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#include <stdlib.h>
struct blk { int x, y; };
struct L
{
#define N 10
struct {
int num_blocks[N];
struct blk * blocks[N];
} m;
};
void foo (struct L *l)
{
for (int i = 0; i < N; i++)
{
l->m.blocks[i] = (struct blk *) malloc (sizeof (struct blk) * N);
l->m.num_blocks[i] = N;
}
#pragma omp target enter data map(to:l[:1])
for (int i = 0; i < N; i++)
{
#pragma omp target enter data map(to:l->m.blocks[i][:l->m.num_blocks[i]])
}
#pragma omp target
{
for (int i = 0; i < N; i++)
for (int j = 0; j < N; j++)
{
l->m.blocks[i][j].x = i + j;
l->m.blocks[i][j].y = i * j;
}
}
for (int i = 0; i < N; i++)
{
#pragma omp target exit data map(from:l->m.blocks[i][:l->m.num_blocks[i]])
}
#pragma omp target exit data map(from:l[:1])
for (int i = 0; i < N; i++)
for (int j = 0; j < N; j++)
{
if (l->m.blocks[i][j].x != i + j)
abort ();
if (l->m.blocks[i][j].y != i * j)
abort ();
}
}
int main (void)
{
struct L l;
foo (&l);
return 0;
}
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