openmp/runtime/test/api/omp_calloc_size_0.c

   1 // RUN: %libomp-compile-and-run
   2
   3 #include <stdio.h>
   4 #include <omp.h>
   5
   6 int main()
   7 {
   8   omp_alloctrait_t at[2];
   9   omp_allocator_handle_t a;
  10   void *p[2];
  11   at[0].key = omp_atk_pool_size;
  12   at[0].value = 2*1024*1024;
  13   at[1].key = omp_atk_fallback;
  14   at[1].value = omp_atv_default_mem_fb;
  15   a = omp_init_allocator(omp_large_cap_mem_space, 2, at);
  16   printf("allocator large created: %p\n", (void *)a);
  17   #pragma omp parallel num_threads(2)
  18   {
  19     int i = omp_get_thread_num();
  20     p[i] = omp_calloc(1024, 0, a);
  21     #pragma omp barrier
  22     printf("th %d, ptr %p\n", i, p[i]);
  23     omp_free(p[i], a);
  24   }
  25   // Both pointers should be NULL
  26   if (p[0] == NULL && p[1] == NULL) {
  27     printf("passed\n");
  28     return 0;
  29   } else {
  30     printf("failed: pointers %p %p\n", p[0], p[1]);
  31     return 1;
  32   }
  33 }