CN105893120A - Acquisition method and device for thread synchronization resources - Google Patents
Acquisition method and device for thread synchronization resources Download PDFInfo
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- CN105893120A CN105893120A CN201610249861.2A CN201610249861A CN105893120A CN 105893120 A CN105893120 A CN 105893120A CN 201610249861 A CN201610249861 A CN 201610249861A CN 105893120 A CN105893120 A CN 105893120A
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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
- G06F9/468—Specific access rights for resources, e.g. using capability register
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3442—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for planning or managing the needed capacity
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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
- G06F9/4881—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
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- 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
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
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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
- G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/48—Indexing scheme relating to G06F9/48
- G06F2209/483—Multiproc
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- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/48—Indexing scheme relating to G06F9/48
- G06F2209/484—Precedence
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/50—Indexing scheme relating to G06F9/50
- G06F2209/5013—Request control
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F2209/508—Monitor
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Abstract
The invention provides an acquisition method and device for thread synchronization resources, aiming at meeting the similar requirements of resource calling of threads with priority levels, avoiding the problems that the threads cannot be executed in time as the resources cannot be acquired in time, and reducing the operation risks of a whole system to a certain extent. Meanwhile, distribution conditions of all resources at present are recorded and monitored, and data evidences are provided for analyzing whether a program thread resource design is reasonable or not in the future. The acquisition method for the thread synchronization resources comprises the following steps: receiving acquired resource parameters sent by the threads; determining weight values of the threads according to weight parameters; according to the resource parameters, determining whether the resources are in a locked state or not; under the precondition that the resources are determined to be in the locked state, modifying the state of the threads into a blocked state; putting the threads into a waiting queue of the resources; under the condition that the resources are unlocked, providing the resources to the thread with the greatest weight value in the waiting queue.
Description
Technical field
The present invention relates to computer and software technology field thereof, particularly to a kind of thread synchronization money
The acquisition methods in source and device.
Background technology
In java program, based on multithreading is concurrently the most common.In order to prevent because of multithreading pair
Same resource (data object) accesses and causes data corruption, so there being synchronization (lock)
Application, thus ensure each resource some moment can only by a thread accesses, simultaneously its
He can only block by thread；After waiting that other threads complete, wake up obstruction thread up.
Due to the obstruction of thread with to wake up up be all random, and for the thread that priority is high,
Obtain resource if delayed, will result in thread cannot perform in time, even can be to whole
System produces bigger risk.Money same for multiple thread dispatchings in existing jvm virtual machine
The processing mode in source typically uses the mode of fair lock, i.e. waits that the time of resource is long based on thread
Short come wake-up waiting thread；Other processing modes are substantially random wake-up waiting thread.
In sum, the processing mode of prior art resource same for multiple thread dispatchings uses
Length random or based on the waiting time wakes up the thread of obstruction up, excellent for being similar to have
The requirement of the resource transfer of the thread of first level cannot meet, the most not only can be because of obtaining in time
The problem getting resource and cause thread to perform in time, the most also can run whole system
Produce bigger risk；Meanwhile, the distribution condition of current all of resource is not had by prior art
Record and monitoring, also make later analysis program threads Resource Design the most rationally lack foundation.
Summary of the invention
In view of this, the present invention provides acquisition methods and device, the energy of a kind of thread synchronization resource
Enough meet the requirement being similar to there is the resource transfer of the thread of priority, it is to avoid because of cannot and
Time get resource and the problem that causes thread to perform in time, reduce to a certain extent
The operation risk of whole system；Meanwhile, the distribution condition of current all of resource is remembered
Record and monitoring, the most rationally provide data foundation for later analysis program threads Resource Design.
For achieving the above object, according to an aspect of the invention, it is provided a kind of thread synchronization
The acquisition methods of resource.
