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/* { dg-do run } */
#include <stdio.h>
#include <pthread.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <openacc.h>
unsigned char *x;
void *d_x;
const int N = 256;
static void *
test (void *arg)
{
int i;
if (acc_get_current_cuda_context () != NULL)
abort ();
if (acc_is_present (x, N) != 1)
abort ();
memset (x, 0, N);
acc_copyout (x, N);
for (i = 0; i < N; i++)
{
if (x[i] != i)
abort ();
x[i] = N - i - 1;
}
d_x = acc_copyin (x, N);
return 0;
}
int
main (int argc, char **argv)
{
const int nthreads = 1;
int i;
pthread_attr_t attr;
pthread_t *tid;
if (acc_get_num_devices (acc_device_nvidia) == 0)
return 0;
acc_init (acc_device_nvidia);
x = (unsigned char *) malloc (N);
for (i = 0; i < N; i++)
{
x[i] = i;
}
d_x = acc_copyin (x, N);
if (acc_is_present (x, N) != 1)
abort ();
if (pthread_attr_init (&attr) != 0)
perror ("pthread_attr_init failed");
tid = (pthread_t *) malloc (nthreads * sizeof (pthread_t));
for (i = 0; i < nthreads; i++)
{
if (pthread_create (&tid[i], &attr, &test, (void *) (unsigned long) (i))
!= 0)
perror ("pthread_create failed");
}
if (pthread_attr_destroy (&attr) != 0)
perror ("pthread_attr_destroy failed");
for (i = 0; i < nthreads; i++)
{
void *res;
if (pthread_join (tid[i], &res) != 0)
perror ("pthread join failed");
}
if (acc_is_present (x, N) != 1)
abort ();
memset (x, 0, N);
acc_copyout (x, N);
for (i = 0; i < N; i++)
{
if (x[i] != N - i - 1)
abort ();
}
if (acc_is_present (x, N) != 0)
abort ();
acc_shutdown (acc_device_nvidia);
return 0;
}
/* { dg-output "" } */
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