Viewing file:  atomic-3.C (1.15 KB) -rw-r--r--
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// { dg-do run }
// C++17 forbids ++ on bool.
// { dg-options "-Wno-deprecated -std=gnu++14" }
extern "C" void abort (void);
bool v, x1, x2, x3, x4, x5, x6;
void
foo ()
{
#pragma omp atomic capture
v = ++x1;
if (!v)
abort ();
#pragma omp atomic capture
v = x2++;
if (v)
abort ();
#pragma omp atomic read
v = x3;
if (!v)
abort ();
#pragma omp atomic read
v = x4;
if (!v)
abort ();
#pragma omp atomic capture
{ v = x5; x5 |= 1; }
if (v)
abort ();
#pragma omp atomic capture
{ x6 |= 1; v = x6; }
if (!v)
abort ();
}
void
bar ()
{
#pragma omp atomic write
x1 = false;
#pragma omp atomic write
x2 = false;
#pragma omp atomic capture
{ ++x1; v = x1; }
if (!v)
abort ();
#pragma omp atomic capture
{ v = x2; x2++; }
if (v)
abort ();
#pragma omp atomic write
x1 = false;
#pragma omp atomic write
x2 = false;
#pragma omp atomic capture
{ x1++; v = x1; }
if (!v)
abort ();
#pragma omp atomic capture
{ v = x2; ++x2; }
if (v)
abort ();
}
int
main ()
{
#pragma omp atomic write
x3 = true;
#pragma omp atomic write
x4 = true;
foo ();
bar ();
return 0;
}
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