CN103677978B - A kind of method protected to process and electronic equipment - Google Patents

A kind of method protected to process and electronic equipment Download PDF

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Publication number
CN103677978B
CN103677978B CN201310747269.1A CN201310747269A CN103677978B CN 103677978 B CN103677978 B CN 103677978B CN 201310747269 A CN201310747269 A CN 201310747269A CN 103677978 B CN103677978 B CN 103677978B
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file
application program
protected
protection
current system
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CN103677978A (en
Inventor
曾茂林
焦新旺
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TCL Corp
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TCL Corp
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Abstract

A kind of method protected to process and electronic equipment are provided in the embodiment of the present invention, it is intended to are solved in the prior art it cannot be guaranteed that critical processes are from killed technical problem.Methods described includes:Process status is broadcasted in snoop-operations system;When receiving the broadcast of triggering process recovery, all states of a process in process list are monitored;If the process P in the process list meets that process kills condition, judge whether the process P is protected process by starting filter;If the process P is protected process, notice process manager module is abandoned killing the process P, otherwise, notifies the process manager module to kill the process P.Compared with prior art, method provided in an embodiment of the present invention can prevent special circumstances(For example, low memory or the process of operation are too many)When some critical processes be killed, therefore, serve the effect to needing process to be protected effectively to be protected.

Description

A kind of method protected to process and electronic equipment
Technical field
The invention belongs to Computer Applied Technology field, more particularly to a kind of method protected to process and electronics to set It is standby.
Background technology
Android is a kind of freedom based on Linux and the operating system of open source code, is mainly used for movement and sets It is standby, for example, smart mobile phone and tablet personal computer etc..At present, Android device category is various, and there is the production of oneself in each manufacturer Product and equipment.In order to which the product of oneself has the attraction of some particularization, the application of various customizations is added between each manufacturer. Because the application of these customizations is relative to customized product, there is special meaning, therefore, it is necessary to these customizations are applied Equipment ensures quick response forever when running, and forms good Consumer's Experience.
Process is the program entity being currently running, and all system resources occupied in the program including this operation, For example, CPU(Register), I/O, internal memory and Internet resources etc..One of function of operating system is that process is managed, and is improved CPU utilization rate, makes CPU be fully utilized.For Android as a kind of operating system, management of process is also its function One.However, freedom and characteristic of increasing income due to Android, existing Android management of process mechanism does not possess this to fixed Inhibition and generation application program(Or process)The ability protected, this kind of process for customizing application is caused to be easy in running background It can be removed by Android management of process mechanism, when next time starts, the load time is long, and operational efficiency is excessively slow, causes bad Consumer's Experience.
Currently in order to overcoming the disadvantages mentioned above of Android management of process mechanism, a kind of method that prior art provides is pin To possible killed process, its Status Level is improved, in this way, during kill process, can be killed preferentially. For example, can be by the rank of process by backstage(background)It is promoted to prospect(foreground), which improves enter The priority of journey, during kill process, foreground process is not killed preferentially.
However, on the less machine of some internal memories, the method for above-mentioned prior art offer, the higher process of Status Level Still killed danger can be faced, actually can not thoroughly protect these processes.
The content of the invention
It is an object of the invention to provide a kind of method protected to process and electronic equipment, it is intended to solves existing skill It cannot be guaranteed that critical processes are from killed technical problem in art.
The present invention is achieved in that a kind of method protected to process, and methods described includes:
Process status is broadcasted in snoop-operations system;
When receiving the broadcast of triggering process recovery, all states of a process in process list are monitored;
If the process P in the process list meets that process kills condition, the process P is judged by starting filter Whether it is protected process;
If the process P is protected process, notice process manager module is abandoned killing the process P, otherwise, notice The process manager module kills the process P.
Another object of the present invention is to provide a kind of electronic equipment protected to process, the electronic equipment bag Include:
Broadcast listening module, broadcasted for process status in snoop-operations system;
Monitoring module, for when receiving the broadcast of triggering process recovery, entering to all states of a process in process list Row monitoring;
Judge module, if meeting that process kills condition for the process P in the process list, by starting filter Judge whether the process P is protected process;
Notification module, if being protected process for the process P, notice process manager module is abandoned entering described in kill Journey P, otherwise, the process manager module is notified to kill the process P.
