3d1b5e710e
... to document the status quo. libgomp/ PR libgomp/92854 * testsuite/libgomp.oacc-c-c++-common/acc_map_data-device_already-1.c: New file. * testsuite/libgomp.oacc-c-c++-common/acc_map_data-device_already-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/acc_map_data-device_already-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/acc_map_data-host_already-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/acc_map_data-host_already-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/acc_map_data-host_already-3.c: Likewise. From-SVN: r279231
37 lines
900 B
C
37 lines
900 B
C
/* Verify that we refuse 'acc_map_data' when the "device address [...] is
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already mapped". */
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/* { dg-skip-if "" { *-*-* } { "*" } { "-DACC_MEM_SHARED=0" } } */
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <openacc.h>
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int
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main ()
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{
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const int N = 131;
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char *h1 = (char *) malloc (N);
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assert (h1);
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void *d = acc_malloc (N);
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assert (d);
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acc_map_data (h1, d, N);
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char *h2 = (char *) malloc (N);
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assert (h2);
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/* Try to arrange a setting such that a later 'acc_unmap_data' would find the
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device memory object still referenced elsewhere. This is not possible,
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given the semantics of 'acc_map_data'. */
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fprintf (stderr, "CheCKpOInT\n");
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acc_map_data (h2, d, N);
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return 0;
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}
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/* { dg-output "CheCKpOInT(\n|\r\n|\r).*" } */
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/* { dg-output "device address \\\[\[0-9a-fA-FxX\]+, \\\+131\\\] is already mapped" } */
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/* { dg-shouldfail "" } */
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