Index: /trunk/src/VBox/Devices/Audio/alsa_mangling.h
===================================================================
--- /trunk/src/VBox/Devices/Audio/alsa_mangling.h	(revision 73159)
+++ /trunk/src/VBox/Devices/Audio/alsa_mangling.h	(revision 73160)
@@ -7,5 +7,5 @@
 
 /*
- * Copyright (C) 2013-2017 Oracle Corporation
+ * Copyright (C) 2013-2018 Oracle Corporation
  *
  * This file is part of VirtualBox Open Source Edition (OSE), as
@@ -29,5 +29,8 @@
 #define snd_pcm_hw_params_any                   ALSA_MANGLER(snd_pcm_hw_params_any)
 #define snd_pcm_close                           ALSA_MANGLER(snd_pcm_close)
+#define snd_pcm_delay                           ALSA_MANGLER(snd_pcm_delay)
+#define snd_pcm_drain                           ALSA_MANGLER(snd_pcm_drain)
 #define snd_pcm_avail_update                    ALSA_MANGLER(snd_pcm_avail_update)
+#define snd_pcm_nonblock                        ALSA_MANGLER(snd_pcm_nonblock)
 #define snd_pcm_hw_params_set_channels_near     ALSA_MANGLER(snd_pcm_hw_params_set_channels_near)
 #define snd_pcm_hw_params_set_period_time_near  ALSA_MANGLER(snd_pcm_hw_params_set_period_time_near)
Index: /trunk/src/VBox/Devices/Audio/alsa_stubs.c
===================================================================
--- /trunk/src/VBox/Devices/Audio/alsa_stubs.c	(revision 73159)
+++ /trunk/src/VBox/Devices/Audio/alsa_stubs.c	(revision 73160)
@@ -5,5 +5,5 @@
 
 /*
- * Copyright (C) 2006-2017 Oracle Corporation
+ * Copyright (C) 2006-2018 Oracle Corporation
  *
  * This file is part of VirtualBox Open Source Edition (OSE), as
@@ -51,4 +51,10 @@
 PROXY_STUB(snd_pcm_close, int, (snd_pcm_t *pcm), (pcm))
 PROXY_STUB(snd_pcm_avail_update, snd_pcm_sframes_t, (snd_pcm_t *pcm),
+           (pcm))
+PROXY_STUB(snd_pcm_nonblock, int, (snd_pcm_t *pcm, int *onoff),
+           (pcm, onoff))
+PROXY_STUB(snd_pcm_delay, int, (snd_pcm_t *pcm, snd_pcm_sframes_t *frames),
+           (pcm, frames))
+PROXY_STUB(snd_pcm_drain, int, (snd_pcm_t *pcm),
            (pcm))
 PROXY_STUB(snd_pcm_hw_params_set_channels_near, int,
@@ -138,5 +144,8 @@
     ELEMENT(snd_pcm_hw_params_any),
     ELEMENT(snd_pcm_close),
+    ELEMENT(snd_pcm_delay),
+    ELEMENT(snd_pcm_drain),
     ELEMENT(snd_pcm_avail_update),
+    ELEMENT(snd_pcm_nonblock),
     ELEMENT(snd_pcm_hw_params_set_channels_near),
     ELEMENT(snd_pcm_hw_params_set_period_time_near),