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/*
* Copyright Andrey Semashev 2007 - 2015.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file process_name.cpp
* \author Andrey Semashev
* \date 29.07.2012
*
* \brief This header is the Boost.Log library implementation, see the library documentation
* at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
*
* The code in this file is based on information on this page:
*
* http://stackoverflow.com/questions/1023306/finding-current-executables-path-without-proc-self-exe
*/
#include <climits> // PATH_MAX
#include <boost/log/attributes/current_process_name.hpp>
#include <boost/filesystem/path.hpp>
#ifndef PATH_MAX
#define PATH_MAX 1024
#endif
#if defined(BOOST_WINDOWS)
#define WIN32_LEAN_AND_MEAN
#include "windows_version.hpp"
#include <windows.h>
#include <boost/log/detail/header.hpp>
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace aux {
//! The function returns the current process name
BOOST_LOG_API std::string get_process_name()
{
std::wstring buf;
buf.resize(PATH_MAX);
do
{
unsigned int len = GetModuleFileNameW(NULL, &buf[0], static_cast< unsigned int >(buf.size()));
if (len < buf.size())
{
buf.resize(len);
break;
}
buf.resize(buf.size() * 2);
}
while (buf.size() < 65536);
return filesystem::path(buf).filename().string();
}
} // namespace aux
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
#include <cstring>
#include <mach-o/dyld.h>
#include <boost/cstdint.hpp>
#include <boost/log/detail/header.hpp>
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace aux {
//! The function returns the current process name
BOOST_LOG_API std::string get_process_name()
{
std::string buf;
buf.resize(PATH_MAX);
while (true)
{
uint32_t size = static_cast< uint32_t >(buf.size());
if (_NSGetExecutablePath(&buf[0], &size) == 0)
{
buf.resize(std::strlen(&buf[0]));
break;
}
buf.resize(size);
}
return filesystem::path(buf).filename().string();
}
} // namespace aux
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#elif defined(__FreeBSD__)
#include <stddef.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <boost/lexical_cast.hpp>
#include <boost/filesystem/operations.hpp>
#include <boost/log/detail/header.hpp>
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace aux {
//! The function returns the current process name
BOOST_LOG_API std::string get_process_name()
{
#if defined(KERN_PROC_PATHNAME)
int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
char buf[PATH_MAX] = {};
size_t cb = sizeof(buf);
if (sysctl(mib, 4, buf, &cb, NULL, 0) == 0)
return filesystem::path(buf).filename().string();
#endif
if (filesystem::exists("/proc/curproc/file"))
return filesystem::read_symlink("/proc/curproc/file").filename().string();
return boost::lexical_cast< std::string >(getpid());
}
} // namespace aux
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#else
#include <unistd.h>
#include <boost/lexical_cast.hpp>
#include <boost/filesystem/operations.hpp>
#include <boost/log/detail/header.hpp>
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace aux {
//! The function returns the current process name
BOOST_LOG_API std::string get_process_name()
{
if (filesystem::exists("/proc/self/exe"))
return filesystem::read_symlink("/proc/self/exe").filename().string();
if (filesystem::exists("/proc/curproc/file"))
return filesystem::read_symlink("/proc/curproc/file").filename().string();
if (filesystem::exists("/proc/curproc/exe"))
return filesystem::read_symlink("/proc/curproc/exe").filename().string();
return boost::lexical_cast< std::string >(getpid());
}
} // namespace aux
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif
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