| // Copyright 2000 - 2007 Google Inc. |
| // All rights reserved. |
| // |
| // 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_ |
