CN103440169B - A kind of method and device of process interrupt processing - Google Patents
A kind of method and device of process interrupt processing Download PDFInfo
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Abstract
The invention discloses a kind of method of process interrupt processing, including：Obtain the service thread corresponding to process interrupt；The service thread is called, and is interrupted using service thread processing is described；After processing is interrupted, it is switched to the process and continues executing with the process.The embodiment of the present invention also provides corresponding device.The method of process interrupt processing provided in an embodiment of the present invention, can directly invoke the service thread to that should interrupt, after processing is interrupted, the corresponding process of interruption can be switched to, the process is continued executing with, so as to improve the processing speed of interruption, the time that processing is interrupted is shortened.
Description
Technical field
The present invention relates to operation system technology field, and in particular to a kind of method and device of process interrupt processing.
Background technology
Operating system based on modern processors, generally divides into kernel state and User space by system.Due to interrupt response
Completed with interrupt processing, so, this just brings difficulty to the process of User space state and interruption cooperation, generally to wait kernel to complete
The process that User space completes User space is returned after processing, and this process is that comparison is very long.
In the research and practice process to prior art, the inventors found that interrupting after generation, generally will
The service thread for being adapted to the interruption is retrieved from sleep queue, the service thread is then sent into executable queue, pending device
When going to the service thread, call the service thread to perform interrupt processing, have no progeny in processes, may first handle other and enter
Journey, then the corresponding process of the interruption is performed, so as to cause the overlong time that processing is interrupted.
The content of the invention
The embodiment of the present invention provides a kind of method of process interrupt processing, can shorten the time that processing is interrupted, at raising
Manage the operational efficiency of device.The embodiment of the present invention additionally provides corresponding device.
First aspect present invention provides a kind of method of process interrupt processing, including：
Obtain the service thread corresponding to process interrupt；
The service thread is called, and is interrupted using service thread processing is described；
After processing is interrupted, it is switched to the process and continues executing with the process.
With reference in a first aspect, in the first possible implementation, the service line obtained corresponding to process interrupt
Journey, including：
Obtain the numbering that the interruption is carried in process interrupt instruction, the interrupt instruction；
According to the numbering of the interruption, searched from the mapping relations of preset numbering and interrupt processing service thread described
The corresponding service thread of numbering of interruption；
It is corresponding, it is described to call the service thread, including:
Call the corresponding service thread of numbering of the interruption.
With reference to first aspect or first aspect the first possible implementation, in second of possible implementation,
After the step of service thread corresponding to the acquisition process interrupt, in addition to：
Obtain the operation address of the service thread；
Set up the corresponding relation of the operation address of the service thread and the context of the process.
With reference to second of possible implementation of first aspect, in the third possible implementation, in the processing
Have no progeny, be switched to the process and continue executing with the process, including：
After processing is interrupted, according to the operation address of the service thread, the process is switched to, and according to the process
Context continues executing with the process at the process interrupt.
With reference to first aspect or first aspect the first possible implementation, in the 4th kind of possible implementation,
It is described to be interrupted using service thread processing is described, including：
Identified according to the registration class of the service thread, the service thread is extracted out from waiting list；
Described interrupt is handled using the service thread.
Second aspect of the present invention provides a kind of device of process interrupt processing, including：
Acquiring unit, for obtaining the service thread corresponding to process interrupt；
Call unit, for the service thread for calling the acquiring unit to obtain；
Processing unit, for the service thread processing interruption called using the call unit；
Switch unit, for after processing unit processes interruption, be switched to the process and continue executing with it is described enter
Journey.
With reference to second aspect, in the first possible implementation, the acquiring unit includes：
Subelement is obtained, the numbering of the interruption is carried in process interrupt instruction, the interrupt instruction for obtaining；
Subelement is searched, for the numbering of the interruption obtained according to the acquisition subelement, from preset numbering and interruption
The corresponding service thread of numbering of the interruption is searched in the mapping relations for handling service thread；
The call unit, the corresponding service thread of numbering for calling the interruption.
With reference to second aspect or second aspect the first possible implementation, in second of possible implementation,
Described device also includes：
The acquiring unit, the operation address for obtaining the service thread；
Unit is set up, for setting up above and below operation address and the process of the service thread that the acquiring unit is obtained
The corresponding relation of text.
