40results about How to "Avoid mutual exclusion" patented technology

Systems, methods, and computer products that efficiently share and move data between different types of data storage formats. More particularly, the preferred embodiment of the present invention provides an easy to use graphical user interface (GUI) for displaying, navigating, and selecting hierarchical database segments and fields. The preferred embodiment of the present invention novelly uses a hierarchical tree structure that clearly represents the structures of a database and their mutual exclusivity, for easy understanding of and navigation through the various database structures. The user is prevented from selecting segments and fields that are not valid for the selected path thereby ensuring accuracy in the representation of the database data structures. Also, the user may select a path from the top of the hierarchical tree, the root, to a specific segment or field.

The invention discloses a control method for video equipment virtualization. A virtual terminal gets access to a gateway for registration; the virtual terminal is registered; the virtual terminal binds an input source and a default output source; virtual terminal equipment information is synchronized in the whole network, and video-on-demand permission is open. When a cross-region user needs to perform video-on-demand on equipment images of a region, video-on-demand does not need to be performed in a temporary authorization mode. In this way, equipment security is improved. The virtual terminal is equivalent to an operator allocated in the current region and helps the user in the region and users in other regions to perform video-on-demand on images. It is avoided that when performing video-on-demand on the images in other regions, the user does not know the position where specific equipment is located, so that inconvenience is caused. Video-on-demand can be performed on the needed images more conveniently. It is avoided that multiple operators operate the same equipment at the same time, mutual exclusion is caused. Each equipment is controlled by only one operator at the same time, and the problem that due to changes of the operators, video-on-demand is stopped, and the equipment is restarted can be solved.

The embodiment of the invention provides an operating system switching method and device, equipment and a storage medium, the method is applied to terminal equipment running a first operating system and a second operating system, and the method comprises the steps of in response to a monitored first system switching event, determining whether the first operating system is switched to a foreground or a background; if switching to the background, releasing a first multimedia hardware resource occupied by a first type of multimedia application program under the first operating system; releasing a second multimedia hardware resource occupied by a second type of multimedia application program in the first operating system, and suspending a data operation of the second type of multimedia application program on the second multimedia hardware resource; and switching the first operating system to a background operating system, and switching the second operating system to a foreground operating system. According to the technical scheme of the embodiment of the invention, the problem of mutual exclusion of multimedia hardware resources during system switching can be avoided, and the system switching efficiency can be improved.

The invention provides a positioning method and device. The positioning method comprises the steps of acquiring satellite longitude and latitude position information and satellite parameter information; according to the satellite longitude and latitude position information and the satellite parameter information, determining a satellite positioning system meeting preset positioning system requirements; selecting an auxiliary positioning signal suitable for the satellite positioning system from auxiliary positioning signals of the auxiliary positioning system according to the satellite longitude and latitude position information and the satellite parameter information; and performing positioning calculation according to the selected auxiliary positioning signal and the satellite positioningsystem to obtain a positioning result. Through adoption of the technical scheme, the satellite positioning system and the auxiliary positioning signal can supplement each other to fit the actual situation of an environment where the terminal equipment is located, interference and mutual exclusion among various signals caused by randomly selecting various signals can be effectively avoided, and the improvement of the positioning precision is facilitated.

The invention provides a performance improvement method for multi-channel storage streaming media data. The method comprises the following steps: when a storage device is initialized, clearing original fragments of the storage device, and calculating the size and quantity of each video file according to the storage capacity and set recording time and code rate; creating a corresponding number of streaming media files for each channel, and allocating the storage space according to the size of each video file; directly selecting one oldest streaming media file for renaming for cyclic coverage when the storage space is full; and when writing data, firstly copying the data to a buffer pool of application management, creating a background thread which is responsible for directly writing the data back to the storage device in a direct-io mode by directly bypassing the cache of an operating system at the right time, and then improving the performance by supplementing 0 and modifying the filesize.

The invention discloses method, system and device for triggering an intelligent network repeatedly, wherein the method comprises the following steps of: receiving an intelligent network service call request transmitted by a mobile switching center MSC; transmitting a call request to two or more service SCPs from the mobile switching center according to configured service interactive logical simulation when the destination SCPs of the intelligent network service call request are two or more, and repeatedly triggering the intelligent network. By increasing the access SCPs with multi-service interactive service function and transmitting CAP information to a plurality of corresponding service SCPs according to the configured multi-service interactive strategy simulation MSC, the invention realizes the repeated triggering of the intelligent network, avoids the mutual exclusion among services of the intelligent network and improves the use efficiency of the services of the intelligent network.

