supervisor call


supervisor call

[′sü·pər‚vī·zər ‚kȯl] (computer science) A mechanism whereby a computer program can interrupt the normal flow of processing and ask the supervisor to perform a function for the program that the program cannot or is not permitted to perform for itself. Also known as system call.

supervisor call

The instruction in an application program that switches the computer to the operating system state. See supervisor state.