1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #include <hidl/HidlTransportSupport.h>
17 #include <hidl/HidlBinderSupport.h>
18
19 #include <android/hidl/manager/1.0/IServiceManager.h>
20
21 namespace android {
22 namespace hardware {
23
configureRpcThreadpool(size_t maxThreads,bool callerWillJoin)24 void configureRpcThreadpool(size_t maxThreads, bool callerWillJoin) {
25 // TODO(b/32756130) this should be transport-dependent
26 configureBinderRpcThreadpool(maxThreads, callerWillJoin);
27 }
joinRpcThreadpool()28 void joinRpcThreadpool() {
29 // TODO(b/32756130) this should be transport-dependent
30 joinBinderRpcThreadpool();
31 }
32
setupTransportPolling()33 int setupTransportPolling() {
34 return setupBinderPolling();
35 }
36
handleTransportPoll(int)37 status_t handleTransportPoll(int /*fd*/) {
38 return handleBinderPoll();
39 }
40
setMinSchedulerPolicy(const sp<::android::hidl::base::V1_0::IBase> & service,int policy,int priority)41 bool setMinSchedulerPolicy(const sp<::android::hidl::base::V1_0::IBase>& service,
42 int policy, int priority) {
43 if (service->isRemote()) {
44 ALOGE("Can't set scheduler policy on remote service.");
45 return false;
46 }
47
48 if (policy != SCHED_NORMAL && policy != SCHED_FIFO && policy != SCHED_RR) {
49 ALOGE("Invalid scheduler policy %d", policy);
50 return false;
51 }
52
53 if (policy == SCHED_NORMAL && (priority < -20 || priority > 19)) {
54 ALOGE("Invalid priority for SCHED_NORMAL: %d", priority);
55 return false;
56 } else if (priority < 1 || priority > 99) {
57 ALOGE("Invalid priority for real-time policy: %d", priority);
58 return false;
59 }
60
61 details::gServicePrioMap.set(service, { policy, priority });
62
63 return true;
64 }
65
66 namespace details {
getPidIfSharable()67 int32_t getPidIfSharable() {
68 #if LIBHIDL_TARGET_DEBUGGABLE
69 return getpid();
70 #else
71 using android::hidl::manager::V1_0::IServiceManager;
72 return static_cast<int32_t>(IServiceManager::PidConstant::NO_PID);
73 #endif
74 }
75 } // namespace details
76
77 } // namespace hardware
78 } // namespace android
79