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Kokkos_Error.cpp
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Sat, Jul 6, 22:47

Kokkos_Error.cpp
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/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "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 SANDIA CORPORATION OR THE
// 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.
//
// Questions? Contact H. Carter Edwards (hcedwar@sandia.gov)
//
// ************************************************************************
//@HEADER
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ostream>
#include <sstream>
#include <iomanip>
#include <stdexcept>
#include <impl/Kokkos_Error.hpp>
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Impl {
void host_abort( const char * const message )
{
fwrite(message,1,strlen(message),stderr);
fflush(stderr);
::abort();
}
void throw_runtime_exception( const std::string & msg )
{
std::ostringstream o ;
o << msg ;
traceback_callstack( o );
throw std::runtime_error( o.str() );
}
std::string human_memory_size(size_t arg_bytes)
{
double bytes = arg_bytes;
const double K = 1024;
const double M = K*1024;
const double G = M*1024;
std::ostringstream out;
if (bytes < K) {
out << std::setprecision(4) << bytes << " B";
} else if (bytes < M) {
bytes /= K;
out << std::setprecision(4) << bytes << " K";
} else if (bytes < G) {
bytes /= M;
out << std::setprecision(4) << bytes << " M";
} else {
bytes /= G;
out << std::setprecision(4) << bytes << " G";
}
return out.str();
}
}
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
#if defined( __GNUC__ ) && defined( ENABLE_TRACEBACK )
/* This is only known to work with GNU C++
* Must be compiled with '-rdynamic'
* Must be linked with '-ldl'
*/
/* Print call stack into an error stream,
* so one knows in which function the error occured.
*
* Code copied from:
* http://stupefydeveloper.blogspot.com/2008/10/cc-call-stack.html
*
* License on this site:
* This blog is licensed under a
* Creative Commons Attribution-Share Alike 3.0 Unported License.
*
* http://creativecommons.org/licenses/by-sa/3.0/
*
* Modified to output to std::ostream.
*/
#include <signal.h>
#include <execinfo.h>
#include <cxxabi.h>
#include <dlfcn.h>
#include <stdlib.h>
namespace Kokkos {
namespace Impl {
void traceback_callstack( std::ostream & msg )
{
using namespace abi;
enum { MAX_DEPTH = 32 };
void *trace[MAX_DEPTH];
Dl_info dlinfo;
int status;
int trace_size = backtrace(trace, MAX_DEPTH);
msg << std::endl << "Call stack {" << std::endl ;
for (int i=1; i<trace_size; ++i)
{
if(!dladdr(trace[i], &dlinfo))
continue;
const char * symname = dlinfo.dli_sname;
char * demangled = __cxa_demangle(symname, NULL, 0, &status);
if ( status == 0 && demangled ) {
symname = demangled;
}
if ( symname && *symname != 0 ) {
msg << " object: " << dlinfo.dli_fname
<< " function: " << symname
<< std::endl ;
}
if ( demangled ) {
free(demangled);
}
}
msg << "}" ;
}
}
}
#else
namespace Kokkos {
namespace Impl {
void traceback_callstack( std::ostream & msg )
{
msg << std::endl << "Traceback functionality not available" << std::endl ;
}
}
}
#endif

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