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Kernel: Implement multi-watch InodeWatcher :^)
This patch modifies InodeWatcher to switch to a one watcher, multiple watches architecture. The following changes have been made: - The watch_file syscall is removed, and in its place the create_iwatcher, iwatcher_add_watch and iwatcher_remove_watch calls have been added. - InodeWatcher now holds multiple WatchDescriptions for each file that is being watched. - The InodeWatcher file descriptor can be read from to receive events on all watched files. Co-authored-by: Gunnar Beutner <gunnar@beutner.name>
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16 changed files with 521 additions and 262 deletions
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, sin-ack <sin-ack@protonmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -111,8 +112,10 @@ protected:
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void set_metadata_dirty(bool);
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KResult prepare_to_write_data();
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void did_add_child(const InodeIdentifier&);
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void did_remove_child(const InodeIdentifier&);
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void did_add_child(InodeIdentifier const& child_id, String const& name);
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void did_remove_child(InodeIdentifier const& child_id, String const& name);
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void did_modify_contents();
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void did_delete_self();
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mutable Lock m_lock { "Inode" };
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