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LibCore: Implement FileWatcher for Linux

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This implements FileWatcher using inotify filesystem events. Serenity's
InodeWatcher is remarkably similar to inotify, so this is almost an
identical implementation.

The existing TestLibCoreFileWatcher test is added to Lagom (currently
just for Linux).

This does not implement BlockingFileWatcher as that is currently not
used anywhere but on Serenity.
This commit is contained in:
Timothy Flynn 2023-01-17 14:43:36 -05:00 • committed by Tim Flynn
parent 91cbdc67de
commit 8ca528217c
4 changed files with 184 additions and 3 deletions
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4
Tests/LibCore/TestLibCoreFileWatcher.cpp
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@ -28,10 +28,10 @@ TEST_CASE(file_watcher_child_events)
file_watcher->on_change = [&](Core::FileWatcherEvent const& event) {
if (event_count == 0) {
EXPECT_EQ(event.event_path, "/tmp/testfile");
EXPECT_EQ(event.type, Core::FileWatcherEvent::Type::ChildCreated);
EXPECT(has_flag(event.type, Core::FileWatcherEvent::Type::ChildCreated));
} else if (event_count == 1) {
EXPECT_EQ(event.event_path, "/tmp/testfile");
EXPECT_EQ(event.type, Core::FileWatcherEvent::Type::ChildDeleted);
EXPECT(has_flag(event.type, Core::FileWatcherEvent::Type::ChildDeleted));
event_loop.quit(0);
}