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| // RUN: %libomp-compile-and-run
#include <stdio.h>
#include <omp.h>
int main() {
omp_alloctrait_t at[2];
omp_allocator_handle_t a;
void *p[2];
at[0].key = OMP_ATK_POOL_SIZE;
at[0].value = 2 * 1024 * 1024;
at[1].key = OMP_ATK_FALLBACK;
at[1].value = OMP_ATV_NULL_FB;
a = omp_init_allocator(omp_high_bw_mem_space, 2, at);
printf("allocator hbw created: %p\n", a);
#pragma omp parallel num_threads(2)
{
int i = omp_get_thread_num();
p[i] = omp_alloc(1024 * 1024, a);
#pragma omp barrier
printf("th %d, ptr %p\n", i, p[i]);
omp_free(p[i], a);
}
if (a != omp_null_allocator) {
// As an allocator has some small memory overhead
// exactly one of the two pointers should be NULL
// because of NULL fallback requested
if ((p[0] == NULL && p[1] != NULL) || (p[0] != NULL && p[1] == NULL)) {
printf("passed\n");
return 0;
} else {
printf("failed: pointers %p %p\n", p[0], p[1]);
return 1;
}
} else {
// NULL allocator should cause default allocations
if (p[0] != NULL && p[1] != NULL) {
printf("passed\n");
return 0;
} else {
printf("failed: pointers %p %p\n", p[0], p[1]);
return 1;
}
}
}
|