1  /* { dg-do run { target openacc_nvidia_accel_selected } } */
       2  /* { dg-additional-options "-lcuda" } */
       3  /* { dg-require-effective-target openacc_cuda } */
       4  
       5  #include <stdio.h>
       6  #include <stdlib.h>
       7  #include <unistd.h>
       8  #include <openacc.h>
       9  #include <cuda.h>
      10  #include <sys/time.h>
      11  
      12  int
      13  main (int argc, char **argv)
      14  {
      15    CUstream stream;
      16    CUresult r;
      17    struct timeval tv1, tv2;
      18    time_t t1;
      19  
      20    acc_init (acc_device_nvidia);
      21  
      22    stream = (CUstream) acc_get_cuda_stream (0);
      23    if (stream != NULL)
      24      abort ();
      25  
      26    r = cuStreamCreate (&stream, CU_STREAM_DEFAULT);
      27    if (r != CUDA_SUCCESS)
      28      {
      29        fprintf (stderr, "cuStreamCreate failed: %d\n", r);
      30        abort ();
      31      }
      32  
      33    if (!acc_set_cuda_stream (0, stream))
      34      abort ();
      35  
      36    gettimeofday (&tv1, NULL);
      37  
      38    acc_wait_all_async (0);
      39  
      40    acc_wait (0);
      41  
      42    gettimeofday (&tv2, NULL);
      43  
      44    t1 = ((tv2.tv_sec - tv1.tv_sec) * 1000000) + (tv2.tv_usec - tv1.tv_usec);
      45  
      46    if (t1 > 1000)
      47      {
      48        fprintf (stderr, "too long\n");
      49        abort ();
      50      }
      51  
      52    acc_shutdown (acc_device_nvidia);
      53  
      54    exit (0);
      55  }
      56  
      57  /* { dg-output "" } */