From 25ee83653e510e9c80c62f2bcb7fc6059db1a90d Mon Sep 17 00:00:00 2001
From: Maarten Pronk <8655030+evetion@users.noreply.github.com>
Date: Sat, 10 Feb 2024 20:07:08 +0100
Subject: [PATCH] Add warning about new workers not sharing prior global state
 (#14)

Originally proposed in https://github.com/JuliaLang/julia/pull/50843
---
 src/managers.jl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/managers.jl b/src/managers.jl
index 57f58598e85dcf..b2b655a3c012ff 100644
--- a/src/managers.jl
+++ b/src/managers.jl
@@ -450,6 +450,11 @@ Launch `np` workers on the local host using the in-built `LocalManager`.
 Local workers inherit the current package environment (i.e., active project,
 [`LOAD_PATH`](@ref), and [`DEPOT_PATH`](@ref)) from the main process.
 
+!!! warning
+    Note that workers do not run a `~/.julia/config/startup.jl` startup script, nor do they synchronize
+    their global state (such as command-line switches, global variables, new method definitions, and loaded modules) with any
+    of the other running processes.
+
 **Keyword arguments**:
  - `restrict::Bool`: if `true` (default) binding is restricted to `127.0.0.1`.
  - `dir`, `exename`, `exeflags`, `env`, `topology`, `lazy`, `enable_threaded_blas`: same effect