fatal exception

(programming, operating system)A program execution errorwhich is trapped by the operating system and which resultsin abrupt termination of the program.

It may be possible for the program to catch some such errors,e.g. a floating point underflow; others, such as aninvalid memory access (an attempt to write to read-only memoryor an attempt to read memory outside of the program's address space), may always cause control to pass to the operatingsystem without allowing the program an opportunity to handlethe error. The details depend on the language's run-time system and the operating system.

See also: fatal error.

单词	fatal exception
释义	fatal exception fatal exception (programming, operating system)A program execution errorwhich is trapped by the operating system and which resultsin abrupt termination of the program. It may be possible for the program to catch some such errors,e.g. a floating point underflow; others, such as aninvalid memory access (an attempt to write to read-only memoryor an attempt to read memory outside of the program's address space), may always cause control to pass to the operatingsystem without allowing the program an opportunity to handlethe error. The details depend on the language's run-time system and the operating system. See also: fatal error.
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