CN106681822A - Signal-based progress freezing and unfreezing device and signal-based progress freezing and unfreezing method - Google Patents
Signal-based progress freezing and unfreezing device and signal-based progress freezing and unfreezing method Download PDFInfo
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- CN106681822A CN106681822A CN201710039783.8A CN201710039783A CN106681822A CN 106681822 A CN106681822 A CN 106681822A CN 201710039783 A CN201710039783 A CN 201710039783A CN 106681822 A CN106681822 A CN 106681822A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
- G06F9/485—Task life-cycle, e.g. stopping, restarting, resuming execution
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Abstract
The invention discloses a signal-based progress freezing and unfreezing device and a signal-based progress freezing and unfreezing method, and relates to the technical field of mobile terminals. The device comprises a state collection module, a freezing judgment module, a progress number acquiring module and an unfreezing module. The state collection module is used for collecting the operation state of a first application progress through a freezing control center. The freezing judgment module is used for judging whether the first application progress meets preset freezing conditions or not, and if yes, freezing all threads in the first application progress through a system kernel. When a second application progress sends a communication request to the first application progress, the progress number acquiring module acquires a progress number of the first application progress and sends the progress number to the system kernel. The system kernel unfreezes the corresponding first application progress according to the progress number through the unfreezing module. The system kernel is controlled through signals to freeze all the threads in the application progress, and when the other application progress sends the communication request, the application progress is unfrozen by the other application progress, so that timely unfreezing of the application progress is achieved while the freezing effect is maximized.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of process based on signal freeze with thawing apparatus and
Method.
Background technology
Android phone can run any application (APK) based on its API exploitation, and this open degree of freedom is very
Greatly：One application run-can carry out advertisement pushing, collect User Status etc. on backstage according to the wish of its designer, but
It is that these behaviors are not necessarily user and want, CPU can be also taken on the contrary, increased power consumption, affected Consumer's Experience.Process is freezed
A kind of preferable background application way to manage.It identifies the process that there is no need to run for a user, and it is hung up, and forbids
Its operation, thaws again when user really needs this process, resumes operation.
The mode that process is freezed has various, and operating system nucleus kernel itself supports that a kind of signal control process stops
With the mode recovered, can the effect freezed of the process of accomplishing.But this mode is freezing, in process with process as ultimate unit
All threads, including including the Binder threads for external communication, all can be frozen, wherein, binder threads are a species
Like the structure of C/S, in once communicating, the one end for initiating communication is client；The one end for processing communication request is then server
End.Server can distribute a binder thread to process to each from the communication request of client；It is frozen in process
During knot, if not carrying out special handling, the Binder communications between process are blocked and can cause equipment without response, or software crash.
The content of the invention
Present invention is primarily targeted at propose that a kind of process based on signal is freezed and defrosting device and method, by letter
Number control system kernel all freezes all threads in application process, and when there is other application process communication request is sent
When, thawed the application process by other application process, having reached, freezing efficiency is maximized simultaneously, realizes application process
Timely defrosting.
For achieving the above object, a kind of process based on signal that the present invention is provided is freezed and thawing apparatus, including：
State acquisition module, for gathering the running status of the first application process by freezing control centre；
Module is freezed in judgement, for judging whether first application process meets default freezing condition, if so, then leads to
Cross all threads that system kernel freezes in first application process；
Process number acquisition module, during for the second application process to first application process transmission communication request, second
Application process obtains the process number of the first application process, and the process number is sent to system kernel；
Defrosting module, for system kernel according to corresponding first application process of process number defrosting.
Alternatively, also include：
Binder communication modules, for the first application process and the second application process binder communications are set up；Second application
One binder thread of course allocation carries out communication and is connected with first application process, and entering first application process
Journey number is preserved into the binder threads.
Alternatively, the process number acquisition module includes：
First acquisition unit, for by being communicated with first application process in inquiry second application process
Binder threads obtain the first application process process number.
Alternatively, the process number acquisition module also includes：
Second acquisition unit, leads to for setting up binder first when second application process and first application process
During news, the process number of first application process is obtained by system framework.
