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Close stray process when stdio pipe is closed or possibly when parent process is killed (daemon flag?)

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#924 5 comentarios 0 reacciones 0 asignados Ver en GitHub

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Evaluación

Dificultad
5/5
Tiempo estimado
Más de una semana
Aptitud para principiantes
30/100
Tipo de issue
Nueva funcionalidad
Claridad
Bastante claro
Estado de actividad
Estancado
Stack tecnológico
csharp
Área
devtools

Línea de trabajo

Revisa primero issue #655 y PR #663; después, sigue los puntos de entrada de PSES para el modo -stdio y el indicador -daemon propuesto. Decide qué comportamiento de apagado se pretende cuando el proceso padre desaparece o la tubería stdio se cierra; se considerará terminado cuando ya no queden procesos PSES huérfanos en el escenario cubierto sin romper el uso como daemon.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

Area-Tasks Issue-Bug

This is continuation of the effort from:

  1. Issue https://github.com/PowerShell/PowerShellEditorServices/issues/655 PSES needs to shutdown itself when it's supposed to
  2. PR https://github.com/PowerShell/PowerShellEditorServices/pull/663 Close stray processes on exit

#655 was closed by @TylerLeonhardt as it was satisfied by PR #663. However I still believe we can easily get into the situation when LSP text editor that launches PSES gets killed and orphans the PSES process, that keeps running without a purpose. Actually this is the case with Sublime Text and LSP plugin, where other language LSP providers shutdown themselves when the Sublime Text quits without a need to use exit or any other means.

Therefore I propose 2 options for consideration (alternatives):

  1. Introduce new -daemon flag, that unless specified, makes PSES to shutdown itself when the parent process disappears. This will make PSES behave like most of the command line tools, i.e. shutdown itself when the shell or launching process quits.

    The only purpose for PSES to run despite of parent process being alive or not is when it is it intended to be ran as a daemon, and I believe this intent should not be default (as it is now).

  2. Shutdown itself when running as -stdio and when pipe is closed, as I was commenting in other ticket, there is no point running when pipe is closes, because there is nobody that will be able to issue exit and any other command anyways.

Thank you in advance for considering my suggestion. If you prefer I can try to get this behavior adapter myself and send the PR, but you (maintainers) may come to more elegant solution much quicker than me, therefore I post this issue first.

Lenguaje dominante
C#
Estrellas
767
Forks
266
Merge medio
3 d 16 h
PR fusionados (30 d)
1

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