Channel

Channel, channels, and similar terms may refer to:

Channels (band), a rock band fronted by ex-Jawbox singer/guitarist J. Robbins

Channels (film), a 2008 film

Channel (transistors), the conductive path followed by electrons or holes through a semiconductor

Ion channel, a protein that allows ion flow through a cell membrane

Legal channeling, the act of legally making one entity responsible for an event, and thereby dismissing other parties from liability

Meridian (Chinese medicine), a concept central to traditional Chinese medical techniques such as acupuncture, and to martial arts such as tai chi and qigong

Mediumship or channelling, communication with spirits

Pre-Chorus, part of a song structure of popular music

Strut channel

Places

Channel (geography), in physical geography, a landform consisting of the outline of the path of a narrow body of water

Stream channel, the physical confine of a stream, including bed and banks

Channel Glacier, a glacier in the Palmer Archipelago, Antarctica

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Channel (programming)

In computing, a channel is a model for interprocess communication and synchronization via message passing. A message may be sent over a channel, and another process or thread is able to receive messages sent over a channel it has a reference to, as a stream. Different implementations of channels may be buffered or not, and either synchronous or asynchronous.

Channels are fundamental to the process calculus approach to concurrency, and originated in communicating sequential processes (CSP), a formal model for concurrency, and has been used in many derived languages, such as occam, and Limbo programming language (via Newsqueak and the Alef programming language). They are also used in the C programming language threading library libthread, and in Plan 9 from Bell Labs, which uses libthread, as well as in Stackless Python and the Go programming language.

Channel implementations

Channels modeled after the CSP model are inherently synchronous: a process waiting to receive an object from a channel will block until the object is sent. This is also called rendezvous behaviour. Typical supported operations are presented below using the example of the libthread channel API.

Channel V

Channel V (styled Channel [V]) is the brand name for multiple international music television networks owned by STAR TV and Fox International Channels, fully owned subsidiaries of 21st Century Fox.

Channel V Asia

Channel V Asia is the flagship of the Channel V network .It was founded after MTV Asia parted ways with the STAR TV Network. It was produced and operated from Hong Kong from 1 January 1994 until 1 January 2002, after which operations were shifted to Malaysia with some aspects still operating in Hong Kong. It was branded by Martin Lambie-Nairn. Since 1 January 2008, Channel V International has moved back to its original studio in Hong Kong, which is also the same studio of Channel V China and Taiwan.