From 472434301940015365f7ed303f52d71c505ac487 Mon Sep 17 00:00:00 2001
From: Zuhaitz Méndez Fernández de Aránguiz <zuhaitz@debian>
Date: Fri, 30 Jan 2026 19:44:32 +0000
Subject: Improvements for the standard library + '@ctype'.

---
 std/thread.zc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'std/thread.zc')

diff --git a/std/thread.zc b/std/thread.zc
index 98f080e..16f3ca1 100644
--- a/std/thread.zc
+++ b/std/thread.zc
@@ -7,6 +7,11 @@ import "./core.zc"
 import "./result.zc"
 import "./mem.zc"
 
+// Essential raw block: required for pthread operations and closure trampolining
+// This block cannot be eliminated because:
+// 1. z_closure_T is an internal compiler type for Zen-C closures
+// 2. pthread_t, pthread_mutex_t are opaque types that can't be extern'd with void*
+// 3. The trampoline function needs to cast and execute Zen-C closures
 raw {
     typedef void (*ZenThreadFunc)(void*);
     
-- 
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