explicit TLS

gistfile1.c

#undef UNICODE
#include <Windows.h>

#pragma comment(linker, "/INCLUDE:__tls_used")

void NTAPI TlsCallBack(PVOID h, DWORD dwReason, PVOID pv);

#pragma data_seg(".CRT$XLB")
PIMAGE_TLS_CALLBACK p_thread_callback = TlsCallBack;
#pragma data_seg()
int myglobal_;

void NTAPI TlsCallBack(PVOID h, DWORD dwReason, PVOID pv)
{

	MessageBox(NULL, "In TLS", "Inside TLS func", MB_OK);
	return;
}

int main(int argc, char** argv)
{
	MessageBox(NULL, "Main func", "In main func", MB_OK);
	return 0;
}