1 // Copyright 2013 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4 
5 #define WIN32_LEAN_AND_MEAN
6 #include <windows.h>
7 #include <process.h>
8 #include "_cgo_export.h"
9 
10 __stdcall
11 static unsigned int
addThread(void * p)12 addThread(void *p)
13 {
14 	int i, max;
15 
16 	max = *(int*)p;
17 	for(i=0; i<max; i++)
18 		Add(i);
19 	return 0;
20 }
21 
22 void
doAdd(int max,int nthread)23 doAdd(int max, int nthread)
24 {
25 	enum { MaxThread = 20 };
26 	int i;
27 	uintptr_t thread_id[MaxThread];
28 
29 	if(nthread > MaxThread)
30 		nthread = MaxThread;
31 	for(i=0; i<nthread; i++)
32 		thread_id[i] = _beginthreadex(0, 0, addThread, &max, 0, 0);
33 	for(i=0; i<nthread; i++) {
34 		WaitForSingleObject((HANDLE)thread_id[i], INFINITE);
35 		CloseHandle((HANDLE)thread_id[i]);
36 	}
37 }
38