mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
2530957bc6
This ensures that blocks that come from `DispatchWorkItem`s will function correctly. The only exception is __dispatch_barrier_sync() as the block passed to that call is not `@convention(block)` so it doesn't matter. Fixes SR-2246.
367 lines
14 KiB
Swift
367 lines
14 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// import Foundation
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import SwiftShims
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public extension DispatchSourceProtocol {
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typealias DispatchSourceHandler = @convention(block) () -> Void
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public func setEventHandler(qos: DispatchQoS = .unspecified, flags: DispatchWorkItemFlags = [], handler: DispatchSourceHandler?) {
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if #available(OSX 10.10, iOS 8.0, *),
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let h = handler,
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qos != .unspecified || !flags.isEmpty {
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let item = DispatchWorkItem(qos: qos, flags: flags, block: h)
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_swift_dispatch_source_set_event_handler(self as! DispatchSource, item._block)
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} else {
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_swift_dispatch_source_set_event_handler(self as! DispatchSource, handler)
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}
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}
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@available(OSX 10.10, iOS 8.0, *)
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public func setEventHandler(handler: DispatchWorkItem) {
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_swift_dispatch_source_set_event_handler(self as! DispatchSource, handler._block)
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}
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public func setCancelHandler(qos: DispatchQoS = .unspecified, flags: DispatchWorkItemFlags = [], handler: DispatchSourceHandler?) {
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if #available(OSX 10.10, iOS 8.0, *),
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let h = handler,
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qos != .unspecified || !flags.isEmpty {
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let item = DispatchWorkItem(qos: qos, flags: flags, block: h)
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_swift_dispatch_source_set_cancel_handler(self as! DispatchSource, item._block)
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} else {
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_swift_dispatch_source_set_cancel_handler(self as! DispatchSource, handler)
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}
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}
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@available(OSX 10.10, iOS 8.0, *)
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public func setCancelHandler(handler: DispatchWorkItem) {
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_swift_dispatch_source_set_cancel_handler(self as! DispatchSource, handler._block)
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}
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public func setRegistrationHandler(qos: DispatchQoS = .unspecified, flags: DispatchWorkItemFlags = [], handler: DispatchSourceHandler?) {
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if #available(OSX 10.10, iOS 8.0, *),
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let h = handler,
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qos != .unspecified || !flags.isEmpty {
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let item = DispatchWorkItem(qos: qos, flags: flags, block: h)
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_swift_dispatch_source_set_registration_handler(self as! DispatchSource, item._block)
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} else {
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_swift_dispatch_source_set_registration_handler(self as! DispatchSource, handler)
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}
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}
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@available(OSX 10.10, iOS 8.0, *)
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public func setRegistrationHandler(handler: DispatchWorkItem) {
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_swift_dispatch_source_set_registration_handler(self as! DispatchSource, handler._block)
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}
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@available(OSX 10.12, iOS 10.0, tvOS 10.0, watchOS 3.0, *)
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public func activate() {
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(self as! DispatchSource).activate()
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}
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public func cancel() {
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__dispatch_source_cancel(self as! DispatchSource)
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}
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public func resume() {
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(self as! DispatchSource).resume()
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}
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public func suspend() {
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(self as! DispatchSource).suspend()
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}
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public var handle: UInt {
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return __dispatch_source_get_handle(self as! DispatchSource)
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}
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public var mask: UInt {
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return __dispatch_source_get_mask(self as! DispatchSource)
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}
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public var data: UInt {
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return __dispatch_source_get_data(self as! DispatchSource)
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}
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public var isCancelled: Bool {
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return __dispatch_source_testcancel(self as! DispatchSource) != 0
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}
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}
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public extension DispatchSource {
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public struct MachSendEvent : OptionSet, RawRepresentable {
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public let rawValue: UInt
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public init(rawValue: UInt) { self.rawValue = rawValue }
