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Description:
Defines a file descriptor set.
Summary
Details
fds_bits
Description:
Whether the descriptor exists is indicated by each bit.
fd_set
- 联接类模组API
- IOT平台
- OpenHarmony内核
- 公共基础库
- 基础软件服务子系统集及硬件服务子系统集
- 头文件和结构体
- 头文件
- common.h
- discovery_service.h
- feature.h
- iunknown.h
- kal.h
- kv_store.h
- lowpower.h
- message.h
- ohos_init.h
- parameter.h
- reset.h
- samgr_lite.h
- service.h
- session.h
- station_info.h
- utils_config.h
- utils_file.h
- wifiiot_adc.h
- wifiiot_at.h
- wifiiot_errno.h
- wifiiot_flash.h
- wifiiot_flash_ex.h
- wifiiot_gpio.h
- wifiiot_gpio_ex.h
- wifiiot_i2c.h
- wifiiot_i2c_ex.h
- wifiiot_i2s.h
- wifiiot_kal.h
- wifiiot_partition.h
- wifiiot_pwm.h
- wifiiot_sdio.h
- wifiiot_spi.h
- wifiiot_uart.h
- wifiiot_uart_ex.h
- wifiiot_watchdog.h
- wifi_device.h
- wifi_device_config.h
- wifi_error_code.h
- wifi_event.h
- wifi_hotspot.h
- wifi_hotspot_config.h
- wifi_linked_info.h
- wifi_scan_info.h
- 结构体
- AtCmdTbl
- CapabilityMap
- CommonDeviceInfo
- Consumer
- DeviceMap
- Feature
- HotspotConfig
- Identity
- IPublishCallback
- ISessionListener
- IUnknown
- IUnknownEntry
- MemInfo
- osEventFlagsAttr_t
- osMessageQueueAttr_t
- osMutexAttr_t
- osSemaphoreAttr_t
- osThreadAttr_t
- osTimerAttr_t
- osVersion_t
- Provider
- PublishInfo
- Request
- Response
- SamgrLite
- Service
- SimpleVector
- StationInfo
- Subscriber
- TaskConfig
- ThreadInfo
- WifiDeviceConfig
- WifiEvent
- WifiIotFlashPartitionInfo
- WifiIotFlashPartitionTable
- WifiIotI2cData
- WifiIotI2cFunc
- WifiIotI2sAttribute
- WifiIotSdioAdmatable
- WifiIotSdioExtendFunc
- WifiIotSdioIntcallback
- WifiIotSpiCfgBasicInfo
- WifiIotSpiCfgInitParam
- WifiIotUartAttribute
- WifiIotUartExtraAttr
- WifiLinkedInfo
- WifiScanInfo
- WifiScanParams
- 头文件
- 系统基础能力子系统集
- 智慧视觉设备API
- 公共基础库
- 基础软件服务子系统集及硬件服务子系统集
- 头文件和结构体
- 头文件
- ability.h
- ability_connection.h
- ability_context.h
- ability_env.h
- ability_errors.h
- ability_event_handler.h
- ability_info.h
- ability_loader.h
- ability_manager.h
- ability_slice.h
- ability_state.h
- abstract_adapter.h
- aio.h
- animator.h
- aod_callback.h
- appexecfwk_errors.h
- audio_adapter.h
- audio_attribute.h
- audio_capture.h
- audio_capturer.h
- audio_control.h
- audio_manager.h
- audio_render.h
- audio_scene.h
- audio_types.h
- audio_volume.h
- bitsperlong.h
- bundle_info.h
- bundle_manager.h
- camera.h
- camera_ability.h
- camera_config.h
- camera_device_callback.h
- camera_kit.h
- camera_state_callback.h
- cancel_event.h
- capability.h
- click_event.h
- codec_interface.h
- codec_type.h
- color.h
- common.h
- complex.h
- crypt.h
