Reentrant

Origin

- + entrant

Full definition of reentrant

Adjective

1. Reentering; pointing inward.
2. (programming, of a mutual exclusion mechanism) Such that the corresponding lock can be reacquired by the locking thread.The global interpreter lock of the embedded scripting engine is not re-entrant.
3. (programming) That may be executed more than once at a time either by different threads, or because of recursion.Global variables must not be altered by reentrant code.
4. (transport, of a part of a rocket) Designed to return to the Earth's atmosphere.
5. (physiology) Of or pertaining to reentry (in the heart)

Derived terms

• macroreentrant
• microreentrant

Noun

1. An angle or part that reenters itself.
2. One who enters (the labour market, etc.) again.
3. (geography) A valley between a pair of parallel ridges