Modules/CheckForPthreads.c

   1 #include <stdio.h>
   2 #include <pthread.h>
   3 #include <unistd.h>
   4
   5 void* runner(void*);
   6
   7 int res = 0;
   8 #ifdef __CLASSIC_C__
   9 int main(){
  10   int ac;
  11   char*av[];
  12 #else
  13 int main(int ac, char*av[]){
  14 #endif
  15   pthread_t tid[2];
  16   pthread_create(&tid[0], 0, runner, (void*)1);
  17   pthread_create(&tid[1], 0, runner, (void*)2);
  18
  19   usleep(1); // for strange behavior on single-processor sun
  20   pthread_join(tid[0], 0);
  21   pthread_join(tid[1], 0);
  22   if(ac > 1000){return *av[0];}
  23   return res;
  24 }
  25
  26 void* runner(void* args)
  27 {
  28   int cc;
  29   for ( cc = 0; cc < 10; cc ++ )
  30     {
  31     printf("%d CC: %d\n", (int)args, cc);
  32     }
  33   res ++;
  34   return 0;
  35 }