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public static let dead = MachSendEvent(rawValue: 0x1)
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}
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public struct MemoryPressureEvent : OptionSet, RawRepresentable {
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public let rawValue: UInt
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public init(rawValue: UInt) { self.rawValue = rawValue }
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public static let normal = MemoryPressureEvent(rawValue: 0x1)
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public static let warning = MemoryPressureEvent(rawValue: 0x2)
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public static let critical = MemoryPressureEvent(rawValue: 0x4)
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public static let all: MemoryPressureEvent = [.normal, .warning, .critical]
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}
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public struct ProcessEvent : OptionSet, RawRepresentable {
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public let rawValue: UInt
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public init(rawValue: UInt) { self.rawValue = rawValue }
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public static let exit = ProcessEvent(rawValue: 0x80000000)
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public static let fork = ProcessEvent(rawValue: 0x40000000)
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public static let exec = ProcessEvent(rawValue: 0x20000000)
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public static let signal = ProcessEvent(rawValue: 0x08000000)
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public static let all: ProcessEvent = [.exit, .fork, .exec, .signal]
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}
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public struct TimerFlags : OptionSet, RawRepresentable {
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public let rawValue: UInt
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public init(rawValue: UInt) { self.rawValue = rawValue }
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public static let strict = TimerFlags(rawValue: 1)
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}
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public struct FileSystemEvent : OptionSet, RawRepresentable {
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public let rawValue: UInt
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public init(rawValue: UInt) { self.rawValue = rawValue }
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public static let delete = FileSystemEvent(rawValue: 0x1)
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public static let write = FileSystemEvent(rawValue: 0x2)
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public static let extend = FileSystemEvent(rawValue: 0x4)
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public static let attrib = FileSystemEvent(rawValue: 0x8)
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public static let link = FileSystemEvent(rawValue: 0x10)
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public static let rename = FileSystemEvent(rawValue: 0x20)
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public static let revoke = FileSystemEvent(rawValue: 0x40)
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public static let funlock = FileSystemEvent(rawValue: 0x100)
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public static let all: FileSystemEvent = [
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.delete, .write, .extend, .attrib, .link, .rename, .revoke]
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}
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public class func makeMachSendSource(port: mach_port_t, eventMask: MachSendEvent, queue: DispatchQueue? = nil) -> DispatchSourceMachSend {
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return __dispatch_source_create(
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_swift_dispatch_source_type_mach_send(), UInt(port), eventMask.rawValue, queue) as DispatchSourceMachSend
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}
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public class func makeMachReceiveSource(port: mach_port_t, queue: DispatchQueue? = nil) -> DispatchSourceMachReceive {
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return __dispatch_source_create(
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_swift_dispatch_source_type_mach_recv(), UInt(port), 0, queue) as DispatchSourceMachReceive
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}
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public class func makeMemoryPressureSource(eventMask: MemoryPressureEvent, queue: DispatchQueue? = nil) -> DispatchSourceMemoryPressure {
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return __dispatch_source_create(
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_swift_dispatch_source_type_memorypressure(), 0, eventMask.rawValue, queue) as DispatchSourceMemoryPressure
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}
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public class func makeProcessSource(identifier: pid_t, eventMask: ProcessEvent, queue: DispatchQueue? = nil) -> DispatchSourceProcess {
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return __dispatch_source_create(
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_swift_dispatch_source_type_proc(), UInt(identifier), eventMask.rawValue, queue) as DispatchSourceProcess
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}
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public class func makeReadSource(fileDescriptor: Int32, queue: DispatchQueue? = nil) -> DispatchSourceRead {
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return __dispatch_source_create(
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_swift_dispatch_source_type_read(), UInt(fileDescriptor), 0, queue) as DispatchSourceRead
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}
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public class func makeSignalSource(signal: Int32, queue: DispatchQueue? = nil) -> DispatchSourceSignal {
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return __dispatch_source_create(
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_swift_dispatch_source_type_signal(), UInt(signal), 0, queue) as DispatchSourceSignal
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}
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public class func makeTimerSource(flags: TimerFlags = [], queue: DispatchQueue? = nil) -> DispatchSourceTimer {
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return __dispatch_source_create(_swift_dispatch_source_type_timer(), 0, flags.rawValue, queue) as DispatchSourceTimer
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}
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public class func makeUserDataAddSource(queue: DispatchQueue? = nil) -> DispatchSourceUserDataAdd {
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return __dispatch_source_create(_swift_dispatch_source_type_data_add(), 0, 0, queue) as DispatchSourceUserDataAdd