With reference to second of possible implementation of second aspect, in the third possible implementation, described device is also
Including：
The switch unit, for handling and interrupting after, according to the operation address of the service thread, be switched to it is described enter
Journey, and the process is continued executing with the process interrupt according to the context of the process.
With reference to second aspect or second aspect the first possible implementation, in the 4th kind of possible implementation,
The processing unit also includes：
Subelement is extracted out, for being identified according to the registration class of the service thread, by the service thread from waiting list
It is middle to extract out；
Subelement is handled, the service thread processing for being extracted out using the extraction subelement is described to be interrupted.
The embodiment of the present invention is using the service thread obtained corresponding to process interrupt；The service thread is called, and is used
The service thread processing is described to be interrupted；After processing is interrupted, it is switched to the process and continues executing with the process.With existing skill
Cardia will pass through multiple wait during interrupting, it is time-consuming it is long compare, process interrupt provided in an embodiment of the present invention
The method of processing, can directly invoke the service thread to that should interrupt, after processing is interrupted, can be switched to interruption it is corresponding enter
Journey, continues executing with the process, so as to improve the processing speed of interruption, shortens the time that processing is interrupted.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those skilled in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is an embodiment schematic diagram of the method for process interrupt processing in the embodiment of the present invention；
Fig. 2 is an embodiment schematic diagram of the device of process interrupt processing in the embodiment of the present invention；
Fig. 3 is another embodiment schematic diagram of the device of process interrupt processing in the embodiment of the present invention；
Fig. 4 is another embodiment schematic diagram of the device of process interrupt processing in the embodiment of the present invention；
Fig. 5 is another embodiment schematic diagram of the device of process interrupt processing in the embodiment of the present invention；
Fig. 6 is another embodiment schematic diagram of the device of process interrupt processing in the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of method of process interrupt processing, can shorten the time that processing is interrupted, at raising
Manage the operational efficiency of device.The embodiment of the present invention additionally provides corresponding device.It is described in detail individually below.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Refering to Fig. 1, an embodiment of the method for process interrupt processing provided in an embodiment of the present invention includes：
101st, the service thread corresponding to process interrupt is obtained.
102nd, the service thread is called, and is interrupted using service thread processing is described.
103rd, after processing is interrupted, it is switched to the process and continues executing with the process.
The embodiment of the present invention is using the service thread obtained corresponding to process interrupt；The service thread is called, and is used
The service thread processing is described to be interrupted；After processing is interrupted, it is switched to the process and continues executing with the process.With existing skill
Cardia will pass through multiple wait during interrupting, it is time-consuming it is long compare, process interrupt provided in an embodiment of the present invention
The method of processing, can directly invoke the service thread to that should interrupt, after processing is interrupted, can be switched to interruption it is corresponding enter
Journey, continues executing with the process, so as to improve the processing speed of interruption, shortens the time that processing is interrupted.
Alternatively, on the basis of the corresponding embodiments of above-mentioned Fig. 1, process interrupt processing provided in an embodiment of the present invention
In one alternative embodiment of method, the service thread obtained corresponding to process interrupt can include：
Obtain the numbering that the interruption is carried in process interrupt instruction, the interrupt instruction；
According to the numbering of the interruption, searched from the mapping relations of preset numbering and interrupt processing service thread described
The corresponding service thread of numbering of interruption；
It is corresponding, it is described to call the service thread, it can include:
Call the corresponding service thread of numbering of the interruption.
In the embodiment of the present invention, a numbering can be allocated in advance to each interruption, and set up the numbering of interruption with it is corresponding
Service thread mapping relations, corresponding service thread is searched according to the numbering of interruption, the interruption can be quickly found
Corresponding service thread.
Alternatively, on the basis of the corresponding embodiments of above-mentioned Fig. 1 or the corresponding alternative embodiments of Fig. 1, the present invention is implemented
Example provide another alternative embodiment in, it is described obtain process interrupt corresponding to service thread the step of after, can also wrap
Include：
Obtain the operation address of the service thread；
Set up the corresponding relation of the operation address of the service thread and the context of the process.
