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

The invention discloses an SKB reusing method in a multinuclear system, comprising the following steps: A. numbering each processor of the multinuclear system in turn, establishing n numbered SKB reusing sequences for each processor, and numbering for the reusing sequences; B. when recovering an SKB buffer area, inserting the SKB buffer area as the head part of the SKB reusing sequence which is bound by the processor responsible for allocating for the buffer area and has a consistent number with the processor responsible for recovering; and C. when reusing the SKB buffer area, traversing all the n numbered SKB reusing sequences bound by the processor executing reusing allocation, and taking a second SKB buffer area for reusing allocation from the sequence with the number of the buffer areas larger than 1. The invention simultaneously provides a corresponding SKB reusing device of the multinuclear system. By using the scheme of the invention, compared with the existing SKB reusing mechanism, the invention can reduce the influence of a mutex lock and optimizes the CACHE behavior, thereby effectively improving message forwarding performance of the multinuclear system.

The present invention relates to a data splitting method and splitter. The data splitting method comprises: a splitter parsing a received packet and determining the transport layer communications protocol to which said packet belongs; said splitter obtaining from said packet the identification information of the data stream, to which the packet belongs, corresponding to said determined transport layer communications protocol; according to the correlation between said transport layer communications protocol and a flow table, the splitter obtaining from the storage device the flow table corresponding to the transport layer communications protocol to which said packet belongs; said splitter determining, according to the correlations between the identification information and threads of the data stream in the flow table corresponding to the transport layer communications protocol to which said packet belongs, the thread corresponding to the data stream to which said packet belongs; said splitter sending said packet to the buffer queue of the thread corresponding to said data stream, to enable the thread corresponding to the data stream to obtain the packet from said buffer queue.

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.

A cultivation medium specially used for sugar orange is disclosed. The medium includes 20-30 parts of waste adobe, 10-18 parts of seabed mud, 3-8 parts of river sand, 2-5 parts of traditional Chinese medicine dregs, 8-15 parts of bagasse, 10-14 parts of pig dung, 3-9 parts of pericarp dregs, 5-10 parts of firecracker scraps, 2-6 parts of edible mushroom leftovers, 4-11 parts of wheat hull, 6-12 parts of cottonseed shells, 5-9 parts of diatomite, 2-4 parts of ceramsite, 1-4 parts of cellulose decomposition bacteria, 3-8 parts of a fermentative strain and 9-13 parts of an inorganic fertilizer. The waste adobe, the seabed mud and domestic waste, such as the traditional Chinese medicine dregs, the bagasse, the pericarp dregs and the firecracker scraps, are adopted as raw materials, thus reducing secondary pollution of the domestic waste to the society, and achieving an ecological cycle in which waste is reutilized and waste is turned into things of value. The medium which is comprehensive in nutrients and balanced in ratio can be prepared through reasonably matching.

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 discloses milk calcium powder for promoting skeleton growth and enhancing immunity. The milk calcium powder is prepared from the following ingredients in parts by weight: 0.1-35 parts of milk calcium, 0.01-4.76 parts of calcium L-aspartate, 0.985-2.584 parts of tricalcium phosphate, 0.46-0.73 part of magnesium carbonate, 0.043-0.128 part of zinc gluconate, 0.1-0.8 part of casein phosphopeptides, 0.11-0.14 part of taurine and 10-70 parts of whole milk powder. The milk calcium powder can effectively increase the absorption and utilization rate of calcium, phosphorus, magnesium and zinc, so that the purposes of promoting skeleton growth and enhancing immunity are achieved.

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.

According to a text description conversion method and device, electronic equipment and a storage medium provided by the invention, the text description of the to-be-processed service is subjected to word segmentation and correction processing to obtain the metadata of each sub-description, and the metadata of each sub-description is written into the data list of the corresponding type according tothe data attribute of the metadata; the function mapping table is utilized to perform data mapping on metadata in each type of data list to obtain mapping logic data corresponding to the text description; according to a preset data conversion rule of the directed acyclic graph, a directed acyclic graph is obtained, and the mapping logic data is processed, computer visualization processing is carried out on the processed mapping logic data. Compared with an existing mode that conversion rules are compiled manually, the scheme provided by the invention effectively improves the development efficiency and the conversion efficiency, and conversion redundancy or mutual exclusion caused by manual compilation of the conversion rules is avoided.

