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// Copyright (c) 2016 Klemens D. Morgenstern
//
// 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)
#ifndef BOOST_PROCESS_DETAIL_POSIX_FILE_DESCRIPTOR_HPP_
#define BOOST_PROCESS_DETAIL_POSIX_FILE_DESCRIPTOR_HPP_
#include <fcntl.h>
#include <string>
#include <boost/filesystem/path.hpp>
namespace boost { namespace process { namespace detail { namespace posix {
struct file_descriptor
{
enum mode_t
{
read = 1,
write = 2,
read_write = 3
};
file_descriptor() = default;
explicit file_descriptor(const boost::filesystem::path& p, mode_t mode = read_write)
: file_descriptor(p.native(), mode)
{
}
explicit file_descriptor(const std::string & path , mode_t mode = read_write)
: file_descriptor(path.c_str(), mode) {}
explicit file_descriptor(const char* path, mode_t mode = read_write)
: _handle(create_file(path, mode))
{
}
file_descriptor(const file_descriptor & ) = delete;
file_descriptor(file_descriptor && ) = default;
file_descriptor& operator=(const file_descriptor & ) = delete;
file_descriptor& operator=(file_descriptor && ) = default;
~file_descriptor()
{
if (_handle != -1)
::close(_handle);
}
int handle() const { return _handle;}
private:
static int create_file(const char* name, mode_t mode )
{
switch(mode)
{
case read:
return ::open(name, O_RDONLY);
case write:
return ::open(name, O_WRONLY | O_CREAT, 0660);
case read_write:
return ::open(name, O_RDWR | O_CREAT, 0660);
default:
return -1;
}
}
int _handle = -1;
};
}}}}
#endif /* BOOST_PROCESS_DETAIL_WINDOWS_FILE_DESCRIPTOR_HPP_ */
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