Add a thread reset API for the ring buffer class.

This allow reseting the consumer/producer thread id in the ring buffer
class, so that we can take into account the change in thread inherent to
the audio devices changes.

This fixes #320.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/cubeb_ringbuffer.h b/src/cubeb_ringbuffer.h
index ac5bf8c..d40f2ff 100644
--- a/src/cubeb_ringbuffer.h
+++ b/src/cubeb_ringbuffer.h
@@ -226,6 +226,17 @@ public:
   {
     return storage_capacity() - 1;
   }
+  /**
+   * Reset the consumer and producer thread identifier, in case the thread are
+   * being changed. This has to be externally synchronized. This is no-op when
+   * asserts are disabled.
+   */
+  void reset_thread_ids()
+  {
+#ifndef DEBUG
+    consumer_id = producer_id = std::thread::id();
+#endif
+  }
 private:
   /** Return true if the ring buffer is empty.
    *