Alternatively, it is described all threads in first application process are freezed by system kernel to be specially：
First application process to system kernel sends freeze signal, and system kernel freezes the institute in first application process
There is thread；
Correspondingly, the system kernel is specially according to corresponding first application process of process number defrosting：
Second application process to system kernel sends defrosting signal, and the defrosting signal includes first application process
Process number, system kernel is according to corresponding first application process of process number defrosting.
As another aspect of the present invention, there is provided a kind of process based on signal freeze and defreezing method, including：
Freeze the running status that control centre gathers the first application process；
Judge whether first application process meets default freezing condition, if so, then institute freezed by system kernel
State all threads in the first application process；
When second application process is to first application process transmission communication request, the second application process obtains first and applies
The process number of process, and the process number is sent to system kernel；
System kernel is according to corresponding first application process of process number defrosting.
Alternatively, when second application process is to first application process transmission communication request, the second application process
The process number of the first application process is obtained, and the process number is sent also is included to before system kernel：
First application process and the second application process set up binder communications；
Second application process, one binder thread of distribution carries out communication and is connected with first application process, and will be described
The process number of the first application process is preserved into the binder threads.
Alternatively, the process number of the first application process of the second application process acquisition includes：
The binder threads communicated with first application process in by inquiring about second application process are obtained
The process number of the first application process.
Alternatively, the process number of the first application process of the second application process acquisition also includes：
When second application process and first application process set up first binder to be communicated, by system framework
Obtain the process number of first application process.
Alternatively, it is described all threads in first application process are freezed by system kernel to be specially：
First application process to system kernel sends freeze signal, and system kernel freezes the institute in first application process
There is thread；
Correspondingly, the system kernel is specially according to corresponding first application process of process number defrosting：
Second application process to system kernel sends defrosting signal, and the defrosting signal includes first application process
Process number, system kernel is according to corresponding first application process of process number defrosting.
A kind of process based on signal proposed by the present invention is freezed and defrosting device and method, and the device includes：State is adopted
Collection module, for gathering the running status of the first application process by freezing control centre；Module is freezed in judgement, for judging
State whether the first application process meets default freezing condition, if so, then first application process freezed by system kernel
Interior all threads；Process number acquisition module, during for the second application process to first application process transmission communication request,
Second application process obtains the process number of the first application process, and the process number is sent to system kernel；Defrosting module, uses
In system kernel according to corresponding first application process of process number defrosting, application is entered by whistle control system kernel
All threads in journey all freeze, and when there is other application process to send communication request, being thawed by other application process should
Application process, freezing efficiency is maximized simultaneously having reached, and realizes the timely defrosting of application process.
Description of the drawings
Fig. 1 is the hardware architecture diagram of the mobile terminal for realizing each embodiment of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is that a kind of process based on signal that the embodiment of the present invention one is provided is freezed and thawing apparatus demonstrative structure frame
Figure；
Fig. 4 is that the first application process that the embodiment of the present invention one is provided freezes schematic flow sheet；
Fig. 5 is the first application process defrosting schematic flow sheet that the embodiment of the present invention one is provided；
Fig. 6 is that a kind of process based on signal that the embodiment of the present invention two is provided is freezed and thawing apparatus demonstrative structure frame
Figure；
Fig. 7 is that a kind of process based on signal that the embodiment of the present invention three is provided is freezed and defrosting method flow diagram；
Fig. 8 is that a kind of process based on signal that the embodiment of the present invention four is provided is freezed and defrosting method flow diagram.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for be conducive to the present invention explanation, itself
Not specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desk computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the mobile terminal for realizing each embodiment of the invention is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, user input unit 130, output unit 150, memorizer
160th, interface unit 170, controller 180 and power subsystem 190 etc..Fig. 1 shows the mobile terminal with various assemblies, but
It is to should be understood that, it is not required that implement all components for illustrating.More or less of component can alternatively be implemented.Will be under
Face describes the element of mobile terminal in detail.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal generated before the server or reception of broadcast singal and/or broadcast related information and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is receiving.Broadcast singal can be present in a variety of manners, and for example, it can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), Radio Data System, the received terrestrial digital broadcasting integrated service of forward link media (MediaFLO@)
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memorizer 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can include WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
Tooth TM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee TM etc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 is calculated from three or more satellites
Range information and correct time information and for calculate Information application triangulation, so as to according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, the method for calculating position and temporal information is defended using three
The error of star and the position that calculated by using other satellite correction and temporal information.Additionally, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection is due to the sensitive component of the change of touched and caused resistance, pressure, electric capacity etc.), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon in the form of layer on display module 151, touch screen can be formed.
