upload android base code part6

android/system/libhidl/transport/HidlTransportSupport.cpp

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+#include <hidl/HidlTransportSupport.h>
+#include <hidl/HidlBinderSupport.h>
+
+namespace android {
+namespace hardware {
+
+void configureRpcThreadpool(size_t maxThreads, bool callerWillJoin) {
+    // TODO(b/32756130) this should be transport-dependent
+    configureBinderRpcThreadpool(maxThreads, callerWillJoin);
+}
+void joinRpcThreadpool() {
+    // TODO(b/32756130) this should be transport-dependent
+    joinBinderRpcThreadpool();
+}
+
+bool setMinSchedulerPolicy(const sp<::android::hidl::base::V1_0::IBase>& service,
+                           int policy, int priority) {
+    if (service->isRemote()) {
+        ALOGE("Can't set scheduler policy on remote service.");
+        return false;
+    }
+
+    if (policy != SCHED_NORMAL && policy != SCHED_FIFO && policy != SCHED_RR) {
+        ALOGE("Invalid scheduler policy %d", policy);
+        return false;
+    }
+
+    if (policy == SCHED_NORMAL && (priority < -20 || priority > 19)) {
+        ALOGE("Invalid priority for SCHED_NORMAL: %d", priority);
+        return false;
+    } else if (priority < 1 || priority > 99) {
+        ALOGE("Invalid priority for real-time policy: %d", priority);
+        return false;
+    }
+
+    details::gServicePrioMap.set(service, { policy, priority });
+
+    return true;
+}
+
+}
+}