It was found from the embodiments of the present invention, even if when some process meets that process kills condition, directly will be not It is killed, but is started filter and judged whether the process is that protected process is further, is only judging the process It is not after protected process, just notifies process manager module to kill the process.Compared with prior art, the embodiment of the present invention provides Method can prevent special circumstances(For example, low memory or the process of operation are too many)When some critical processes killed Extremely, therefore, the effect to needing process to be protected effectively to be protected is served.
Brief description of the drawings
Fig. 1-a are the implementation process schematic diagrames of the method provided in an embodiment of the present invention protected to process;
When Fig. 1-b are that the process P provided in an embodiment of the present invention in process list meets that process kills condition, by opening Dynamic filter judge process P whether be protected process implementation process schematic diagram;
The structural representation of Fig. 2 electronic equipments provided in an embodiment of the present invention protected to process;
Fig. 3 is the structural representation for the electronic equipment protected to process that another embodiment of the present invention provides;
Fig. 4 is the structural representation for the electronic equipment protected to process that another embodiment of the present invention provides;
Fig. 5 is the structural representation for the electronic equipment protected to process that another embodiment of the present invention provides;
Fig. 6-a are the structural representations for the electronic equipment protected to process that another embodiment of the present invention provides;
Fig. 6-b are the structural representations for the electronic equipment protected to process that another embodiment of the present invention provides;
Fig. 6-c are the structural representations for the electronic equipment protected to process that another embodiment of the present invention provides.
Embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only explaining this hair It is bright, it is not intended to limit the present invention.
The embodiment of the present invention provides a kind of method and electronic equipment of protection process, and methods described includes:Snoop-operations system Process status is broadcasted in system;When receiving the broadcast of triggering process recovery, all states of a process in process list are supervised Control;If the process P in the process list meets that process kills condition, by starting whether filter judges the process P For protected process;If the process P is protected process, notice process manager module is abandoned killing the process P, no Then, the process manager module is notified to kill the process P.The electronics that the embodiment of the present invention also provides corresponding protection process is set It is standby.It is described in detail individually below.
Accompanying drawing 1-a is referred to, is the implementation process of the method provided in an embodiment of the present invention protected to process, it can With the mobile terminal applied to use android operating systems, for example, mobile phone or tablet personal computer etc..Accompanying drawing 1-a examples to entering The method of Cheng Jinhang protections mainly includes the following steps that S101 to step S104:
S101, the process status broadcast in snoop-operations system.
By taking android operating systems as an example, the embodiment of the present invention is by Activity management services(Manager Service)Carry out the broadcast of monitor process state, ActivityManagerService is a kind of pipe that android runs on backstage Manage activity(Activity is a responsible component with user mutual in android operating systems)Service, it can be with Process status broadcast is monitored.
S102, when receiving the broadcast of triggering process recovery, all states of a process in process list are monitored.
In embodiments of the present invention, when the process run when low memory or currently is too many, then process recovery is triggered Broadcast, it is desirable to kill some processes.
Exemplified by being broadcasted mentioned by ActivityManagerService monitor process state, triggering process is being listened to During the broadcast of recovery, ActivityManagerService starts to be monitored all states of a process in process list.Tool Body, can be that ActivityManagerService calls updateOomAdjLocked in android operating systems() Process corresponding to function pair activity carries out condition monitoring.
S103, if the process P in process list meets that process kills condition, judge the process by starting filter Whether P is protected process.
In the embodiment of the present invention, process P is some process in process list.Process P meets that process kills condition, such as Can be that the internal memory that process P takes is excessive, priority is relatively low or process P is current numerous operations in the case of low memory Any one process in process, etc..Unlike the prior art, even if process P meets that process kills condition, nor directly Kill process P, but by starting filter, whether it is that protected process judges to process P.
As one embodiment of the invention, when the process P in process list meets that process kills condition, by starting Filter judges whether process P is that protected process see accompanying drawing 1-b, mainly comprises the following steps S1031 to step S1034:
S1031, judge in current system with the presence or absence of protection process file.
