Part II. API Reference

Table of Contents

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
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
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

File types and applications

GContentType — Platform-specific content typing
GAppInfo — Application information and launch contexts
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
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

Lowlevel network support

GSocket — Low-level socket object
GInetAddress — An IPv4/IPv6 address
GSocketAddress — Abstract base class representing endpoints for socket communication
GInetSocketAddress — Internet GSocketAddress
GUnixSocketAddress — UNIX 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

Highlevel network functionallity

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

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
GTlsBackend — TLS backend implementation

DNS resolution

GResolver — Asynchronous and cancellable DNS resolver
GProxyResolver — Asynchronous and cancellable network proxy resolver
GSocketConnectable — Interface for potential socket endpoints
GNetworkAddress — A GSocketConnectable for resolving hostnames
GNetworkService — A GSocketConnectable for resolving SRV records
GSrvTarget — DNS SRV record target

Lowlevel 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

Highlevel D-Bus Support

Owning Bus Names — Simple API for owning bus names
Watching Bus Names — Simple API for watching bus names
GDBusProxy — Client-side proxies

GSettings — High-level API for application settings
GSettingsBackend — Interface for settings backend implementations

Permissions

GPermission — An object representing the permission to perform a certain action
GSimplePermission — A GPermission that doesn't change value

Application support

GActionGroup — A group of actions
GSimpleActionGroup — A simple GActionGroup implementation
GAction — An action
GSimpleAction — A simple GSimpleAction
GApplication — Core application class
GApplicationCommandLine — A command-line invocation of an application

Extending GIO

GVfs — Virtual File System
GIOModule — Loadable GIO Modules
Extension Points — Extension Points

gio-querymodules — GIO module cache creation
gsettings — GSettings configuration tool
glib-compile-schemas — GSettings schema compiler
gdbus — Introspect and call remote objects