Added testing for hipStreamSynchronize and hipStreamQuery (#2572)

[ROCm/hip commit: b7f5db36d2]

projects/hip/tests/catch/unit/stream/streamCommon.hh

@@ -24,33 +24,12 @@ THE SOFTWARE.
 namespace hip {
 inline namespace stream {
 
+/* Empty kernel to ensure work finishes on the stream quickly */
+__global__ void empty_kernel();
+
 const hipStream_t nullStream = nullptr;
 const hipStream_t streamPerThread = hipStreamPerThread;
 
-/**
- * @brief Kernel that signals a semaphore to change value from 0 to 1.
- *
- * @param semaphore the semaphore that needs to be signaled.
- */
-__global__ void signaling_kernel(int* semaphore = nullptr);
-
-/**
- * @brief Kernel that busy waits until the specified semaphore goes from 0 to 1.
- *
- * @param semaphore the semaphore to wait for.
- */
-__global__ void waiting_kernel(int* semaphore = nullptr);
-
-/**
- * @brief Creates a thread that runs a signaling_kernel on a non-blocking stream.
- * hipStreamNonBlocking is used here to avoid interfering with tests for the Null Stream.
- * You must call HIP_CHECK_THREAD_FINALIZE after joining this thread.
- *
- * @param semaphore memory location to signal
- * @return std::thread thread that has to be joined after the testing is done.
- */
-std::thread startSignalingThread(int* semaphore = nullptr);
-
 // Checks stream for valid values of flags and priority
 bool checkStream(hipStream_t stream);