In embodiments of the present invention, it is an extensible markup language being stored in file system to protect process file (Extensible markup language, xml)Text, content therein can be defined by developer.Protection process File is made up of multiple nodes, the process of each one need application program to be protected of node on behalf, and this node is by multiple Element forms, and these elements represent the attribute of process, the attribute i.e. progress information of process, mainly including application name, Bag name, activity names and process number etc..For example, a node of protection process file is described as follows using xml:
<app>
<name>mediaplayer</name>
<pkg>com.tcl.mediaplayer</pkg>
<activity>com.tcl.mediaplayer.mainActivity</activity>
<pid>35241</pid>
</app>
Wherein,<app></app>It is a node, represents a shielded application program,<name></name>Being should With name,<pkg></pkg>It is an element, represents the bag name of this application program of mediaplayer,<activity></ activity>For this application program launching when first activity, that is, this application main interface,<pid></ pid>This element represents the process number of mediaplayer this application program in the machine.
Because protection process file is typically to be stored in storage system with xml document form, defined storing path, such as In flash, therefore, as one embodiment of the invention, judge in current system with the presence or absence of protection process file can be Defined protection process file storing path searches protection process file, if in the defined protection process file storing path The protection process file is found, then judges protection process file in current system be present, otherwise, judges in current system not In the presence of protection process file.Specifically, for android operating systems, File.exist methods can be called to judge current system Process file is protected to whether there is in system.If judging to protect process file to exist in current system, step is directly entered S1033。
If protection process file is not present, illustrate it is to carry out the operation of kill process first, it is necessary to generate in systems One protection process file, i.e. flow enter step S1032.
S1032, if protection process file is not present in current system, generation protection process file.
Specifically, if protection process file is not present in current system, generation protection process file comprises the following steps S10321 to S13022:
S10321, the installation kit that application program has been installed in current system is parsed, to know that described installed should With shielded application program in program.
As one embodiment of the invention, the installation kit that application program has been installed in current system is parsed, to obtain Having installed shielded application program in application program described in knowing can be:Application program apk has been installed in parsing current system Installation kit, to have installed application program apk AndroidManifest.xml files described in obtaining;Parsed using xml document Device parses to the AndroidManifest.xml files for having installed application program apk, is answered with having been installed described in acquisition With the protected field of program apk AndroidManifest.xml files;If described installed application program apk's The value of the protected field of AndroidManifest.xml files is logic " true ", then having installed application program apk described in confirmation is Shielded application program.
By taking android operating systems as an example, the installation kit that application program apk has been installed in current system is parsed, to obtain The AndroidManifest.xml files for having installed application program apk can specifically pass through Method getInstalledPackages methods in PackageManagerService obtain all on mobile terminal installed Application program apk bag name, for each installation kit, by wrapping name, PackageManagerService can be called Package.scanPackageLI()The installation kit that function pair has each installed application program is parsed.Implement in the present invention In example, Package.scanPackageLI()Function can parse the pack arrangement for having installed application program apk, and will can wrap Structure is saved in PackageParser.Package objects, is then got from PackageParser.Package objects The information of application program apk AndroidManifest.xml files has been installed.Due to AndroidManifest.xml files It is the xml document of a standard, therefore, has installed application program apk's to described using xml document resolver AndroidManifest.xml files are parsed, to have installed application program apk's described in acquisition The protected field of AndroidManifest.xml files can use the xml document resolver of standard to having installed application program Apk AndroidManifest.xml files are parsed, and get all passes of the AndroidManifest.xml files Key field, including the protected field of the AndroidManifest.xml files for having installed application program apk.If should The value of protected field is logic " true "(true), then confirm that it is shielded that application program apk has been installed in the current system Application program.
S10322, the progress information of all shielded application programs is preserved into a file to form the protection Process file.
For android operating systems, if confirming, it is shielded application program to have installed application program apk, in life Into protection process file be file AndroidManifest.xml when, protection process file application section in add protect word Section<meta-data android:name=“process_protect”android:value=“true”>, wherein android: value=“true”(Logic " true ")Represent that this application program is shielded application program, android:value=“false” (Logic "false")Or without this critical field, then it represents that this application program is the application program without protection.
