Merge pull request #2503 from omarahmed1111/fix-cuda-uninitialized-event

[Windows][CUDA] Fix cuda uninitialized event warning

Author: martygrant

source/adapters/cuda/command_buffer.cpp

@@ -52,7 +52,7 @@ commandHandleReleaseInternal(ur_exp_command_buffer_command_handle_t Command) {
   // of the `ur_event_t` object doesn't free the underlying CuEvent_t object and
   // we need to do it manually ourselves.
   if (Command->SignalNode) {
-    CUevent SignalEvent;
+    CUevent SignalEvent{};
     UR_CHECK_ERROR(
         cuGraphEventRecordNodeGetEvent(Command->SignalNode, &SignalEvent));
     UR_CHECK_ERROR(cuEventDestroy(SignalEvent));
@@ -85,7 +85,7 @@ ur_exp_command_buffer_handle_t_::~ur_exp_command_buffer_handle_t_() {
 std::unique_ptr<ur_event_handle_t_>
 ur_exp_command_buffer_handle_t_::addSignalNode(CUgraphNode DepNode,
                                                CUgraphNode &SignalNode) {
-  CUevent Event;
+  CUevent Event{};
   UR_CHECK_ERROR(cuEventCreate(&Event, CU_EVENT_DEFAULT));
   UR_CHECK_ERROR(
       cuGraphAddEventRecordNode(&SignalNode, CudaGraph, &DepNode, 1, Event));
@@ -1433,7 +1433,7 @@ UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferUpdateSignalEventExp(
     return UR_RESULT_ERROR_INVALID_OPERATION;
   }
 
-  CUevent SignalEvent;
+  CUevent SignalEvent{};
   UR_CHECK_ERROR(cuGraphEventRecordNodeGetEvent(SignalNode, &SignalEvent));
 
   if (phEvent) {

source/adapters/cuda/device.cpp

@@ -1238,7 +1238,7 @@ UR_APIEXPORT ur_result_t UR_APICALL urDeviceCreateWithNativeHandle(
 ur_result_t UR_APICALL urDeviceGetGlobalTimestamps(ur_device_handle_t hDevice,
                                                    uint64_t *pDeviceTimestamp,
                                                    uint64_t *pHostTimestamp) {
-  CUevent Event;
+  CUevent Event{};
   ScopedContext Active(hDevice);
 
   if (pDeviceTimestamp) {

source/adapters/cuda/platform.cpp

@@ -84,7 +84,7 @@ urPlatformGet(ur_adapter_handle_t *, uint32_t, uint32_t NumEntries,
               UR_CHECK_ERROR(cuDevicePrimaryCtxRetain(&Context, Device));
 
               ScopedContext Active(Context); // Set native ctx as active
-              CUevent EvBase;
+              CUevent EvBase{};
               UR_CHECK_ERROR(cuEventCreate(&EvBase, CU_EVENT_DEFAULT));
 
               // Use default stream to record base event counter