MdeModulePkg/Include/Library/DpcLib.h File Reference


Functions

EFI_STATUS EFIAPI QueueDpc (IN EFI_TPL DpcTpl, IN EFI_DPC_PROCEDURE DpcProcedure, IN VOID *DpcContext)
EFI_STATUS EFIAPI DispatchDpc (VOID)

Detailed Description

DpcLib.h.

Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License that accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php.

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.


Function Documentation

EFI_STATUS EFIAPI DispatchDpc ( VOID   ) 

Dispatch the queue of DPCs. All DPCs that have been queued with a DpcTpl value greater than or equal to the current TPL are invoked in the order that they were queued. DPCs with higher DpcTpl values are invoked before DPCs with lower DpcTpl values.

Return values:
EFI_SUCCESS One or more DPCs were invoked.
EFI_NOT_FOUND No DPCs were invoked.

EFI_STATUS EFIAPI QueueDpc ( IN EFI_TPL  DpcTpl,
IN EFI_DPC_PROCEDURE  DpcProcedure,
IN VOID *  DpcContext 
)

Add a Deferred Procedure Call to the end of the DPC queue.

Parameters:
[in] DpcTpl The EFI_TPL that the DPC should invoke.
[in] DpcProcedure The pointer to the DPC's function.
[in] DpcContext The pointer to the DPC's context. Passed to DpcProcedure when DpcProcedure is invoked.
Return values:
EFI_SUCCESS The DPC was queued.
EFI_INVALID_PARAMETER DpcTpl is not a valid EFI_TPL.
EFI_INVALID_PARAMETER DpcProcedure is NULL.
EFI_OUT_OF_RESOURCES There are not enough resources available to add the DPC to the queue.


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