[SYCL] Fix host device check (#234)

bso-intel · web-flow · commit e1607bfeb08f · 2021-04-16T09:58:01.000+03:00
Signed-off-by: Byoungro So &lt;byoungro.so@intel.com&gt;
diff --git a/SYCL/FilterSelector/select_device_cuda.cpp b/SYCL/FilterSelector/select_device_cuda.cpp
@@ -47,11 +47,15 @@ int main() {
       cout << "Expectedly, cpu device is not found." << std::endl;
     }
   }
-  // HOST device is always available regardless of SYCL_DEVICE_FILTER
   {
     host_selector hs;
-    device d = hs.select_device();
-    cout << "HOST device is found: " << d.is_host() << std::endl;
+    try {
+      device d = hs.select_device();
+      cerr << "HOST device is found in error: " << d.is_host() << std::endl;
+      return -1;
+    } catch (...) {
+      cout << "Expectedly, HOST device is not found." << std::endl;
+    }
   }
   {
     accelerator_selector as;

Original file line number	Diff line number	Diff line change
`@@ -47,11 +47,15 @@ int main() {`
`47`	`47`	`cout << "Expectedly, cpu device is not found." << std::endl;`
`48`	`48`	`}`
`49`	`49`	`}`
`50`		`- // HOST device is always available regardless of SYCL_DEVICE_FILTER`
`51`	`50`	`{`
`52`	`51`	`host_selector hs;`
`53`		`- device d = hs.select_device();`
`54`		`- cout << "HOST device is found: " << d.is_host() << std::endl;`
	`52`	`+ try {`
	`53`	`+ device d = hs.select_device();`
	`54`	`+ cerr << "HOST device is found in error: " << d.is_host() << std::endl;`
	`55`	`+ return -1;`
	`56`	`+ } catch (...) {`
	`57`	`+ cout << "Expectedly, HOST device is not found." << std::endl;`
	`58`	`+ }`
`55`	`59`	`}`
`56`	`60`	`{`
`57`	`61`	`accelerator_selector as;`