- ctype.h
- device_resource_if.h
- dirent.h
- discovery_service.h
- display_gfx.h
- display_gralloc.h
- display_layer.h
- display_type.h
- dlfcn.h
- drag_event.h
- easing_equation.h
- element_name.h
- err.h
- errno.h
- ether.h
- event.h
- event_injector.h
- fcntl.h
- feature.h
- fenv.h
- flex_layout.h
- fmtmsg.h
- fnmatch.h
- format.h
- format_interface.h
- format_type.h
- frame_config.h
- ftw.h
- geometry2d.h
- getopt.h
- glob.h
- gpio_if.h
- graphic_assert.h
- graphic_config.h
- graphic_math.h
- graphic_types.h
- grid_layout.h
- hdf_base.h
- hdf_device_desc.h
- hdf_dlist.h
- hdf_io_service_if.h
- hdf_log.h
- hdf_netbuf.h
- hdf_object.h
- hdf_platform.h
- hdf_sbuf.h
- hdf_wifi_event.h
- hdf_wifi_product.h
- hdf_workqueue.h
- heap_base.h
- i2c_if.h
- ibuffer_consumer_listener.h
- iconv.h
- if.h
- ifaddrs.h
- image.h
- image_info.h
- inet.h
- input_controller.h
- input_manager.h
- input_reporter.h
- input_type.h
- interpolation.h
- inttypes.h
- ioctl.h
- ipc.h
- ipcstat.h
- iproxy_client.h
- iproxy_server.h
- iunknown.h
- key_event.h
- kv_store.h
- layout.h
- libgen.h
- limits.h
- list.h
- locale.h
- long_press_event.h
- malloc.h
- math.h
- media_errors.h
- media_info.h
- mem_api.h
- message.h
- mman.h
- module_info.h
- monetary.h
- mount.h
- mqueue.h
- netdb.h
- net_device.h
- nl_types.h
- ohos_init.h
- osal_atomic.h
- osal_file.h
- osal_firmware.h
- osal_io.h
- osal_irq.h
- osal_mem.h
- osal_mutex.h
- osal_sem.h
- osal_spinlock.h
- osal_thread.h
- osal_time.h
- osal_timer.h
- parameter.h
- parameter_item.h
- player.h
- pms_interface.h
- pms_types.h
- poll.h
- press_event.h
- pthread.h
- recorder.h
- rect.h
- registry.h
- release_event.h
- resolv.h
- resource.h
- root_view.h
- rtc_if.h
- samgr_lite.h
- sched.h
- screen.h
- sdio_if.h
- search.h
- select.h
- semaphore.h
- service.h
- session.h
- shm.h
- signal.h
- socket.h
- source.h
- spi_if.h
- stat.h
- statfs.h
- statvfs.h
- stdarg.h
- stdio.h
- stdlib.h
- string.h
- strings.h
- style.h
- surface.h
- surface_buffer.h
- surface_type.h
- sys_info.h
- task.h
- text.h
- text_adapter.h
- theme.h
- theme_manager.h
- time.h
- time.h
- timeb.h
- times.h
- transform.h
- uart_if.h
- uio.h
- ui_abstract_clock.h
- ui_abstract_progress.h
- ui_abstract_scroll.h
- ui_analog_clock.h
- ui_arc_label.h
- ui_axis.h
- ui_box_progress.h
- ui_button.h
- ui_canvas.h
- ui_chart.h
- ui_checkbox.h
- ui_circle_progress.h
- ui_dialog.h
- ui_digital_clock.h
- ui_dump_dom_tree.h
- ui_image_animator.h
- ui_image_view.h
- ui_label.h
- ui_label_button.h
- ui_list.h
- ui_picker.h
- ui_radiobutton.h
- ui_screenshot.h
- ui_scroll_view.h
- ui_slider.h
- ui_surface_view.h
