Apply the changes from: PS-5501 : Re-license PerconaFT 'locktree' to Apache V2 (#7801)

Summary:
commit d5178f513c0b4144a5ac9358ec0f6a3b54a28e76
Author: George O. Lorch III <george.lorch@percona.com>
Date:   Tue Mar 19 12:18:40 2019 -0700

    PS-5501 : Re-license PerconaFT 'locktree' to Apache V2

    - Fixed some incomplete relicensed files from previous round.

    - Added missing license text to some.

    - Relicensed more files to Apache V2 that locktree depends on.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7801

Reviewed By: jay-zhuang

Differential Revision: D25682430

Pulled By: cheng-chang

fbshipit-source-id: deb8a0de3e76f3638672997bfbd300e2fffbe5f5

utilities/transactions/lock/range/range_tree/lib/ft/comparator.h

@@ -31,6 +31,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/ft/ft-status.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/keyrange.cc

@@ -47,6 +47,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/keyrange.h

@@ -45,6 +45,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/lock_request.cc

@@ -47,6 +47,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/lock_request.h

@@ -45,6 +45,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/locktree.cc

@@ -47,6 +47,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/locktree.h

@@ -45,6 +45,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/manager.cc

@@ -47,6 +47,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/range_buffer.cc

@@ -47,6 +47,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/range_buffer.h

@@ -45,6 +45,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/treenode.cc

@@ -47,6 +47,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/treenode.h

@@ -45,6 +45,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/txnid_set.cc

@@ -47,6 +47,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/txnid_set.h

@@ -45,6 +45,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/wfg.cc

@@ -47,6 +47,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/locktree/wfg.h

@@ -45,6 +45,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/portability/memory.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/portability/toku_atomic.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/portability/toku_instrumentation.h

@@ -1,3 +1,49 @@
+/*======
+This file is part of PerconaFT.
+
+Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
+
+    PerconaFT is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License, version 2,
+    as published by the Free Software Foundation.
+
+    PerconaFT 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 PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+    PerconaFT is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License, version 3,
+    as published by the Free Software Foundation.
+
+    PerconaFT 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 Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+======= */
+
 #pragma once
 
 #include <stdio.h>  // FILE

utilities/transactions/lock/range/range_tree/lib/portability/toku_portability.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/portability/toku_pthread.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/portability/toku_race_tools.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/portability/toku_time.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/util/dbt.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/util/growable_array.h

@@ -45,6 +45,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/util/memarena.cc

@@ -34,6 +34,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/util/memarena.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/util/omt.h

@@ -45,6 +45,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/util/omt_impl.h

@@ -45,6 +45,7 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/util/partitioned_counter.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \

utilities/transactions/lock/range/range_tree/lib/util/status.h

@@ -32,6 +32,20 @@ Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
 
     You should have received a copy of the GNU Affero General Public License
     along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
 ======= */
 
 #ident \