From 057fdee0c2b91346e700847fbd6aa3bf38d986db Mon Sep 17 00:00:00 2001
From: JamesWrigley <james@puiterwijk.org>
Date: Thu, 13 Jun 2024 14:05:48 +0200
Subject: [PATCH] Close the default Context in the precompilation workload

---
 src/ZMQ.jl | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/ZMQ.jl b/src/ZMQ.jl
index 8805754..9a74306 100644
--- a/src/ZMQ.jl
+++ b/src/ZMQ.jl
@@ -85,6 +85,13 @@ import PrecompileTools: @compile_workload
     unsafe_string(ZMQ.recv(s2))
     ZMQ.close(s1)
     ZMQ.close(s2)
+
+    # Using the library like this workload will initialize ZMQ._context, which
+    # contains a pointer. This doesn't seem to play well with serialization on
+    # Julia 1.6 with PackageCompiler so we explicitly close it to reset the
+    # pointer.
+    # See: https://github.com/JuliaLang/julia/issues/46214
+    close(ZMQ._context)
 end
 
 end