- ui_swipe_view.h
- ui_texture_mapper.h
- ui_time_picker.h
- ui_toggle_button.h
- ui_view.h
- ui_view_group.h
- unistd.h
- utils_config.h
- utime.h
- version.h
- virtual_device_event.h
- wait.h
- want.h
- watchdog_if.h
- wchar.h
- wctype.h
- wifi_inc.h
- wifi_mac80211_ops.h
- wifi_module.h
- wifi_module_config.h
- window.h
- wordexp.h
- 结构体
- AbilityInfo
- Alginment
- AssocReq
- AssocResp
- AudioAdapter
- AudioAdapterDescriptor
- AudioAttribute
- AudioCapture
- AudioControl
- AudioDeviceDesc
- AudioDeviceDescriptor
- AudioManager
- AudioPort
- AudioPortCapability
- AudioRender
- AudioSampleAttributes
- AudioScene
- AudioSceneDescriptor::SceneDesc
- AudioSceneDescriptor
- AudioSubPortCapability
- AudioTimeStamp
- AudioTrackInfo
- AudioTrackSourceInfo
- AudioVolume
- Auth
- Beacon
- BufferData
- BufferHandle
- BufferStream
- BundleInfo
- CapabilityMap
- Capbility
- ChannelDef
- CodecBufferInfo
- CodecCallback
- CommonDeviceInfo
- ConnetResult
- Consumer
- CryptoSettings
- DataTrackSourceInfo
- Deauth
- DevHandle
- DeviceInfo
- DeviceMap
- DeviceResourceAttr
- DeviceResourceIface
- DeviceResourceNode
- dirent
- Disassoc
- DisplayInfo
- div_t
- DListHead
- ElementName
- entry
- EtherHeader
- fd_set
- Feature
- fenv_t
- FileInfo
- FormatBufferSetting
- FormatCallback
- FormatFrame
- FormatOutputConfig
- FormatSource
- FTW
- GfxFuncs
- GfxOpt
- glob_t
- GrallocBuffer
- GrallocFuncs
- HdfDevEventlistener
- HdfDeviceIoClient
- HdfDeviceObject
- HdfDriverEntry
- HdfIoDispatcher
- HdfIoService
- HdfObject
- HdfSBuf
- HdfWifiChipData
- HdfWifiProductData
- HdfWork
- HdfWorkQueue
- hostent
- hsearch_data
- I2cMsg
- IAbilityConnection
- ICircle
- IClientProxy
- Identity
- IDeviceIoService
- Ieee80211Channel
- Ieee80211McsInfo
- Ieee80211Mgmt
- Ieee80211Rate
- Ieee80211StaHtCap
- Ieee80211SupportedBand
- ifaddrs
- IfReq
- IfType
- if_nameindex
- IInputInterface
- ILine
- ImageTrackInfo
- imaxdiv_t
- InputController
- InputEventData
- InputExtraCmd
- InputInfo
- InputManager
- InputReporter
- InputReportEventCb
- IpHeader
- IPowerEventListener
- IPublishCallback
- IpV4Addr
- IRect
- IServerProxy
- ISessionListener
- ISurface
- itimerspec
- itimerval
- IUnknown
- IUnknownEntry
- KeyParams
- LayerAlpha
- LayerBuffer
- LayerFuncs
- LayerInfo
- lconv
- ldiv_t
- lldiv_t
- Mac80211beaconParam
- Mac80211DisconnectParam
- Mac80211Ssids
- MacAddress
- MacConfigParam
- MetaData
- ModuleInfo
- mq_attr
- NetBuf
- NetBufQueue
- NetDevice
- NetDeviceInterFace
- NetDevNotify
- OHOS::Ability
- OHOS::AbilityContext
- OHOS::AbilityEventHandler
- OHOS::AbilityLoader
- OHOS::AbilitySlice
- OHOS::AbstractAdapter
