Providing system services
US12254079B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2022 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Jun 2, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/1052
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present disclosure relate to a method, system and computer program product for providing system services. In some embodiments, a method is disclosed. According to the method, from a user program in a user address space, a request for a system service is received via a program call instruction of a set of program call instructions in an application interface code library. Based on the program call instruction, a target authorized address space of a plurality of authorized address spaces and a target system service routine for providing the system service in the target authorized address space is determined. A result of running the target system service routine in the target authorized address space is returned to the user program as a response to the request.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.