Merge "Add warning about following the design rules"
diff --git a/services/audioflinger/FastMixer.cpp b/services/audioflinger/FastMixer.cpp
index 5e6af16..9283f53 100644
--- a/services/audioflinger/FastMixer.cpp
+++ b/services/audioflinger/FastMixer.cpp
@@ -14,6 +14,12 @@
* limitations under the License.
*/
+// <IMPORTANT_WARNING>
+// Design rules for threadLoop() are given in the comments at section "Fast mixer thread" of
+// StateQueue.h. In particular, avoid library and system calls except at well-known points.
+// The design rules are only for threadLoop(), and don't apply to FastMixerDumpState methods.
+// </IMPORTANT_WARNING>
+
#define LOG_TAG "FastMixer"
//#define LOG_NDEBUG 0