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[SYCL][CUDA] Avoid failure when no devices available #1210

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[SYCL][CUDA] Avoid failure when no devices available #1210

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8 changes: 7 additions & 1 deletion sycl/plugins/cuda/pi_cuda.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -545,7 +545,13 @@ pi_result cuda_piPlatformsGet(pi_uint32 num_entries, pi_platform *platforms,
std::call_once(
initFlag,
[](pi_result &err) {
err = PI_CHECK_ERROR(cuInit(0));
CUresult cuErr = cuInit(0);
if (cuErr == CUDA_ERROR_NO_DEVICE) {
// The cuda backend is active, but there are no devices
// available
return;
}
err = check_error(cuErr, "cuInit", __LINE__, __FILE__);

int numDevices = 0;
err = PI_CHECK_ERROR(cuDeviceGetCount(&numDevices));
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