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/*
* 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
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