In the embodiment of the present invention, interrupt after occurring, system can automatically save the context of interrupt process, by interrupt process
Context is stored in storehouse, is obtained after service thread, the operation address of service thread is also pushed in storehouse, and set up clothes
The operation address of business thread and the corresponding relation of process context, so, can find according to the operation address of the service thread
Corresponding process.
Alternatively, on the basis of the corresponding alternative embodiments of above-mentioned Fig. 1, another optional reality provided in an embodiment of the present invention
Apply in example, after the processing is interrupted, be switched to the process and continue executing with the process, can include：
After processing is interrupted, according to the operation address of the service thread, the process is switched to, and according to the process
Context continues executing with the process at the process interrupt.
In the embodiment of the present invention, processing interrupt after, can be directly found according to the operation address of service thread it is corresponding enter
Journey, continues with the process, after being handled with avoidance breakout, preferentially performs other processes, causes the processing of the interrupt process delayed.
Alternatively, on the basis of the corresponding embodiments of above-mentioned Fig. 1 or the corresponding alternative embodiments of Fig. 1, the present invention is implemented
It is described to be interrupted using service thread processing is described in another alternative embodiment that example is provided, it can include：
Identified according to the registration class of the service thread, the service thread is extracted out from waiting list；
Described interrupt is handled using the service thread.
In the embodiment of the present invention, service thread can all register a class in advance, and each service thread can have registration category
Know, the registration class mark of the service thread in the embodiment of the present invention is the class mark of highest priority, so service thread enters
After kernel state, the service thread can queue up in waiting list in the prior art, be discharged to after the service thread, in ability start to process
Disconnected, in the embodiment of the present invention when the service thread enters waiting list, can be identified according to the registration class of the service thread will
The service thread is directly extracted out from waiting list, and described interrupt is handled using the service thread.
Refering to Fig. 2, an embodiment of the device of process interrupt processing provided in an embodiment of the present invention includes：
Acquiring unit 201, for obtaining the service thread corresponding to process interrupt；
Call unit 202, for the service thread for calling the acquiring unit 201 to obtain；
Processing unit 203, for the service thread processing interruption called using the call unit 202；
Switch unit 204, for after the processing unit 203 processing is interrupted, being switched to the process and continuing executing with
The process.
In the embodiment of the present invention, acquiring unit 201 obtains the service thread corresponding to process interrupt；Call unit 202 is adjusted
The service thread obtained with the acquiring unit 201；The service thread that processing unit 203 is called using the call unit 202
Processing is described to be interrupted；Switch unit 204 is switched to the process and continued executing with after the processing unit 203 processing is interrupted
The process.To pass through multiple wait during being interrupted with processing in the prior art, it is time-consuming it is long compare, the present invention is implemented
The device for the process interrupt processing that example is provided, can directly invoke the service thread to that should interrupt, after processing is interrupted, can cut
Change to the corresponding process of interruption, continue executing with the process, so as to improve the processing speed of interruption, shorten that processing interrupts when
Between.
On the basis of the corresponding embodiments of above-mentioned Fig. 2, refering to Fig. 3, process interrupt processing provided in an embodiment of the present invention
Device another embodiment in, the acquiring unit 201 includes：
Subelement 2011 is obtained, the numbering of the interruption is carried in process interrupt instruction, the interrupt instruction for obtaining；
Subelement 2012 is searched, for the numbering of the interruption obtained according to the acquisition subelement 2011, from preset volume
Number with searching the corresponding service thread of numbering of the interruption in the mapping relations of interrupt processing service thread；
The call unit 202, the corresponding service thread of numbering for calling the interruption.
On the basis of the corresponding embodiments of above-mentioned Fig. 2, refering to Fig. 4, process interrupt processing provided in an embodiment of the present invention
Device another embodiment in, described device also includes：
The acquiring unit 201, the operation address for obtaining the service thread；
Unit 205 is set up, for the operation address for setting up the service thread that the acquiring unit 201 is obtained and the process
Context corresponding relation.
On the basis of the corresponding embodiments of above-mentioned Fig. 2, the device of process interrupt processing provided in an embodiment of the present invention
In another embodiment, described device also includes：
The switch unit 204, for handling after interruption, according to the operation address of the service thread, is switched to described
Process, and the process is continued executing with the process interrupt according to the context of the process.
