trace.c

/********************************************************************

  Copyright 2012 Konstantin Olkhovskiy <lupus@oxnull.net>

  This file is part of libevfibers.

  libevfibers is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation, either version 3 of the
  License, or any later version.

  libevfibers 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General
  Public License along with libevfibers.  If not, see
  <http://www.gnu.org/licenses/>.

 ********************************************************************/

#include <stdlib.h>
#include <stdio.h>
#include <execinfo.h>
#include <evfibers_private/trace.h>
#include <evfibers_private/fiber.h>

void fill_trace_info(FBR_P_ struct trace_info *info)
{
        if (0 == fctx->__p->backtraces_enabled)
                return;
        info->size = backtrace(info->array, TRACE_SIZE);
}

void print_trace_info(FBR_P_ struct trace_info *info, fbr_logutil_func_t log)
{
        size_t i;
        char **strings;
        if (0 == fctx->__p->backtraces_enabled) {
                (*log)(FBR_A_ "(No backtrace since they are disabled)");
                return;
        }
        strings = backtrace_symbols(info->array, info->size);
        for (i = 0; i < info->size; i++)
                (*log)(FBR_A_ "%s", strings[i]);
        free(strings);
}