The acquisition methods of the thread synchronization resource of the present invention, including: the acquisition that receiving thread sends
The parameter of resource；The parameter of described acquisition resource includes: resource parameters and weight parameter；According to
Described weight parameter determines the weighted value of described thread；This resource is determined according to described resource parameters
Whether it is lock-out state, on the premise of determining that this resource is lock-out state, by described thread
Status modifier is blocked state, is then put into by this thread in the waiting list of this resource, at this
In the case of resource is unlocked, this resource is supplied to the line that in this waiting list, weighted value is maximum
Journey.
Alternatively, according to described resource parameters determine this resource be whether lock-out state step it
After also include: on the premise of determining that this resource is unlocked state, this resource is supplied to institute
State thread.
Alternatively, described weight parameter includes weighted value, weighting function or sky；When described weight
When parameter is weighted value, the step of the described weighted value determining described thread according to described weight parameter
Suddenly include the weighted value that receives as the weighted value of this thread；When described weight parameter is power
During weight function, the step of the described weighted value determining described thread according to described weight parameter includes:
The weighted value of this thread it is calculated according to this weighting function；When described weight parameter is empty,
The step of the described weighted value determining described thread according to described weight parameter includes: confirm described
Weight parameter is empty, then using the weighted value of acquiescence as the weighted value of this thread.
Alternatively, described determine that whether this resource is the step of lock-out state according to described resource parameters
Before Zhou, also include: determine whether there is the recalls information of this resource according to described resource parameters,
If it is present the resource extinction duration in the recalls information of this resource is reverted to initial duration；
Otherwise, set up the recalls information of this resource, and the resource extinction duration of this resource is set.
Alternatively, described determine that whether this resource is the step of lock-out state according to described resource parameters
Suddenly include: search the resource information of this resource according to described resource parameters；According to this resource information
In resource lock flag determine whether this resource is lock-out state.
Alternatively, after the step of the parameter of the acquisition resource that receiving thread sends, also include:
The initial time stamp of this thread application resource is recorded, then by the time of record in journal file
Stamp is stored in data base, further according to the timestamp statistics thread of record average etc. in data base
That treats duration and thread averagely performs duration.
Alternatively, after the step in the described waiting list that this thread is put into this resource, also
Including: in journal file, record this thread enter the timestamp of waiting list, then by record
Timestamp be stored in data base, further according to the timestamp statistics thread of record in data base
Average waiting duration and thread averagely perform duration.
Alternatively, described weighted value in this waiting list maximum thread that this resource is supplied to
Before step, also include: record thread waits for timestamp in journal file, then will
The timestamp of record is stored in data base, further according to the timestamp statistics line of record in data base
The average waiting duration of journey and thread averagely perform duration.
Alternatively, described weighted value in this waiting list maximum thread that this resource is supplied to
After step, also include: record thread timestamp after getting resource in journal file,
Then the timestamp of record is stored in data base, further according to the timestamp of record in data base
The statistics average waiting duration of thread and thread averagely perform duration；Described get resource after
Timestamp include: resource is locked timestamp and resource is abandoned the timestamp of locking.
Alternatively, described weighted value in this waiting list maximum thread that this resource is supplied to
Step includes: according to weight, the thread in waiting list is carried out descending；This resource is carried
Supply comes the thread of first；And described thread in waiting list is dropped according to weight
After the step of sequence arrangement, also include: according to the thread scheduling instruction received, record thread
The change of the position in affiliated waiting list, and the weighted value of the thread after position change is repaiied
Change the weighted value corresponding to this position after change in location into.
According to another aspect of the present invention, it is provided that the acquisition device of a kind of thread synchronization resource.
The acquisition device of the thread synchronization resource of the present invention includes: receiver module, is used for receiving line
The parameter of the acquisition resource that journey sends；The parameter of described acquisition resource includes: resource parameters and power
Weight parameter；Determine module, for determining the weighted value of described thread according to described weight parameter；
First provides module, for determining whether this resource is lock-out state according to described resource parameters,
On the premise of determining that this resource is lock-out state, by the status modifier of described thread for blocking shape
State, then puts in the waiting list of this resource by this thread, in the situation that this resource is unlocked
Under, this resource is supplied to the thread that in this waiting list, weighted value is maximum.
