From 1dc28b794587be22c90a97070d928f94586db638 Mon Sep 17 00:00:00 2001
From: Glenn Kasten <gkasten@google.com>
Date: Tue, 24 Apr 2012 10:01:03 -0700
Subject: Use scheduling policy service

Change-Id: I3c09da1dc0de5039d0c15ce7fb2bc373fa398712
---
 services/audioflinger/ISchedulingPolicyService.cpp | 71 ++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 services/audioflinger/ISchedulingPolicyService.cpp

(limited to 'services/audioflinger/ISchedulingPolicyService.cpp')

diff --git a/services/audioflinger/ISchedulingPolicyService.cpp b/services/audioflinger/ISchedulingPolicyService.cpp
new file mode 100644
index 0000000..909b77e
--- /dev/null
+++ b/services/audioflinger/ISchedulingPolicyService.cpp
@@ -0,0 +1,71 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "SchedulingPolicyService"
+//#define LOG_NDEBUG 0
+
+#include <binder/Parcel.h>
+#include "ISchedulingPolicyService.h"
+
+namespace android {
+
+// Keep in sync with frameworks/base/core/java/android/os/ISchedulingPolicyService.aidl
+enum {
+    REQUEST_PRIORITY_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
+};
+
+// ----------------------------------------------------------------------
+
+class BpSchedulingPolicyService : public BpInterface<ISchedulingPolicyService>
+{
+public:
+    BpSchedulingPolicyService(const sp<IBinder>& impl)
+        : BpInterface<ISchedulingPolicyService>(impl)
+    {
+    }
+
+    virtual int requestPriority(int32_t pid, int32_t tid, int32_t prio)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISchedulingPolicyService::getInterfaceDescriptor());
+        data.writeInt32(pid);
+        data.writeInt32(tid);
+        data.writeInt32(prio);
+        remote()->transact(REQUEST_PRIORITY_TRANSACTION, data, &reply);
+        // fail on exception
+        if (reply.readExceptionCode() != 0) return -1;
+        return reply.readInt32();
+    }
+};
+
+IMPLEMENT_META_INTERFACE(SchedulingPolicyService, "android.os.ISchedulingPolicyService");
+
+// ----------------------------------------------------------------------
+
+status_t BnSchedulingPolicyService::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch (code) {
+    case REQUEST_PRIORITY_TRANSACTION:
+        // Not reached
+        return NO_ERROR;
+        break;
+    default:
+        return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+}   // namespace android
-- 
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