54 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
| /*
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|  * Copyright (C) 2016 The Android Open Source Project
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at
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|  *
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|  *      http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  */
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| 
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| package android.hardware.tests.foo@1.0;
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| 
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| //import IFoo;
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| 
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| interface IFooCallback {
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|     //heyItsMe(IFoo cb);
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|     heyItsYou(IFooCallback cb);
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|     heyItsYouIsntIt(IFooCallback cb) generates (bool yesOrNo);
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|     oneway heyItsTheMeaningOfLife(uint8_t tmol);
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| 
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|     // The next two methods are for instrumentation purposes.
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| 
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|     // Block the caller for up to ns nanosesonds and return the number
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|     // of nanoseconds it took to invoke each of the three methods
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|     // above, both from the point of view of the caller (callerBlockedNs) and
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|     // from the point of view of IFooCallback itself (timeNs).  timeNs measures
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|     // how long a method's body took to execute, regardless of whether the
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|     // method was oneway or two-way.  callerBlockedNs reflects the amount of
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|     // time the caller was blocked before the method returned.  For two-way
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|     // methods, callerBlockedNs should be slightly higher than timeNs.  For
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|     // one-way calls, callerBlockedNs will be very low, and unrelated to
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|     // timeNs.
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| 
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|     struct InvokeInfo {
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|         bool invoked;
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| 	int64_t callerBlockedNs;
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| 	int64_t timeNs;
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|     };
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|     reportResults(int64_t ns) generates (int64_t leftNs, InvokeInfo[3] invokeInfo);
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| 
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|     // This method is used by the caller of IFooCallback to tell IFooCallback
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|     // how long the three methods above took, from the point of view of that
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|     // caller.  IFooCallback adds this information to the one reported by
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|     // reportResults in InvokeInfo.
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| 
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|     youBlockedMeFor(int64_t[3] callerBlockedInfo);
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| };
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