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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 ccount;
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9 static int dcount;
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10 static int ecount;
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11 static B *e_inner;
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12 static B *e_outer;
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13
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14 B();
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15 B(int);
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16 B(const B &);
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17 ~B();
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18 B& operator=(const B &);
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19 void doit();
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20 };
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21
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22 int B::ccount;
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23 int B::dcount;
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24 int B::ecount;
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25 B * B::e_inner;
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26 B * B::e_outer;
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27
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28 B::B(int)
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29 {
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30 e_outer = this;
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31 }
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32
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33 B::B(const B &b)
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34 {
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35 assert (&b == e_outer);
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36 #pragma omp atomic
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37 ccount++;
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38 }
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39
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40 B::~B()
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41 {
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42 #pragma omp atomic
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43 dcount++;
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44 }
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45
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46 B& B::operator= (const B &b)
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47 {
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48 assert (&b == e_inner);
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49 assert (this == e_outer);
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50 #pragma omp atomic
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51 ecount++;
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52 return *this;
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53 }
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54
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55 void B::doit()
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56 {
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57 #pragma omp critical
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58 {
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59 assert (e_inner == 0);
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60 e_inner = this;
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61 }
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62 }
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63
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64 static int nthreads;
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65
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66 void foo()
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67 {
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68 B b(0);
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69
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70 #pragma omp parallel sections firstprivate(b) lastprivate(b)
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71 {
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72 #pragma omp section
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73 nthreads = omp_get_num_threads ();
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74 #pragma omp section
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75 b.doit ();
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76 }
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77 }
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78
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79 int main()
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80 {
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81 omp_set_dynamic (0);
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82 omp_set_num_threads (4);
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83 foo();
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84
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85 assert (B::ecount == 1);
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86 assert (B::ccount == nthreads);
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87 assert (B::dcount == nthreads+1);
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88
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89 return 0;
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90 }
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