You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
2.0 KiB
66 lines
2.0 KiB
6 years ago
|
/*
|
||
|
|
* Copyright 2015 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef ANDROID_PROCESS_INFO_SERVICE_H
|
||
|
|
#define ANDROID_PROCESS_INFO_SERVICE_H
|
||
|
|
|
||
|
|
#include <binder/IProcessInfoService.h>
|
||
|
|
#include <utils/Errors.h>
|
||
|
|
#include <utils/Singleton.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
namespace android {
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------
|
||
|
|
|
||
|
|
class ProcessInfoService : public Singleton<ProcessInfoService> {
|
||
|
|
|
||
|
|
friend class Singleton<ProcessInfoService>;
|
||
|
|
sp<IProcessInfoService> mProcessInfoService;
|
||
|
|
Mutex mProcessInfoLock;
|
||
|
|
|
||
|
|
ProcessInfoService();
|
||
|
|
|
||
|
|
status_t getProcessStatesImpl(size_t length, /*in*/ int32_t* pids, /*out*/ int32_t* states);
|
||
|
|
void updateBinderLocked();
|
||
|
|
|
||
|
|
static const int BINDER_ATTEMPT_LIMIT = 5;
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
/**
|
||
|
|
* For each PID in the given "pids" input array, write the current process state
|
||
|
|
* for that process into the "states" output array, or
|
||
|
|
* ActivityManager.PROCESS_STATE_NONEXISTENT * to indicate that no process with the given PID
|
||
|
|
* exists.
|
||
|
|
*
|
||
|
|
* Returns NO_ERROR if this operation was successful, or a negative error code otherwise.
|
||
|
|
*/
|
||
|
|
static status_t getProcessStatesFromPids(size_t length, /*in*/ int32_t* pids,
|
||
|
|
/*out*/ int32_t* states) {
|
||
|
|
return ProcessInfoService::getInstance().getProcessStatesImpl(length, /*in*/ pids,
|
||
|
|
/*out*/ states);
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------
|
||
|
|
|
||
|
|
}; // namespace android
|
||
|
|
|
||
|
|
#endif // ANDROID_PROCESS_INFO_SERVICE_H
|
||
|
|
|