Changeset 75598 in vbox for trunk/src/VBox/Devices/USB/usbip

Timestamp:

Nov 19, 2018 8:16:07 PM (6 years ago)

Author:

vboxsync

Message:

USBProxyDevice-usbip.cpp: Don't remove/readd the wakeup pipe from the pollset when not bothering with the wakeup pipe but just change the flags. This avoids a hang during power off because the read event is lost.

File:

• trunk/src/VBox/Devices/USB/usbip/USBProxyDevice-usbip.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/USB/usbip/USBProxyDevice-usbip.cpp

@@ -1277 +1277 @@
     if (!fPollWakePipe)
     {
-        rc = RTPollSetRemove(pProxyDevUsbIp->hPollSet, USBIP_POLL_ID_PIPE);
+        rc = RTPollSetEventsChange(pProxyDevUsbIp->hPollSet, USBIP_POLL_ID_PIPE, RTPOLL_EVT_ERROR);
         AssertRC(rc);
     }
@@ -1329 +1329 @@
     if (!fPollWakePipe)
     {
-        rc = RTPollSetAddPipe(pProxyDevUsbIp->hPollSet, pProxyDevUsbIp->hPipeR,
-                              RTPOLL_EVT_READ, USBIP_POLL_ID_PIPE);
+        rc = RTPollSetEventsChange(pProxyDevUsbIp->hPollSet, USBIP_POLL_ID_PIPE, RTPOLL_EVT_READ);
         AssertRC(rc);
     }