 @@ S_PlayCacheSound(SoundCacheBuffer *cacheBufferPtr)
 	return(SOUND_DEVICE_ERROR);
     }
     
+#ifdef __FreeBSD__
     ioctl(sdev, SNDCTL_DSP_RESET, 0);
+#endif
     
     write(sdev,cacheBufferPtr->soundCacheBuffer,cacheBufferPtr->soundLength);
     
+#ifdef __FreeBSD__
     ioctl(sdev, SNDCTL_DSP_SYNC, 0);
+#elif defined(__OpenBSD__)
+    ioctl(sdev, AUDIO_DRAIN, 0);
+#endif
     close(sdev);
     
     return(SOUND_NO_ERROR);