Changeset 49814 in vbox for trunk/src/VBox/Main

Timestamp:

Dec 6, 2013 9:38:28 PM (11 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

91156

Message:

Devices/USB: First part of the rework, move most of the work to dedicated threads to improve performance

File:

• trunk/src/VBox/Main/src-client/RemoteUSBBackend.cpp (modified) (5 diffs)

trunk/src/VBox/Main/src-client/RemoteUSBBackend.cpp

@@ -116 +116 @@
     bool              fFailed;         /* True if an operation has failed for the device. */
     RTCRITSECT        critsect;        /* Protects the queued urb list. */
+    volatile bool     fWokenUp;        /* Flag whther the reaper was woken up. */
 } REMOTEUSBDEVICE;
 
@@ -277 +278 @@
             /* Initialize the device structure. */
             pDevice->pOwner = pThis;
+            pDevice->fWokenUp = false;
 
             rc = RTCritSectInit(&pDevice->critsect);
@@ -691 +693 @@
         uint32_t u32ClientId;
 
+        if (ASMAtomicXchgBool(&pDevice->fWokenUp, false))
+            break;
+
         /* Scan queued URBs, look for completed. */
         requestDevice (pDevice);
@@ -782 +787 @@
 
     return rc;
+}
+
+static DECLCALLBACK(int) iface_Wakeup (PREMOTEUSBDEVICE pDevice)
+{
+    ASMAtomicXchgBool(&pDevice->fWokenUp, true);
+    return VINF_SUCCESS;
 }
 
@@ -977 +988 @@
     mCallback.pfnClearHaltedEP    = iface_ClearHaltedEP;
     mCallback.pfnCancelURB        = iface_CancelURB;
+    mCallback.pfnWakeup           = iface_Wakeup;
 }