Alternatively, also include the second offer module, for determining that this resource is unlocked state
On the premise of, this resource is supplied to described thread.
Alternatively, described weight parameter includes weighted value, weighting function or sky；When described weight
When parameter is weighted value, described determine module for the weighted value that will receive as this thread
Weighted value；When described weight parameter is weighting function, described determine that module is for according to this power
Weight function is calculated the weighted value of this thread；When described weight parameter is empty, described determine
Module is used for confirming that described weight parameter is sky, then using the weighted value of acquiescence as this thread
Weighted value.
Alternatively, also include information check module, for determining whether according to described resource parameters
There is the recalls information of this resource, if it is present by the resource in the recalls information of this resource
Extinction duration reverts to initial duration；Otherwise, set up the recalls information of this resource, and setting should
The resource extinction duration of resource.
Alternatively, described first module is provided to be additionally operable to search this resource according to described resource parameters
Resource information, whether determine this resource further according to the resource lock flag in this resource information
For lock-out state.
Alternatively, also include the first logging modle, for recording this thread Shen in journal file
Please the initial time stamp of resource, then the timestamp of record is stored in data base, further according to
In data base, the timestamp of record adds up average waiting duration and when averagely the performing of thread of thread
Long.
Alternatively, also include the second logging modle, enter for recording this thread in journal file
Enter the timestamp of waiting list, then the timestamp of record is stored in data base, further according to
In data base, the timestamp of record adds up average waiting duration and when averagely the performing of thread of thread
Long.
Alternatively, also include the 3rd logging modle, wait for record thread in journal file
Deadline stabs, and is then stored in data base by the timestamp of record, further according in data base
The timestamp statistics average waiting duration of thread of record and thread averagely perform duration.
Alternatively, also include the 4th logging modle, obtaining for record thread in journal file
Get the timestamp after resource, then the timestamp of record is stored in data base, further according to
In data base, the timestamp of record adds up average waiting duration and when averagely the performing of thread of thread
Long；Described get resource after timestamp include: resource is locked timestamp and resource and is put
Abandon the timestamp of locking.
Alternatively, described first module is provided to be additionally operable to the thread in waiting list according to weight
Carry out descending, then this resource is supplied to come the thread of first；And described device is also
Including thread scheduling module, for according to the thread scheduling instruction received, record thread is in institute
The change of the position in genus waiting list, and the weighted value of the thread after position change is revised as
Weighted value corresponding to this position after change in location.
According to a further aspect of the invention, it is provided that the acquisition device of a kind of thread synchronization resource.
The acquisition device of the thread synchronization resource of the present invention, including: memorizer and processor；Its
In, described memory store instruction；Described processor performs described instruction, is used for: receive line
The parameter of the acquisition resource that journey sends；The parameter of described acquisition resource includes: resource parameters and power
Weight parameter；The weighted value of described thread is determined according to described weight parameter；Join according to described resource
Number determines whether this resource is lock-out state, on the premise of determining that this resource is lock-out state,
It is blocked state by the status modifier of described thread, then this thread is put into the wait of this resource
In queue, in the case of this resource is unlocked, this resource is supplied in this waiting list power
The thread that weight values is maximum.
According to technical scheme, come the line waited the weighted value being then based on thread
Cheng Jinhang wakes up up, therefore, it is possible to meet the wanting of resource transfer being similar to have the thread of priority
Ask, it is to avoid the problem that causes thread to perform in time because resource cannot be got in time,
Reduce the operation risk of whole system to a certain extent；Meanwhile, wait at thread and call
During, the distribution condition of current all of resource is recorded and monitored, thus for
Later analysis program threads Resource Design the most rationally provides data foundation；And this technical side
Thread wait order in waiting list can also be changed by case, thus, also in certain journey
The motility of scheduling of resource is improve on degree.
