/* * OXT - OS eXtensions for boosT * Provides important functionality necessary for writing robust server software. * * Copyright (c) 2010-2025 Asynchronous B.V. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ // Actual implementation for backtrace.hpp. #define OXT_BACKTRACE_IS_ENABLED #include namespace oxt { /** * A single point in a backtrace. Creating this object will cause it * to push itself to the thread's backtrace list. This backtrace list * is stored in a thread local storage, and so is unique for each * thread. Upon destruction, the object will pop itself from the thread's * backtrace list. * * Except if you set the 'detached' argument to true. */ struct trace_point { typedef bool (*DataFunction)(char *output, unsigned int size, void *userData); struct detached { }; const char *function; const char *source; union { const char *data; struct { DataFunction func; void *userData; } dataFunc; } u; unsigned short line; bool m_detached; bool m_hasDataFunc; trace_point(const char *function, const char *source, unsigned short line, const char *data = 0); trace_point(const char *function, const char *source, unsigned short line, DataFunction dataFunc, void *userData, bool detached = false); trace_point(const char *function, const char *source, unsigned short line, const char *data, const detached &detached_tag); ~trace_point(); void update(const char *source, unsigned short line); }; #define TRACE_POINT() oxt::trace_point __p(BOOST_CURRENT_FUNCTION, __FILE__, __LINE__) #define TRACE_POINT_WITH_NAME(name) oxt::trace_point __p(name, __FILE__, __LINE__) #define TRACE_POINT_WITH_DATA(data) oxt::trace_point __p(BOOST_CURRENT_FUNCTION, __FILE__, __LINE__, data) #define TRACE_POINT_WITH_DATA_FUNCTION(func, userData) \ oxt::trace_point __p(BOOST_CURRENT_FUNCTION, __FILE__, __LINE__, func, (void *) userData) #define UPDATE_TRACE_POINT() __p.update(__FILE__, __LINE__) } // namespace oxt