The invention relates to the technical field of rice seedlings on severe saline-alkali soil, in particular to a cultivation method of the rice seedlings on the severe saline-alkali soil. The cultivation method comprises the following step of S1, seed disinfection, specifically, putting a saline-alkali tolerant rice variety into a mixed solution containing Emiaojing(a pesticide for treating abakanae disease) at normal temperature and room temperature for soaking. According to the cultivation method, the seeds are subjected to seed disinfection before seedling raising, so that the method can effectively reduce rice damping-off, rice seedling rot, the bakanae disease and the like which are easily generated in rice seedling raising in saline-alkali areas; meanwhile, alkalinity culture is carried out on the rice seeds in a nursery garden, so that the rice seeds can be suitable for the environment on the severe saline-alkali soil before transplanting; and after transplanting, it can be ensured that the rice seedlings are suitable for the production environment as soon as possible, mutual repulsion is avoided, the problem of seedling death caused by difficult control over the seedlings or the seed growth environment due to direct seeding of the seedlings or the seeds in the treated severe saline-alkali soil is solved, the survival rate of the seedlings or the seeds is improved, and the yield of rice is improved.

Disclosed is an efficient sampling port buffer management method. The efficient sampling port buffer management method comprises 1) distributing two buffer zones and a write buffer counter for a sampling port during initialization of the sampling port; 2) during data write-in of a source port, writing data into the buffer zone pointed by a temporary pointer; 3) after data write-in is completed, switching the pointers pointing to the two buffer zones, and meanwhile updating a write buffer counter and adding the number by one in the write buffer counter; 4) during data reading from the source port, firstly, storing the counting value of the write buffer counter, then reading data from the buffer zone pointed by a valid pointer, after reading is completed, comparing the stored counting value with the latest counting value of the write buffer counter to determine whether the counting value of the write buffer counter changes, if so, repeating the step 4) until the counting value of the write buffer counter has no change, and if not, completing the reading; 5) sending and writing messages by calling the sampling port. The efficient sampling port buffer management method can improve the communication efficiency of the sampling port.

The invention relates to a data splitting method and a splitter. The data splitting method includes: the splitter analyzes the received data packet to determine the transport layer communication protocol to which the data packet belongs; the splitter obtains from the data packet corresponding to the determined transport layer communication protocol The identification information of the data flow to which the data packet belongs; the splitter obtains from the memory the split corresponding to the transport layer communication protocol to which the data packet belongs according to the corresponding relationship between the transport layer communication protocol and the split table table; the splitter determines the thread corresponding to the data stream to which the data packet belongs according to the identification information of the data stream in the split table corresponding to the transport layer communication protocol to which the data packet belongs and the thread; the split The controller sends the data packet to the buffer queue of the thread corresponding to the data flow, so that the thread corresponding to the data flow obtains the data packet from the buffer queue.

The invention provides a permanent-magnet pipe nipple. The permanent-magnet pipe nipple is characterized in that a plurality of first spiral grooves are formed in the surface of a non-magnetic drill collar; rare-earth permanent magnets are placed in the first spiral grooves; magnetic-conducting iron cores are used for connecting adjacent rare-earth permanent magnets; spiral groove rubber is used for fixing the rare-earth permanent magnets and the magnetic-conducting iron cores; the rare-earth permanent magnets are serially connected through the magnetic-conducting iron cores and arranged on the non-magnetic drill collar in a spiral line manner, and adjacent permanent-magnet pipe nipples with the same polarity are prevented from repelling each other. By the arrangement, the permanent-magnet pipe nipple has the advantages that the dispersed rare-earth permanent magnets are serially connected by the magnetic-conducting iron cores, the magnetic potential of a closed loop is increased effectively, and the range of the magnetic field radiated by the rare-earth permanent magnets is wide; the rare-earth permanent magnets are placed in the spiral grooves, the spiral lines formed by the serial connection of the rare-earth permanent magnets can be parallelly connected effectively, loop magnetic flux is enhanced to allow the magnetic-field components of the single spiral line to superimpose so as to enhance the magnetic field intensity of a far position, and the magnetic performance of the permanent-magnet pipe nipple is increased.

The present application proposes a positioning method and device. The positioning method includes: obtaining satellite longitude and latitude position information and satellite parameter information; according to the satellite longitude and latitude position information and satellite parameter information, confirming the satellite positioning system that meets the preset positioning system requirements; According to the satellite longitude and latitude position information and satellite parameter information, select an auxiliary positioning signal suitable for the satellite positioning system from the auxiliary positioning signals of the auxiliary positioning system; perform positioning calculation according to the selected auxiliary positioning signal and the satellite positioning system , to get the positioning result. The adoption of the above technical solution can make the satellite positioning system and the auxiliary positioning signal complement each other, suit the actual environment of the terminal equipment, and can effectively avoid interference and mutual exclusion between multiple signals caused by random selection of multiple signals, which is conducive to improving positioning accuracy.

