VirtualBox

Changeset 8746

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Timestamp:
05/09/08 21:34:44 (4 months ago)
Author:
vboxsync
Message:

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

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  • trunk/include/VBox/pdmasynccompletion.h

    r8155 r8746  
    265265 
    266266/** 
    267  * Start processing the task handle. 
    268  * The task must have a type specific context. 
    269  * 
    270  * @returns VBox status code. 
    271  * @param   pTask   Pointer to the task which should be submited. 
    272  */ 
    273 PDMR3DECL(int) PDMR3AsyncCompletionTaskSubmit(PPDMASYNCCOMPLETIONTASK pTask); 
     267 * Submit an array of tasks for processing 
     268 * The tasks must have a type specific context. 
     269 * 
     270 * @returns VBox status code. 
     271 * @param   apTasks  Array of tasks which should be processed. 
     272 * @param   cTasks   Number of tasks in the array which should be processed. 
     273 */ 
     274PDMR3DECL(int) PDMR3AsyncCompletionTaskSubmit(PPDMASYNCCOMPLETIONTASK apTasks[], unsigned cTasks); 
    274275 
    275276/** 
    …… 
    355356    } 
    356357 
    357     rc = PDMR3AsyncCompletionTaskSubmit(pTask); 
    358     if (VBOX_FAILURE(rc)) 
    359     { 
    360         AssertMsgFailed(("Submitting Linux task failed\n")); 
    361         PDMR3AsyncCompletionTaskDestroy(pTask); 
    362         return rc; 
    363     } 
    364  
    365358    *ppTask = pTask; 
    366359 
    …… 
    397390    } 
    398391 
    399     rc = PDMR3AsyncCompletionTaskSubmit(pTask); 
    400     if (VBOX_FAILURE(rc)) 
    401     { 
    402         AssertMsgFailed(("Submitting AIO task failed\n")); 
    403         PDMR3AsyncCompletionTaskDestroy(pTask); 
    404         return rc; 
    405     } 
    406  
    407392    *ppTask = pTask; 
    408393 
    …… 
    435420    } 
    436421 
    437     rc = PDMR3AsyncCompletionTaskSubmit(pTask); 
    438     if (VBOX_FAILURE(rc)) 
    439     { 
    440         AssertMsgFailed(("Submitting OS/2 task failed\n")); 
    441         PDMR3AsyncCompletionTaskDestroy(pTask); 
    442         return rc; 
    443     } 
    444  
    445422    *ppTask = pTask; 
    446423 
    …… 
    470447    { 
    471448        AssertMsgFailed(("Creating Windows task failed\n")); 
    472         return rc; 
    473     } 
    474  
    475     rc = PDMR3AsyncCompletionTaskSubmit(pTask); 
    476     if (VBOX_FAILURE(rc)) 
    477     { 
    478         AssertMsgFailed(("Submitting Windows task failed\n")); 
    479         PDMR3AsyncCompletionTaskDestroy(pTask); 
    480449        return rc; 
    481450    } 
    …… 
    536505    } 
    537506 
    538     rc = PDMR3AsyncCompletionTaskSubmit(pTask); 
    539     if (VBOX_FAILURE(rc)) 
    540     { 
    541         AssertMsgFailed(("Submitting Socket task failed\n")); 
    542         PDMR3AsyncCompletionTaskDestroy(pTask); 
    543         return rc; 
    544     } 
    545  
    546507    *ppTask = pTask; 
    547508 

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