Accompanying drawing explanation
Accompanying drawing is used for being more fully understood that the present invention, does not constitute inappropriate limitation of the present invention.Wherein:
Fig. 1 is the signal of the acquisition device of a kind of thread synchronization resource according to embodiments of the present invention
Figure；
Fig. 2 is the signal of the acquisition methods of a kind of thread synchronization resource according to embodiments of the present invention
Figure；
Fig. 3 is showing of the acquisition methods of another kind of thread synchronization resource according to embodiments of the present invention
It is intended to.
Detailed description of the invention
Below in conjunction with accompanying drawing, the one exemplary embodiment of the present invention is explained, including this
The various details of bright embodiment are to help understanding, it should they are thought the most exemplary.
Therefore, those of ordinary skill in the art are it should be appreciated that can do the embodiments described herein
Go out various changes and modifications, without departing from scope and spirit of the present invention.Equally, in order to clearly
Chu, with simple and clear, eliminates the description to known function and structure in description below.
Fig. 1 is the signal of the acquisition device of a kind of thread synchronization resource according to embodiments of the present invention
Figure.The acquisition device 10 of the thread synchronization resource of the embodiment of the present invention specifically includes that receiver module
11, determine that module 12 and first provides module 13；Receiver module 11 is for receiving thread
The parameter of the acquisition resource sent；The parameter of described acquisition resource includes: resource parameters and weight
Parameter；Determine that module 12 for determining the weighted value of described thread according to described weight parameter；The
One provides module 13 to be used for determining whether this resource is lock-out state according to described resource parameters,
On the premise of determining that this resource is lock-out state, it is blocked state by the status modifier of described thread,
Then this thread is put in the waiting list of this resource, in the case of this resource is unlocked,
This resource is supplied to the thread that in this waiting list, weighted value is maximum.
The acquisition device 10 of the thread synchronization resource of the embodiment of the present invention may also include the second offer
Module, on the premise of determining that this resource is unlocked state, is supplied to institute by this resource
State thread.
The weight parameter being previously mentioned in the embodiment of the present invention can be weighted value, weighting function or sky；
When described weight parameter is weighted value, determine that module 12 is for the weighted value that will receive
Weighted value as this thread；
When described weight parameter is weighting function, determine that module 12 is for according to this weighting function
It is calculated the weighted value of this thread；
When described weight parameter is empty, determine that module 12 is for confirming that described weight parameter is
Sky, then using the weighted value of acquiescence as the weighted value of this thread.
The acquisition device 10 of the thread synchronization resource of the embodiment of the present invention may also include information check
Module (not shown), for determining whether there is this resource according to described resource parameters
Recalls information, if it is present recover the resource extinction duration in the recalls information of this resource
For initial duration；Otherwise, set up the recalls information of this resource, and the resource arranging this resource disappears
Die duration.
First offer module 13 of the acquisition device 10 of the thread synchronization resource of the embodiment of the present invention
Can be additionally used in the resource information searching this resource according to described resource parameters, believe further according to this resource
Resource lock flag in breath determines whether this resource is lock-out state.
The acquisition device 10 of the thread synchronization resource of the embodiment of the present invention may also include the first record
Module (not shown), for recording the initial of this thread application resource in journal file
Timestamp, is then stored in the timestamp of record in data base, further according to record in data base
The timestamp statistics average waiting duration of thread and thread averagely perform duration.
The acquisition device 10 of the thread synchronization resource of the embodiment of the present invention may also include the second record
Module (not shown), enters waiting list for recording this thread in journal file
Timestamp, is then stored in the timestamp of record in data base, further according to record in data base
The timestamp statistics average waiting duration of thread and thread averagely perform duration.
The acquisition device 10 of the thread synchronization resource of the embodiment of the present invention may also include the 3rd record
Module (not shown), waits for timestamp for record thread in journal file,
Then the timestamp of record is stored in data base, further according to the timestamp of record in data base
The statistics average waiting duration of thread and thread averagely perform duration.