Embodiments of the present invention provide a method, device, device, and storage medium for operating system switching. The method is applied to a terminal device running a first operating system and a second operating system. The method includes: responding to the monitored first operating system Switch event, determine whether the first operating system is switched to the foreground or switched to the background; if switched to the background, then release the first multimedia hardware resource occupied by the first type of multimedia application program under the first operating system; release the first operation The second multimedia hardware resource occupied by the second type of multimedia application program under the system, and suspend the data operation of the second type multimedia application program on the second multimedia hardware resource; switch the first operating system to the background operating system , and switch the second operating system to the foreground operating system. According to the technical solutions of the embodiments of the present invention, not only can the problem of mutual exclusion of multimedia hardware resources during system switching be avoided, but also the efficiency of system switching can be improved.

The invention provides a method and a device for acquiring process key data. The method reduces access processes of each data block by indexing different statistical data in the process key data consisting of process identification and type identification. For the acquisition of the process key data, background service processes and agent processes are reduced, and the probability of interferences happened among the background service processes is reduced, so that the mutual exclusion of the background service processes and the agent processes are effectively avoided, and the reliability of the acquisition of the process key data is enhanced.

The present invention proposes a transparent encryption and decryption method, computer equipment and storage medium based on a multi-thread environment. The transparent encryption and decryption method includes: obtaining a file descriptor FD, receiving an operation request from the first thread for a file; using an atomic operation function To operate the global VFDSet, search for the corresponding virtual file descriptor VFD in the global VFDSet through the file descriptor FD, if the virtual file descriptor VFD is not found, judge the current state of the file descriptor FD, if the current state is marked as closed state, the virtual file system will directly return an error message and end the process; if the current state is marked as an initialization state, call the I / O function of the operating system to directly perform plaintext operations on the file; if the virtual file descriptor VFD is found, based on The virtual file descriptor VFD implements transparent encryption and decryption operations on files at the virtual file system layer. The invention can solve the problem of mutual exclusion between multi-threads and avoid file data errors.

An efficient sampling port buffer management method, including: 1) When the sampling port is initialized; 2) When the source port writes data, write the data into the buffer pointed to by the temporary pointer; 3) After the data is written, exchange the pointer The pointers of the two buffers update the write buffer counter at the same time, and add 1 to the count value of the write buffer counter; 4) When reading data from the source port, first save the count value of the write buffer counter, and then start from the valid pointer Read the data in the buffer, compare it with the count value of the latest write buffer counter after reading, and judge whether the count value of the write buffer counter has changed; if so, repeat step 4) until the count value of the write buffer counter does not change. Change occurs; if not, the reading is complete; 5) Send and read messages by calling the sampling port. The invention provides an efficient sampling port buffer management method which can improve the communication efficiency of the sampling port.

The present invention discloses a communication system and a method based on a hypertext transmission protocol, the system comprises a WAP server terminal, a WAP gateway and a terminal, the WAP gateway comprises a HTTP module and a WAP application terminal, the HTTP module comprises a general control thread, at least a message queue, a working thread and a link pool, each working thread respectively manages one link pool; the general control thread is used to complete a message interaction of the WAP application terminal and the WAP server terminal or between the terminals, and to deposit themessage to the message queue; the working thread is used to receive the message from the message queue, and to put a link corresponding to the message in the link pool managed by the working thread, and used to select the link in the link pool managed by the working thread, to complete the data sending and receiving of the WAP application terminal and the WAP server terminal, and between the terminal. The system and the method described in the present invention can improve the efficiency and the reliability of the short connection processed by the HTTP module and ensures the high-efficient andstable operation of the system.

The invention discloses a permanent magnet installation tool of an electromagnetic actuator rotor. The permanent magnet installation tool of the electromagnetic actuator rotor comprises an outside limiting sleeve (1), an actuator rotor framework (2), a lower clapboard (3), an upper clapboard (4) and an installation assistant sleeve (5). The outside limiting sleeve (1) sleeves outside the actuator rotor framework (2); the outside limiting sleeve (1) and the actuator rotor framework (2) are placed on the same plane; and the installation assistant sleeve (5) is installed above the actuator rotor framework (2). The invention further discloses a permanent magnet installation method of the electromagnetic actuator rotor. According to the installation tool provided by the invention, a permanent magnet is limited through the lower clapboard and the outside limiting sleeve, so that the problem that the permanent magnets installed onto the actuator rotor framework are offset due to a repelling force between each two adjacent magnets can be solved, other permanent magnets can be installed conveniently, and the problem that the last one or two permanent magnets cannot be installed due to uneven clearance and mutual repulsion is solved.

The multiprocessor load distribution adjustment method relates to the field of data communication, in particular to the adjustment technology of each processor load distribution in multiprocessor network equipment. The invention comprises the following steps: a. the central processing unit obtains the bandwidth status of the system interface slot; b. according to the processing capability of each processor and the bandwidth status of the system interface slot, the central processing unit allocates interfaces for each processor in proportion. The method of the invention makes the data flows processed by each processor basically equal during operation, distributes processor resources evenly and appropriately, and avoids uneven busyness and idleness of a multiprocessor system.