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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:31:44 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:31:44 -0800 |
commit | edbf3b6af777b721cd2a1ef461947e51e88241e1 (patch) | |
tree | f09427b843b192cccf8c3b5328cb81dddf6489fa /include/utils/CallStack.h | |
parent | d5193d9394c5e58176d7bcdf50ef017f8a3b9e1e (diff) | |
download | frameworks_native-edbf3b6af777b721cd2a1ef461947e51e88241e1.zip frameworks_native-edbf3b6af777b721cd2a1ef461947e51e88241e1.tar.gz frameworks_native-edbf3b6af777b721cd2a1ef461947e51e88241e1.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'include/utils/CallStack.h')
-rw-r--r-- | include/utils/CallStack.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/include/utils/CallStack.h b/include/utils/CallStack.h new file mode 100644 index 0000000..c2c8ce5 --- /dev/null +++ b/include/utils/CallStack.h @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_CALLSTACK_H +#define ANDROID_CALLSTACK_H + +#include <stdint.h> +#include <sys/types.h> + +#include <utils/String8.h> + +// --------------------------------------------------------------------------- + +namespace android { + +class CallStack +{ +public: + enum { + MAX_DEPTH = 31 + }; + + CallStack(); + CallStack(const CallStack& rhs); + ~CallStack(); + + CallStack& operator = (const CallStack& rhs); + + bool operator == (const CallStack& rhs) const; + bool operator != (const CallStack& rhs) const; + bool operator < (const CallStack& rhs) const; + bool operator >= (const CallStack& rhs) const; + bool operator > (const CallStack& rhs) const; + bool operator <= (const CallStack& rhs) const; + + const void* operator [] (int index) const; + + void clear(); + + void update(int32_t ignoreDepth=0, int32_t maxDepth=MAX_DEPTH); + + // Dump a stack trace to the log + void dump(const char* prefix = 0) const; + + // Return a string (possibly very long) containing the complete stack trace + String8 toString(const char* prefix = 0) const; + + size_t size() const { return mCount; } + +private: + // Internal helper function + String8 toStringSingleLevel(const char* prefix, int32_t level) const; + + size_t mCount; + const void* mStack[MAX_DEPTH]; +}; + +}; // namespace android + + +// --------------------------------------------------------------------------- + +#endif // ANDROID_CALLSTACK_H |