windows下判断本进程是否为子进程

#include <tlhelp32.h>
using std::wstring;

int isChildProcess()
{
	int ret = 1;

	TCHAR szModule[512] = {0};
	GetModuleFileName(NULL, szModule, 512);
	wstring wstrModule = szModule;
	
	DWORD d_expID = 0;
	GetWindowThreadProcessId(GetShellWindow(), &d_expID);

	PROCESSENTRY32 p;
	PROCESSENTRY32 *info = &p;
	// 在使用这个结构之前，先设置它的大小
	info->dwSize = sizeof(PROCESSENTRY32);
	HANDLE handlePro = NULL; //结束进程句柄
	// 给系统内的所有进程拍一个快照
	HANDLE hProcessSnap = ::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
	if(hProcessSnap == INVALID_HANDLE_VALUE)
	{
		return 1;
	}
	// 遍历进程快照，轮流显示每个进程的信息
	BOOL bMore = ::Process32First(hProcessSnap, info);
	BOOL terminate = FALSE;
	while( bMore != FALSE)
	{
		if(wstrModule.find(info->szExeFile) != std::wstring::npos)
		{
			if(d_expID == info->th32ParentProcessID)
				ret = 0;
			else
				ret = 1;
			break;
		}
		bMore = Process32Next(hProcessSnap, info);
	}
	::CloseHandle(hProcessSnap);
	return ret;
}

参考：

https://blog.youkuaiyun.com/iiprogram/article/details/631893

https://www.cnblogs.com/jkcx/p/7463506.html

https://blog.youkuaiyun.com/Simon798/article/details/107316606