Added support for hipCtxSynchronize and hipCtxGetFlags,modified hipDeviceSynchronize

Change-Id: If7bac667a262fa8c0cb3dc93e97f2534855acd07

src/hip_context.cpp

@@ -216,4 +216,18 @@ hipError_t hipCtxGetSharedMemConfig ( hipSharedMemConfig * pConfig )
     *pConfig = hipSharedMemBankSizeFourByte;
 
     return ihipLogStatus(hipSuccess);
-}
+}
+
+hipError_t hipCtxSynchronize ( void )
+{
+    return ihipSynchronize(); //TODP Shall check validity of ctx?
+}
+
+hipError_t hipCtxGetFlags ( unsigned int* flags )
+{
+    hipError_t e = hipSuccess;
+    ihipCtx_t* tempCtx;
+    tempCtx = ihipGetTlsDefaultCtx();
+    *flags = tempCtx->_ctxFlags;
+    return ihipLogStatus(e);
+}

src/hip_device.cpp

@@ -160,11 +160,7 @@ hipError_t hipSetDevice(int deviceId)
  */
 hipError_t hipDeviceSynchronize(void)
 {
-    HIP_INIT_API();
-
-    ihipGetTlsDefaultCtx()->locked_waitAllStreams(); // ignores non-blocking streams, this waits for all activity to finish.
-
-    return ihipLogStatus(hipSuccess);
+    return ihipSynchronize();
 }
 
 

src/hip_hcc.cpp

@@ -158,7 +158,14 @@ ihipCtx_t *ihipGetTlsDefaultCtx()
     return tls_defaultCtx;
 }
 
+hipError_t ihipSynchronize(void)
+{
+    HIP_INIT_API();
 
+    ihipGetTlsDefaultCtx()->locked_waitAllStreams(); // ignores non-blocking streams, this waits for all activity to finish.
+
+    return ihipLogStatus(hipSuccess);
+}
 
 //=================================================================================================
 // ihipSignal_t: