for GIO 2.72.3 The latest version of this documentation can be found on-line at

I. GIO Overview
Writing GIO applications
Compiling GIO applications
Running GIO applications
Extending GIO
II. API Reference
File Operations
GFile — File and Directory Handling
GFileAttribute — Key-Value Paired File Attributes
GFileInfo — File Information and Attributes
GFileEnumerator — Enumerated Files Routines
GIOError — Error helper functions
GMountOperation — Object used for authentication and user interaction
File System Monitoring
GFileMonitor — File Monitor
File-related Utilities
GFilenameCompleter — Filename Completer
Asynchronous I/O
GCancellable — Thread-safe Operation Cancellation Stack
GAsyncResult — Asynchronous Function Results
GTask — Cancellable synchronous or asynchronous task and result
GIOScheduler — I/O Scheduler
GSimpleAsyncResult — Simple asynchronous results implementation
Data conversion
GConverter — Data conversion interface
GCharsetConverter — Convert between charsets
GZlibCompressor — Zlib compressor
GZlibDecompressor — Zlib decompressor
Streaming I/O
GSeekable — Stream seeking interface
GInputStream — Base class for implementing streaming input
GOutputStream — Base class for implementing streaming output
GIOStream — Base class for implementing read/write streams
GSimpleIOStream — A wrapper around an input and an output stream.
GFileInputStream — File input streaming operations
GFileOutputStream — File output streaming operations
GFileIOStream — File read and write streaming operations
GFileDescriptorBased — Interface for file descriptor based IO
GFilterInputStream — Filter Input Stream
GFilterOutputStream — Filter Output Stream
GMemoryInputStream — Streaming input operations on memory chunks
GMemoryOutputStream — Streaming output operations on memory chunks
GBufferedInputStream — Buffered Input Stream
GBufferedOutputStream — Buffered Output Stream
GDataInputStream — Data Input Stream
GDataOutputStream — Data Output Stream
GUnixInputStream — Streaming input operations for UNIX file descriptors
GUnixOutputStream — Streaming output operations for UNIX file descriptors
GConverterInputStream — Converter Input Stream
GConverterOutputStream — Converter Output Stream
GPollableInputStream — Interface for pollable input streams
GPollableOutputStream — Interface for pollable output streams
gpollableutils — Utilities for pollable streams
File types and applications
GContentType — Platform-specific content typing
GAppInfo — Application information and launch contexts
GAppInfoMonitor — Monitor application information for changes
GDesktopAppInfo — Application information from desktop files
Volumes and Drives
GVolumeMonitor — Volume Monitor
GVolume — Volume management
GMount — Mount management
GDrive — Drive management
Unix Mounts — UNIX mounts
GIcon — Interface for icons
GFileIcon — Icons pointing to an image file
GBytesIcon — An icon stored in memory as a GBytes
GLoadableIcon — Loadable Icons
GThemedIcon — Icon theming support
GEmblemedIcon — Icon with emblems
GEmblem — An object for emblems
Failable Initialization
GInitable — Failable object initialization interface
GAsyncInitable — Asynchronously failable object initialization interface
GSubprocess — Child processes
GSubprocess Launcher — Environment options for launching a child process
Low-level network support
GSocket — Low-level socket object
GDatagramBased — Low-level datagram communications interface
GInetAddress — An IPv4/IPv6 address
GInetAddressMask — An IPv4/IPv6 address mask
GSocketAddress — Abstract base class representing endpoints for socket communication
GInetSocketAddress — Internet GSocketAddress
GUnixSocketAddress — UNIX GSocketAddress
GNativeSocketAddress — Native GSocketAddress
GSocketControlMessage — A GSocket control message
GUnixFDList — An object containing a set of UNIX file descriptors
GUnixFDMessage — A GSocketControlMessage containing a GUnixFDList
GCredentials — An object containing credentials
GUnixCredentialsMessage — A GSocketControlMessage containing credentials
GProxy — Interface for proxy handling
GProxyAddress — An internet address with proxy information
gnetworking.h — System networking includes
High-level network functionality
GSocketClient — Helper for connecting to a network service
GSocketConnection — A socket connection
GUnixConnection — A UNIX domain GSocketConnection
GTcpConnection — A TCP GSocketConnection
GTcpWrapperConnection — Wrapper for non-GSocketConnection-based, GSocket-based GIOStreams
GSocketListener — Helper for accepting network client connections
GSocketService — Make it easy to implement a network service
GThreadedSocketService — A threaded GSocketService
GNetworkMonitor — Network status monitor
TLS (SSL) support
TLS Overview — TLS (aka SSL) support for GSocketConnection
GTlsCertificate — TLS certificate
GTlsConnection — TLS connection type
GTlsClientConnection — TLS client-side connection
GTlsServerConnection — TLS server-side connection
GDtlsConnection — DTLS connection type
GDtlsClientConnection — DTLS client-side connection
GDtlsServerConnection — DTLS server-side connection
GTlsBackend — TLS backend implementation
GTlsDatabase — TLS database type
GTlsFileDatabase — TLS file based database type
GTlsInteraction — Interaction with the user during TLS operations.
