| /* |
| * Copyright (C) 2018 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. |
| */ |
| |
| #pragma once |
| |
| #include <stdint.h> |
| #include <sys/cdefs.h> |
| |
| #include <android/binder_status.h> |
| |
| __BEGIN_DECLS |
| |
| /** |
| * This creates a threadpool for incoming binder transactions if it has not already been created. |
| * |
| * When using this, it is expected that ABinderProcess_setupPolling and |
| * ABinderProcess_handlePolledCommands are not used. |
| */ |
| void ABinderProcess_startThreadPool(); |
| /** |
| * This sets the maximum number of threads that can be started in the threadpool. By default, after |
| * startThreadPool is called, this is 15. If it is called additional times, it will only prevent |
| * the kernel from starting new threads and will not delete already existing threads. |
| */ |
| bool ABinderProcess_setThreadPoolMaxThreadCount(uint32_t numThreads); |
| /** |
| * This adds the current thread to the threadpool. This may cause the threadpool to exceed the |
| * maximum size. |
| */ |
| void ABinderProcess_joinThreadPool(); |
| |
| /** |
| * This gives you an fd to wait on. Whenever data is available on the fd, |
| * ABinderProcess_handlePolledCommands can be called to handle binder queries. |
| * This is expected to be used in a single threaded process which waits on |
| * events from multiple different fds. |
| * |
| * When using this, it is expected ABinderProcess_startThreadPool and |
| * ABinderProcess_joinThreadPool are not used. |
| * |
| * \param fd out param corresponding to the binder domain opened in this |
| * process. |
| * \return STATUS_OK on success |
| */ |
| __attribute__((weak)) binder_status_t ABinderProcess_setupPolling(int* fd) __INTRODUCED_IN(31); |
| |
| /** |
| * This will handle all queued binder commands in this process and then return. |
| * It is expected to be called whenever there is data on the fd. |
| * |
| * \return STATUS_OK on success |
| */ |
| __attribute__((weak)) binder_status_t ABinderProcess_handlePolledCommands() __INTRODUCED_IN(31); |
| |
| __END_DECLS |