Sample Code
Windows Driver Samples/ Change File System Minifilter Driver/ C++/ utility.h/
/*++ Copyright (c) Microsoft Corporation. All Rights Reserved Module Name: utility.h Abstract: Header file which contains the structures, type definitions, constants, global variables and function prototypes that are only visible within the kernel. The functions include generic table routines. Environment: Kernel mode --*/ #ifndef __UTILITY_H__ #define __UTILITY_H__ #define CG_MUTEX_TAG 'tMgC' FORCEINLINE PFAST_MUTEX CgAllocateMutex ( VOID ) { // // Fast mutex by its rule has to be in the non-paged pool // return ExAllocatePoolWithTag( NonPagedPoolNx, sizeof( FAST_MUTEX ), CG_MUTEX_TAG ); } FORCEINLINE VOID CgFreeMutex ( _In_ PFAST_MUTEX Mutex ) { ExFreePoolWithTag( Mutex, CG_MUTEX_TAG ); } #define LIST_FOR_EACH_SAFE(curr, n, head) \ for (curr = (head)->Flink , n = curr->Flink ; curr != (head); \ curr = n, n = curr->Flink ) #endif
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