forked from OSchip/llvm-project
36 lines
952 B
C
36 lines
952 B
C
// RUN: %libomp-compile-and-run
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#include <stdio.h>
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#include <omp.h>
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int main() {
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omp_alloctrait_t at[2];
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omp_allocator_handle_t a;
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void *p[2];
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at[0].key = omp_atk_pool_size;
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at[0].value = 2 * 1024 * 1024;
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at[1].key = omp_atk_fallback;
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at[1].value = omp_atv_null_fb;
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a = omp_init_allocator(omp_default_mem_space, 2, at);
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printf("allocator created: %p\n", (void *)a);
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#pragma omp parallel num_threads(2)
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{
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int i = omp_get_thread_num();
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#pragma omp barrier
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p[i] = omp_alloc(1024 * 1024, a);
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#pragma omp barrier
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printf("th %d, ptr %p\n", i, p[i]);
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omp_free(p[i], a);
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}
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// As an allocator has some small memory overhead
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// exactly one of the two pointers should be NULL
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// because of NULL fallback requested
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if ((p[0] == NULL && p[1] != NULL) || (p[0] != NULL && p[1] == NULL)) {
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printf("passed\n");
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return 0;
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} else {
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printf("failed: pointers %p %p\n", p[0], p[1]);
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return 1;
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}
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}
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