- OHOS::Animator
- OHOS::AnimatorCallback
- OHOS::AnimatorManager
- OHOS::Audio::AudioCapturer
- OHOS::Audio::AudioCapturerInfo
- OHOS::Audio::Timestamp
- OHOS::ButtonStyle
- OHOS::CancelEvent
- OHOS::ClickEvent
- OHOS::Color
- OHOS::Color16
- OHOS::Color24
- OHOS::Color32
- OHOS::DragEvent
- OHOS::EasingEquation
- OHOS::Event
- OHOS::FlexLayout
- OHOS::GridLayout
- OHOS::HeapBase
- OHOS::IBufferConsumerListener
- OHOS::Image
- OHOS::ImageAnimatorInfo
- OHOS::ImageHeader
- OHOS::ImageInfo
- OHOS::Interpolation
- OHOS::KeyEvent
- OHOS::Layout
- OHOS::Line
- OHOS::List< T >
- OHOS::ListNode< T >
- OHOS::ListScrollListener
- OHOS::LongPressEvent
- OHOS::Matrix3< T >
- OHOS::Media::Camera
- OHOS::Media::CameraAbility
- OHOS::Media::CameraConfig
- OHOS::Media::CameraDeviceCallback
- OHOS::Media::CameraKit
- OHOS::Media::CameraStateCallback
- OHOS::Media::Format
- OHOS::Media::FormatData
- OHOS::Media::FrameConfig
- OHOS::Media::FrameStateCallback
- OHOS::Media::Player
- OHOS::Media::PlayerCallback
- OHOS::Media::Recorder
- OHOS::Media::RecorderCallback
- OHOS::Media::Source
- OHOS::Media::StreamCallback
- OHOS::Media::StreamSource
- OHOS::Paint
- OHOS::Point
- OHOS::Polygon
- OHOS::PressEvent
- OHOS::Rect
- OHOS::ReleaseEvent
- OHOS::RootView::OnKeyActListener
- OHOS::RootView::OnVirtualDeviceEventListener
- OHOS::RootView
- OHOS::Screen
- OHOS::Style
- OHOS::StyleDefault
- OHOS::Surface
- OHOS::SurfaceBuffer
- OHOS::SysInfo::OnFPSChangedListener
- OHOS::SysInfo
- OHOS::Task
- OHOS::Text
- OHOS::TextAdapter
- OHOS::TextFormatter
- OHOS::Theme
- OHOS::ThemeManager
- OHOS::TransformMap
- OHOS::UIAbstractClock
- OHOS::UIAbstractProgress
- OHOS::UIAbstractScroll
- OHOS::UIAnalogClock::Hand
- OHOS::UIAnalogClock
- OHOS::UIArcLabel::ArcTextInfo
- OHOS::UIArcLabel
- OHOS::UIAxis
- OHOS::UIBoxProgress
- OHOS::UIButton
- OHOS::UICanvas::FontStyle
- OHOS::UICanvas
- OHOS::UIChart
- OHOS::UIChartDataSerial::PointStyle
- OHOS::UIChartDataSerial
- OHOS::UIChartPillar
- OHOS::UIChartPolyline
- OHOS::UICheckBox::OnChangeListener
- OHOS::UICheckBox
- OHOS::UICircleProgress
- OHOS::UIDialog
- OHOS::UIDigitalClock
- OHOS::UIDumpDomTree
- OHOS::UIImageAnimatorView::AnimatorStopListener
- OHOS::UIImageAnimatorView
- OHOS::UIImageView
- OHOS::UILabel
- OHOS::UILabelButton
- OHOS::UIList
- OHOS::UIPicker::SelectedListener
- OHOS::UIPicker
- OHOS::UIRadioButton
- OHOS::UIRepeatButton
- OHOS::UIScrollView::OnScrollListener
- OHOS::UIScrollView
- OHOS::UISlider::UISliderEventListener
- OHOS::UISlider
- OHOS::UISurfaceView
- OHOS::UISwipeView::OnSwipeListener
- OHOS::UISwipeView
- OHOS::UITextureMapper::AnimatorStopListener