Once confirm that some application programs of having installed are shielded application program, then by all these shielded applications The progress information of program is preserved into a file to be protected in process file with being formed, in case next time directly solves when calling filter Analyse these protection process files.It is main as the progress information of application program, that is, the attribute of the process of previous embodiment description To include application name, bag name, activity names and process number etc., specifically see previous embodiment.
S1033, process P progress information is generated with already present protection process file or by step S1032 Progress information in protection process file is matched.
S1034, if process P progress information and already present protection process file or being generated by step S1032 Any progress information successful match in process file is protected, then judges that process P for protected process, otherwise, judges process P not For protected process.
So-called process P progress information and already present protection process file or the protection generated by step S1032 Any progress information successful match in process file, refer to be present in already present guarantor through overmatching, process P progress information In shield process file or the protection process file generated by step S1032.
S104, if judging process P in step S103 for protected process, notice process manager module is abandoned described in kill Process P, otherwise, the process manager module is notified to kill the process P.
For android operating systems, the function of process manager module can be by previous embodiment ActivityManagerService is realized.
The method protected to process provided from the embodiments of the present invention, even if meeting that process is killed in some process It is not directly to be killed during dead condition, but starts whether filter is that protected process is done further to the process Judge, only after judging the process not for protected process, just notify process manager module to kill the process.With prior art Compare, method provided in an embodiment of the present invention can prevent special circumstances(For example, low memory or the process of operation are too It is more)When some critical processes be killed, therefore, serve the effect to needing process to be protected effectively to be protected.
It should be noted that in the step S103 of the example of accompanying drawing 1, S1032 is automatically generated the implementation of protection process file Example, in an alternative embodiment of the invention, can also manually generate protection process file.It is different from automatically generating protection process file , it is the interface that user's selection bag name or application name are opened firstly the need of user to manually generate protection process file, is selected Application name or bag name are selected, the application program that system selects according to user, currently available memory size is calculated and subtracts user's choosing Whether the size of internal memory summation shared by the application program selected is more than reserved memory size(The reserved memory size can by user or Research staff sets a fixed value, for ensuring that machine has enough internal memories to run application program), when currently available memory size When subtracting the size of internal memory summation shared by the application program of user's selection more than reserved memory size, traverse user selects every Progress information corresponding to individual application program, untill the quantity of the application program of traversal is more than the value that some is previously set.Its Follow-up knowing has installed shielded application program in application program and has believed the process of all shielded application programs Breath is preserved into a file to form the process for protecting process file and the foregoing process phase for automatically generating protection process file Together, do not repeat.
Accompanying drawing 2 is referred to, is the structural representation of the electronic equipment provided in an embodiment of the present invention protected to process. For convenience of description, it illustrate only the part related to the embodiment of the present invention.The electronics protected to process of the example of accompanying drawing 2 Equipment mainly includes broadcast listening module 201, monitoring module 202, judge module 203 and notification module 204, and each functional module is detailed Carefully it is described as follows:
Broadcast listening module 201, broadcasted for process status in snoop-operations system.
Monitoring module 202, for when broadcast listening module 201 by monitor, receive triggering process recovery broadcast when, it is right All states of a process are monitored in process list.
Judge module 203, if meeting that process kills condition for the process P in the process list, by starting Filter judges whether the process P is protected process;
Notification module 204, if judging that the process P for protected process, notifies management of process for judge module 203 Module is abandoned killing the process P, otherwise, notifies the process manager module to kill the process P.
It should be noted that in the embodiment of the electronic equipment protected to process of the example of the figures above 2, each work( The division of energy module is merely illustrative of, can be as needed in practical application, such as the configuration requirement of corresponding hardware or soft The convenient consideration of the realization of part, and above-mentioned function distribution is completed by different functional modules, described process will be protected The internal structure of the electronic equipment of shield is divided into different functional modules, to complete all or part of function described above. Moreover, in practical application, the corresponding functional module in the present embodiment can be realized by corresponding hardware, can also be by corresponding Hardware perform corresponding software and complete, can have to perform foregoing to work as broadcast listening module for example, foregoing monitoring module (Or on-air monitor)By monitoring, when receiving the broadcast of triggering process recovery, all states of a process in process list are entered The hardware of row monitoring, such as monitor or corresponding computer program is able to carry out so as to complete the general of foregoing function Processor or other hardware devices;Judge module as the aforementioned again, if can have to perform in the foregoing process list Process P meet process kill condition, then judge whether the process P is the hard of protected process function by starting filter Part, for example, determining device or be able to carry out corresponding computer program so as to complete the general processor of foregoing function or Other hardware devices(Each embodiment that this specification provides can all apply foregoing description principle).
