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-rw-r--r--sysdeps/htl/sem-destroy.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/htl/sem-destroy.c b/sysdeps/htl/sem-destroy.c
index 4caa004444..ebfeb2a0e6 100644
--- a/sysdeps/htl/sem-destroy.c
+++ b/sysdeps/htl/sem-destroy.c
@@ -24,7 +24,15 @@
 int
 __sem_destroy (sem_t *sem)
 {
-  if (sem->__queue)
+  struct new_sem *isem = (struct new_sem *) sem;
+  if (
+#if __HAVE_64B_ATOMICS
+      atomic_load_relaxed (&isem->data) >> SEM_NWAITERS_SHIFT
+#else
+      atomic_load_relaxed (&isem->value) & SEM_NWAITERS_MASK
+      || isem->nwaiters
+#endif
+      )
     /* There are threads waiting on *SEM.  */
     {
       errno = EBUSY;