Home
Search
Index
Definify.com
Definition
2024
upcall
upcall
English
Noun
upcall
(
plural
upcalls
)
(
computing
,
programming
)
A
call
from a lower-level subsystem, such as a
kernel
or
framework
, to a higher-level subsystem, such as
user
code
.
Anagrams
call up
,
call-up
,
callup
Etymology
up-
+
call
Similar Results
Appall
Uphill
Upcast
Cupgall
Recall
Uncalm
Uproll