From 8cb09c01c4cb3624f06bd2b715dedc0465dce4e9 Mon Sep 17 00:00:00 2001
From: Simon Cruanes <simon.cruanes.2007@m4x.org>
Date: Tue, 8 Oct 2024 15:28:04 -0400
Subject: [PATCH] fix domain pool: block signals in background threads

close #35
---
 src/dpool/moonpool_dpool.ml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/dpool/moonpool_dpool.ml b/src/dpool/moonpool_dpool.ml
index e396d716..6119e252 100644
--- a/src/dpool/moonpool_dpool.ml
+++ b/src/dpool/moonpool_dpool.ml
@@ -96,6 +96,11 @@ let domains_ : (worker_state option * Domain_.t option) Lock.t array =
      in a tight loop), and if nothing happens it tries to stop to free resources.
 *)
 let work_ idx (st : worker_state) : unit =
+  Thread.sigmask SIG_BLOCK
+    [
+      Sys.sigpipe; Sys.sigbus; Sys.sigterm; Sys.sigint; Sys.sigusr1; Sys.sigusr2;
+    ]
+  |> ignore;
   let main_loop () =
     let continue = ref true in
     while !continue do