14 results about "POSIX" patented technology

The invention provides a large model assisted Fuzz test Harness generation method and system, and the method comprises the steps: migrating a library of a QNX platform to a Linux environment for operation, and carrying out the glue code packaging of interface difference and system call difference through the generality that the library of the QNX platform and the Linux environment share a POSIX standard, thereby achieving the automatic adaptation of key API and context constraint; then analyzing binary semantics by means of an intelligent Agent constructed by a large model, automatically generating a Harness skeleton, focusing potential dangerous points (such as memory management, character string processing functions and the like), generating an initial seed in combination with a static or dynamic analysis result, and finally executing a Fuzz test in a controllable execution environment. And high coverage and rapid vulnerability positioning of the multi-dimensional attack vector of the target library are realized. The technical problems that Harness writing highly depends on expert experience, a customized generation strategy for target binary semantics is lacked, and comprehensive understanding on the binary semantics and context constraints is lacked are solved.

Embodiments of the present disclosure relate to vehicle signals communicated using POSIX-based directory interfaces. A method of obtaining vehicle signal data. The method includes reading, by a communication service layer application executing on a computer system, a vehicle signal directory, wherein the directory defines vehicle signals as full path file names; receiving, by the communication service layer application, a request from a second application for a value of a vehicle signal, wherein the request identifies the vehicle signal as a full path file name; obtaining, by the communication service layer application, the value of the vehicle signal; and returning the value of the vehicle signal to the second application.

Embodiments herein describe bypassing a step that would otherwise prompt a user to manually input credentials to access a traditional environment after establishing connection to a POSIX environment. In some embodiments, the credentials used to login to the POSIX compliant environment can be automatically inputted into a field that enables access to a traditional environment. In other embodiments, the use of archived credentials can be used once a connection to a POSIX compliant environment is established, providing access to a traditional environment. Additionally, a level of trust between the POSIX compliant environment and the traditional environment can be established enabling access to the traditional environment.

The invention relates to an OTA data storage optimization method and system for a vehicle-mounted MCU and a vehicle, and the method comprises the steps: reserving an RAM region in a link script of the MCU, taking the reserved RAM region as a head space of a YAFFS file system layer, and carrying out the memory allocation operation of the head space through a static stack manager; an NAND driving layer is constructed, a command sequence is sent through an SPI peripheral of the MCU, and six physical interfaces are realized; mapping a physical interface of the NAND driving layer into a standardized function pointer which can be identified by the YAFFS file system layer; an OTA storage partition is created in the NAND Flash; a POSIX-like interface is realized in the file system interface layer, and meanwhile, adaptation between the file system interface layer and the user application layer is completed; and deploying five layers of software architecture from top to bottom. According to the invention, the MCU has high data storage management capability in the OTA process.

This invention discloses an adaptive collaborative data acquisition system and method for power Internet of Things (IoT) terminals. It aims to solve problems related to limited terminal hardware resources, heterogeneous operating systems, and ensuring the real-time performance of core power services. The method establishes a three-in-one collaborative intelligent acquisition mechanism integrating "resources, links, and services," specifically including: a power service semantic perception module: identifying active core power service types in real time by reading process command lines and TCP ports; a nonlinear sampling frequency decision module: dynamically adjusting the sampling frequency based on service load and network link conditions using a piecewise nonlinear mapping function; a resource game Pareto optimization module: optimizing resource allocation by using an iterative algorithm to solve for the Nash equilibrium point between the probe and the service process online, with a hard constraint that the CPU utilization of the acquisition probe does not exceed 3%; and a lightweight data communication module: achieving efficient inter-process communication using a combination of POSIX shared memory, mmap zero-copy, and anonymous pipes.

The invention discloses a file system performance monitoring system, which is characterized in that a file system is provided with a web interface, an agent agent program and a database at a user side, and the file system is provided with a monitoring module and a POSIX interface at a kernel side; the web interface is configured as follows: the web interface is used for displaying an overall performance monitoring condition of the file system and file system related data of an application needing to be monitored; the agent agent program is configured as follows: the agent agent program communicates with a web interface through an http protocol, receives parameters issued by the web interface and application names needing to be monitored, and establishes connection with the monitoring module in the kernel through a socket; the database is configured to store monitoring data sent by the monitoring module and received by the agent agent program, and when a user executes a query operation on the monitoring data on a web interface, the database executes a corresponding query statement and returns a result to the agent agent program; the monitoring module is configured to comprise a transmission module, a management module and a statistics module.

Embodiments herein describe bypassing a step that would otherwise prompt a user to manually input credentials to access a traditional environment after establishing connection to a POSIX environment. In some embodiments, the credentials used to login to the POSIX compliant environment can be automatically inputted into a field that enables access to a traditional environment. In other embodiments, the use of archived credentials can be used once a connection to a POSIX compliant environment is established, providing access to a traditional environment. Additionally, a level of trust between the POSIX compliant environment and the traditional environment can be established enabling access to the traditional environment.

