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dft_tools/triqs/utility/stack_trace.cpp
Olivier Parcollet f2c7d449cc First commit : triqs libs version 1.0 alpha1
for earlier commits, see TRIQS0.x repository.
2013-07-17 19:24:07 +02:00

105 lines
2.9 KiB
C++

/*******************************************************************************
*
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
*
* Copyright (C) 2011 by M. Ferrero, O. Parcollet
*
* TRIQS is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* TRIQS. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#include "./stack_trace.hpp"
#include <sstream>
#ifndef TRIQS_TRACE_MAX_FRAMES
#define TRIQS_TRACE_MAX_FRAMES 50
#endif
#ifdef __GNUC__
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
#include <execinfo.h>
#include <cxxabi.h>
#include <stdlib.h>
#include <iostream>
#include <vector>
#include <boost/algorithm/string.hpp>
#include "./typeid_name.hpp"
namespace triqs { namespace utility {
//#define TRIQS_STACKTRACE_WITH_GDB
#ifdef TRIQS_STACKTRACE_WITH_GDB
std::string stack_trace() {
std::ostringstream buffer;
char pid_buf[30];
sprintf(pid_buf, "%d", getpid());
char name_buf[512];
name_buf[readlink("/proc/self/exe", name_buf, 511)]=0;
int child_pid = fork();
if (!child_pid) {
dup2(2,1); // redirect output to stderr
buffer << "stack trace for "<<name_buf<< "pid=" <<name_buf<< pid_buf<<std::endl;
//fprintf(stdout,"stack trace for %s pid=%s\n",name_buf,pid_buf);
execlp("gdb", "gdb", "--batch", "-n", "-ex", "thread", "-ex", "bt", name_buf, pid_buf, NULL);
abort(); /* If gdb failed to start */
} else {
waitpid(child_pid,NULL,0);
}
return buffer.str();
}
#else
std::string stack_trace() {
std::ostringstream buffer;
void * stack[TRIQS_TRACE_MAX_FRAMES + 1];
std::size_t depth = backtrace(stack, TRIQS_TRACE_MAX_FRAMES + 1);
if (!depth)
buffer << " empty " << std::endl;
else {
char * * symbols = backtrace_symbols(stack, depth);
for (std::size_t i = 1; i < depth; ++i) {
std::string symbol = symbols[i];
std::vector<std::string> strs;
boost::split(strs, symbol, boost::is_any_of("\t ()+"), boost::token_compress_on);
for (std::vector<std::string>::const_iterator it = strs.begin(); it !=strs.end(); ++it)
buffer << " "<<triqs::utility::demangle(*it);
buffer << std::endl;
//buffer << ": " << symbol << std::endl;
}
free(symbols);
}
return buffer.str();
}
#endif
}}
#else
namespace triqs { namespace utility {
std::string stack_trace() { return std::string("stacktrace only available in gcc");}
}}
#endif