67 lines
2 KiB
C++
67 lines
2 KiB
C++
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// Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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#include "../config.h"
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#include "libaegisub/file_mapping.h"
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#include "libaegisub/fs.h"
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#include "libaegisub/util.h"
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#include <boost/filesystem.hpp>
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#include <Windows.h>
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using namespace boost::interprocess;
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namespace agi {
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file_mapping::file_mapping(agi::fs::path const& filename, mode_t mode)
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#ifdef _WIN32
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: handle(CreateFileW(filename.wstring().c_str(), (unsigned int)mode, 0, nullptr, OPEN_EXISTING, 0, 0))
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{
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if (handle == ipcdetail::invalid_file()) {
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switch (GetLastError()) {
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case ERROR_FILE_NOT_FOUND:
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case ERROR_PATH_NOT_FOUND:
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throw fs::FileNotFound(filename);
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case ERROR_ACCESS_DENIED:
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throw fs::ReadDenied(filename);
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default:
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throw fs::FileSystemUnknownError(util::ErrorString(GetLastError()));
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}
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}
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#else
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: handle(ipcdetail::open_existing_file(filename.string().c_str(), mode))
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{
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if (handle == ipcdetail::invalid_file()) {
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switch (errno) {
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case ENOENT:
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throw fs::FileNotFound(filename);
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case EACCES:
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throw fs::ReadDenied(filename);
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case EIO:
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throw fs::FileSystemUnknownError("Fatal I/O opening path: " + filename.string());
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}
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}
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#endif
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}
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file_mapping::~file_mapping() {
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if (handle != ipcdetail::invalid_file()) {
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ipcdetail::close_file(handle);
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}
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}
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}
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