T. R. Bernstein
442053eae2
`InotifyEventMask` took its bits from the C header, so nothing that imported it could build outside Linux. The new `InotifyMask` product spells out the kernel constants instead; a Linux test compares each of them with the header. `Inotify` re-exports the module, so existing code is unaffected.
52 lines
2.2 KiB
Swift
52 lines
2.2 KiB
Swift
/// The events and flags of an inotify watch or event, as bits.
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///
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/// The values are the constants of the Linux `<sys/inotify.h>` header,
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/// which are part of the kernel's stable interface. Spelling them out here
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/// keeps this module free of the C header, so it builds on every platform
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/// and lets code that only stores or compares masks be tested off Linux.
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public struct InotifyEventMask: OptionSet, Sendable, Hashable {
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public let rawValue: UInt32
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public init(rawValue: UInt32) {
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self.rawValue = rawValue
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}
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// MARK: - Watchable Events
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public static let access = InotifyEventMask(rawValue: 0x0000_0001)
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public static let modify = InotifyEventMask(rawValue: 0x0000_0002)
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public static let attrib = InotifyEventMask(rawValue: 0x0000_0004)
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public static let closeWrite = InotifyEventMask(rawValue: 0x0000_0008)
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public static let closeNoWrite = InotifyEventMask(rawValue: 0x0000_0010)
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public static let open = InotifyEventMask(rawValue: 0x0000_0020)
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public static let movedFrom = InotifyEventMask(rawValue: 0x0000_0040)
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public static let movedTo = InotifyEventMask(rawValue: 0x0000_0080)
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public static let create = InotifyEventMask(rawValue: 0x0000_0100)
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public static let delete = InotifyEventMask(rawValue: 0x0000_0200)
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public static let deleteSelf = InotifyEventMask(rawValue: 0x0000_0400)
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public static let moveSelf = InotifyEventMask(rawValue: 0x0000_0800)
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// MARK: - Combinations
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public static let move: InotifyEventMask = [.movedFrom, .movedTo]
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public static let close: InotifyEventMask = [.closeWrite, .closeNoWrite]
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public static let allEvents: InotifyEventMask = [
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.access, .attrib, .closeWrite, .closeNoWrite,
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.create, .delete, .deleteSelf, .modify,
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.moveSelf, .movedFrom, .movedTo, .open,
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]
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// MARK: - Watch Flags
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public static let onlyDir = InotifyEventMask(rawValue: 0x0100_0000)
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public static let dontFollow = InotifyEventMask(rawValue: 0x0200_0000)
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public static let oneShot = InotifyEventMask(rawValue: 0x8000_0000)
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// MARK: - Kernel-Only Flags
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public static let unmount = InotifyEventMask(rawValue: 0x0000_2000)
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public static let queueOverflow = InotifyEventMask(rawValue: 0x0000_4000)
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public static let ignored = InotifyEventMask(rawValue: 0x0000_8000)
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public static let isDir = InotifyEventMask(rawValue: 0x4000_0000)
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}
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