From 1633b5e0985b6d9d4b875a5bc0ecdbbc44762ff6 Mon Sep 17 00:00:00 2001
From: hliu71 <hliu@cline.arterisip.net>
Date: Mon, 23 Feb 2026 03:48:25 -0800
Subject: [PATCH] fixes for trywait for ordered_semaphore

---
 src/sysc/scc/ordered_semaphore.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sysc/scc/ordered_semaphore.cpp b/src/sysc/scc/ordered_semaphore.cpp
index f1578eebe..4b6b80787 100644
--- a/src/sysc/scc/ordered_semaphore.cpp
+++ b/src/sysc/scc/ordered_semaphore.cpp
@@ -102,7 +102,7 @@ auto ordered_semaphore::wait(unsigned priority) -> int {
 // lock (take) the semaphore, return -1 if not available
 
 auto ordered_semaphore::trywait() -> int {
-    if(in_use()) {
+    if(value == 0) {
         return -1;
     }
     --value;