The acquisition device 10 of the thread synchronization resource of the embodiment of the present invention may also include the 4th record
Module (not shown), for record thread in journal file after getting resource
Timestamp, is then stored in the timestamp of record in data base, further according to record in data base
The timestamp statistics average waiting duration of thread and thread averagely perform duration；Described acquisition
Timestamp after resource includes: resource is locked timestamp and resource is abandoned time of locking
Stamp.
First offer module 13 of the acquisition device 10 of the thread synchronization resource of the embodiment of the present invention
Can be additionally used in and the thread in waiting list is carried out descending according to weight, then this resource is carried
Supply comes the thread of first；
And described device may also include thread scheduling module (not shown), for basis
The thread scheduling instruction received, the change of record thread position in affiliated waiting list,
And the weighted value of the thread after position change is revised as after change in location the power corresponding to this position
Weight values.
Fig. 2 is the signal of the acquisition methods of a kind of thread synchronization resource according to embodiments of the present invention
Figure.As in figure 2 it is shown, the execution master of the acquisition methods of the thread synchronization resource of the embodiment of the present invention
Body is the acquisition device 10 of the thread synchronization resource being previously mentioned in Fig. 1, the method mainly include as
Lower step S20 to S24.
Step S20: the parameter of the acquisition resource that receiving thread sends.This step is previously mentioned
The parameter obtaining resource includes: resource parameters and weight parameter；When thread needs to call resource,
Need the resource parameters of resource to be called and the weight parameter of this thread are sent to thread synchronization
The acquisition device 10 of resource；Meanwhile, the acquisition device 10 of thread synchronization resource is in journal file
Record the initial time stamp of this thread application resource.
Step S21: determine the weighted value of described thread according to described weight parameter.In this step
In, the acquisition device 10 of thread synchronization resource is receiving resource parameters and the weight that thread sends
After parameter, determine the weighted value of this thread according to weight parameter therein；Weight parameter can be
Weighted value, weighting function or sky；(the power such as, received when weight parameter is weighted value
Weight values is 8, it is assumed that the span of weighted value is [1,10]), then, thread synchronization resource
Acquisition device 10 using the weighted value 8 that receives as the weighted value of this thread；When weight parameter is
During weighting function, the acquisition device 10 of thread synchronization resource calculates according to the weighting function received
Go out corresponding weighted value, and using calculated weighted value as the weighted value of this thread；Hold power
When weight parameter is empty, the acquisition device 10 of thread synchronization resource first confirms that received weight
Parameter is empty, then using the weighted value of acquiescence as the weighted value of this thread.
Step S22: determine whether this resource is lock-out state according to described resource parameters, if
This resource is lock-out state, then perform step S23；Otherwise, step S24 is performed.Due to online
Journey is called often occurs in the middle of the process of resource that same resource needs by multiple thread dispatchings
Situation, therefore to ensure that each resource can only be needed by a thread accesses in some moment
When resource is by thread dispatching, resource is locked；In step S22, thread synchronization provides
The acquisition device 10 in source searches the resource information of this resource according to received resource parameters, and
Determine whether this resource is lock-out state according to the resource lock flag in this resource information.
Step S23: be blocked state by the status modifier of described thread, then puts this thread
Enter in the waiting list of this resource, in the case of this resource is unlocked, this resource is supplied to
The thread that in this waiting list, weighted value is maximum.In this step, the acquisition of thread synchronization resource
Thread in this resource waiting list is carried out descending according to the size of weighted value by device 10,
And in journal file, record this thread enter the timestamp of waiting list；Solved in this resource
In the case of lock, journal file records weighted value and comes when the waiting for of thread of first
Between stab；Finally this resource is supplied to weighted value in this waiting list and comes the thread of first, and
Record thread timestamp after getting resource in journal file, wherein, thread is obtaining
Timestamp after resource includes: resource is locked timestamp and resource is abandoned time of locking
Stamp；The acquisition device 10 of thread synchronization resource can be regularly by the timestamp recorded in journal file
It is stored in data base, further according to the average waiting of the timestamp statistics thread of record in data base
Duration and thread averagely perform duration, for monitoring and record the distribution of resource and calling situation,
And data foundation is provided when later analysis program threads Resource Design is the most reasonable.