A method of obtaining vehicle signal data. The method comprises reading a vehicle signals catalog by a communication service layer application that executes on a computer system, wherein the catalog defines vehicle signals as full path filenames; receiving a request for a value of a vehicle signal by the communication service layer application from a second application, wherein the request identifies the vehicle signal as a full path filename; obtaining the value of the vehicle signal by the communication service layer application; and returning the value of the vehicle signal the second application.

The invention discloses a Symbolic Kernel for Neuroadaptive Wearables (SKNW), a real-time embedded operating system enabling symbolic cognition, ethical reasoning, and adaptive agent modulation in wearable AI devices. The system interprets biometric signals including EEG, GSR, HRV, and facial microexpressions, converting them into symbolic cognitive primitives that guide AGI behavior. It comprises a Biometric-Symbolic Compiler, Wearable Arbitration Engine, AGI Intent Modulator, and Neurofeedback Override Channel to establish a closed-loop symbolic feedback pathway allowing users to influence, pause, or override AGI actions based on emotional or ethical states. The kernel provides explainable, consent-aware arbitration and ethical co-regulation between human and agent, ensuring real-time alignment with user volition. Implemented as a POSIX-compliant, RTOS-capable kernel for edge and wearable platforms, the SKNW supports Bluetooth-based data acquisition and on-device symbolic execution, enabling interpretable, ethically responsive, and emotionally adaptive interaction between humans and neuroadaptive AGI assistants.

To provide vehicle signals communicated using a POSIX-based directory interface. [Solution] A method for acquiring vehicle signal data. The method includes: reading a vehicle signal catalog by a communication service layer application running on a computer system, wherein the catalog defines vehicle signals as full-path file names; receiving a request from a second application by the communication service layer application regarding the values ​​of vehicle signals, wherein the request identifies the vehicle signals as full-path file names; acquiring the values ​​of the vehicle signals by the communication service layer application; and returning the values ​​of the vehicle signals to the second application.

The application relates to the technical field of network operation and maintenance, in particular to an automatic operation and maintenance method and system based on artificial intelligence. The method collects detailed log information containing security events in real time through a security information and event management system configured at a target endpoint, then uses an agent artificial intelligence system to clean, label and structure process the log data, generates standardized metadata, maps the metadata with an MITRE ATT&CK knowledge base, identifies the technical features and behavior patterns of attacks, compares the enriched log data with external threat intelligence sources, analyzes the TTP of known attack groups, generates a threat intelligence correlation report, uses a large language model to generate a targeted response plan, generates an executable command sequence according to the response plan, connects the agent executor with the server through a WebSocket protocol, executes the command in a POSIX shell environment, captures and returns the execution result, verifies the execution result, performs necessary command optimization, records the optimized response to a vector database, automatically matches historical events through a vector retrieval mechanism, triggers a predefined response process, and realizes continuous threat monitoring and adaptive response. The application can solve the problem that the existing security operation and maintenance cannot form a closed loop of terminal executor, data enrichment and historical event recall.

Embodiments described herein are generally related to cloud computing environments, such as cloud infrastructure or data analytics environments, and are particularly directed to systems and methods providing an object storage based volume service, with support for filesystem access. In accordance with an embodiment, filesystem access can be provided in accordance with Portable Operating System Interface (POSIX) standards, for storage and use of data within the cloud computing environment. The system can virtualize a hierarchical namespace for use with mounted filesystem paths on client machines, wherein paths to folders or individual files are mapped to immutable identifiers (IDs) are stored in a metadata layer as path-to-IDS mappings. Operations such as folder or file renames or deletes can be performed efficiently and independently of the folders / files below, by respectively updating a new name for an immutable ID, or by removing the immutable ID from the path-to-ID mapping.

The application discloses a lightweight operating system memory management subsystem based on Rust language, which comprises a processor architecture abstraction layer, an allocator and mapper layer and a user space management layer, the allocator and mapper layer comprises a kernel allocator, a kernel page mapper and an MMIO space management mechanism; the processor architecture abstraction layer is used for providing a unified abstraction for shielding hardware details for the allocator and mapper layer; the kernel allocator is used for managing allocation and recovery of memory space, and is connected to the user space management layer and the MMIO space management mechanism upward, and is connected to the architecture abstraction layer downward; the kernel page mapper is used for mapping the memory space to a processor page table, and is connected to the user space management layer and the MMIO space management mechanism upward, and is connected to the architecture abstraction layer downward, and is connected to the kernel allocator laterally; and the user space management layer comprises a posix standard system call interface. The subsystem provided by the application has the characteristics of lightweight, high safety, good compatibility and scalability.

The application discloses a file system supporting rich metadata management and relates to the field of electronic digital data processing.The file system comprises a registration module, a namespace query module, a first data management module and a second data management module, and can be used as a file daemon of a FUSE framework to provide traditional file access and newly-added rich metadata management services for users.The rich metadata management service can provide metadata insertion, reading, deletion and display operations in addition to POSIX semantics, and can pack files with the same metadata attribute values or similar metadata attribute values into wrappers through automatic wrapper packing and mounting operations, and mount the files under the root directory of the file system in a virtual directory mode, so that users can quickly filter interested data from mass files by accessing the virtual directory.