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Diffstat (limited to 'include/binder/ProcessInfoService.h')
-rw-r--r-- | include/binder/ProcessInfoService.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/binder/ProcessInfoService.h b/include/binder/ProcessInfoService.h new file mode 100644 index 0000000..c5ead20 --- /dev/null +++ b/include/binder/ProcessInfoService.h @@ -0,0 +1,65 @@ +/* + * 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 + |