Interface unit 170 is connected the interface that can pass through with mobile terminal 1 00 as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for device of the connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage uses each of mobile terminal 1 00 for verifying user
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected via port or other attachment means with mobile terminal 1 00.Interface unit 170 can be used for receive from
The input (for example, data message, electric power etc.) of external device (ED) and the input for receiving is transferred in mobile terminal 1 00
One or more elements can be used for the transmission data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing to pass through it by electricity
Power from base provide to mobile terminal 1 00 path or can serve as allow from base be input into various command signals pass through its
It is transferred to the path of mobile terminal.Can serve as recognizing that mobile terminal is from the various command signals or electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio frequency and/or tactile manner
Go out signal (for example, audio signal, video signal, alarm signal, vibration signal etc.).
Output unit 150 can include dio Output Modules 152 etc..
Dio Output Modules 152 can mobile terminal in call signal reception pattern, call mode, logging mode,
It is that wireless communication unit 110 is received or in memorizer 160 when under the isotypes such as speech recognition mode, broadcast reception mode
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is performed.
Dio Output Modules 152 can include speaker, buzzer etc..
Memorizer 160 can store software program for the process and control operation performed by controller 180 etc., Huo Zheke
With the data (for example, telephone directory, message, still image, video etc.) for temporarily storing own Jing outputs or will export.And
And, memorizer 160 can be storing the vibration of various modes with regard to exporting when touching and being applied to touch screen and audio signal
Data.
Memorizer 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memorizer (for example, SD or DX memorizeies etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memorizer with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
The related control of communication, video calling etc. and process.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 1810 of volume data, multi-media module 1810 can be constructed in controller 180, or is so structured that and control
Device processed 180 is separated.Controller 180 can be with execution pattern identifying processing, by the handwriting input for performing on the touchscreen or figure
Piece draws input and is identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Appropriate electric power needed for part and component.
Various embodiments described herein can be with using such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implementing.For hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
Implementing, in some cases, such embodiment can be implemented at least one in electronic unit in controller 180.
For software is implemented, the embodiment of such as process or function can with allow to perform the single of at least one function or operation
Software module is implementing.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, software code can be stored in memorizer 160 and be performed by controller 180.
So far, own Jing describes mobile terminal according to its function.Below, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is used as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
As shown in Figure 1 mobile terminal 1 00 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operating.
The communication system that mobile terminal wherein of the invention is operable to is described referring now to Fig. 2.
Such communication system can use different air interface and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base stations (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
If any one that back haul link can be in the interface that Ganji knows is constructing, the interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that as shown in Figure 2 system can include multiple BSC2750.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion that line is covered is radially away from BS270.Or, each subregion can by for diversity reception two or more
Antenna is covered.Each BS270 may be constructed such that the multiple frequency distribution of support, and each frequency distribution has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed intersects can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal operated in system
100.As shown in Figure 1 broadcasting reception module 111 is arranged at mobile terminal 1 00 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.As shown in Figure 1 GPS module 115 is generally configured to coordinate to obtain the positioning wanted letter with satellite 300
Breath.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use can track the position of mobile terminal other
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
Used as a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of the reception of certain base station 270 is anti-
Processed in specific BS270 to link signal.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of the coordination including the soft switching process between BS270.BSC275 is also by the number for receiving
According to MSC280 is routed to, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, the inventive method each embodiment is proposed.