Step S24: this resource is supplied directly to described thread.
In the technical scheme of the embodiment of the present invention, in order to the resource data in internal memory is entered
Row cleaning, therefore, the resource extinction duration corresponding to the resource settings in internal memory, permissible
On the premise of resource is not the most called, timing cleaning internal memory, save memory headroom；Line
The acquisition device 10 of journey isochronous resources determines whether there is this money according to received resource parameters
The recalls information in source, if it is present by the resource extinction duration in the recalls information of this resource
Revert to initial duration；Otherwise, set up the recalls information of this resource, and the money of this resource is set
Source extinction duration.The acquisition device 10 of thread synchronization resource is not called and resource in resource
Extinction time a length of 0 time, this resource is purged.
In the technical scheme of the embodiment of the present invention, the acquisition device 10 of thread synchronization resource can basis
The thread scheduling instruction received, the change of record thread position in affiliated waiting list,
And the weighted value of the thread after position change is revised as after change in location the power corresponding to this position
Weight values.The acquisition device 10 of thread synchronization resource can carry a terminal interface, works as display
Before wait thread in waiting list corresponding to invoked resource, resource and according to data
When timestamp recorded in storehouse is added up that the average waiting duration of the thread obtained is peaceful to be performed both by
The information such as length, user can be by operation terminal interface by waiting team by resource by the way of pulling
The wait order of the thread in row is changed, thus generates the thread scheduling instruction of correspondence, and
According to the change of this thread scheduling instruction record thread position in affiliated waiting list, and will
The weighted value of the thread after position change is revised as the weight after change in location corresponding to this position
Value.Such as: the waiting list of a resource has three threads waited, i.e. thread 1 (weight
Value is 9), thread 2 (weighted value is 8) and thread 3 (weighted value is 7)；If this
Time thread 2 need first carry out, then, in the way of pulling, thread 2 can be placed into thread 1
Position, the change of acquisition device 10 record thread 2 position of thread synchronization resource, and will
The weighted value of thread 2 should be the weighted value of original thread 1 the most in this position, and by thread 1
Weighted value should the weighted value of thread 2 for being originally in second.
Fig. 3 is showing of the acquisition methods of another kind of thread synchronization resource according to embodiments of the present invention
It is intended to.As it is shown on figure 3, the acquisition device 30 of the thread synchronization resource of the present invention mainly includes depositing
Reservoir 31 and processor 32；Wherein, described memorizer 31 storage instruction；Described processor 32
Perform described instruction, for the parameter of the acquisition resource that receiving thread sends；Described acquisition resource
Parameter include: resource parameters and weight parameter；Described thread is determined according to described weight parameter
Weighted value；Determine whether this resource is lock-out state according to described resource parameters, determining this
On the premise of resource is lock-out state, it is blocked state by the status modifier of described thread, then
This thread is put in the waiting list of this resource, in the case of this resource is unlocked, should
Resource is supplied to the thread that in this waiting list, weighted value is maximum.
Technical scheme according to embodiments of the present invention, is come reciprocity by the weighted value being then based on thread
The thread treated wakes up up, therefore, it is possible to meet the resource tune being similar to have the thread of priority
Requirement, it is to avoid cause thread to perform in time because resource cannot be got in time
Problem, reduces the operation risk of whole system to a certain extent；Meanwhile, wait at thread
With in invoked procedure, the distribution condition of current all of resource is recorded and monitored, because of
And data foundation is the most rationally provided for later analysis program threads Resource Design；And should
Thread wait order in waiting list can also be changed by technical scheme, thus, also exist
Improve the motility of scheduling of resource to a certain extent.
Above-mentioned detailed description of the invention, is not intended that limiting the scope of the invention.This area
Technical staff, it is to be understood that depend on that design requires and other factors, can occur various
The amendment of various kinds, combination, sub-portfolio and replacement.Any within the spirit and principles in the present invention
Amendment, equivalent and the improvement etc. made, within should be included in scope.
