thread: add qemu_spin_destroy

It will be used for TSAN annotations.

Signed-off-by: Emilio G. Cota <[email protected]>
Signed-off-by: Robert Foley <[email protected]>
Reviewed-by: Alex Bennée <[email protected]>
Signed-off-by: Alex Bennée <[email protected]>
Message-Id: <20200609200738[email protected]>
Message-Id: <20200612190237[email protected]>

diff --git a/include/qemu/thread.h b/include/qemu/thread.h
index 06c058fb58b315f3c4f0dd539129871bc4da8e32..9479facdcc5673cb5ea4541b047972e1ce3fc94b 100644 (file)
--- a/include/qemu/thread.h
+++ b/include/qemu/thread.h
@@ -215,6 +215,9 @@ static inline void qemu_spin_init(QemuSpin *spin)
     __sync_lock_release(&spin->value);
 }
 
+static inline void qemu_spin_destroy(QemuSpin *spin)
+{ }
+
 static inline void qemu_spin_lock(QemuSpin *spin)
 {
     while (unlikely(__sync_lock_test_and_set(&spin->value, true))) {