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/** @file
DpcLib.h.
Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _DPC_LIB_H_
#define _DPC_LIB_H_
#include <Protocol/Dpc.h>
/**
Add a Deferred Procedure Call to the end of the DPC queue.
@param[in] DpcTpl The EFI_TPL that the DPC should invoke.
@param[in] DpcProcedure The pointer to the DPC's function.
@param[in] DpcContext The pointer to the DPC's context. Passed to DpcProcedure
when DpcProcedure is invoked.
@retval EFI_SUCCESS The DPC was queued.
@retval EFI_INVALID_PARAMETER DpcTpl is not a valid EFI_TPL.
@retval EFI_INVALID_PARAMETER DpcProcedure is NULL.
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to
add the DPC to the queue.
**/
EFI_STATUS
EFIAPI
QueueDpc (
IN EFI_TPL DpcTpl,
IN EFI_DPC_PROCEDURE DpcProcedure,
IN VOID *DpcContext OPTIONAL
);
/**
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.
@retval EFI_SUCCESS One or more DPCs were invoked.
@retval EFI_NOT_FOUND No DPCs were invoked.
**/
EFI_STATUS
EFIAPI
DispatchDpc (
VOID
);
#endif
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