On the basis of the corresponding embodiments of above-mentioned Fig. 2, refering to Fig. 5, process interrupt processing provided in an embodiment of the present invention
Device another embodiment in, the processing unit 203 also includes：
Subelement 2031 is extracted out, for being identified according to the registration class of the service thread, by the service thread from wait
Extracted out in queue；
Subelement 2032 is handled, during the service thread processing for being extracted out using the extraction subelement 2031 is described
It is disconnected.
The embodiment of the present invention additionally provides a kind of computer-readable storage medium, is had program stored therein in the storage medium, the program
During execution, include some or all of step of above-mentioned process interrupt processing.
Fig. 6 is the structural representation of the device 20 of process interrupt of embodiment of the present invention processing.The device of process interrupt processing
20 may include input equipment 210, output equipment 220, processor 230 and memory 240.
Memory 240 can include read-only storage and random access memory, and provide instruction sum to processor 230
According to.The a part of of memory 240 can also include nonvolatile RAM（NVRAM）.
Memory 240 stores following element, can perform module either data structure or their subset, or
Their superset:
Operational order：Including various operational orders, for realizing various operations.
Operating system：Including various system programs, for realizing various basic businesses and handling hardware based task.
In embodiments of the present invention, processor 230 is by calling the operational order that memory 240 is stored（The operational order
It is storable in operating system）, perform following operation：
Obtain the service thread corresponding to process interrupt；
The service thread is called, and is interrupted using service thread processing is described；
After processing is interrupted, it is switched to the process and continues executing with the process.
The method of process interrupt processing provided in an embodiment of the present invention, can directly invoke the service line to that should interrupt
Journey, after processing is interrupted, can be switched to the corresponding process of interruption, continue executing with the process, so as to improve the processing speed of interruption
Degree, shortens the time that processing is interrupted.
The operation of the device 20 of the control process interrupt processing of processor 230, processor 230 can also be referred to as CPU
（Central Processing Unit, CPU）.Memory 240 can include read-only storage and arbitrary access
Memory, and provide instruction and data to processor 230.The a part of of memory 240 can also deposit including non-volatile random
Access to memory（NVRAM）.In specific application, each component of the device 20 of process interrupt processing passes through the coupling of bus system 250
It is combined, wherein bus system 250 can also include power bus, controlling bus and state in addition to including data/address bus
Signal bus etc..But for the sake of clear explanation, various buses are all designated as bus system 250 in figure.
The method that the embodiments of the present invention are disclosed can apply in processor 230, or be realized by processor 230.
Processor 230 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 230 or the instruction of software form.Above-mentioned processing
Device 230 can be general processor, digital signal processor（DSP）, application specific integrated circuit（ASIC）, ready-made programmable gate array
（FPGA）Or other PLDs, discrete gate or transistor logic, discrete hardware components.Can realize or
Person performs disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or
Person's processor can also be any conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be straight
Connect and be presented as that hardware decoding processor performs completion, or performed with the hardware in decoding processor and software module combination
Into.Software module can be positioned at random access memory, flash memory, read-only storage, and programmable read only memory or electrically-erasable can
In the ripe storage medium in this areas such as programmable memory, register.The storage medium is located at memory 240, and processor 230 is read
Information in access to memory 240, the step of completing the above method with reference to its hardware.
Alternatively, processor 240 obtains the numbering that the interruption is carried in process interrupt instruction, the interrupt instruction；Root
According to the numbering of the interruption, the numbering of the interruption is searched from the mapping relations of preset numbering and interrupt processing service thread
Corresponding service thread；Call the corresponding service thread of numbering of the interruption.
Alternatively, processor 240 is additionally operable to obtain the operation address of the service thread；Set up the fortune of the service thread
The corresponding relation of row address and the context of the process.
Alternatively, processor 240 is used to handle after interruption, according to the operation address of the service thread, is switched to described
Process, and the process is continued executing with the process interrupt according to the context of the process.
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：ROM, RAM, disk or CD etc..
The method and device of the process interrupt processing provided above the embodiment of the present invention are described in detail, this
Apply specific case in text to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to
Help to understand method and its core concept of the invention；Simultaneously for those of ordinary skill in the art, the think of according to the present invention
Think, will change in specific embodiments and applications, in summary, this specification content should not be construed as pair
The limitation of the present invention.
