#include<ntddk.h>KTIMER Ktimer; KDPC Kdpc; LARGE_INTEGER Time;typedef struct MyStruct {int a;}context,*Pcontext;VOID PassObj(__in struct _KDPC *Dpc,__in_opt PVOID DeferredContext,//KeInitializeDpc 第三個(gè)參數(shù)__in_opt PVOID SystemArgument1,__in_opt PVOID SystemArgument2 ) {Pcontext p =(Pcontext) DeferredContext;KdPrint(("定時(shí)器.............%d\n",p->a));KeSetTimer(&Ktimer, Time, &Kdpc);return; }//啟動(dòng)定時(shí)器 VOID DriveTimer(ULONG64 msec) {//初始化KTIMERKeInitializeTimer(&Ktimer);//初始化dpcPcontext p = {0};KeInitializeDpc(&Kdpc, (PKDEFERRED_ROUTINE)PassObj, &p);//設(shè)置定時(shí)器Time.QuadPart = -10000 * msec;KeSetTimer(&Ktimer, Time, &Kdpc); }//停止定時(shí)器 VOID UnTimer() {KeCancelTimer(&Ktimer); }//卸載驅(qū)動(dòng) VOID UnLoad(IN PDRIVER_OBJECT DriverOject) {UnTimer(); }NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverOject, IN PUNICODE_STRING Path) {DriveTimer(1000);DriverOject->DriverUnload = UnLoad;return STATUS_SUCCESS; }

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