Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/msg/async/EventSelect.h b/src/msg/async/EventSelect.h
new file mode 100644
index 00000000..1b75da0b
--- /dev/null
+++ b/src/msg/async/EventSelect.h
@@ -0,0 +1,42 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2014 UnitedStack <haomai@unitedstack.com>
+ *
+ * Author: Haomai Wang <haomaiwang@gmail.com>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef CEPH_MSG_EVENTSELECT_H
+#define CEPH_MSG_EVENTSELECT_H
+
+#include "Event.h"
+
+class SelectDriver : public EventDriver {
+  fd_set rfds, wfds;
+  /* We need to have a copy of the fd sets as it's not safe to reuse
+   * FD sets after select(). */
+  fd_set _rfds, _wfds;
+  int max_fd;
+  CephContext *cct;
+
+ public:
+  explicit SelectDriver(CephContext *c): max_fd(0), cct(c) {}
+  ~SelectDriver() override {}
+
+  int init(EventCenter *c, int nevent) override;
+  int add_event(int fd, int cur_mask, int add_mask) override;
+  int del_event(int fd, int cur_mask, int del_mask) override;
+  int resize_events(int newsize) override;
+  int event_wait(vector<FiredFileEvent> &fired_events,
+		 struct timeval *tp) override;
+};
+
+#endif