Claims (21)
1. the acquisition methods of a thread synchronization resource, it is characterised in that including:
The parameter of the acquisition resource that receiving thread sends；The parameter of described acquisition resource includes: money
Source dates and weight parameter；
The weighted value of described thread is determined according to described weight parameter；
Determine whether this resource is lock-out state according to described resource parameters, determining that this resource is
On the premise of lock-out state, it is blocked state by the status modifier of described thread, then by this line
Journey is put in the waiting list of this resource, in the case of this resource is unlocked, this resource is carried
Supply the thread that in this waiting list, weighted value is maximum.
Method the most according to claim 1, it is characterised in that according to described resource parameters
Determine this resource be whether lock-out state step after also include: determining that this resource is unlocked
On the premise of determining state, this resource is supplied to described thread.
Method the most according to claim 1, it is characterised in that described weight parameter includes
Weighted value, weighting function or sky；
When described weight parameter is weighted value, described determine described line according to described weight parameter
The step of the weighted value of journey includes the weighted value that receives as the weighted value of this thread；
When described weight parameter is weighting function, described determine according to described weight parameter described
The step of the weighted value of thread includes: be calculated the weighted value of this thread according to this weighting function；
When described weight parameter is empty, described determine described thread according to described weight parameter
The step of weighted value includes: confirm that the weighted value of acquiescence, for sky, is then made by described weight parameter
Weighted value for this thread.
Method the most according to claim 1, it is characterised in that described according to described resource
Before whether this resource of parameter determination is the step of lock-out state, also include: according to described resource
Whether parameter determination exists the recalls information of this resource, if it is present calling this resource
Resource extinction duration in information reverts to initial duration；Otherwise, that sets up this resource calls letter
Breath, and the resource extinction duration of this resource is set.
Method the most according to claim 1, it is characterised in that described according to described resource
Whether this resource of parameter determination is that the step of lock-out state includes:
The resource information of this resource is searched according to described resource parameters；
Determine whether this resource is locking shape according to the resource lock flag in this resource information
State.
Method the most according to claim 1, it is characterised in that what receiving thread sent obtains
After the step of the parameter taking resource, also include: in journal file, record this thread application money
The initial time stamp in source, is then stored in the timestamp of record in data base, further according to data
In storehouse, the timestamp statistics average waiting duration of thread of record and thread averagely performs duration.
Method the most according to claim 1, it is characterised in that described this thread is put into
After step in the waiting list of this resource, also include: in journal file, record this thread
Enter the timestamp of waiting list, then the timestamp of record is stored in data base, then root
Perform according to average waiting duration and the average of thread of the timestamp statistics thread of record in data base
Duration.
Method the most according to claim 1, it is characterised in that described this resource is provided
Before the step of the thread of weighted value maximum in this waiting list, also include: at journal file
Middle record thread waits for timestamp, is then stored in data base by the timestamp of record,
The average waiting duration of thread and the average of thread is added up further according to the timestamp of record in data base
Perform duration.
Method the most according to claim 1, it is characterised in that described this resource is provided
After the step of the thread of weighted value maximum in this waiting list, also include: at journal file
Middle record thread timestamp after getting resource, is then stored in number by the timestamp of record
According in storehouse, add up average waiting duration and the line of thread further according to the timestamp of record in data base
Journey averagely perform duration；Described get resource after timestamp include: when resource is locked
Between stamp and resource be abandoned the timestamp of locking.
Method the most according to claim 1, it is characterised in that described this resource is carried
Supply the step of the thread that weighted value is maximum in this waiting list to include:
Thread in waiting list is carried out descending according to weight；
This resource is supplied to come the thread of first；
And described by the thread in waiting list according to weight carry out descending step it
After, also include: according to the thread scheduling instruction received, record thread is at affiliated waiting list
In the change of position, and after the weighted value of the thread after position change is revised as change in location
Weighted value corresponding to this position.
