Changeset 8746 in vbox for trunk/include

Timestamp:

May 9, 2008 7:34:44 PM (17 years ago)

Author:

vboxsync

Message:

Updates to the async completion manager. PDMR3AsyncCompletionTaskSubmit takes an array of tasks now to minimize overhead of the wakeups

File:

• trunk/include/VBox/pdmasynccompletion.h (modified) (6 diffs)

trunk/include/VBox/pdmasynccompletion.h

@@ -265 +265 @@
 
 /**
- * Start processing the task handle.
- * The task must have a type specific context.
- *
- * @returns VBox status code.
- * @param   pTask   Pointer to the task which should be submited.
- */
-PDMR3DECL(int) PDMR3AsyncCompletionTaskSubmit(PPDMASYNCCOMPLETIONTASK pTask);
+ * Submit an array of tasks for processing
+ * The tasks must have a type specific context.
+ *
+ * @returns VBox status code.
+ * @param   apTasks  Array of tasks which should be processed.
+ * @param   cTasks   Number of tasks in the array which should be processed.
+ */
+PDMR3DECL(int) PDMR3AsyncCompletionTaskSubmit(PPDMASYNCCOMPLETIONTASK apTasks[], unsigned cTasks);
 
 /**
@@ -355 +356 @@
     }
 
-    rc = PDMR3AsyncCompletionTaskSubmit(pTask);
-    if (VBOX_FAILURE(rc))
-    {
-        AssertMsgFailed(("Submitting Linux task failed\n"));
-        PDMR3AsyncCompletionTaskDestroy(pTask);
-        return rc;
-    }
-
     *ppTask = pTask;
 
@@ -397 +390 @@
     }
 
-    rc = PDMR3AsyncCompletionTaskSubmit(pTask);
-    if (VBOX_FAILURE(rc))
-    {
-        AssertMsgFailed(("Submitting AIO task failed\n"));
-        PDMR3AsyncCompletionTaskDestroy(pTask);
-        return rc;
-    }
-
     *ppTask = pTask;
 
@@ -435 +420 @@
     }
 
-    rc = PDMR3AsyncCompletionTaskSubmit(pTask);
-    if (VBOX_FAILURE(rc))
-    {
-        AssertMsgFailed(("Submitting OS/2 task failed\n"));
-        PDMR3AsyncCompletionTaskDestroy(pTask);
-        return rc;
-    }
-
     *ppTask = pTask;
 
@@ -470 +447 @@
     {
         AssertMsgFailed(("Creating Windows task failed\n"));
-        return rc;
-    }
-
-    rc = PDMR3AsyncCompletionTaskSubmit(pTask);
-    if (VBOX_FAILURE(rc))
-    {
-        AssertMsgFailed(("Submitting Windows task failed\n"));
-        PDMR3AsyncCompletionTaskDestroy(pTask);
         return rc;
     }
@@ -536 +505 @@
     }
 
-    rc = PDMR3AsyncCompletionTaskSubmit(pTask);
-    if (VBOX_FAILURE(rc))
-    {
-        AssertMsgFailed(("Submitting Socket task failed\n"));
-        PDMR3AsyncCompletionTaskDestroy(pTask);
-        return rc;
-    }
-
     *ppTask = pTask;