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}
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public class func makeUserDataOrSource(queue: DispatchQueue? = nil) -> DispatchSourceUserDataOr {
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return __dispatch_source_create(_swift_dispatch_source_type_data_or(), 0, 0, queue) as DispatchSourceUserDataOr
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}
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public class func makeFileSystemObjectSource(
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fileDescriptor: Int32, eventMask: FileSystemEvent, queue: DispatchQueue? = nil) -> DispatchSourceFileSystemObject
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{
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return __dispatch_source_create(
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_swift_dispatch_source_type_vnode(), UInt(fileDescriptor), eventMask.rawValue, queue) as DispatchSourceFileSystemObject
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}
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public class func makeWriteSource(fileDescriptor: Int32, queue: DispatchQueue? = nil) -> DispatchSourceWrite {
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return __dispatch_source_create(
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_swift_dispatch_source_type_write(), UInt(fileDescriptor), 0, queue) as DispatchSourceWrite
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}
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}
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public extension DispatchSourceMachSend {
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public var handle: mach_port_t {
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return mach_port_t(__dispatch_source_get_handle(self as! DispatchSource))
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}
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public var data: DispatchSource.MachSendEvent {
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let data = __dispatch_source_get_data(self as! DispatchSource)
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return DispatchSource.MachSendEvent(rawValue: data)
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}
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public var mask: DispatchSource.MachSendEvent {
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let mask = __dispatch_source_get_mask(self as! DispatchSource)
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return DispatchSource.MachSendEvent(rawValue: mask)
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}
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}
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public extension DispatchSourceMachReceive {
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public var handle: mach_port_t {
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return mach_port_t(__dispatch_source_get_handle(self as! DispatchSource))
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}
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}
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public extension DispatchSourceMemoryPressure {
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public var data: DispatchSource.MemoryPressureEvent {
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let data = __dispatch_source_get_data(self as! DispatchSource)
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return DispatchSource.MemoryPressureEvent(rawValue: data)
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}
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public var mask: DispatchSource.MemoryPressureEvent {
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let mask = __dispatch_source_get_mask(self as! DispatchSource)
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return DispatchSource.MemoryPressureEvent(rawValue: mask)
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}
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}
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public extension DispatchSourceProcess {
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public var handle: pid_t {
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return pid_t(__dispatch_source_get_handle(self as! DispatchSource))
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}
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public var data: DispatchSource.ProcessEvent {
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let data = __dispatch_source_get_data(self as! DispatchSource)
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return DispatchSource.ProcessEvent(rawValue: data)
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}
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public var mask: DispatchSource.ProcessEvent {
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let mask = __dispatch_source_get_mask(self as! DispatchSource)
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return DispatchSource.ProcessEvent(rawValue: mask)
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}
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}
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public extension DispatchSourceTimer {
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public func scheduleOneshot(deadline: DispatchTime, leeway: DispatchTimeInterval = .nanoseconds(0)) {
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__dispatch_source_set_timer(self as! DispatchSource, UInt64(deadline.rawValue), ~0, UInt64(leeway.rawValue))
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}
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public func scheduleOneshot(wallDeadline: DispatchWallTime, leeway: DispatchTimeInterval = .nanoseconds(0)) {
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__dispatch_source_set_timer(self as! DispatchSource, UInt64(wallDeadline.rawValue), ~0, UInt64(leeway.rawValue))
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}
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public func scheduleRepeating(deadline: DispatchTime, interval: DispatchTimeInterval, leeway: DispatchTimeInterval = .nanoseconds(0)) {
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__dispatch_source_set_timer(self as! DispatchSource, deadline.rawValue, UInt64(interval.rawValue), UInt64(leeway.rawValue))
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}
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public func scheduleRepeating(deadline: DispatchTime, interval: Double, leeway: DispatchTimeInterval = .nanoseconds(0)) {
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__dispatch_source_set_timer(self as! DispatchSource, deadline.rawValue, UInt64(interval * Double(NSEC_PER_SEC)), UInt64(leeway.rawValue))
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}
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public func scheduleRepeating(wallDeadline: DispatchWallTime, interval: DispatchTimeInterval, leeway: DispatchTimeInterval = .nanoseconds(0)) {
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__dispatch_source_set_timer(self as! DispatchSource, wallDeadline.rawValue, UInt64(interval.rawValue), UInt64(leeway.rawValue))
