Retro68/gcc/libgomp/testsuite/libgomp.c++/ctor-8.C
Wolfgang Thaller aaf905ce07 add gcc 4.70
2012-03-28 01:13:14 +02:00

78 lines
1.1 KiB
C

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