ms-queue/main.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <threads.h>
   4
   5 #include "my_queue.h"
   6 #include "model-assert.h"
   7
   8 static int procs = 2;
   9 static queue_t *queue;
  10 static thrd_t *threads;
  11 static unsigned int *input;
  12 static unsigned int *output;
  13 static int num_threads;
  14
  15 int get_thread_num()
  16 {
  17         thrd_t curr = thrd_current();
  18         int i;
  19         for (i = 0; i < num_threads; i++)
  20                 if (curr.priv == threads[i].priv)
  21                         return i;
  22         MODEL_ASSERT(0);
  23         return -1;
  24 }
  25
  26 bool succ1, succ2;
  27
  28 static void main_task(void *param)
  29 {
  30         unsigned int val;
  31         int pid = *((int *)param);
  32         if (!pid) {
  33                 input[0] = 17;
  34                 enqueue(queue, input[0]);
  35                 succ1 = dequeue(queue, &output[0]);
  36                 //printf("Dequeue: %d\n", output[0]);
  37         } else {
  38                 input[1] = 37;
  39                 enqueue(queue, input[1]);
  40                 succ2 = dequeue(queue, &output[1]);
  41         }
  42 }
  43
  44 int user_main(int argc, char **argv)
  45 {
  46         int i;
  47         int *param;
  48         unsigned int in_sum = 0, out_sum = 0;
  49
  50         queue = calloc(1, sizeof(*queue));
  51         MODEL_ASSERT(queue);
  52
  53         num_threads = procs;
  54         threads = malloc(num_threads * sizeof(thrd_t));
  55         param = malloc(num_threads * sizeof(*param));
  56         input = calloc(num_threads, sizeof(*input));
  57         output = calloc(num_threads, sizeof(*output));
  58
  59         init_queue(queue, num_threads);
  60         for (i = 0; i < num_threads; i++) {
  61                 param[i] = i;
  62                 thrd_create(&threads[i], main_task, &param[i]);
  63         }
  64         for (i = 0; i < num_threads; i++)
  65                 thrd_join(threads[i]);
  66
  67         for (i = 0; i < num_threads; i++) {
  68                 in_sum += input[i];
  69                 out_sum += output[i];
  70         }
  71         for (i = 0; i < num_threads; i++)
  72                 printf("input[%d] = %u\n", i, input[i]);
  73         for (i = 0; i < num_threads; i++)
  74                 printf("output[%d] = %u\n", i, output[i]);
  75         if (succ1 && succ2)
  76                 MODEL_ASSERT(in_sum == out_sum);
  77         else
  78                 MODEL_ASSERT (false);
  79
  80         free(param);
  81         free(threads);
  82         free(queue);
  83
  84         return 0;
  85 }