setsid-posix

On Linux, the setsid(1) command line tool is part of util-linux. This tiny setsid implementation should help you out where that package is usually not available (e.g., on macOS).

Please note that the --ctty switch is currently not implemented.

Usage

setsid-posix 0.1.0
Vincent Haupert <mail@vincent-haupert.de>
A POSIX implementation of setsid(1)

USAGE:
    setsid [OPTIONS] <program> [arguments]...

ARGS:
    <program>         The program to run in a new session
    <arguments>...    The arguments to pass to `program`, if any

OPTIONS:
    -c, --ctty       Set the controlling terminal to the current one. Currently not implemented.
    -f, --fork       Always create a new process
    -h, --help       Print help information
    -V, --version    Print version information
    -w, --wait       Wait for the execution of the program to end, and return the exit value of this
                     program as the return value of setsid

Nix Flakes

Run

nix run github:veehaitch/setsid-posix -- --help

Overlay

The Flake also provides an overlay for util-linux which links setsid to setsid-posix from this project on non-Linux systems. On Linux, the overlay has no effect passing through the upstream util-linux package from nixpkgs. Additionally, the overlay provides this project explicitly as setsid-posix.