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serenity/Base/usr/share/man/man2/disown.md
Andreas Kling 7de831efc6 Kernel+LibC: Add sys$disown() for disowning child processes 
This syscall allows a parent process to disown a child process, setting
its parent PID to 0.

Unparented processes are automatically reaped by the kernel upon exit,
and no sys$waitid() is required. This will make it much nicer to do
spawn-and-forget which is common in the GUI environment.
2020-08-04 18:17:16 +02:00

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Name

disown - disown a child process

Synopsis

#include <serenity.h>

int disown(pid_t pid);

Description

disown() unparents a child process of the calling process. The child's parent PID is set to zero, which allows the kernel to automatically reap it upon death.

Pledge

In pledged programs, the proc promise is required for this system call.

Errors

  • ESRCH: No process with PID pid was found.
  • ECHILD: The target process is not a child of the calling process.