diff options
Diffstat (limited to 'third_party/glog/src/stacktrace_generic-inl.h')
| -rw-r--r-- | third_party/glog/src/stacktrace_generic-inl.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/glog/src/stacktrace_generic-inl.h b/third_party/glog/src/stacktrace_generic-inl.h new file mode 100644 index 0000000000..fad81d3e3f --- /dev/null +++ b/third_party/glog/src/stacktrace_generic-inl.h @@ -0,0 +1,59 @@ +// 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_ |