process

Process libraries

Version on this page:1.2.3.0
LTS Haskell 8.2:1.4.3.0
Stackage Nightly 2017-02-22:1.4.3.0
Latest on Hackage:1.6.0.0
BSD3 licensed
Maintained by libraries@haskell.org

Module documentation for 1.2.3.0

There are no documented modules for this package.

This package contains libraries for dealing with system processes.

Changes

Changelog for process package

1.6.0.0 February 2017

  • Fix: waitForProcess race condition #46 #58

1.5.0.0 February 2017

  • Bug fix: Don't close already closed pipes #81
  • Relax version bounds of Win32 to allow 2.5.
  • Add support for monitoring process tree for termination with the parameter use_process_jobs in CreateProcess on Windows. Also added a function terminateJob to kill entire process tree.

1.4.3.0 December 2016

  • New exposed withCreateProcess
  • Derive Show and Eq for CreateProcess, CmdSpec, and StdStream

1.4.2.0 January 2016

  • Added createPipeFD #52
    • New function createPipeFD added which returns a POSIX File Descriptor (CInt) instead of a GHC Handle to a pipe

1.4.1.0 November 2015

  • Use less CPP #47
    • Refactor to have separate Windows and POSIX modules internally
    • Remove the broken non-GHC code paths

1.4.0.0 November 2015

  • Added child_user and child_group to CreateProcess for unix. #45

1.3.0.0 August 2015

  • Add StdStream(NoStream) to have standard handles closed. #13
  • Support for Windows DETACHED_PROCESS and setsid #32
  • Support for Windows CREATE_NEW_CONSOLE #38

1.2.3.0 March 2015

  • [Meaningful error message when exe not found on close_fds is

True](https://ghc.haskell.org/trac/ghc/ticket/3649#comment:10)

  • New functions readCreateProcess and readCreateProcessWithExitCode

1.2.2.0 Jan 2015

  • Fix delegated CTRL-C handling in createProcess in case of failed process creation. See issue #15 for more details.

  • waitpid on child PID after pre-exec failure in child to prevent zombies. See also issue #14.

1.2.1.0 Dec 2014

  • Add support for base-4.8.0.0

  • Remove Hugs98 specific code

  • New IsString CmdSpec instance

  • Expose documentation for System.Process.Internals

  • With GHC 7.10, System.Cmd and System.Process are now Safe (when compiled with older GHC versions they are just Trustworthy)

  • Expose createProcess_ function, and document behavior of UseHandle for createProcess. See issue #2.

  • New System.Process.createPipe operation. See also GHC #8943

1.2.0.0 Dec 2013

  • Update to Cabal 1.10 format
  • Remove NHC specific code
  • Add support for base-4.7.0.0
  • Improve showCommandForUser to reduce redundant quoting
  • New functions callProcess, callCommand, spawnProcess and spawnCommand
  • Implement WCE handling according to http://www.cons.org/cracauer/sigint.html
  • New delegate_ctlc field in CreateProcess for WCE handling
  • Use ExitFailure (-signum) on Unix when a proc is terminated due to a signal.
  • Deprecate module System.Cmd
  • On non-Windows, the child thread now comunicates any errors back to the parent thread via pipes.
  • Fix deadlocks in readProcess and readProcessWithExitCode
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