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

source code of openmp/runtime/test/api/omp_alloc_def_fb.c