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- #include <unistd.h>
- int
- fallback_usleep (useconds_t d)
- {
- /* This function serves as a replacement for usleep in
- this test case. It does not even attempt to be functionally
- equivalent - we just want some sort of delay. */
- int i;
- int N = d * 2000;
- for (i = 0; i < N; i++)
- asm volatile ("" : : : "memory");
- return 0;
- }
- #pragma omp declare variant (fallback_usleep) match(construct={target},device={arch(nvptx)})
- #pragma omp declare variant (fallback_usleep) match(construct={target},device={arch(gcn)})
- #pragma omp declare variant (usleep) match(user={condition(1)})
- int
- tgt_usleep (useconds_t d)
- {
- return 0;
- }
- #pragma omp declare target to (fallback_usleep, tgt_usleep)
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