From 85a7ea03966a72b88868a1ca444803fac6f7daaa Mon Sep 17 00:00:00 2001
From: Red Bear OS <build@redbearos.org>
Date: Mon, 6 Jul 2026 00:01:26 +0300
Subject: [PATCH] fix: use VaList::next_arg for variadic sem_open

---
 src/header/semaphore/mod.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/header/semaphore/mod.rs b/src/header/semaphore/mod.rs
index 623a4ce399..cc16858dbf 100644
--- a/src/header/semaphore/mod.rs
+++ b/src/header/semaphore/mod.rs
@@ -158,7 +158,10 @@ pub unsafe extern "C" fn sem_open(
         return ptr as *mut NamedSemaphore as *mut sem_t;
     }
     let (mode, value): (mode_t, c_uint) = if create {
-        (unsafe { __valist.arg::<mode_t>() }, unsafe { __valist.arg::<c_uint>() })
+        (
+            unsafe { __valist.next_arg::<mode_t>() }.unwrap_or(0),
+            unsafe { __valist.next_arg::<c_uint>() }.unwrap_or(0),
+        )
     } else {
         (0, 0)
     };