+
+#ifdef HAS_EVENTFD
+#include <sys/eventfd.h>
+
+class ThreadSignalSocket : public BufferedSocket
+{
+ SocketThread* parent;
+ public:
+ ThreadSignalSocket(SocketThread* p, int newfd) : BufferedSocket(newfd), parent(p) {}
+
+ ~ThreadSignalSocket()
+ {
+ }
+
+ void Notify()
+ {
+ eventfd_write(fd, 1);
+ }
+
+ void OnDataReady()
+ {
+ recvq.clear();
+ parent->OnNotify();
+ }
+
+ void OnError(BufferedSocketError)
+ {
+ }
+};
+
+SocketThread::SocketThread()
+{
+ int fd = eventfd(0, O_NONBLOCK);
+ if (fd < 0)
+ throw new CoreException("Could not create pipe " + std::string(strerror(errno)));
+ signal.sock = new ThreadSignalSocket(this, fd);
+}
+#else
+
+class ThreadSignalSocket : public BufferedSocket
+{
+ SocketThread* parent;
+ int send_fd;
+ public:
+ ThreadSignalSocket(SocketThread* p, int recvfd, int sendfd) :
+ BufferedSocket(recvfd), parent(p), send_fd(sendfd) {}
+
+ ~ThreadSignalSocket()
+ {
+ close(send_fd);
+ }
+
+ void Notify()
+ {
+ char dummy = '*';
+ write(send_fd, &dummy, 1);
+ }
+
+ void OnDataReady()
+ {
+ recvq.clear();
+ parent->OnNotify();
+ }
+
+ void OnError(BufferedSocketError)
+ {
+ }
+};
+
+SocketThread::SocketThread()
+{
+ int fds[2];
+ if (pipe(fds))
+ throw new CoreException("Could not create pipe " + std::string(strerror(errno)));
+ signal.sock = new ThreadSignalSocket(this, fds[0], fds[1]);
+}
+#endif
+
+void SocketThread::NotifyParent()
+{
+ signal.sock->Notify();
+}
+
+SocketThread::~SocketThread()
+{
+}