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54 lines
2.1 KiB
54 lines
2.1 KiB
/*
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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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package android.hardware.tests.foo@1.0;
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//import IFoo;
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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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// The next two methods are for instrumentation purposes.
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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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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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// 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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youBlockedMeFor(int64_t[3] callerBlockedInfo);
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};
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