mirror of
https://github.com/OpenMP/Examples.git
synced 2025-04-07 23:22:11 +01:00
39 lines
942 B
C
39 lines
942 B
C
/*
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* @@name: cancellation.1c
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* @@type: C++
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* @@compilable: yes
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* @@linkable: no
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* @@expect: success
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*/
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void example() {
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std::exception *ex = NULL;
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#pragma omp parallel shared(ex)
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{
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#pragma omp for
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for (int i = 0; i < N; i++) {
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// no 'if' that prevents compiler optimizations
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try {
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causes_an_exception();
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}
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catch (const std::exception *e) {
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// still must remember exception for later handling
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#pragma omp atomic write
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ex = e;
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// cancel worksharing construct
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#pragma omp cancel for
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}
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}
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// if an exception has been raised, cancel parallel region
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if (ex) {
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#pragma omp cancel parallel
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}
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phase_1();
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#pragma omp barrier
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phase_2();
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}
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// continue here if an exception has been thrown in the worksharing loop
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if (ex) {
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// handle exception stored in ex
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}
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}
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