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}
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public func scheduleRepeating(wallDeadline: DispatchWallTime, interval: Double, leeway: DispatchTimeInterval = .nanoseconds(0)) {
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__dispatch_source_set_timer(self as! DispatchSource, wallDeadline.rawValue, UInt64(interval * Double(NSEC_PER_SEC)), UInt64(leeway.rawValue))
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}
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}
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public extension DispatchSourceFileSystemObject {
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public var handle: Int32 {
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return Int32(__dispatch_source_get_handle(self as! DispatchSource))
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}
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public var data: DispatchSource.FileSystemEvent {
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let data = __dispatch_source_get_data(self as! DispatchSource)
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return DispatchSource.FileSystemEvent(rawValue: data)
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}
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public var mask: DispatchSource.FileSystemEvent {
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let data = __dispatch_source_get_mask(self as! DispatchSource)
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return DispatchSource.FileSystemEvent(rawValue: data)
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}
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}
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public extension DispatchSourceUserDataAdd {
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/// @function mergeData
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///
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/// @abstract
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/// Merges data into a dispatch source of type DISPATCH_SOURCE_TYPE_DATA_ADD or
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/// DISPATCH_SOURCE_TYPE_DATA_OR and submits its event handler block to its
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/// target queue.
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///
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/// @param value
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/// The value to coalesce with the pending data using a logical OR or an ADD
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/// as specified by the dispatch source type. A value of zero has no effect
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/// and will not result in the submission of the event handler block.
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public func add(data: UInt) {
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__dispatch_source_merge_data(self as! DispatchSource, data)
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}
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}
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public extension DispatchSourceUserDataOr {
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/// @function mergeData
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///
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/// @abstract
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/// Merges data into a dispatch source of type DISPATCH_SOURCE_TYPE_DATA_ADD or
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/// DISPATCH_SOURCE_TYPE_DATA_OR and submits its event handler block to its
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/// target queue.
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///
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/// @param value
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/// The value to coalesce with the pending data using a logical OR or an ADD
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/// as specified by the dispatch source type. A value of zero has no effect
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/// and will not result in the submission of the event handler block.
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public func or(data: UInt) {
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__dispatch_source_merge_data(self as! DispatchSource, data)
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}
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}
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@_silgen_name("_swift_dispatch_source_type_DATA_ADD")
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internal func _swift_dispatch_source_type_data_add() -> __dispatch_source_type_t
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@_silgen_name("_swift_dispatch_source_type_DATA_OR")
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internal func _swift_dispatch_source_type_data_or() -> __dispatch_source_type_t
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@_silgen_name("_swift_dispatch_source_type_MACH_SEND")
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internal func _swift_dispatch_source_type_mach_send() -> __dispatch_source_type_t
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@_silgen_name("_swift_dispatch_source_type_MACH_RECV")
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internal func _swift_dispatch_source_type_mach_recv() -> __dispatch_source_type_t
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@_silgen_name("_swift_dispatch_source_type_MEMORYPRESSURE")
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internal func _swift_dispatch_source_type_memorypressure() -> __dispatch_source_type_t
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@_silgen_name("_swift_dispatch_source_type_PROC")
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internal func _swift_dispatch_source_type_proc() -> __dispatch_source_type_t
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@_silgen_name("_swift_dispatch_source_type_READ")
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internal func _swift_dispatch_source_type_read() -> __dispatch_source_type_t
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@_silgen_name("_swift_dispatch_source_type_SIGNAL")
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internal func _swift_dispatch_source_type_signal() -> __dispatch_source_type_t
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@_silgen_name("_swift_dispatch_source_type_TIMER")
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internal func _swift_dispatch_source_type_timer() -> __dispatch_source_type_t
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@_silgen_name("_swift_dispatch_source_type_VNODE")
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internal func _swift_dispatch_source_type_vnode() -> __dispatch_source_type_t
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@_silgen_name("_swift_dispatch_source_type_WRITE")
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internal func _swift_dispatch_source_type_write() -> __dispatch_source_type_t
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