libgomp/testsuite/libgomp.oacc-c-c++-common/acc_map_data-device_already-2.c

   1 /* Verify that we refuse 'acc_map_data' when the "device address [...] is
   2    already mapped".  */
   3
   4 /* { dg-skip-if "" { *-*-* } { "*" } { "-DACC_MEM_SHARED=0" } } */
   5
   6 #include <assert.h>
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <openacc.h>
  10
  11 int
  12 main ()
  13 {
  14   const int N = 132;
  15
  16   char *h1 = (char *) malloc (N);
  17   assert (h1);
  18   void *d = acc_create (h1, N);
  19   assert (d);
  20
  21   char *h2 = (char *) malloc (N);
  22   assert (h2);
  23   /* Try to arrange a setting such that a later 'acc_unmap_data' would find the
  24      device memory object still referenced elsewhere.  This is not possible,
  25      given the semantics of 'acc_map_data'.  */
  26   fprintf (stderr, "CheCKpOInT\n");
  27   acc_map_data (h2, d, N);
  28
  29   return 0;
  30 }
  31
  32
  33 /* { dg-output "CheCKpOInT(\n|\r\n|\r).*" } */
  34 /* { dg-output "device address \\\[\[0-9a-fA-FxX\]+, \\\+132\\\] is already mapped" } */
  35 /* { dg-shouldfail "" } */