Embodiment one
As shown in figure 3, in the present embodiment, a kind of process based on signal is freezed and thawing apparatus, including：
State acquisition module 10, for gathering the running status of the first application process by freezing control centre；
Module 20 is freezed in judgement, for judging whether first application process meets default freezing condition, if so, then
All threads in first application process are freezed by system kernel；
Process number acquisition module 30, during for the second application process to first application process transmission communication request, the
Two application processes obtain the process number of the first application process, and the process number is sent to system kernel；
Defrosting module 40, for system kernel according to corresponding first application process of process number defrosting.
In the present embodiment, all threads in application process are all freezed by whistle control system kernel, when
When having other application process to send communication request, thawed the application process by other application process, reaching freezing efficiency
It is maximized simultaneously, realize the timely defrosting of application process.
In the present embodiment, the first application process is that the process freezed and thaw operation is performed in this case, the second application
Process is to think that the first application process sends other processes of communication request after the first application process is freezed, and is also to help first to answer
Some process thawed with process, wherein " first ", " second ", only to facilitate two different application processes are distinguished,
It is not to refer in particular to some application process, nor a kind of restriction of application processes, and the first application process and the second application
The identity of process can be exchanged, that is, when the second application process is frozen, it is also possible to please by the communication of the first application process
Ask and the second application process is thawed.
In the present embodiment, the freeze operation of the first application process is completed by system kernel kernel, and as shown in Figure 4
One application process freeze operation schematic diagram, wherein, freeze control centre for gather the first application process running status, it is described
Running status includes the relevant information and system environmental information of the first application process, and according to these information the first application process is judged
Whether default freezing condition is met, and if so, then the first application process sends freeze signal SIGSTOP, system to system kernel
All threads in first application process described in interior nuclear freeze, including communication thread therein, such as binder threads, it is this to be based on
Method of the system kernel signal to be freezed, can all freeze all threads in process, reach the maximization of freezing efficiency,
But in this case, the first application process will be unable to actively be communicated with other application process, cannot also pass through connection
Cheng Jinhang thaws and operates, for this purpose, then needing additive method to be thawed.
In the present embodiment, if the first application process is unsatisfactory for default freezing condition, time delay is to meeting freezing condition
Send freeze signal SIGSTOP to system kernel again.
In the present embodiment, the process number acquisition module includes：
First acquisition unit, for by being communicated with first application process in inquiry second application process
Binder threads obtain the first application process process number.
In the present embodiment, since the first application process and the second application process can occur communication request, exist between the two
Before first application process is freezed, such as when the first application process installation initialization, will be possible to produce with it
Produce communication connection first between interactive other application process (map application to be for example installed (to enter equivalent to the second application
Journey) when, all can apply the very first time reading the geographical position of user to GPS module (equivalent to first application process)), if
When first application process is initialized, do not have to set up communication with some application processes and be connected, then afterwards also will not or very little can
Communication can be set up with this some application processes again to be connected, this application process will not or very little may become in this case the
Two application processes；Based on this, it can be understood as, communicate when the second application process in this case sends to first application process
During request, it may be determined that communication connection was had built up before the second application process and the first application process, and passes through to build in advance
Vertical communication connection can obtain the process number of the first application process, so as to confirm the identity of the first application process, by second
Application process to system kernel sends defrosting signal, and the defrosting signal includes the process number of first application process, system
Kernel is according to corresponding first application process of process number defrosting.
In the present embodiment, when the first application process and the second application process are set up first binder and communicated；Second should
Communication is carried out with one binder thread of course allocation with first application process to be connected, and by first application process
Process number is preserved into the binder threads；Correspondingly, the first application process also can distribute a binder thread with it is described
Second application process carries out communication connection, and the process number of second application process is preserved into the binder threads,
During implementing, as shown in figure 5, when the first application process thawed in frozen state by the second application process
When, the process of the first application process is obtained by binder threads corresponding with the first application process in the second application process
Number, and defrosting signal SIGCONT is sent to system kernel by the second application process, the defrosting signal should including described first
With the process number of process, system kernel thaws corresponding first application process according to the process number, so as to realize should to first
Operated with the defrosting of process；Conversely, when the second application process of frozen state is in by the defrosting of the first application process, passing through
Binder threads corresponding with the second application process in first application process lead to obtaining the process number of the second application process
Cross the first application process and send defrosting signal SIGCONT to system kernel, the defrosting signal includes second application process
Process number, system kernel thaws corresponding second application process according to the process number, so as to realize to the second application process
Defrosting operation.
Used as another kind of embodiment, the process number acquisition module also includes：
Second acquisition unit, leads to for setting up binder first when second application process and first application process
During news, the process number of first application process is obtained by system framework.
When communication connection was not set up before the first application process and the second application process, such as map application is installed
When (equivalent to the second application process), apply reading the geographical position quilt of user to GPS module (equivalent to first application process)
User refuse, afterwards user need again use map when, will initiative access GPS module, if now, GPS module is in
Frozen state, then due to not setting up communication connection between map and GPS module, cannot obtain GPS by communication thread
The process number of module, and then defrosting GPS module, are now accomplished by changing a kind of method of acquisition process number, and this is accomplished by using and is
System framework, any one application program at the beginning of initialization is installed, or when some application processes starts, all can be by itself
Process number informs system framework, when second application process and first application process set up first binder to be communicated,
Second application process cannot obtain the process number of the first application process by binder threads, then can be obtained by system framework
The process number of first application process is taken, and defrosting signal SIGCONT, institute are sent to system kernel by the second application process
Process number of the defrosting signal including first application process is stated, system kernel should according to process number defrosting corresponding first
With process, so as to realize that the defrosting to the first application process is operated.
As another kind of embodiment, it is also possible to directly send defrosting signal, solution to system kernel by freezing control centre
Freeze the first application process, this mode is generally used for emergency.
Embodiment two
As shown in fig. 6, in the present embodiment, a kind of process based on signal is freezed also to include with thawing apparatus：
Binder communication modules 50, for the first application process and the second application process binder communications are set up；Second should
Communication is carried out with one binder thread of course allocation with first application process to be connected, and by first application process
Process number is preserved into the binder threads.
In the present embodiment, the process number acquisition module includes：
First acquisition unit, for by being communicated with first application process in inquiry second application process
Binder threads obtain the first application process process number.
In the present embodiment, since the first application process and the second application process can occur communication request, exist between the two
Before first application process is freezed, such as when the first application process installation initialization, will be possible to produce with it
Produce between interactive other application process first communication connection (for example install map application when, all can the very first time to
The geographical position of user is read in GPS module application), if when the first application process is initialized, do not had and some application
Process sets up communication connection, then after also will not or very little may set up communication with this some application processes again and be connected, this
Application process will not or very little may become the second application process in this case；Based on this, it can be understood as, when in this case
When second application process is to first application process transmission communication request, it may be determined that the second application process and the first application
Communication connection was had built up before process, and the communication connection for passing through to pre-build can obtain the process of the first application process
Number, so as to confirm the identity of the first application process, defrosting signal, the defrosting are sent to system kernel by the second application process
Signal includes the process number of first application process, and system kernel enters according to corresponding first application of process number defrosting
Journey.
In the present embodiment, when the first application process and the second application process are set up first binder and communicated；Second should
Communication is carried out with one binder thread of course allocation with first application process to be connected, and by first application process
Process number is preserved into the binder threads；Correspondingly, the first application process also can distribute a binder thread with it is described
Second application process carries out communication connection, and the process number of second application process is preserved into the binder threads,
During implementing, as shown in figure 5, when the first application process thawed in frozen state by the second application process
When, the process of the first application process is obtained by binder threads corresponding with the first application process in the second application process
Number, and defrosting signal SIGCONT is sent to system kernel by the second application process, the defrosting signal should including described first
With the process number of process, system kernel thaws corresponding first application process according to the process number, so as to realize should to first
Operated with the defrosting of process；Conversely, when the second application process of frozen state is in by the defrosting of the first application process, passing through
Binder threads corresponding with the second application process in first application process lead to obtaining the process number of the second application process
Cross the first application process and send defrosting signal SIGCONT to system kernel, the defrosting signal includes second application process
Process number, system kernel thaws corresponding second application process according to the process number, so as to realize to the second application process
Defrosting operation.
Used as another kind of embodiment, the process number acquisition module also includes：
Second acquisition unit, leads to for setting up binder first when second application process and first application process
During news, the process number of first application process is obtained by system framework.
When communication connection was not set up before the first application process and the second application process, such as map application is installed
When (equivalent to the second application process), apply reading the geographical position quilt of user to GPS module (equivalent to first application process)
User refuse, afterwards user need again use map when, will initiative access GPS module, if now, GPS module is in
Frozen state, then due to not setting up communication connection between map and GPS module, cannot obtain GPS by communication thread
The process number of module, and then defrosting GPS module, are now accomplished by changing a kind of method of acquisition process number, and this is accomplished by using and is
System framework, any one application program at the beginning of initialization is installed, or when some application processes starts, all can be by itself
Process number informs system framework, when second application process and first application process set up first binder to be communicated,
Second application process cannot obtain the process number of the first application process by binder threads, then can be obtained by system framework
The process number of first application process is taken, and defrosting signal SIGCONT, institute are sent to system kernel by the second application process
Process number of the defrosting signal including first application process is stated, system kernel should according to process number defrosting corresponding first
With process, so as to realize that the defrosting to the first application process is operated.
As another kind of embodiment, it is also possible to directly send defrosting signal, solution to system kernel by freezing control centre
Freeze the first application process, this mode is generally used for emergency.
Embodiment three
As shown in fig. 7, in the present embodiment, a kind of process based on signal is freezed and defreezing method, including：
S10, the running status for freezing control centre's the first application process of collection；
S20, judge whether first application process meets default freezing condition, if so, then enter step S30, logical
Cross all threads that system kernel freezes in first application process；Otherwise, bar is freezed to satisfaction into step S21, time delay
Part sends freeze signal to system kernel again；
When S40, the second application process are to first application process transmission communication request, entering for the first application process is obtained
Cheng Hao, and the process number is sent to system kernel；
S50, system kernel are according to corresponding first application process of process number defrosting.
In the present embodiment, all threads in application process are all freezed by whistle control system kernel, when
When having other application process to send communication request, thawed the application process by other application process, reaching freezing efficiency
It is maximized simultaneously, realize the timely defrosting of application process.
In the present embodiment, the first application process is that the process freezed and thaw operation is performed in this case, the second application
Process is to think that the first application process sends other processes of communication request after the first application process is freezed, and is also to help first to answer
Some process thawed with process, wherein " first ", " second ", only to facilitate two different application processes are distinguished,
It is not to refer in particular to some application process, nor a kind of restriction of application processes, and the first application process and the second application
The identity of process can be exchanged, that is, when the second application process is frozen, it is also possible to please by the communication of the first application process
Ask and the second application process is thawed.
In the present embodiment, the freeze operation of the first application process is completed by system kernel kernel, and as shown in Figure 4
One application process freeze operation schematic diagram, wherein, freeze control centre for gather the first application process running status, it is described
Running status includes the relevant information and system environmental information of the first application process, and according to these information the first application process is judged
Whether default freezing condition is met, and if so, then the first application process sends freeze signal SIGSTOP, system to system kernel
All threads in first application process described in interior nuclear freeze, including communication thread therein, such as binder threads, it is this to be based on
Method of the system kernel signal to be freezed, can all freeze all threads in process, reach the maximization of freezing efficiency,
But in this case, the first application process will be unable to actively be communicated with other application process, cannot also pass through connection
Cheng Jinhang thaws and operates, for this purpose, then needing additive method to be thawed.
In the present embodiment, if the first application process is unsatisfactory for default freezing condition, time delay is to meeting freezing condition
Send freeze signal SIGSTOP to system kernel again.
In the present embodiment, the process number for obtaining the first application process includes：
The binder threads communicated with first application process in by inquiring about second application process are obtained
The process number of the first application process.
