From 03d3563ef95efc6ab8076d66ebda48545c6089c4 Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Wed, 15 May 2019 16:22:24 +0100
Subject: Replace socketengine_{pthread,win32} with C++11 threads.

---
 src/threadsocket.cpp | 139 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 src/threadsocket.cpp

(limited to 'src/threadsocket.cpp')

diff --git a/src/threadsocket.cpp b/src/threadsocket.cpp
new file mode 100644
index 000000000..c7539f578
--- /dev/null
+++ b/src/threadsocket.cpp
@@ -0,0 +1,139 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
+ *
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "inspircd.h"
+
+#ifdef HAS_EVENTFD
+#include <sys/eventfd.h>
+
+class ThreadSignalSocket : public EventHandler
+{
+	SocketThread* parent;
+ public:
+	ThreadSignalSocket(SocketThread* p, int newfd) : parent(p)
+	{
+		SetFd(newfd);
+		SocketEngine::AddFd(this, FD_WANT_FAST_READ | FD_WANT_NO_WRITE);
+	}
+
+	~ThreadSignalSocket()
+	{
+		SocketEngine::Close(this);
+	}
+
+	void Notify()
+	{
+		eventfd_write(fd, 1);
+	}
+
+	void OnEventHandlerRead() override
+	{
+		eventfd_t dummy;
+		eventfd_read(fd, &dummy);
+		parent->OnNotify();
+	}
+
+	void OnEventHandlerWrite() override
+	{
+		ServerInstance->GlobalCulls.AddItem(this);
+	}
+
+	void OnEventHandlerError(int errcode) override
+	{
+		ThreadSignalSocket::OnEventHandlerWrite();
+	}
+};
+
+SocketThread::SocketThread()
+{
+	socket = NULL;
+	int fd = eventfd(0, EFD_NONBLOCK);
+	if (fd < 0)
+		throw CoreException("Could not create pipe " + std::string(strerror(errno)));
+	socket = new ThreadSignalSocket(this, fd);
+}
+#else
+
+class ThreadSignalSocket : public EventHandler
+{
+	SocketThread* parent;
+	int send_fd;
+ public:
+	ThreadSignalSocket(SocketThread* p, int recvfd, int sendfd) :
+		parent(p), send_fd(sendfd)
+	{
+		SetFd(recvfd);
+		SocketEngine::NonBlocking(fd);
+		SocketEngine::AddFd(this, FD_WANT_FAST_READ | FD_WANT_NO_WRITE);
+	}
+
+	~ThreadSignalSocket()
+	{
+		close(send_fd);
+		SocketEngine::Close(this);
+	}
+
+	void Notify()
+	{
+		static const char dummy = '*';
+		write(send_fd, &dummy, 1);
+	}
+
+	void OnEventHandlerRead() override
+	{
+		char dummy[128];
+		read(fd, dummy, 128);
+		parent->OnNotify();
+	}
+
+	void OnEventHandlerWrite() override
+	{
+		ServerInstance->GlobalCulls.AddItem(this);
+	}
+
+	void OnEventHandlerError(int errcode) override
+	{
+		ThreadSignalSocket::OnEventHandlerWrite();
+	}
+};
+
+SocketThread::SocketThread()
+{
+	socket = NULL;
+	int fds[2];
+	if (pipe(fds))
+		throw CoreException("Could not create pipe " + std::string(strerror(errno)));
+	socket = new ThreadSignalSocket(this, fds[0], fds[1]);
+}
+#endif
+
+void SocketThread::NotifyParent()
+{
+	socket->Notify();
+}
+
+SocketThread::~SocketThread()
+{
+	if (socket)
+	{
+		socket->cull();
+		delete socket;
+	}
+}
-- 
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