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1 // { dg-do run }
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2
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3 #include <omp.h>
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4 #include <assert.h>
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5
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6 struct B
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7 {
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8 static int count;
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9 static B *expected;
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10
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11 B& operator=(const B &);
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12 };
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13
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14 int B::count;
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15 B * B::expected;
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16
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17 B& B::operator= (const B &b)
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18 {
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19 assert (&b == expected);
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20 assert (this != expected);
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21 #pragma omp atomic
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22 count++;
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23 return *this;
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24 }
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25
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26 static int nthreads;
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27
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28 void foo()
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29 {
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30 #pragma omp parallel
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31 {
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32 B b;
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33 #pragma omp single copyprivate(b)
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34 {
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35 nthreads = omp_get_num_threads ();
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36 B::expected = &b;
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37 }
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38 }
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39 }
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40
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41 int main()
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42 {
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43 omp_set_dynamic (0);
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44 omp_set_num_threads (4);
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45 foo();
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46
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47 assert (B::count == nthreads-1);
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48
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49 return 0;
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50 }
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