event/Chrono, ...: relicense to BSD-2

src/event/Call.cxx

@@ -1,5 +1,5 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
+// SPDX-License-Identifier: BSD-2-Clause
+// author: Max Kellermann <max.kellermann@gmail.com>
 
 #include "Call.hxx"
 #include "Loop.hxx"

src/event/Call.hxx

@@ -1,8 +1,7 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
+// SPDX-License-Identifier: BSD-2-Clause
+// author: Max Kellermann <max.kellermann@gmail.com>
 
-#ifndef MPD_EVENT_CALL_HXX
-#define MPD_EVENT_CALL_HXX
+#pragma once
 
 #include <functional>
 
@@ -16,5 +15,3 @@ class EventLoop;
  */
 void
 BlockingCall(EventLoop &loop, std::function<void()> &&f);
-
-#endif /* MAIN_NOTIFY_H */

src/event/Chrono.hxx

@@ -1,8 +1,7 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
+// SPDX-License-Identifier: BSD-2-Clause
+// author: Max Kellermann <max.kellermann@gmail.com>
 
-#ifndef MPD_EVENT_CHRONO_HXX
-#define MPD_EVENT_CHRONO_HXX
+#pragma once
 
 #include <chrono>
 
@@ -17,5 +16,3 @@ using Duration = Clock::duration;
 using TimePoint = Clock::time_point;
 
 } // namespace Event
-
-#endif /* MAIN_NOTIFY_H */

src/event/DeferEvent.cxx

@@ -1,5 +1,5 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
+// SPDX-License-Identifier: BSD-2-Clause
+// author: Max Kellermann <max.kellermann@gmail.com>
 
 #include "DeferEvent.hxx"
 #include "Loop.hxx"

src/event/DeferEvent.hxx

@@ -1,8 +1,7 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
+// SPDX-License-Identifier: BSD-2-Clause
+// author: Max Kellermann <max.kellermann@gmail.com>
 
-#ifndef MPD_DEFER_EVENT_HXX
-#define MPD_DEFER_EVENT_HXX
+#pragma once
 
 #include "util/BindMethod.hxx"
 #include "util/IntrusiveList.hxx"
@@ -60,5 +59,3 @@ private:
 		callback();
 	}
 };
-
-#endif

src/event/EpollBackend.hxx

@@ -1,8 +1,5 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
-
-#ifndef EVENT_EPOLL_BACKEND_HXX
-#define EVENT_EPOLL_BACKEND_HXX
+// SPDX-License-Identifier: BSD-2-Clause
+// author: Max Kellermann <max.kellermann@gmail.com>
 
 #include "system/EpollFD.hxx"
 
@@ -65,5 +62,3 @@ public:
 		return true;
 	}
 };
-
-#endif

src/event/IdleEvent.cxx

@@ -1,4 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
-
-#include "IdleEvent.hxx"

src/event/IdleEvent.hxx

@@ -1,8 +1,7 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
+// SPDX-License-Identifier: BSD-2-Clause
+// author: Max Kellermann <max.kellermann@gmail.com>
 
-#ifndef MPD_SOCKET_IDLE_EVENT_HXX
-#define MPD_SOCKET_IDLE_EVENT_HXX
+#pragma once
 
 #include "DeferEvent.hxx"
 
@@ -41,5 +40,3 @@ public:
 		event.Cancel();
 	}
 };
-
-#endif

src/event/InjectEvent.hxx

@@ -1,8 +1,7 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
+// SPDX-License-Identifier: BSD-2-Clause
+// author: Max Kellermann <max.kellermann@gmail.com>
 
-#ifndef MPD_INJECT_EVENT_HXX
-#define MPD_INJECT_EVENT_HXX
+#pragma once
 
 #include "util/BindMethod.hxx"
 #include "util/IntrusiveList.hxx"
@@ -47,5 +46,3 @@ private:
 		callback();
 	}
 };
-
-#endif

src/event/SocketEvent.cxx

@@ -1,5 +1,5 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
+// SPDX-License-Identifier: BSD-2-Clause
+// author: Max Kellermann <max.kellermann@gmail.com>
 
 #include "SocketEvent.hxx"
 #include "Loop.hxx"

src/event/SocketEvent.hxx

@@ -1,8 +1,7 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// Copyright The Music Player Daemon Project
+// SPDX-License-Identifier: BSD-2-Clause
+// author: Max Kellermann <max.kellermann@gmail.com>
 
-#ifndef MPD_SOCKET_EVENT_HXX
-#define MPD_SOCKET_EVENT_HXX
+#pragma once
 
 #include "BackendEvents.hxx"
 #include "net/SocketDescriptor.hxx"
@@ -162,5 +161,3 @@ private:
 	 */
 	void Dispatch() noexcept;
 };
-
-#endif

src/event/meson.build

@@ -31,7 +31,6 @@ event = static_library(
   'TimerList.cxx',
   'CoarseTimerEvent.cxx',
   'FineTimerEvent.cxx',
-  'IdleEvent.cxx',
   'InjectEvent.cxx',
   'DeferEvent.cxx',
   'MaskMonitor.cxx',