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view libgomp/testsuite/libgomp.c/critical-2.c @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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// { dg-do run } // Test several constructs within a parallel. At one point in development, // the critical directive clobbered the shared clause of the parallel. #include <omp.h> #include <stdlib.h> #define N 2000 int main() { int A[N]; int nthreads; int i; #pragma omp parallel shared (A, nthreads) { #pragma omp master nthreads = omp_get_num_threads (); #pragma omp for for (i = 0; i < N; i++) A[i] = 0; #pragma omp critical for (i = 0; i < N; i++) A[i] += 1; } for (i = 0; i < N; i++) if (A[i] != nthreads) abort (); return 0; }