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| // RUN: %libomp-compile && env OMP_CANCELLATION=true %libomp-run
// Clang had a bug until version 4.0.1 which resulted in a hang.
// UNSUPPORTED: clang-3, clang-4.0.0
// Regression test for a bug in cancellation to cover effect of `#pragma omp cancel`
// in a loop construct, on sections construct.
// Pass condition: Cancellation status from `for` does not persist
// to `sections`.
#include <stdio.h>
#include <omp.h>
int result[2] = {0, 0};
void cq416850_for_sections() {
unsigned i;
// 1) loop
#pragma omp for
for (i = 0; i < 1; i++) {
result[0] = 1;
#pragma omp cancel for
result[0] = 2;
}
// printf("thread %d: result[0] = %d, result[1] = %d \n", omp_get_thread_num(), result[0], result[1]);
// 2) sections
#pragma omp sections
{
#pragma omp section
{
result[1] = 1;
#pragma omp cancellation point sections
result[1] = 2;
}
}
}
int main(void) {
if(!omp_get_cancellation()) {
printf("Cancellation not enabled!\n");
return 2;
}
#pragma omp parallel num_threads(4)
{
cq416850_for_sections();
}
if (result[0] != 1 || result[1] != 2) {
printf("Incorrect values. "
"result[0] = %d (expected 1), "
"result[1] = %d (expected 2).\n",
result[0], result[1]);
printf("FAILED\n");
return 1;
}
printf("PASSED\n");
return 0;
}
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