File: stacktrace.h

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// 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.
//
// Routines to extract the current stack trace.  These functions are
// thread-safe.

#ifndef BASE_STACKTRACE_H_
#define BASE_STACKTRACE_H_

#include "config.h"

_START_GOOGLE_NAMESPACE_

// This is similar to the GetStackFrames routine, except that it returns
// the stack trace only, and not the stack frame sizes as well.
// Example:
//      main() { foo(); }
//      foo() { bar(); }
//      bar() {
//        void* result[10];
//        int depth = GetStackFrames(result, 10, 1);
//      }
//
// This produces:
//      result[0]       foo
//      result[1]       main
//           ....       ...
//
// "result" must not be NULL.
extern int GetStackTrace(void** result, int max_depth, int skip_count);

_END_GOOGLE_NAMESPACE_

#endif  // BASE_STACKTRACE_H_