Add hipStreamQuery

Change-Id: Ib0813b1065feba4fe9ae861d24cfc6f9c5f580be

src/hip_stream.cpp

@@ -115,6 +115,27 @@ hipError_t hipStreamWaitEvent(hipStream_t stream, hipEvent_t event, unsigned int
 };
 
 
+//---
+hipError_t hipStreamQuery(hipStream_t stream)
+{
+    HIP_INIT_API(stream);
+
+    // Use default stream if 0 specified:
+    if (stream == hipStreamNull) {
+        ihipCtx_t *device = ihipGetTlsDefaultCtx();
+        stream =  device->_defaultStream;
+    }
+
+    LockedAccessor_StreamCrit_t crit(stream->_criticalData);
+    int pendingOps = crit->_av.get_pending_async_ops();
+
+
+    hipError_t e = (pendingOps > 0) ? hipErrorNotReady : hipSuccess;
+
+    return ihipLogStatus(e);
+}
+
+
 //---
 hipError_t hipStreamSynchronize(hipStream_t stream)
 {