From aa76f679147647ba2ddb42adff94bddb4a82d5d9 Mon Sep 17 00:00:00 2001
From: cgmossa <cgmossa@gmail.com>
Date: Sun, 21 Jan 2024 15:40:22 +0100
Subject: [PATCH] task: add single_threaded everywhere

---
 extendr-api/src/lib.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/extendr-api/src/lib.rs b/extendr-api/src/lib.rs
index c2241b71df..02d863b6f1 100644
--- a/extendr-api/src/lib.rs
+++ b/extendr-api/src/lib.rs
@@ -481,6 +481,7 @@ pub unsafe fn register_call_methods(info: *mut libR_sys::DllInfo, metadata: Meta
         numArgs: 0,
     });
 
+    single_threaded(|| {
     libR_sys::R_registerRoutines(
         info,
         std::ptr::null(),
@@ -492,6 +493,7 @@ pub unsafe fn register_call_methods(info: *mut libR_sys::DllInfo, metadata: Meta
     // This seems to allow both symbols and strings,
     libR_sys::R_useDynamicSymbols(info, 0);
     libR_sys::R_forceSymbols(info, 0);
+    })
 }
 
 /// Type of R objects used by [Robj::rtype].