Win32API 現在実行中のスレッドIDを取得する GetCurrentThreadId

使用するAPI

GetCurrentThreadId

#include <windows.h>
#include <process.h>

unsigned int WINAPI ThreadFunc(LPVOID arg)
{
	printf("ThreadId(in ThreadFunc) = %u\n", 
		GetCurrentThreadId());
	return 0;
}

int main()
{
	HANDLE hThread;
	unsigned int uiThreadId;

	hThread = (HANDLE)_beginthreadex(NULL, 
		0,
		ThreadFunc,
		NULL,
		0,
		&uiThreadId);

	printf("MainThread's ThreadId = %u\n", 
		GetCurrentThreadId());
	
	printf("ThreadFunc's ThreadId = %u\n", 
		uiThreadId);

	WaitForSingleObject(hThread, INFINITE);

	CloseHandle(hThread);

	return 0;
}