131 lines
3.3 KiB
C++
131 lines
3.3 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// Detour Test Program (slept.cpp of slept.dll)
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//
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// Microsoft Research Detours Package
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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#include <stdio.h>
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#include <windows.h>
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#include "detours.h"
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#include "slept.h"
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#include "verify.cpp"
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static BOOL fBroke = FALSE;
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static LONG dwSlept = 0;
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static DWORD (WINAPI * TrueSleepEx)(DWORD dwMilliseconds, BOOL bAlertable) = SleepEx;
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DWORD WINAPI UntimedSleepEx(DWORD dwMilliseconds, BOOL bAlertable)
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{
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return TrueSleepEx(dwMilliseconds, bAlertable);
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}
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DWORD WINAPI TimedSleepEx(DWORD dwMilliseconds, BOOL bAlertable)
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{
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DWORD dwBeg = GetTickCount();
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DWORD ret = TrueSleepEx(dwMilliseconds, bAlertable);
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DWORD dwEnd = GetTickCount();
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if (!fBroke) {
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fBroke = TRUE;
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// DebugBreak();
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}
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InterlockedExchangeAdd(&dwSlept, dwEnd - dwBeg);
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return ret;
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}
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DWORD WINAPI GetSleptTicks(VOID)
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{
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return dwSlept;
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}
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DWORD WINAPI TestTicks(VOID)
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{
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return TestTicksEx(0);
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}
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DWORD WINAPI TestTicksEx(DWORD Add)
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{
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PDWORD pdw = new DWORD [Add + 1];
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if (pdw != NULL) {
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pdw[0] = dwSlept;
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for (DWORD n = 1; n < Add + 1; n++) {
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pdw[n] = pdw[n-1] + 1;
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}
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for (DWORD n = 1; n < Add + 1; n++) {
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pdw[n-1] = pdw[n-1] - 1;
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}
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for (DWORD n = 1; n < Add + 1; n++) {
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pdw[n] = pdw[n-1] + 1;
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}
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Add = pdw[Add] - Add;
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delete [] pdw;
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}
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else {
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Add = dwSlept + Add;
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}
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return Add;
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}
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BOOL WINAPI DllMain(HINSTANCE hinst, DWORD dwReason, LPVOID reserved)
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{
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LONG error;
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(void)hinst;
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(void)reserved;
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if (DetourIsHelperProcess()) {
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return TRUE;
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}
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if (dwReason == DLL_PROCESS_ATTACH) {
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DetourRestoreAfterWith();
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printf("slept" DETOURS_STRINGIFY(DETOURS_BITS) ".dll: "
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" Starting.\n");
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PVOID pbExeEntry = DetourGetEntryPoint(NULL);
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PVOID pbDllEntry = DetourGetEntryPoint(hinst);
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printf("slept" DETOURS_STRINGIFY(DETOURS_BITS) ".dll: "
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" ExeEntry=%p, DllEntry=%p\n", pbExeEntry, pbDllEntry);
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Verify("SleepEx", (PVOID)SleepEx);
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printf("\n");
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fflush(stdout);
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DetourTransactionBegin();
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DetourUpdateThread(GetCurrentThread());
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DetourAttach(&(PVOID&)TrueSleepEx, TimedSleepEx);
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error = DetourTransactionCommit();
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if (error == NO_ERROR) {
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printf("slept" DETOURS_STRINGIFY(DETOURS_BITS) ".dll: "
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" Detoured SleepEx() @ %p.\n", TrueSleepEx);
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}
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else {
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printf("slept" DETOURS_STRINGIFY(DETOURS_BITS) ".dll: "
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" Error detouring SleepEx(): %ld\n", error);
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}
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}
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else if (dwReason == DLL_PROCESS_DETACH) {
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DetourTransactionBegin();
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DetourUpdateThread(GetCurrentThread());
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DetourDetach(&(PVOID&)TrueSleepEx, TimedSleepEx);
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error = DetourTransactionCommit();
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printf("slept" DETOURS_STRINGIFY(DETOURS_BITS) ".dll: "
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" Removed SleepEx() detour (%ld), slept %ld ticks.\n", error, dwSlept);
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fflush(stdout);
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}
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return TRUE;
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}
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//
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///////////////////////////////////////////////////////////////// End of File.
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