bench-thread.c

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#include <stdio.h>
#include <windows.h>
 
#define NR_THREADS (30)
 
 
DWORD WINAPI
thread_main1(LPVOID param)
{
   printf("Thread 1 running (Counter %lu)\n", PtrToUlong(param));
   SleepEx(INFINITE, TRUE);
   return 0;
}
 
 
DWORD WINAPI
thread_main2(LPVOID param)
{
   printf("Thread 2 running (Counter %lu)\n", PtrToUlong(param));
   Sleep(INFINITE);
   return 0;
}
 
 
int main (void)
{
   DWORD i=0;
   DWORD id;
 
#if 1
   printf("Creating %d threads...\n",NR_THREADS*2);
   for (i=0;i<NR_THREADS;i++)
     {
    CreateThread(NULL,
             0,
             thread_main1,
             (LPVOID)(ULONG_PTR)i,
             0,
             &id);
 
/*  CreateThread(NULL,
             0,
             thread_main2,
             (LPVOID)i,
             0,
             &id);*/
     }
 
   printf("All threads created...\n");
 
   /*
    * Waiting for threads is not implemented yet.
    * If you want to see all threads running, uncomment the
    * call to SuspendThread(). The test application will
    * freeze after all threads are created.
    */
/*   SuspendThread (GetCurrentThread()); */
 
#else
 
   printf("Creating thread...\n");
 
   hThread = CreateThread(NULL,
                          0,
                          thread_main1,
                          (LPVOID)i,
                          0,
                          &id);
 
   printf("Thread created. Waiting for termination...\n");
 
   WaitForSingleObject (hThread,
                        -1);
 
   CloseHandle (hThread);
 
   printf("Thread terminated...\n");
#endif
   printf("Exiting\n");
   return 0;
}