The acquisition device of 11. 1 kinds of thread synchronization resources, it is characterised in that including:
Receiver module, for the parameter of the acquisition resource that receiving thread sends；Described acquisition resource
Parameter include: resource parameters and weight parameter；
Determine module, for determining the weighted value of described thread according to described weight parameter；
First provides module, for determining whether this resource is locking shape according to described resource parameters
State, on the premise of determining that this resource is lock-out state, is resistance by the status modifier of described thread
Plug-like state, then puts into this thread in the waiting list of this resource, is unlocked in this resource
In the case of, this resource is supplied to the thread that in this waiting list, weighted value is maximum.
12. devices according to claim 11, it is characterised in that the second offer is also provided
Module, on the premise of determining that this resource is unlocked state, is supplied to institute by this resource
State thread.
13. devices according to claim 11, it is characterised in that described weight parameter bag
Include weighted value, weighting function or sky；
When described weight parameter is weighted value, described determine that module is for the weight that will receive
It is worth the weighted value as this thread；
When described weight parameter is weighting function, described determine that module is for according to this weight letter
Number is calculated the weighted value of this thread；
When described weight parameter is empty, described determine that module is for confirming that described weight parameter is
Sky, then using the weighted value of acquiescence as the weighted value of this thread.
14. devices according to claim 11, it is characterised in that also include information check
Module, for determining whether there is the recalls information of this resource according to described resource parameters, if
Exist, then the resource extinction duration in the recalls information of this resource is reverted to initial duration；No
Then, set up the recalls information of this resource, and the resource extinction duration of this resource is set.
15. devices according to claim 11, it is characterised in that described first provides mould
Block is additionally operable to search the resource information of this resource according to described resource parameters, believes further according to this resource
Resource lock flag in breath determines whether this resource is lock-out state.
16. devices according to claim 11, it is characterised in that also include the first record
Module, for recording the initial time stamp of this thread application resource in journal file, then will
The timestamp of record is stored in data base, further according to the timestamp statistics line of record in data base
The average waiting duration of journey and thread averagely perform duration.
17. devices according to claim 11, it is characterised in that also include the second record
Module, enters the timestamp of waiting list, then will for recording this thread in journal file
The timestamp of record is stored in data base, further according to the timestamp statistics line of record in data base
The average waiting duration of journey and thread averagely perform duration.
18. devices according to claim 11, it is characterised in that also include the 3rd record
Module, in journal file record thread wait for timestamp, then by record time
Between stab and be stored in data base, further according to the timestamp statistics thread of record average in data base
Waiting time and thread averagely perform duration.
19. devices according to claim 11, it is characterised in that also include the 4th record
Module, for record thread timestamp after getting resource in journal file, then will
The timestamp of record is stored in data base, further according to the timestamp statistics line of record in data base
The average waiting duration of journey and thread averagely perform duration；Described get the time after resource
Stamp includes: resource is locked timestamp and resource is abandoned the timestamp of locking.
20. devices according to claim 11, it is characterised in that described first provides mould
Block is additionally operable to according to weight, the thread in waiting list is carried out descending, then this resource is carried
Supply comes the thread of first；
And described device also includes thread scheduling module, for according to the thread scheduling received
Instruction, the change of record thread position in affiliated waiting list, and by after position change
The weighted value of thread is revised as the weighted value after change in location corresponding to this position.
The acquisition device of 21. 1 kinds of thread synchronization resources, it is characterised in that including: memorizer
And processor；Wherein, described memory store instruction；
Described processor performs described instruction, is used for:
The parameter of the acquisition resource that receiving thread sends；The parameter of described acquisition resource includes: money
Source dates and weight parameter；
The weighted value of described thread is determined according to described weight parameter；
Determine whether this resource is lock-out state according to described resource parameters, determining that this resource is
On the premise of lock-out state, it is blocked state by the status modifier of described thread, then by this line
Journey is put in the waiting list of this resource, in the case of this resource is unlocked, this resource is carried
Supply the thread that in this waiting list, weighted value is maximum.
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