GTlsPassword — TLS Passwords for prompting
DNS resolution
GResolver — Asynchronous and cancellable DNS resolver
GProxyResolver — Asynchronous and cancellable network proxy resolver
GSimpleProxyResolver — Simple proxy resolver implementation
GSocketConnectable — Interface for potential socket endpoints
GSocketAddressEnumerator — Enumerator for socket addresses
GProxyAddressEnumerator — Proxy wrapper enumerator for socket addresses
GNetworkAddress — A GSocketConnectable for resolving hostnames
GNetworkService — A GSocketConnectable for resolving SRV records
GSrvTarget — DNS SRV record target
Low-level D-Bus Support
D-Bus Utilities — Various utilities related to D-Bus
D-Bus Addresses — D-Bus connection endpoints
D-Bus Introspection Data — Node and interface description data structures
GDBusError — Mapping D-Bus errors to and from GError
GDBusMessage — D-Bus Message
GDBusConnection — D-Bus Connections
GDBusMethodInvocation — Object for handling remote calls
GDBusServer — Helper for accepting connections
GDBusAuthObserver — Object used for authenticating connections
High-level D-Bus Support
Owning Bus Names — Simple API for owning bus names
Watching Bus Names — Simple API for watching bus names
GDBusInterface — Base type for D-Bus interfaces
GDBusInterfaceSkeleton — Service-side D-Bus interface
GDBusProxy — Client-side D-Bus interface proxy
GDBusObject — Base type for D-Bus objects
GDBusObjectSkeleton — Service-side D-Bus object
GDBusObjectProxy — Client-side D-Bus object
GDBusObjectManager — Base type for D-Bus object managers
GDBusObjectManagerServer — Service-side object manager
GDBusObjectManagerClient — Client-side object manager
GSettings — High-level API for application settings
GSettingsBackend — Interface for settings backend implementations
GSettingsSchema, GSettingsSchemaSource — Introspecting and controlling the loading of GSettings schemas
GResource — Resource framework
GPermission — An object representing the permission to perform a certain action
GSimplePermission — A GPermission that doesn't change value
Data Models
GListModel — An interface describing a dynamic list of objects
GListStore — A simple implementation of GListModel
Application support
GApplication — Core application class
GApplicationCommandLine — A command-line invocation of an application
GActionGroup — A group of actions
GActionMap — Interface for action containers
GSimpleActionGroup — A simple GActionGroup implementation
GAction — An action interface
GSimpleAction — A simple GAction implementation
GPropertyAction — A GAction reflecting a GObject property
GRemoteActionGroup — A GActionGroup that interacts with other processes
GActionGroup exporter — Export GActionGroups on D-Bus
GDBusActionGroup — A D-Bus GActionGroup implementation
GDebugController — Debugging controller
GDebugControllerDBus — Debugging controller D-Bus implementation
GMemoryMonitor — Memory usage monitor
GMenuModel — An abstract class representing the contents of a menu
GMenu — A simple implementation of GMenuModel
GMenuModel exporter — Export GMenuModels on D-Bus
GDBusMenuModel — A D-Bus GMenuModel implementation
GNotification — User Notifications (pop up messages)
GPowerProfileMonitor — Power profile monitor
Extending GIO
GVfs — Virtual File System
GIOModule — Loadable GIO Modules
Extension Points — Extension Points
GIO Tools
gio-querymodules — GIO module cache creation
gsettings — GSettings configuration tool
glib-compile-schemas — GSettings schema compiler
glib-compile-resources — GLib resource compiler
gdbus — Tool for working with D-Bus objects
gdbus-codegen — D-Bus code and documentation generator
gresource — GResource tool
gapplication — D-Bus application launcher
gio — GIO commandline tool
GIO Testing
GTestDBus — D-Bus testing helper
III. Migrating to GIO
Migrating from GnomeVFS to GIO
Trash handling
Operations on multiple files
Mime monitoring
Migrating from GConf to GSettings
Before you start
Conceptual differences
GConfClient (and GConfBridge) API conversion
Change notification
Change sets
Schema conversion
Data conversion
Migrating to GDBus
Conceptual differences
API comparison
Owning bus names
Creating proxies for well-known names
Generating code and docs
Using gdbus-codegen
org.gtk.GDBus.Example.ObjectManager.Animal — Example docs generated by gdbus-codegen
org.gtk.GDBus.Example.ObjectManager.Cat — More example docs generated by gdbus-codegen
ExampleAnimal — Generated C code for the org.gtk.GDBus.Example.ObjectManager.Animal D-Bus interface
ExampleCat — Generated C code for the org.gtk.GDBus.Example.ObjectManager.Cat D-Bus interface
ExampleObject — Specialized GDBusObject types
ExampleObjectManagerClient — Generated GDBusObjectManagerClient type
Object Hierarchy
Annotation Glossary