Jonathan Peyton
5fda24f1d2
Bug fix for hang when omp task and nested parallelism used together. Still some problem remains with task state saving/restoring, but user's case works fine now. All tasking unit tests passed as well. Patch by Andrey Churbanov Differential Revision: http://reviews.llvm.org/D21558 git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@273297 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
656 B
C
33 lines
656 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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/*
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* This test would hang when level instead of active level
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* used to push task state.
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*/
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int main()
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{
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// If num_threads is changed to a value greater than 1, then the test passes
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#pragma omp parallel num_threads(1)
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{
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#pragma omp parallel
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printf("Hello World from thread %d\n", omp_get_thread_num());
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}
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printf("omp_num_threads: %d\n", omp_get_max_threads());
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#pragma omp parallel
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{
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#pragma omp master
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#pragma omp task default(none)
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{
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printf("%d is executing this task\n", omp_get_thread_num());
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}
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}
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printf("pass\n");
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return 0;
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}
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