From 67c290158cdb12b755c17b404f0eb63bc40eac73 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 24 Dec 2025 10:04:28 -0500
Subject: Fix undefined PSEMNAMLEN on Darwin

---
 src/lib/core/include/sem.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/lib/core/include/sem.h b/src/lib/core/include/sem.h
index 583770a..b8f9a39 100644
--- a/src/lib/core/include/sem.h
+++ b/src/lib/core/include/sem.h
@@ -6,6 +6,11 @@
 
 #include "core.h"
 #include <semaphore.h>
+#if defined(STASIS_OS_DARWIN)
+// Darwin's sem_open() limits the path length to PSEMNAMLEN
+// even though it isn't used directly.
+#include <sys/posix_sem.h>  // PSEMNAMLEN
+#endif
 
 struct Semaphore {
     sem_t *sem;
-- 
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