benchmark/mpmc-queue/testcase1.cc

   1 #include <inttypes.h>
   2 #include <threads.h>
   3 #include <stdio.h>
   4 #include <unistd.h>
   5 #include <stdlib.h>
   6
   7 #include <librace.h>
   8
   9 #include "mpmc-queue.h"
  10
  11 void threadA(struct mpmc_boundq_1_alt<int32_t, 1> *queue)
  12 {
  13         int32_t *bin;
  14         bin = queue->write_prepare();
  15         if (bin) {
  16                 *bin = 1;
  17                 printf("write_bin %d, val %d\n", bin, 1);
  18                 queue->write_publish(bin);
  19         } else {
  20                 printf("write failed\n");
  21         }
  22 }
  23
  24 void threadB(struct mpmc_boundq_1_alt<int32_t, 1> *queue)
  25 {
  26         int32_t *bin;
  27         bin = queue->read_fetch();
  28         if (bin) {
  29                 printf("read_bin: %d, val %d\n", bin, *bin);
  30                 queue->read_consume(bin);
  31         } else {
  32                 printf("Read failed\n");
  33         }
  34 }
  35
  36 int user_main(int argc, char **argv)
  37 {
  38         struct mpmc_boundq_1_alt<int32_t, 1> queue(0xFFFF);
  39         thrd_t A, B;
  40
  41         printf("Adding initial element\n");
  42         int32_t *bin;
  43         bin = queue.write_prepare();
  44         *bin = 17;
  45         printf("init_write_bin %d, val %d\n", bin, 17);
  46         queue.write_publish(bin);
  47
  48 /*
  49         bin = queue.write_prepare();
  50         *bin = 27;
  51         printf("init_write_bin %d, val %d\n", bin, 27);
  52         queue.write_publish(bin);
  53 */
  54
  55         printf("Start threads\n");
  56
  57         thrd_create(&A, (thrd_start_t)&threadA, &queue);
  58         thrd_create(&B, (thrd_start_t)&threadB, &queue);
  59
  60         thrd_join(A);
  61         thrd_join(B);
  62         printf("Threads complete\n");
  63
  64         return 0;
  65 }