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 present invention discloses healthy frozen sweet bread containing compound beta-glucan and a preparation method of the healthy frozen sweet bread. The healthy frozen sweet bread comprises the following raw materials: frozen dough mix powder, water, compound beta-glucan, oat beta-glucan, yeasts, lactic acid, whole milk powder, butter, ghee, whole egg liquid, salt, a frozen dough improver, sugar, honey and citric acid. The beta-glucans with similar and different bond types in oat and agaricus blazei are combined, stability of the structure under different conditions is ensured, at the same time, healthy and beneficial functions for human body are well played, quality of the frozen sweet dough product is optimized at the same time, a health-care function is reached, and the preparation method improves content of the beta-glucan in the product and avoids mutual exclusion of the beta-glucan on the dough and the corresponding product bread.

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 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 embodiments of the present invention relate to a method for recognizing a plug-and-play device, and an electronic device. In this method, an electronic device determines a device type of an external device according to a working state of a power bus pin of a universal serial bus (USB) connector. When the device type is a charging-type device, the electronic device enters a charging mode. Alternatively, when the device type is a non-charging-type device, the electronic device acquires a first voltage value of an ID pin of the USB connector. If the first voltage value is greater than a first voltage threshold and is less than a second voltage threshold, the electronic device turns off a plug-and-play OTG function, and the first voltage threshold is less than the second voltage threshold. The method improves the accuracy of identifying the electronic device entering an OTG mode without adding a device, reduces costs, and at the same time, avoids the power consumption generated by frequently awakening the electronic device due to voltage fluctuations of a GPIO port in a non-OTG mode, and prevents the OTG mode from being entered by mistake.

The invention relates to a classifying, status tracking and message processing device and method for network, implementing finely granular flow control by dynamic flow classification method based on IP quinary group or other specific tags, implementing high speed parallel flow processing by plural parallel devices and inside-device multiple process / thread mechanisms, avoiding large number of exclusive and synchronous operations caused by parallel processing by the measures of slitting network flow table, setting unique writer of flow recording list, strictly stipulating write instruction sequence in list insert and delete operating processes to keep list integrity, etc, and thus further raising processing efficiency. And it is applied to various parallel processing environments, such as network processor, ASIC, FPGA, multikernel processor, symmetrical multiprocessor (SMP), and software process / thread, having good inter-platform compatibility, extendibility and practicality.

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 invention provides a transparent encryption and decryption method based on a multi-thread environment, computer equipment and a storage medium, and the method comprises the steps of obtaining a file descriptor FD, and receiving an operation request of a first thread for a file; using an atomic operation function to operate the global VFDSet, searching a virtual file descriptor VFD corresponding to the file descriptor FD in the global VFDSet through the file descriptor FD, judging the current state of the file descriptor FD if the virtual file descriptor VFD is not searched, directly returning error information by the virtual file system if the current state is marked as a closed state, and ending the process; if the current state is marked as the initialized state, calling an I / O function of an operating system to directly perform plaintext operation on the file; and if the virtual file descriptor VFD is found, realizing transparent encryption and decryption operation on the file in the virtual file system layer based on the virtual file descriptor VFD. According to the invention, the problem of mutual exclusion among multiple threads can be solved, and file data errors are avoided.

The invention relates to the technical field of ceramic, and in particular relates to a break-resistant ceramic cup and a manufacturing process of the break-resistant ceramic cup. The ceramic cup comprises an inner water storage layer and an outer protection layer, wherein a plurality of conical bulges are arranged on the outer surface of the inner water storage layer; the inner water storage layer is prepared from the following raw materials in parts by mass: 10-20 parts of sodium silicate, 45-60 parts of anti-corrosion wax, 5-10 parts of industrial alkali powder, 20-30 parts of quartz, 300-400 parts of argil, and 100-130 parts of attapulgite clay; the outer protection layer is prepared from the following raw materials in parts by mass: 5-10 parts of sodium silicate, 20-30 parts of anti-corrosion wax, 3-7 parts of industrial alkali powder, 3-5 parts of carbon fibers, 0.5-1.5 parts of pitch, 10-15 parts of zirconium oxide, 8-12 parts of cast stone, 5-8 parts of aluminium oxide, 5-8 parts of silicon carbide material, and 250-320 parts of argil. The cup is high-end and elegant in use, the protection layer is arranged on the outer part, so that the hardness of the ceramic cup is improved, and thus the cup is break-resistant and collision-resistant.

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.