commit 16d35743d6b52bc0b38702a459025ba82bd8811f
Author: Fake Name <fake@gmail.com>
Date:   Thu Dec 11 03:26:20 2025 +0000

    Fix bug where `sem_close` was being called on an unnamed semaphore

diff --git a/src/blocking_mutex.h b/src/blocking_mutex.h
index b1d01df..c4658e3 100644
--- a/src/blocking_mutex.h
+++ b/src/blocking_mutex.h
@@ -106,7 +106,7 @@ Caml_inline int blocking_mutex_destroy(blocking_mutex mut) {
   caml_stat_free(mut);
   return MUTEX_SUCCESS;
 #else
-  if (sem_close(&mut->sem) == MUTEX_SUCCESS) {
+  if (sem_destroy(&mut->sem) == MUTEX_SUCCESS) {
     caml_stat_free(mut);
     return MUTEX_SUCCESS;
   }