The judge module 203 of the example of accompanying drawing 2 can include the first judging unit 301, generation unit 302, matching unit 303 With the second judging unit 304, the electronic equipment protected to process that another embodiment of the present invention provides as shown in Figure 3, Wherein:
First judging unit 301, for judging in current system with the presence or absence of protection process file;
Generation unit 302, if judging protection process file is not present in current system for the first judging unit 301, Generation protection process file;
Matching unit 303, for the progress information of the process P to be protected into process file or the life with already present Into protection process file in progress information matched;
Second judging unit 304, if progress information and already present protection process file or institute for the process P Any progress information successful match in the protection process file of generation is stated, then judges the process P for protected process, it is no Then, judge the process P not for protected process.
The generation unit 302 of the example of accompanying drawing 3 can include the first resolution unit 401 and storage unit 402, such as the institute of accompanying drawing 4 Show the electronic equipment protected to process that another embodiment of the present invention provides, wherein:
First resolution unit 401, for being parsed to the installation kit that application program has been installed in current system, to know It is described that shielded application program in application program has been installed;
Storage unit 402, for the progress information of all shielded application programs to be preserved into a file To form the protection process file.
First resolution unit 401 of the example of accompanying drawing 4 can include the second resolution unit 501, the 3rd resolution unit 502 and really Recognize unit 503, the electronic equipment protected to process that another embodiment of the present invention provides as shown in Figure 5, wherein:
Second resolution unit 501, application program apk installation kit has been installed for parsing, to obtain in current system State the AndroidManifest.xml files that application program apk has been installed in current system;
3rd resolution unit 502, for using xml document resolver to having installed application program in the current system Apk AndroidManifest.xml files are parsed, and have installed application program apk's in the current system to obtain The protected field of AndroidManifest.xml files;
Confirmation unit 503, if for having installed application program apk's in the current system The value of the protected field of AndroidManifest.xml files is logic " true ", then confirms to have installed in the current system and answer It is shielded application program with program apk.
First judging unit 301 of accompanying drawing 3 to any example of accompanying drawing 5 can include searching unit 601, such as accompanying drawing 6-a extremely The electronic equipment protected to process of accompanying drawing 6-c any examples.Searching unit 601 is used in defined protection process file Storing path searches the protection process file, if finding the protection in the defined protection process file storing path Process file, then judge protection process file be present, otherwise, judge protection process file is not present.
It should be noted that the content such as information exchange, implementation procedure between each module/unit of said apparatus, due to The inventive method embodiment is based on same design, and its technique effect brought is identical with the inventive method embodiment, particular content Reference can be made to the narration in the inventive method embodiment, here is omitted.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable recording medium, storage Medium can include:Read-only storage(ROM, Read Only Memory), random access memory(RAM, Random Access Memory), disk or CD etc..
A kind of being protected to the process and electronic equipment provided above the embodiment of the present invention has carried out detailed Jie Continue, specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is only It is the method and its core concept for being used to help understand the present invention;Meanwhile for those of ordinary skill in the art, according to this hair Bright thought, there will be changes in specific embodiments and applications, in summary, this specification content should not manage Solve as limitation of the present invention.

