190344219a
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6111 6f19259b-4bc3-4df7-8a09-765794883524
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/** @file
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Copyright (c) 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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DpcLib.h
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Abstract:
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Library for Deferred Procedure Calls.
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**/
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#ifndef _DPC_LIB_H_
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#define _DPC_LIB_H_
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#include <Protocol/Dpc.h>
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/**
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Add a Deferred Procedure Call to the end of the DPC queue.
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@param DpcTpl The EFI_TPL that the DPC should be invoked.
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@param DpcProcedure Pointer to the DPC's function.
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@param DpcContext Pointer to the DPC's context. Passed to DpcProcedure
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when DpcProcedure is invoked.
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@retval EFI_SUCCESS The DPC was queued.
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@retval EFI_INVALID_PARAMETER DpcTpl is not a valid EFI_TPL.
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@retval EFI_INVALID_PARAMETER DpcProcedure is NULL.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources available to
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add the DPC to the queue.
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**/
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EFI_STATUS
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EFIAPI
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QueueDpc (
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IN EFI_TPL DpcTpl,
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IN EFI_DPC_PROCEDURE DpcProcedure,
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IN VOID *DpcContext OPTIONAL
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);
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/**
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Dispatch the queue of DPCs. ALL DPCs that have been queued with a DpcTpl
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value greater than or equal to the current TPL are invoked in the order that
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they were queued. DPCs with higher DpcTpl values are invoked before DPCs with
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lower DpcTpl values.
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@retval EFI_SUCCESS One or more DPCs were invoked.
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@retval EFI_NOT_FOUND No DPCs were invoked.
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**/
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EFI_STATUS
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EFIAPI
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DispatchDpc (
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VOID
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);
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#endif
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