/thirdparty/breakpad/third_party/glog/src/stacktrace_generic-inl.h
http://github.com/tomahawk-player/tomahawk · C++ Header · 59 lines · 20 code · 5 blank · 34 comment · 3 complexity · 875dd9bf21695d807cffebf8c20236aa MD5 · raw file
- // Copyright (c) 2000 - 2007, Google Inc.
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- //
- // * Redistributions of source code must retain the above copyright
- // 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.
- // * Neither the name of Google Inc. nor the names of its
- // 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
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- //
- // Portable implementation - just use glibc
- //
- // Note: The glibc implementation may cause a call to malloc.
- // This can cause a deadlock in HeapProfiler.
- #include <execinfo.h>
- #include <string.h>
- #include "stacktrace.h"
- _START_GOOGLE_NAMESPACE_
- // If you change this function, also change GetStackFrames below.
- int GetStackTrace(void** result, int max_depth, int skip_count) {
- static const int kStackLength = 64;
- void * stack[kStackLength];
- int size;
- size = backtrace(stack, kStackLength);
- skip_count++; // we want to skip the current frame as well
- int result_count = size - skip_count;
- if (result_count < 0)
- result_count = 0;
- if (result_count > max_depth)
- result_count = max_depth;
- for (int i = 0; i < result_count; i++)
- result[i] = stack[i + skip_count];
- return result_count;
- }
- _END_GOOGLE_NAMESPACE_