113 lines
1.8 KiB
C
113 lines
1.8 KiB
C
/* { dg-do run } */
|
|
|
|
#include <pthread.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
#include <ctype.h>
|
|
#include <openacc.h>
|
|
|
|
unsigned char **x;
|
|
void **d_x;
|
|
const int N = 32;
|
|
const int NTHREADS = 32;
|
|
|
|
static void *
|
|
test (void *arg)
|
|
{
|
|
int i;
|
|
int tid;
|
|
unsigned char *p;
|
|
int devnum;
|
|
|
|
tid = (int) (long) arg;
|
|
|
|
devnum = acc_get_device_num (acc_device_nvidia);
|
|
acc_set_device_num (devnum, acc_device_nvidia);
|
|
|
|
if (acc_get_current_cuda_context () == NULL)
|
|
abort ();
|
|
|
|
acc_copyout (x[tid], N);
|
|
|
|
p = x[tid];
|
|
|
|
for (i = 0; i < N; i++)
|
|
{
|
|
if (p[i] != i)
|
|
abort ();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
int i;
|
|
pthread_attr_t attr;
|
|
pthread_t *tid;
|
|
unsigned char *p;
|
|
|
|
if (acc_get_num_devices (acc_device_nvidia) == 0)
|
|
return 0;
|
|
|
|
acc_init (acc_device_nvidia);
|
|
|
|
x = (unsigned char **) malloc (NTHREADS * N);
|
|
d_x = (void **) malloc (NTHREADS * N);
|
|
|
|
for (i = 0; i < N; i++)
|
|
{
|
|
int j;
|
|
|
|
p = (unsigned char *) malloc (N);
|
|
|
|
x[i] = p;
|
|
|
|
for (j = 0; j < N; j++)
|
|
{
|
|
p[j] = j;
|
|
}
|
|
|
|
d_x[i] = acc_copyin (p, N);
|
|
}
|
|
|
|
if (pthread_attr_init (&attr) != 0)
|
|
perror ("pthread_attr_init failed");
|
|
|
|
tid = (pthread_t *) malloc (NTHREADS * sizeof (pthread_t));
|
|
|
|
acc_get_cuda_stream (1);
|
|
|
|
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");
|
|
}
|
|
|
|
for (i = 0; i < NTHREADS; i++)
|
|
{
|
|
if (acc_is_present (x[i], N) != 0)
|
|
abort ();
|
|
}
|
|
|
|
acc_shutdown (acc_device_nvidia);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* { dg-output "" } */
|