add SPDX-License-Identifier for all source

Add SPDX-License-Identifier for all existing codes.

Fixes: #2

Signed-off-by: bin liu <bin@hyper.sh>

src/blkio.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `blkio` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/cgroup.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module handles cgroup operations. Start here!
 
 use crate::error::*;

src/cgroup_builder.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module allows the user to create a control group using the Builder pattern.
 //! # Example
 //!

src/cpu.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `cpu` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/cpuacct.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `cpuacct` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/cpuset.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `cpuset` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/devices.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `devices` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/error.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 use std::error::Error as StdError;
 use std::fmt;
 

src/freezer.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `freezer` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/hierarchies.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module represents the various control group hierarchies the Linux kernel supports.
 //!
 //! Currently, we only support the cgroupv1 hierarchy, but in the future we will add support for

src/hugetlb.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `hugetlb` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/lib.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 use log::*;
 
 use std::fs::File;

src/memory.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `memory` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/net_cls.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `net_cls` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/net_prio.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `net_prio` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/perf_event.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `perf_event` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/pid.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `pids` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at:

src/rdma.rs

@@ -1,3 +1,8 @@
+// Copyright (c) 2018 Levente Kurusa
+//
+// SPDX-License-Identifier: Apache-2.0 or MIT
+//
+
 //! This module contains the implementation of the `rdma` cgroup subsystem.
 //!
 //! See the Kernel's documentation for more information about this subsystem, found at: