libgo/misc/cgo/test/cthread_windows.c

   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
  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
  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 }