Unix ___domain socket: Difference between revisions

Revision as of 06:35, 4 June 2010

Revision as of 15:35, 10 June 2010

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A '''Unix ___domain socket''' or '''IPC socket''' (inter-process communication socket) is a data communications endpoint that is similar to an [[Internet socket]], but does not use a network protocol for communication. It is used in [[POSIX]] [[operating system]]s for [[inter-process communication]]. The correct standard POSIX term is '''POSIX Local IPC Sockets'''.{{cnCitation needed|date=June 2010}}

Unix ___domain connections appear as [[byte stream]]s, much like network connections, but all data remains within the local computer. UNIX ___domain sockets use the file system as address name space, i.e. they are referenced by processes as [[inodes]] in the file system. This allows two distinct processes to open the same socket in order to communicate. However, the actual communication (the data exchange) does not use the file system, but buffers in kernel memory.

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{{IPC}}

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[[Category:Unix]]

[[Category:Inter-process communication]]

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[[de:POSIX local inter-process communication socket]]