]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/threadengines/threadengine_pthread.cpp
Hide the server name/desc better when <options:hideserver> is set.
[user/henk/code/inspircd.git] / src / threadengines / threadengine_pthread.cpp
index 5aef0f2477f343916a2e203c5617ad9db3c3bec0..7e822faa9b1cf862fbeab19cfce6dd7bb15823c4 100644 (file)
@@ -1,24 +1,29 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ *   Copyright (C) 2013-2015 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008, 2010 Craig Edwards <brain@inspircd.org>
  *
- * This program is free but copyrighted software; see
- *         the file COPYING for details.
+ * 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"
 #include "threadengines/threadengine_pthread.h"
 #include <pthread.h>
-#include <signal.h>
-
-ThreadEngine::ThreadEngine(InspIRCd* Instance)
-{
-}
+#include <fcntl.h>
 
 static void* entry_point(void* parameter)
 {
@@ -28,7 +33,7 @@ static void* entry_point(void* parameter)
        sigaddset(&set, SIGPIPE);
        pthread_sigmask(SIG_BLOCK, &set, NULL);
 
-       Thread* pt = reinterpret_cast<Thread*>(parameter);
+       Thread* pt = static_cast<Thread*>(parameter);
        pt->Run();
        return parameter;
 }
@@ -36,43 +41,32 @@ static void* entry_point(void* parameter)
 
 void ThreadEngine::Start(Thread* thread)
 {
-       ThreadData* data = new ThreadData;
-       thread->state = data;
-
-       if (pthread_create(&data->pthread_id, NULL, entry_point, thread) != 0)
-       {
-               thread->state = NULL;
-               delete data;
+       if (pthread_create(&thread->state.pthread_id, NULL, entry_point, thread) != 0)
                throw CoreException("Unable to create new thread: " + std::string(strerror(errno)));
-       }
 }
 
-ThreadEngine::~ThreadEngine()
-{
-}
-
-void ThreadData::FreeThread(Thread* thread)
+void ThreadEngine::Stop(Thread* thread)
 {
        thread->SetExitFlag();
-       pthread_join(pthread_id, NULL);
+       pthread_join(thread->state.pthread_id, NULL);
 }
 
-#if 0
-/* TODO this is a linux-specific syscall that allows signals to be
- * sent using a single file descriptor, rather than 2 for a pipe.
- * Requires glibc 2.8, kernel 2.6.22+
- */
+#ifdef HAS_EVENTFD
 #include <sys/eventfd.h>
 
-class ThreadSignalSocket : public BufferedSocket
+class ThreadSignalSocket : public EventHandler
 {
        SocketThread* parent;
  public:
-       ThreadSignalSocket(SocketThread* p, InspIRCd* SI, int newfd) :
-               BufferedSocket(SI, newfd, const_cast<char*>("0.0.0.0")), parent(p) {}
+       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()
@@ -80,60 +74,84 @@ class ThreadSignalSocket : public BufferedSocket
                eventfd_write(fd, 1);
        }
 
-       virtual bool OnDataReady()
+       void OnEventHandlerRead() CXX11_OVERRIDE
        {
-               eventfd_t data;
-               if (eventfd_read(fd, &data))
-                       return false;
+               eventfd_t dummy;
+               eventfd_read(fd, &dummy);
                parent->OnNotify();
-               return true;
+       }
+
+       void OnEventHandlerWrite() CXX11_OVERRIDE
+       {
+               ServerInstance->GlobalCulls.AddItem(this);
+       }
+
+       void OnEventHandlerError(int errcode) CXX11_OVERRIDE
+       {
+               ThreadSignalSocket::OnEventHandlerWrite();
        }
 };
 
-SocketThread::SocketThread(InspIRCd* SI)
+SocketThread::SocketThread()
 {
-       int fd = eventfd(0, 0); // TODO nonblock
+       signal.sock = NULL;
+       int fd = eventfd(0, EFD_NONBLOCK);
        if (fd < 0)
-               throw new CoreException("Could not create pipe " + std::string(strerror(errno)));
-       signal.sock = new ThreadSignalSocket(this, SI, fd);
+               throw CoreException("Could not create pipe " + std::string(strerror(errno)));
+       signal.sock = new ThreadSignalSocket(this, fd);
 }
 #else
 
-class ThreadSignalSocket : public BufferedSocket
+class ThreadSignalSocket : public EventHandler
 {
        SocketThread* parent;
        int send_fd;
  public:
-       ThreadSignalSocket(SocketThread* p, InspIRCd* SI, int recvfd, int sendfd) :
-               BufferedSocket(SI, recvfd, const_cast<char*>("0.0.0.0")), parent(p), send_fd(sendfd)  {}
+       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()
        {
-               char dummy = '*';
-               send(send_fd, &dummy, 1, 0);
+               static const char dummy = '*';
+               write(send_fd, &dummy, 1);
        }
 
-       virtual bool OnDataReady()
+       void OnEventHandlerRead() CXX11_OVERRIDE
        {
-               char data;
-               if (ServerInstance->SE->Recv(this, &data, 1, 0) <= 0)
-                       return false;
+               char dummy[128];
+               read(fd, dummy, 128);
                parent->OnNotify();
-               return true;
+       }
+
+       void OnEventHandlerWrite() CXX11_OVERRIDE
+       {
+               ServerInstance->GlobalCulls.AddItem(this);
+       }
+
+       void OnEventHandlerError(int errcode) CXX11_OVERRIDE
+       {
+               ThreadSignalSocket::OnEventHandlerWrite();
        }
 };
 
-SocketThread::SocketThread(InspIRCd* SI)
+SocketThread::SocketThread()
 {
+       signal.sock = NULL;
        int fds[2];
        if (pipe(fds))
-               throw new CoreException("Could not create pipe " + std::string(strerror(errno)));
-       signal.sock = new ThreadSignalSocket(this, SI, fds[0], fds[1]);
+               throw CoreException("Could not create pipe " + std::string(strerror(errno)));
+       signal.sock = new ThreadSignalSocket(this, fds[0], fds[1]);
 }
 #endif
 
@@ -144,5 +162,9 @@ void SocketThread::NotifyParent()
 
 SocketThread::~SocketThread()
 {
-       delete signal.sock;
+       if (signal.sock)
+       {
+               signal.sock->cull();
+               delete signal.sock;
+       }
 }