add copyright on all files

Summary: as title

Differential Revision: D86800665

Author: tushar00jain

src/net.rs

@@ -1,3 +1,9 @@
+// Copyright (c) Meta Platforms, Inc. and affiliates.
+// All rights reserved.
+//
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree.
+
 use std::time::Duration;
 
 use anyhow::Result;

src/retry.rs

@@ -1,3 +1,9 @@
+// Copyright (c) Meta Platforms, Inc. and affiliates.
+// All rights reserved.
+//
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree.
+
 use std::future::Future;
 use std::pin::Pin;
 use std::time::Duration;

src/timeout.rs

@@ -1,3 +1,9 @@
+// Copyright (c) Meta Platforms, Inc. and affiliates.
+// All rights reserved.
+//
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree.
+
 use std::time::Duration;
 
 use anyhow::Result;

tools/linter/adapters/pyre_linter.py

@@ -1,3 +1,9 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
 import argparse
 import concurrent.futures
 import json

tools/linter/adapters/rust_linter.py

@@ -1,3 +1,9 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
 from __future__ import annotations
 
 import argparse

torchft/_test/diloco_trainer.py

@@ -1,3 +1,9 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
 import copy
 import logging
 import os

torchft/_torchft.pyi

@@ -1,3 +1,9 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
 from dataclasses import dataclass
 from datetime import timedelta
 from typing import Hashable, List, Optional

torchft/checkpointing/_rwlock.py

@@ -1,4 +1,9 @@
-# -*- coding: utf-8 -*-
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
 """rwlock.py
 
 Adapted from: https://github.com/tylerneylon/rwlock/blob/main/rwlock.py

torchft/checkpointing/_serialization.py

@@ -1,3 +1,9 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
 import io
 import warnings
 from typing import IO

torchft/checkpointing/http_transport_bench.py

@@ -1,3 +1,9 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
 import logging
 import sys
 from datetime import timedelta