mirror of
https://github.com/robbert-vdh/yabridge.git
synced 2026-06-10 14:22:16 +02:00
Robbert van der Helm
70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
// yabridge: a Wine VST bridge
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// Copyright (C) 2020-2021 Robbert van der Helm
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#include "common.h"
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#include <iostream>
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#include "../editor.h"
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HostBridge::HostBridge(MainContext& main_context,
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boost::filesystem::path plugin_path,
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pid_t parent_pid)
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: plugin_path(plugin_path),
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main_context(main_context),
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generic_logger(Logger::create_wine_stderr()),
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parent_pid(parent_pid),
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watchdog_guard(main_context.register_watchdog(*this)) {}
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HostBridge::~HostBridge() noexcept {}
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void HostBridge::handle_win32_events() noexcept {
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MSG msg;
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for (int i = 0;
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i < max_win32_messages && PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE);
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i++) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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}
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void HostBridge::shutdown_if_dangling() {
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// If the parent process has exited and this plugin bridge instance is
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// outliving the process it's supposed to be connected to (because in some
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// situations sockets won't get closed when this happens so we'd hang on
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// `recv()`), then we'll close the sockets here so that the plugin bridge
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// exits gracefully. This will be periodically called from `MainContext`'s
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// watchdog thread.
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if (!pid_running(parent_pid)) {
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std::cerr << "WARNING: The native plugin host seems to have died."
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<< std::endl;
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std::cerr << " This bridge will shut down now." << std::endl;
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// FIXME: Closing the sockets should work fine, but it still leaves some
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// background threads hanging around. For now we'll just
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// terminate the entire process instead since we'll probably be
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// left in a bad state anyways. The only thing this could
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// potentially break would be sharing a plugin group across two
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// different DAWs, but you really shouldn't be doing that. :D
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//
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// Check this commit for another now-unnecessary change we
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// reverted here.
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// close_sockets();
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TerminateProcess(GetCurrentProcess(), 0);
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}
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}
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