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-rw-r--r--qemu-thread.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/qemu-thread.h b/qemu-thread.h
index 0a73d50524..e008b60028 100644
--- a/qemu-thread.h
+++ b/qemu-thread.h
@@ -19,6 +19,9 @@ void qemu_mutex_lock(QemuMutex *mutex);
int qemu_mutex_trylock(QemuMutex *mutex);
void qemu_mutex_unlock(QemuMutex *mutex);
+#define rcu_read_lock() do { } while (0)
+#define rcu_read_unlock() do { } while (0)
+
void qemu_cond_init(QemuCond *cond);
void qemu_cond_destroy(QemuCond *cond);