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/* |
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// Copyright (c) 2014 Intel Corporation |
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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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#ifndef HWC_TRACE_H |
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#define HWC_TRACE_H |
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#define LOG_TAG "hwcomposer" |
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//#define LOG_NDEBUG 0 |
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#include <cutils/log.h> |
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#ifdef _cplusplus |
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extern "C" { |
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#endif |
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// Helper to automatically preappend classname::functionname to the log message |
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#define VTRACE(fmt,...) ALOGV("%s: " fmt, __func__, ##__VA_ARGS__) |
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#define DTRACE(fmt,...) ALOGD("%s: " fmt, __func__, ##__VA_ARGS__) |
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#define ITRACE(fmt,...) ALOGI("%s: " fmt, __func__, ##__VA_ARGS__) |
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#define WTRACE(fmt,...) ALOGW("%s: " fmt, __func__, ##__VA_ARGS__) |
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#define ETRACE(fmt,...) ALOGE("%s: " fmt, __func__, ##__VA_ARGS__) |
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// Function call tracing |
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#if 0 |
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#define CTRACE() ALOGV("Calling %s", __func__) |
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#define XTRACE() ALOGV("Leaving %s", __func__) |
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#else |
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#define CTRACE() ((void)0) |
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#define XTRACE() ((void)0) |
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#endif |
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// Arguments tracing |
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#if 0 |
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#define ATRACE(fmt,...) ALOGV("%s(args): "fmt, __func__, ##__VA_ARGS__); |
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#else |
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#define ATRACE(fmt,...) ((void)0) |
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#endif |
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// Helper to abort the execution if object is not initialized. |
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// This should never happen if the rules below are followed during design: |
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// 1) Create an object. |
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// 2) Initialize the object immediately. |
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// 3) If failed, delete the object. |
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// These helpers should be disabled and stripped out of release build |
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#define RETURN_X_IF_NOT_INIT(X) \ |
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do { \ |
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CTRACE(); \ |
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if (false == mInitialized) { \ |
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LOG_ALWAYS_FATAL("%s: Object is not initialized! Line = %d", __func__, __LINE__); \ |
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return X; \ |
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} \ |
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} while (0) |
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#if 1 |
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#define RETURN_FALSE_IF_NOT_INIT() RETURN_X_IF_NOT_INIT(false) |
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#define RETURN_VOID_IF_NOT_INIT() RETURN_X_IF_NOT_INIT() |
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#define RETURN_NULL_IF_NOT_INIT() RETURN_X_IF_NOT_INIT(0) |
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#else |
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#define RETURN_FALSE_IF_NOT_INIT() ((void)0) |
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#define RETURN_VOID_IF_NOT_INIT() ((void)0) |
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#define RETURN_NULL_IF_NOT_INIT() ((void)0) |
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#endif |
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// Helper to log error message, call de-initializer and return false. |
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#define DEINIT_AND_RETURN_FALSE(...) \ |
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do { \ |
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ETRACE(__VA_ARGS__); \ |
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deinitialize(); \ |
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return false; \ |
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} while (0) |
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#define DEINIT_AND_DELETE_OBJ(X) \ |
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if (X) {\ |
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X->deinitialize();\ |
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delete X; \ |
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X = NULL; \ |
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} |
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#define WARN_IF_NOT_DEINIT() \ |
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CTRACE(); \ |
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if (mInitialized) {\ |
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LOG_ALWAYS_FATAL("%s: Object is not deinitialized! Line = %d", __func__, __LINE__); \ |
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} |
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// _cplusplus |
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#ifdef _cplusplus |
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} |
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#endif |
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#endif /* HWC_TRACE_H */
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