- OHOS::UITextureMapper
- OHOS::UITimePicker::SelectedListener
- OHOS::UITimePicker
- OHOS::UIToggleButton
- OHOS::UIView::OnClickListener
- OHOS::UIView::OnDragListener
- OHOS::UIView::OnLongPressListener
- OHOS::UIView::OnTouchListener
- OHOS::UIView
- OHOS::UIViewGroup
- OHOS::UIXAxis
- OHOS::UIYAxis
- OHOS::Vector2< T >
- OHOS::Vector3< T >
- OHOS::VirtualDeviceEvent
- OHOS::Window
- OHOS::WindowConfig
- option
- OsalAtomic
- OsalFile
- OsalFirmware
- OsalFwBlock
- OsalMutex
- OsalSem
- OsalSpinlock
- OsalThread
- OsalThreadParam
- OsalTimer
- OsalTimespec
- OutputInfo
- Param
- ParameterItem
- PermissionSaved
- pollfd
- ProbeResp
- ProgramInfo
- Provider
- PublishInfo
- qelem
- RateInfo
- ReassocReq
- ReassocResp
- Rect
- Rectangle
- Request
- ResizableArray
- Response
- RtcTime
- SamgrLite
- ScannedBssInfo
- sched_param
- SdioCommonInfo
- SdioFuncInfo
- sem_t
- Service
- shmid_ds
- shminfo
- shm_info
- sigaction
- sigaltstack
- sigevent
- sigval
- SimpleVector
- sockaddr
- SpiCfg
- SpiDevInfo
- SpiMsg
- StaBssParameters
- StaFlagUpdate
- stat
- StationDelParameters
- StationInfo
- statvfs
- SubImageInfo
- Subscriber
- SubscriberCallback
- SubtitleTrackInfo
- TaskConfig
- TcpHeader
- timeb
- timespec
- timeval
- timezone
- tm
- tms
- TrackInfo
- TrackSource
- UartAttribute
- UdpHeader
- utimbuf
- VideoTrackInfo
- VideoTrackSourceInfo
- VifParams
- Want
- WifiConnectParams
- WifiFeature
- WifiFeatureList
- WifiMac80211Ops
- WifiModule
- WifiModuleConfig
- WifiModuleIface
- WifiScanRequest
- WifiSsid
- Wiphy
- WirelessDev
- wordexp_t
- __sigset_t
- __si_fields
- __ucontext
- 头文件
- 标准库
- 系统基础能力子系统集
- 驱动
- 归档
- IOT平台
- 内核子系统
- AbilitySlice
- BundleStatusCallback
- bundle_status_callback.h
- Camera
- CameraAbility
- CameraStateCallback
- FrameConfig
- FrameStateCallback
- hos_init.h
- hota_updater.h
- InstallParam
- IOT子系统
- IOT平台
- OHOS::BinHeader
- OHOS::FontHeader
- OHOS::GlyphHeader
- OHOS::GlyphNode
- OHOS::KernNode
- OHOS::LangBinHeader
- OHOS::LangFontBinHeader
- OHOS::LangTexsTableHeader
- OHOS::LangTexsUtf8Param
- OHOS::RawEvent
- OHOS::TtfHeader
- OHOS::UISnapShot
- OHOS
- OpenHarmony内核
- OTA
- Rect
- RootView
- sigcontext.h
- sigcontext
- signal-defs.h
- sigset_t
- Source
- TextAdapter
- UIChart
- UILabel
- ui_snapshot.h
- utils_file.h
- Utils_file
- Wi-Fi
- 平台
- 内核子系统
- 升级子系统
- C语言编程规范
- C++语言编程规范
- JavaScript语言通用编程规范
- 贡献指南
- 贡献指南
- 签署CLA–个人独立贡献者
- 签署CLA–法律实体贡献者
- 应用实例
- 概述
- 碰一碰
- 碰一碰场景开发指导
- 设备虚拟化
- 设备虚拟化场景开发指导
- 预览开发指导
- 内核基础功能
- 内核文件系统
- 组件开发
- 驱动
- 获取源码-获取工具
- 设备开发
- 内核
- 快速入门
- OpenHarmony开发者文档
- 安全
- 子系统
- 术语
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