Claims (8)

  1. A kind of 1. method protected to process, it is characterised in that methods described includes:
    Process status broadcast in snoop-operations system;
    When receiving the broadcast of triggering process recovery, all states of a process in process list are monitored;
    If the process P in the process list meet process kill condition, do not kill the process P directly and by starting Filter judges whether the process P is protected process;
    If the process P is protected process, notice process manager module is abandoned killing the process P, otherwise, described in notice Process manager module kills the process P;
    Wherein, if the process P in the process list meets that process kills condition, by starting described in filter judgement Whether process P is protected process, including:
    Judge in current system with the presence or absence of protection process file;
    If protection process file is not present in current system, generation protection process file;
    By in the progress information of the process P and already present protection process file or the protection process file of the generation Progress information is matched;
    If in the progress information of the process P and already present protection process file or the protection process file of the generation Any progress information successful match, then the process P is judged for protected process, otherwise, judge the process P not to be protected Process.
  2. 2. the method as described in claim 1, it is characterised in that if it is described be not present protection process file, generation protect into Journey file, including:
    The installation kit that application program has been installed in current system is parsed, to know that described installed in application program is protected The application program of shield;
    The progress information of all shielded application programs is preserved into a file to form the protection process text Part.
  3. 3. method as claimed in claim 2, it is characterised in that the installation kit to having installed application program in current system Parsed, with know it is described shielded application program in application program has been installed, including:
    Application program apk installation kit has been installed in parsing current system, installed with obtaining in the current system using journey Sequence apk AndroidManifest.xml files;
    It is literary to the AndroidManifest.xml that application program apk has been installed in the current system using xml document resolver Part is parsed, to obtain the guarantor for the AndroidManifest.xml files that application program apk has been installed in the current system Protect field;
    If the value of the protected field of application program apk AndroidManifest.xml files is installed in the current system For logic " true ", then confirm that it is shielded application program that application program apk has been installed in the current system.
  4. 4. the method as described in claims 1 to 3 any one, it is characterised in that described to judge whether protection process text Part includes:
    The protection process file is searched in defined protection process file storing path, if in the defined protection process text Part storing path finds the protection process file, then judge exist protection process file, otherwise, judge be not present protect into Journey file.
  5. 5. a kind of electronic equipment protected to process, it is characterised in that the electronic equipment includes:
    Broadcast listening module, broadcasted for process status in snoop-operations system;
    Monitoring module, for when receiving the broadcast of triggering process recovery, being supervised to all states of a process in process list Control;
    Judge module, if meeting that process kills condition for the process P in the process list, the process is not killed directly P and judge whether the process P is protected process by starting filter;
    Notification module, if being protected process for the process P, notice process manager module is abandoned killing the process P, Otherwise, the process manager module is notified to kill the process P;
    Wherein, the judge module includes:
    First judging unit, for judging in current system with the presence or absence of protection process file;
    Generation unit, if for protection process file, generation protection process file to be not present in current system;
    Matching unit, for by the progress information of the process P with it is already present protection process file or the generation guarantor Progress information in shield process file is matched;
    Second judging unit, if progress information and already present protection process file or the generation for the process P Protection process file in any progress information successful match, then judge the process P for protected process, otherwise, judgement The process P is not protected process.
  6. 6. electronic equipment as claimed in claim 5, it is characterised in that the generation unit includes:
    First resolution unit, for being parsed to the installation kit that application program has been installed in current system, with know it is described Shielded application program in application program is installed;
    Storage unit, for the progress information of all shielded application programs to be preserved into a file to be formed State protection process file.
  7. 7. electronic equipment as claimed in claim 6, it is characterised in that first resolution unit includes:
    Second resolution unit, application program apk installation kit is installed for parsing in current system, to obtain the current system Application program apk AndroidManifest.xml files have been installed in system;
    3rd resolution unit, for using xml document resolver to having installed application program apk's in the current system AndroidManifest.xml files are parsed, and have installed application program apk's in the current system to obtain The protected field of AndroidManifest.xml files;
    Confirmation unit, if AndroidManifest.xml files for having installed application program apk in the current system The value of protected field is logic " true ", then confirms that application program apk has been installed in the current system applies journey to be shielded Sequence.
  8. 8. the electronic equipment as described in claim 5 to 7 any one, it is characterised in that first judging unit includes:
    Searching unit, for searching the protection process file in defined protection process file storing path, if in the rule Fixed protection process file storing path finds the protection process file, then judges protection process file be present, otherwise, sentence It is disconnected that protection process file is not present.
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