mirror of git://gcc.gnu.org/git/gcc.git
91 lines
1.1 KiB
C
91 lines
1.1 KiB
C
// { dg-do run }
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#include <omp.h>
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#include <assert.h>
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struct B
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{
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static int ccount;
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static int dcount;
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static int ecount;
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static B *e_inner;
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static B *e_outer;
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B();
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B(int);
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B(const B &);
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~B();
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B& operator=(const B &);
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void doit();
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};
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int B::ccount;
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int B::dcount;
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int B::ecount;
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B * B::e_inner;
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B * B::e_outer;
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B::B(int)
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{
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e_outer = this;
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}
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B::B(const B &b)
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{
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assert (&b == e_outer);
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#pragma omp atomic
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ccount++;
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}
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B::~B()
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{
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#pragma omp atomic
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dcount++;
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}
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B& B::operator= (const B &b)
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{
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assert (&b == e_inner);
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assert (this == e_outer);
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#pragma omp atomic
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ecount++;
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return *this;
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}
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void B::doit()
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{
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#pragma omp critical
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{
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assert (e_inner == 0);
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e_inner = this;
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}
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}
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static int nthreads;
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void foo()
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{
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B b(0);
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#pragma omp parallel sections firstprivate(b) lastprivate(b)
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{
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#pragma omp section
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nthreads = omp_get_num_threads ();
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#pragma omp section
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b.doit ();
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}
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}
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int main()
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{
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omp_set_dynamic (0);
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omp_set_num_threads (4);
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foo();
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assert (B::ecount == 1);
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assert (B::ccount == nthreads);
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assert (B::dcount == nthreads+1);
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return 0;
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}
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