Claims (6)
1. a kind of method of process interrupt processing, it is characterised in that including：
Obtain the service thread corresponding to process interrupt；
The service thread is called, and is interrupted using service thread processing is described；
After processing is interrupted, it is switched to the process and continues executing with the process；
Wherein, it is described obtain process interrupt corresponding to service thread the step of after, in addition to：
Obtain the operation address of the service thread；
Set up the corresponding relation of the operation address of the service thread and the context of the process；
After the processing is interrupted, it is switched to the process and continues executing with the process, including：
After processing is interrupted, according to the operation address of the service thread, be switched to the process, and according to the process above and below
Text continues executing with the process at the process interrupt.
2. according to the method described in claim 1, it is characterised in that the service thread obtained corresponding to process interrupt, bag
Include：
Obtain the numbering that the interruption is carried in process interrupt instruction, the interrupt instruction；
According to the numbering of the interruption, the interruption is searched from the mapping relations of preset numbering and interrupt processing service thread
The corresponding service thread of numbering；
It is corresponding, it is described to call the service thread, including:
Call the corresponding service thread of numbering of the interruption.
3. method according to claim 1 or 2, it is characterised in that described to be interrupted using service thread processing is described,
Including：
Identified according to the registration class of the service thread, the service thread is extracted out from waiting list；
Described interrupt is handled using the service thread.
4. a kind of device of process interrupt processing, it is characterised in that including：
Acquiring unit, for obtaining the service thread corresponding to process interrupt；
Call unit, for the service thread for calling the acquiring unit to obtain；
Processing unit, for the service thread processing interruption called using the call unit；
Switch unit, for after processing unit processes interruption, being switched to the process and continuing executing with the process；
The acquiring unit, is additionally operable to obtain the operation address of the service thread；
Unit is set up, the context for running address and the process of the service thread for setting up the acquiring unit acquisition
Corresponding relation；
It is described to be switched to the process and continue executing with the process specially according to the operation address of the service thread, switching
The process is continued executing with the process interrupt to the process, and according to the context of the process.
5. device according to claim 4, it is characterised in that the acquiring unit includes obtaining subelement and searched sub single
Member, wherein：
The acquisition subelement, the numbering of the interruption is carried for obtaining in process interrupt instruction, the interrupt instruction；
The lookup subelement, for the numbering of the interruption obtained according to the acquisition subelement, from preset numbering and interruption
The corresponding service thread of numbering of the interruption is searched in the mapping relations for handling service thread；
The call unit, the corresponding service thread of numbering of the interruption for calling the acquiring unit acquisition.
6. the device according to claim 4 or 5, it is characterised in that the processing unit also includes：
Extract subelement out, for being identified according to the registration class of the service thread, the service thread is taken out from waiting list
Go out；
Subelement is handled, the service thread processing for being extracted out using the extraction subelement is described to be interrupted.
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| CN109725990A (en) * | 2017-10-31 | 2019-05-07 | 北京国双科技有限公司 | Course control method and device |
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| CN105579963B (en) * | 2014-09-03 | 2019-10-01 | 华为技术有限公司 | Task Processing Unit, electronic equipment and method |
| JP6350452B2 (en) * | 2015-08-27 | 2018-07-04 | 京セラドキュメントソリューションズ株式会社 | Electronic equipment and interrupt processing program |
| CN107003899B (en) * | 2015-10-28 | 2020-10-23 | 皓创科技(镇江)有限公司 | Interrupt response method, device and base station |
| CN112035272A (en) * | 2019-06-03 | 2020-12-04 | 华为技术有限公司 | Method and device for interprocess communication and computer equipment |
| CN113010275B (en) * | 2019-12-20 | 2024-01-30 | 大唐移动通信设备有限公司 | Interrupt processing method and device |
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| WO2011104812A1 (en) * | 2010-02-23 | 2011-09-01 | 富士通株式会社 | Multi-core processor system, interrupt program, and interrupt method |
| CN101976206B (en) * | 2010-10-28 | 2016-04-20 | 北京中星微电子有限公司 | A kind of interruption processing method and device |
| US20120158631A1 (en) * | 2010-12-15 | 2012-06-21 | Scientific Conservation, Inc. | Analyzing inputs to an artificial neural network |
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