108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
/*
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Copyright (c) 2007, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef __GNUC__
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#include <cxxabi.h>
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#include <string>
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#include <cstring>
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#include <stdlib.h>
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std::string demangle(char const* name)
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{
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// in case this string comes
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char const* start = strchr(name, '(');
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if (start != 0) ++start;
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else start = name;
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char const* end = strchr(start, '+');
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std::string in;
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if (end == 0) in.assign(start);
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else in.assign(start, end);
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size_t len;
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int status;
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char* unmangled = ::abi::__cxa_demangle(in.c_str(), 0, &len, &status);
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if (unmangled == 0) return in;
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std::string ret(unmangled);
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free(unmangled);
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return ret;
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}
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#endif
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#ifndef NDEBUG
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#include <stdlib.h>
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#include <stdio.h>
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#include <signal.h>
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#if defined __linux__ && defined __GNUC__
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#include <execinfo.h>
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#endif
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void assert_fail(char const* expr, int line, char const* file, char const* function)
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{
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fprintf(stderr, "assertion failed. Please file a bugreport at "
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"http://code.rasterbar.com/libtorrent/newticket\n"
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"Please include the following information:\n\n"
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"file: '%s'\n"
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"line: %d\n"
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"function: %s\n"
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"expression: %s\n"
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"stack:\n", file, line, function, expr);
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#if defined __linux__ && defined __GNUC__
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void* stack[50];
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int size = backtrace(stack, 50);
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char** symbols = backtrace_symbols(stack, size);
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for (int i = 0; i < size; ++i)
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{
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fprintf(stderr, "%d: %s\n", i, demangle(symbols[i]).c_str());
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}
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free(symbols);
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#endif
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// send SIGINT to the current process
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// to break into the debugger
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raise(SIGINT);
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abort();
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}
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#else
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void assert_fail(char const* expr, int line, char const* file, char const* function) {}
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#endif
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