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1 // { dg-do run }
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2 // { dg-require-effective-target tls_runtime }
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3
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4 #include <omp.h>
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5 #include <assert.h>
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6
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7 struct B
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8 {
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9 static int count;
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10 static B *expected;
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11
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12 B& operator=(const B &);
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13 };
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14
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15 int B::count;
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16 B * B::expected;
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17
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18 static B thr;
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19 #pragma omp threadprivate(thr)
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20
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21 B& B::operator= (const B &b)
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22 {
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23 assert (&b == expected);
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24 assert (this != expected);
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25 #pragma omp atomic
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26 count++;
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27 return *this;
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28 }
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29
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30 static int nthreads;
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31
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32 void foo()
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33 {
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34 B::expected = &thr;
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35
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36 #pragma omp parallel copyin(thr)
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37 {
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38 #pragma omp master
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39 nthreads = omp_get_num_threads ();
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40 }
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41 }
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42
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43 int main()
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44 {
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45 omp_set_dynamic (0);
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46 omp_set_num_threads (4);
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47 foo();
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48
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49 assert (B::count == nthreads-1);
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50
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51 return 0;
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52 }
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