In the present embodiment, since the first application process and the second application process can occur communication request, exist between the two
Before first application process is freezed, such as when the first application process installation initialization, will be possible to produce with it
Produce between interactive other application process first communication connection (for example install map application when, all can the very first time to
The geographical position of user is read in GPS module application), if when the first application process is initialized, do not had and some application
Process sets up communication connection, then after also will not or very little may set up communication with this some application processes again and be connected, this
Application process will not or very little may become the second application process in this case；Based on this, it can be understood as, when in this case
When second application process is to first application process transmission communication request, it may be determined that the second application process and the first application
Communication connection was had built up before process, and the communication connection for passing through to pre-build can obtain the process of the first application process
Number, so as to confirm the identity of the first application process, defrosting signal, the defrosting are sent to system kernel by the second application process
Signal includes the process number of first application process, and system kernel enters according to corresponding first application of process number defrosting
Journey.
In the present embodiment, when the first application process and the second application process are set up first binder and communicated；Second should
Communication is carried out with one binder thread of course allocation with first application process to be connected, and by first application process
Process number is preserved into the binder threads；Correspondingly, the first application process also can distribute a binder thread with it is described
Second application process carries out communication connection, and the process number of second application process is preserved into the binder threads,
During implementing, as shown in figure 5, when the first application process thawed in frozen state by the second application process
When, the process of the first application process is obtained by binder threads corresponding with the first application process in the second application process
Number, and defrosting signal SIGCONT is sent to system kernel by the second application process, the defrosting signal should including described first
With the process number of process, system kernel thaws corresponding first application process according to the process number, so as to realize should to first
Operated with the defrosting of process；Conversely, when the second application process of frozen state is in by the defrosting of the first application process, passing through
Binder threads corresponding with the second application process in first application process lead to obtaining the process number of the second application process
Cross the first application process and send defrosting signal SIGCONT to system kernel, the defrosting signal includes second application process
Process number, system kernel thaws corresponding second application process according to the process number, so as to realize to the second application process
Defrosting operation.
Used as another kind of embodiment, the process number of the application process of the acquisition first also includes：
When second application process and first application process set up first binder to be communicated, by system framework
Obtain the process number of first application process.
When communication connection was not set up before the first application process and the second application process, such as map application is installed
When (equivalent to the second application process), apply reading the geographical position quilt of user to GPS module (equivalent to first application process)
User refuse, afterwards user need again use map when, will initiative access GPS module, if now, GPS module is in
Frozen state, then due to not setting up communication connection between map and GPS module, cannot obtain GPS by communication thread
The process number of module, and then defrosting GPS module, are now accomplished by changing a kind of method of acquisition process number, and this is accomplished by using and is
System framework, any one application program at the beginning of initialization is installed, or when some application processes starts, all can be by itself
Process number informs system framework, when second application process and first application process set up first binder to be communicated,
Second application process cannot obtain the process number of the first application process by binder threads, then can be obtained by system framework
The process number of first application process is taken, and defrosting signal SIGCONT, institute are sent to system kernel by the second application process
Process number of the defrosting signal including first application process is stated, system kernel should according to process number defrosting corresponding first
With process, so as to realize that the defrosting to the first application process is operated.
As another kind of embodiment, it is also possible to directly send defrosting signal, solution to system kernel by freezing control centre
Freeze the first application process, this mode is generally used for emergency.
Example IV
As shown in figure 8, in the present embodiment, also include before step S40：
S01, the first application process and the second application process set up binder communications；
S02, the second application process one binder thread of distribution carry out communication and are connected with first application process, and will
The process number of first application process is preserved into the binder threads.
Above-mentioned two step both can be placed on before step S40, it is also possible to before being placed on step S10, do not affect this case
Implement.
In the present embodiment, the process number for obtaining the first application process includes：
The binder threads communicated with first application process in by inquiring about second application process are obtained
The process number of the first application process.
In the present embodiment, the process number for obtaining the first application process also includes：
When second application process and first application process set up first binder to be communicated, by system framework
Obtain the process number of first application process.
