Unix Programming FAQ Why doesn't my process get SIGHUP when its parent dies? []

Unix Programming FAQ How can a parent and child process communicate? []

Unix Programming FAQ How can I look at process in the system like ps does? []

Unix Programming FAQ How can I find out if someone else has a file open? []

Unix Programming FAQ How do I 'lock' a file? []

Unix Programming FAQ How do I find out if a file has been updated by another process? []

Unix Programming FAQ What can I do with named pipes (FIFOs)? []

Unix Programming FAQ What is a named pipe? []

Unix Programming FAQ How do I create a named pipe? []

Unix Programming FAQ How do I use a named pipe? []

Unix Programming FAQ Can I use a named pipe across NFS? []

Unix Programming FAQ Can multiple processes write to the pipe simultaneously? []

Unix Programming FAQ Using named pipes in applications []

Questions and Answers

ipcrm(1) - remove the specified message queues, semaphore sets, and shared segments {oss}

ipcs(1) - report System V interprocess communication facilities status {oss}

mkfifo(1) - make fifos {oss}

p5-IPC-Run-0.44 - IPC::Run - Run subprocesses with piping and redirection

p5-IPC-Shareable-0.60 - Share Perl variables between processes

ruby-sysvipc-0.3 - Ruby interface to use System V IPC system calls

pipe (2) - create descriptor pair for interprocess communication {oss}

socketpair (2) - create a pair of connected sockets {oss}

lockf (3) - record locking on files {oss}

popen pclose (3) - process I/O {oss}

ftok (3) - create IPC indentifier from path name {oss}

semctl (2) - semaphore control operations {oss}

semget (2) - get semaphore set {oss}

semop (2) - semaphore operations {oss}

wait waitpid wait4 wait3 (2) - wait for process termination {oss}

mkfifo (2) - make a fifo file {oss}

msgctl (2) - message control operations {oss}

msgget (2) - get message queue {oss}

msgrcv (2) - receive a message from a message queue {oss}

msgsnd (2) - send a message to a message queue {oss}

IPC::SysV - An alternate implementation of the Sys V IPC commands built into Perl. "Sys V IPC" is a commonly used means of interprocess communication -- if you have two processes on the same computer that need to exchange information, you probably want to use [Perl] {oss}

Parallel::PVM - The Parallel Virtual Machine message passing system. This module is an interface to the PVM library. [Perl] {oss}

Libraries and Functions

(The following links to subjects at this site retain your personalized selections.)

See also Remote Process Communication - Methods of communicating to remote processes. Remote Procedure Calls, sockets, data format translation, et al

See also: Process Creation and Control - (starting and controlling child and peer processes)

See also: Process Signals and Events - Sending and handling signals and events.

See also: Program Environment Variables - Getting/ Setting program environment variables

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