mirror of git://gcc.gnu.org/git/gcc.git
78 lines
1.1 KiB
C
78 lines
1.1 KiB
C
// { dg-do run }
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// { dg-require-effective-target tls_runtime }
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#include <omp.h>
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#include <assert.h>
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#define N 10
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#define THR 4
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struct B
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{
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B();
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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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static B *base;
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static B *threadbase;
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static unsigned cmask[THR];
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static unsigned dmask[THR];
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#pragma omp threadprivate(threadbase)
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B::B()
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{
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assert (base == 0);
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}
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B::B(const B &b)
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{
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unsigned index = &b - base;
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assert (index < N);
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cmask[omp_get_thread_num()] |= 1u << index;
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}
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B::~B()
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{
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if (threadbase)
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{
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unsigned index = this - threadbase;
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assert (index < N);
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dmask[omp_get_thread_num()] |= 1u << index;
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}
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}
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void foo()
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{
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B b[N];
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base = b;
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#pragma omp parallel firstprivate(b)
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{
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assert (omp_get_num_threads () == THR);
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threadbase = b;
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}
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threadbase = 0;
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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 (THR);
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foo();
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for (int i = 0; i < THR; ++i)
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{
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unsigned xmask = (1u << N) - 1;
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assert (cmask[i] == xmask);
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assert (dmask[i] == xmask);
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}
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return 0;
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}
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