In the present embodiment, it is described all threads in first application process are freezed by system kernel to be specially：
First application process to system kernel sends freeze signal, and system kernel freezes the institute in first application process
There is thread；
Correspondingly, the system kernel is specially according to corresponding first application process of process number defrosting：
Second application process to system kernel sends defrosting signal, and the defrosting signal includes first application process
Process number, system kernel is according to corresponding first application process of process number defrosting.
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row
His property is included, so that a series of process, method, article or device including key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, computer takes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of process based on signal is freezed and thawing apparatus, it is characterised in that include：
State acquisition module, for gathering the running status of the first application process by freezing control centre；
Module is freezed in judgement, for judging whether first application process meets default freezing condition, if so, then by being
All threads in system in the first application process described in nuclear freeze；
Process number acquisition module, during for the second application process to first application process transmission communication request, obtains first
The process number of application process, and the process number is sent to system kernel；
Defrosting module, for system kernel according to corresponding first application process of process number defrosting.
2. a kind of process based on signal according to claim 1 is freezed and thawing apparatus, it is characterised in that also include：
Binder communication modules, for the first application process and the second application process binder communications are set up；Second application process
One binder thread of distribution carries out communication and is connected with first application process, and by the process number of first application process
Preserve into the binder threads.
3. a kind of process based on signal according to claim 2 is freezed and thawing apparatus, it is characterised in that the process
Number acquisition module includes：
First acquisition unit, for what is communicated with first application process in by inquiring about second application process
Binder threads obtain the process number of the first application process.
4. a kind of process based on signal according to claim 1 is freezed and thawing apparatus, it is characterised in that the process
Number acquisition module also includes：
Second acquisition unit, for setting up binder communications first when second application process and first application process
When, the process number of first application process is obtained by system framework.
5. a kind of process based on signal according to claim 1 is freezed and thawing apparatus, it is characterised in that described to pass through
All threads that system kernel freezes in first application process are specially：
First application process to system kernel sends freeze signal, and the institute that system kernel freezes in first application process is wired
Journey；
Correspondingly, the system kernel is specially according to corresponding first application process of process number defrosting：
Second application process to system kernel sends defrosting signal, and the defrosting signal includes the process of first application process
Number, system kernel is according to corresponding first application process of process number defrosting.
6. a kind of process based on signal is freezed and defreezing method, it is characterised in that include：
Freeze the running status that control centre gathers the first application process；
Judge whether first application process meets default freezing condition, if so, then by system kernel freeze described
All threads in one application process；
When second application process is to first application process transmission communication request, the second application process obtains the first application process
Process number, and the process number is sent to system kernel；
System kernel is according to corresponding first application process of process number defrosting.
7. a kind of process based on signal according to claim 6 is freezed and defreezing method, it is characterised in that described second
When application process is to first application process transmission communication request, the second application process obtains the process of the first application process
Number, and the process number is sent also include to before system kernel：
First application process and the second application process set up binder communications；
Second application process distributes a binder thread to be carried out communication and is connected with first application process, and by described first
The process number of application process is preserved into the binder threads.
8. a kind of process based on signal according to claim 7 is freezed and defreezing method, it is characterised in that described second
Application process obtains the process number of the first application process to be included：
The binder threads communicated with first application process in by inquiring about second application process obtain first
The process number of application process.
9. a kind of process based on signal according to claim 6 is freezed and defreezing method, it is characterised in that described second
Application process obtains the process number of the first application process also to be included：
When second application process and first application process set up first binder to be communicated, obtained by system framework
The process number of first application process.
10. a kind of process based on signal according to claim 6 is freezed and defreezing method, it is characterised in that described logical
Cross all threads that system kernel freezes in first application process to be specially：
First application process to system kernel sends freeze signal, and the institute that system kernel freezes in first application process is wired
Journey；
Correspondingly, the system kernel is specially according to corresponding first application process of process number defrosting：
Second application process to system kernel sends defrosting signal, and the defrosting signal includes the process of first application process
Number, system kernel is according to corresponding first application process of process number defrosting.
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Application publication date: 20170517 |
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| RJ01 | Rejection of invention patent application after publication |