test/wrc.c

   1 #include <stdio.h>
   2 #include <threads.h>
   3 #include <stdatomic.h>
   4 #include "librace.h"
   5   atomic_int x1;
   6   atomic_int x2;
   7   atomic_int x3;
   8   atomic_int x4;
   9   atomic_int x5;
  10   atomic_int x6;
  11   atomic_int x7;
  12 static void a(void *obj)
  13 {
  14         atomic_store_explicit(&x1, 1,memory_order_relaxed);
  15 }
  16
  17 static void b(void *obj)
  18 {
  19         atomic_load_explicit(&x1, memory_order_relaxed);
  20         atomic_store_explicit(&x2, 1,memory_order_relaxed);
  21 }
  22
  23 static void c(void *obj)
  24 {
  25         atomic_load_explicit(&x2, memory_order_relaxed);
  26         atomic_store_explicit(&x3, 1,memory_order_relaxed);
  27 }
  28
  29 static void d(void *obj)
  30 {
  31         atomic_load_explicit(&x3, memory_order_relaxed);
  32         atomic_store_explicit(&x4, 1,memory_order_relaxed);
  33 }
  34
  35 static void e(void *obj)
  36 {
  37         atomic_load_explicit(&x4, memory_order_relaxed);
  38         atomic_store_explicit(&x5, 1,memory_order_relaxed);
  39 }
  40
  41 static void f(void *obj)
  42 {
  43         atomic_load_explicit(&x5, memory_order_relaxed);
  44         atomic_store_explicit(&x6, 1,memory_order_relaxed);
  45 }
  46
  47 static void g(void *obj)
  48 {
  49         atomic_load_explicit(&x6, memory_order_relaxed);
  50         atomic_store_explicit(&x7, 1,memory_order_relaxed);
  51 }
  52 static void h(void *obj)
  53 {
  54         atomic_load_explicit(&x7, memory_order_relaxed);
  55         atomic_load_explicit(&x1, memory_order_relaxed);
  56 }
  57
  58 int user_main(int argc, char **argv)
  59 {
  60         thrd_t t1, t2, t3, t4, t5, t6, t7, t8;
  61         atomic_init(&x1, 0);
  62         atomic_init(&x2, 0);
  63         atomic_init(&x3, 0);
  64         atomic_init(&x4, 0);
  65         atomic_init(&x5, 0);
  66         atomic_init(&x6, 0);
  67         atomic_init(&x7, 0);
  68
  69
  70         thrd_create(&t1, (thrd_start_t)&a, NULL);
  71         thrd_create(&t2, (thrd_start_t)&b, NULL);
  72         thrd_create(&t3, (thrd_start_t)&c, NULL);
  73         thrd_create(&t4, (thrd_start_t)&d, NULL);
  74         thrd_create(&t5, (thrd_start_t)&e, NULL);
  75         thrd_create(&t6, (thrd_start_t)&f, NULL);
  76         thrd_create(&t7, (thrd_start_t)&g, NULL);
  77         thrd_create(&t8, (thrd_start_t)&h, NULL);
  78
  79         thrd_join(t1);
  80         thrd_join(t2);
  81         thrd_join(t3);
  82         thrd_join(t4);
  83         thrd_join(t5);
  84         thrd_join(t6);
  85         thrd_join(t7);
  86         thrd_join(t8);
  87
  88         return 0;
  89 }