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我在写一个Windows服务程序,它会在启动时调用一个外部的exe文件,比如notepad.exe
。但它总是失败,"unhandled win32 exception occured"
如何在服务程序中调用exe程序?
我的步骤:
- 代码编译成一个
exe
文件:MemoryStatus.exe
。 - 使用命令安装服务:
sc create MemoryStatus binpath=c:\MyServices\MemoryStatus.exe
- 从Windows控制面板中找到该服务,然后单击
Start
。 - 错误发生...
会有人帮助,表示我所做的是错了吗?
void main()
{
SERVICE_TABLE_ENTRY ServiceTable[2];
ServiceTable[0].lpServiceName = _T("MemoryStatus_new_3");
ServiceTable[0].lpServiceProc = (LPSERVICE_MAIN_FUNCTION)**ServiceMain**;
ServiceTable[1].lpServiceName = NULL;
ServiceTable[1].lpServiceProc = NULL;
StartServiceCtrlDispatcher(ServiceTable);
}
void ServiceMain(int argc, char** argv)
{
int error;
ServiceStatus.dwServiceType = SERVICE_WIN32;
ServiceStatus.dwCurrentState = SERVICE_START_PENDING;
ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
ServiceStatus.dwWin32ExitCode = 0;
ServiceStatus.dwServiceSpecificExitCode = 0;
ServiceStatus.dwCheckPoint = 0;
ServiceStatus.dwWaitHint = 0;
hStatus = RegisterServiceCtrlHandler( _T("MemoryStatus_new_3"), (LPHANDLER_FUNCTION)ControlHandler);
if (hStatus == (SERVICE_STATUS_HANDLE)0)
{
// Registering Control Handler failed
WriteToLog("Registering Control Handler failed\n");
return;
}
// We report the running status to SCM.
ServiceStatus.dwCurrentState = SERVICE_RUNNING;
SetServiceStatus (hStatus, &ServiceStatus);
// Initialize Service
startSvc();
return;
}
void startSvc()
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
ZeroMemory(&pi, sizeof(pi));
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
// Start the child process
if(CreateProcess(_T("C:\\Program Files\\Source Insight 3\\Insight3.exe"), _T(""), NULL, NULL, FALSE, 0, FALSE, NULL, &si, &pi))
{
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
else
{
hProcess = GetCurrentProcess();//get current process
TerminateProcess(hProcess,0); //close process
}
}
如果CreateProcess()失败,为什么你的进程会自杀?尝试删除该行为并查看异常是否消失。 – CoreTech
非常感谢您的意见,但删除后仍然失败。并且当我仅在main()函数中调用startSvc()时,它会成功,但如果通过服务调用它,则失败... “wins.exe中0x00000000处未处理的异常:0xC0000005:访问冲突读取位置0x00000000”。 – user1482337
你的代码真的有这条线吗?它不应该使用额外的* *编译:ServiceTable [0] .lpServiceProc =(LPSERVICE_MAIN_FUNCTION)* * ServiceMain * *; – CoreTech