diff --git a/services/audioflinger/SchedulingPolicyService.h b/services/audioflinger/SchedulingPolicyService.h
new file mode 100644
index 0000000..7ac8454
--- /dev/null
+++ b/services/audioflinger/SchedulingPolicyService.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID_SCHEDULING_POLICY_SERVICE_H
+#define _ANDROID_SCHEDULING_POLICY_SERVICE_H
+
+namespace android {
+
+// Request elevated priority for thread tid, whose thread group leader must be pid.
+// The priority parameter is currently restricted to either 1 or 2.
+int requestPriority(pid_t pid, pid_t tid, int32_t prio);
+
+}   // namespace android
+
+#endif  // _ANDROID_SCHEDULING_POLICY_SERVICE_H