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plugin-nvptx.c (nvptx_get_num_devices): Return zero on cuInit failure. 

* plugin/plugin-nvptx.c (nvptx_get_num_devices): Return zero
	on cuInit failure.

From-SVN: r223352
This commit is contained in:
Julian Brown 2015-05-19 11:06:31 +00:00 committed by Julian Brown
parent 9626d143b9
commit c831982647
2 changed files with 12 additions and 1 deletions
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5
libgomp/ChangeLog
View File

@ -1,3 +1,8 @@
2015-05-19 Julian Brown <julian@codesourcery.com>
* plugin/plugin-nvptx.c (nvptx_get_num_devices): Return zero
on cuInit failure.
2015-05-13 Jakub Jelinek <jakub@redhat.com> 2015-05-13 Jakub Jelinek <jakub@redhat.com>
PR middle-end/66133 PR middle-end/66133

8
libgomp/plugin/plugin-nvptx.c
View File

@ -782,7 +782,13 @@ nvptx_get_num_devices (void)
until cuInit has been called. Just call it now (but don't yet do any until cuInit has been called. Just call it now (but don't yet do any
further initialization). */ further initialization). */
if (instantiated_devices == 0) if (instantiated_devices == 0)
cuInit (0); {
r = cuInit (0);
/* This is not an error: e.g. we may have CUDA libraries installed but
no devices available. */
if (r != CUDA_SUCCESS)
return 0;
}
r = cuDeviceGetCount (&n); r = cuDeviceGetCount (&n);
if (r!= CUDA_SUCCESS) if (r!= CUDA_SUCCESS)