Changed how hipEvent_t is typedefed internall

- Mapped hipEvent_t directly to ihipEvent_t* instead of a handle

Change-Id: I5a8bcca0ef962932e0738c03eb1fc914d23022ae

hipamd/include/hcc_detail/hip_runtime_api.h

@@ -58,9 +58,7 @@ typedef struct ihipFunction_t *hipFunction;
 
 typedef void* hipDeviceptr;
 
-typedef struct hipEvent_t {
-    struct ihipEvent_t *_handle;
-} hipEvent_t;
+typedef struct ihipEvent_t *hipEvent_t;
 
 
 /**

hipamd/src/hip_event.cpp

@@ -33,13 +33,14 @@ hipError_t ihipEventCreate(hipEvent_t* event, unsigned flags)
 
     // TODO - support hipEventDefault, hipEventBlockingSync, hipEventDisableTiming
     if (flags == 0) {
-        ihipEvent_t *eh = event->_handle = new ihipEvent_t();
+        ihipEvent_t *eh = new ihipEvent_t();
 
         eh->_state  = hipEventStatusCreated;
         eh->_stream = NULL;
         eh->_flags  = flags;
         eh->_timestamp  = 0;
         eh->_copySeqId  = 0;
+        *event = eh;
     } else {
         e = hipErrorInvalidValue;
     }
@@ -71,7 +72,7 @@ hipError_t hipEventRecord(hipEvent_t event, hipStream_t stream)
 {
     HIP_INIT_API(event, stream);
 
-    ihipEvent_t *eh = event._handle;
+    ihipEvent_t *eh = event;
     if (eh && eh->_state != hipEventStatusUnitialized)   {
         eh->_stream = stream;
 
@@ -106,10 +107,10 @@ hipError_t hipEventDestroy(hipEvent_t event)
 {
     HIP_INIT_API(event);
 
-    event._handle->_state  = hipEventStatusUnitialized;
+    event->_state  = hipEventStatusUnitialized;
 
-    delete event._handle;
-    event._handle = NULL;
+    delete event;
+    event = NULL;
 
     // TODO - examine return additional error codes
     return ihipLogStatus(hipSuccess);
@@ -121,7 +122,7 @@ hipError_t hipEventSynchronize(hipEvent_t event)
 {
     HIP_INIT_API(event);
 
-    ihipEvent_t *eh = event._handle;
+    ihipEvent_t *eh = event;
 
     if (eh) {
         if (eh->_state == hipEventStatusUnitialized) {
@@ -150,8 +151,8 @@ hipError_t hipEventElapsedTime(float *ms, hipEvent_t start, hipEvent_t stop)
 {
     HIP_INIT_API(ms, start, stop);
 
-    ihipEvent_t *start_eh = start._handle;
-    ihipEvent_t *stop_eh = stop._handle;
+    ihipEvent_t *start_eh = start;
+    ihipEvent_t *stop_eh = stop;
 
     ihipSetTs(start);
     ihipSetTs(stop);
@@ -195,7 +196,7 @@ hipError_t hipEventQuery(hipEvent_t event)
 {
     HIP_INIT_API(event);
 
-    ihipEvent_t *eh = event._handle;
+    ihipEvent_t *eh = event;
 
     // TODO-stream - need to read state of signal here:  The event may have become ready after recording..
     // TODO-HCC - use get_hsa_signal here.

hipamd/src/hip_hcc.cpp

@@ -1493,7 +1493,7 @@ const char *ihipErrorString(hipError_t hip_error)
 
 void ihipSetTs(hipEvent_t e)
 {
-    ihipEvent_t *eh = e._handle;
+    ihipEvent_t *eh = e;
     if (eh->_state == hipEventStatusRecorded) {
         // already recorded, done:
         return;