// Copyright Antony Polukhin, 2016-2019.
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_STACKTRACE_DETAIL_SAFE_DUMP_WIN_IPP
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#define BOOST_STACKTRACE_DETAIL_SAFE_DUMP_WIN_IPP
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#include <boost/config.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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# pragma once
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#endif
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#include <boost/stacktrace/safe_dump_to.hpp>
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#include <boost/core/noncopyable.hpp>
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#include <boost/winapi/get_current_process.hpp>
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#include <boost/winapi/file_management.hpp>
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#include <boost/winapi/handles.hpp>
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#include <boost/winapi/access_rights.hpp>
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namespace boost { namespace stacktrace { namespace detail {
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std::size_t dump(void* /*fd*/, const native_frame_ptr_t* /*frames*/, std::size_t /*frames_count*/) BOOST_NOEXCEPT {
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#if 0 // This code potentially could cause deadlocks (according to the MSDN). Disabled
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boost::winapi::DWORD_ written;
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const boost::winapi::DWORD_ bytes_to_write = static_cast<boost::winapi::DWORD_>(
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sizeof(native_frame_ptr_t) * frames_count
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);
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if (!boost::winapi::WriteFile(fd, frames, bytes_to_write, &written, 0)) {
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return 0;
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}
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return frames_count;
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#endif
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return 0;
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}
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std::size_t dump(const char* /*file*/, const native_frame_ptr_t* /*frames*/, std::size_t /*frames_count*/) BOOST_NOEXCEPT {
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#if 0 // This code causing deadlocks on some platforms. Disabled
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void* const fd = boost::winapi::CreateFileA(
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file,
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boost::winapi::GENERIC_WRITE_,
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0,
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0,
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boost::winapi::CREATE_ALWAYS_,
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boost::winapi::FILE_ATTRIBUTE_NORMAL_,
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0
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);
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if (fd == boost::winapi::invalid_handle_value) {
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return 0;
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}
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const std::size_t size = boost::stacktrace::detail::dump(fd, frames, frames_count);
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boost::winapi::CloseHandle(fd);
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return size;
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#endif
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return 0;
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}
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}}} // namespace boost::stacktrace::detail
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#endif // BOOST_STACKTRACE_DETAIL_SAFE_DUMP_WIN_IPP
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