| // -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- |
| // Copyright (c) 2014, 2024, gperftools Contributors |
| // All rights reserved. |
| // |
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| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
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| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
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| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef MALLOC_BACKTRACE_H |
| #define MALLOC_BACKTRACE_H |
| |
| #include "config.h" |
| |
| #include "base/basictypes.h" |
| #include "gperftools/stacktrace.h" |
| |
| namespace tcmalloc { |
| |
| #ifdef NO_TCMALLOC_SAMPLES |
| |
| inline int GrabBacktrace(void** result, int max_depth, int skip_count) { return 0; } |
| |
| inline void MallocBacktraceInit() {} |
| |
| #else |
| |
| // GrabBacktrace is the API to use when capturing backtrace for |
| // various tcmalloc features. It has optional emergency malloc |
| // integration for occasional case where stacktrace capturing method |
| // calls back to malloc (so we divert those calls to emergency malloc |
| // facility). |
| int GrabBacktrace(void** result, int max_depth, int skip_count); |
| |
| #endif |
| |
| } // namespace tcmalloc |
| |
| #ifndef THIS_IS_MALLOC_BACKTRACE_CC |
| // When something includes this file, don't let us use 'regular' |
| // stacktrace API directly. |
| #define GetStackTrace(...) missing |
| #define GetStackTraceWithContext(...) missing |
| #define GetStackFrames(...) missing |
| #define GetStackFramesWithContext(...) missing |
| #endif // THIS_IS_MALLOC_BACKTRACE_CC |
| |
| #endif // MALLOC_BACKTRACE_H |
