- variables. A ****ex
consists of a kernel-space
wait queue that is
attached to an
atomic integer in userspace.
Multiple processes or
threads operate on the integer...
- that
prevents threads from
concurrently accessing a
shared object's state and
allows them to
wait for the
state to change. They
provide a
mechanism for threads...
- not
affect serializability. The
wait-for-graph
scheme is not
applicable to a
resource allocation system with
multiple instances of each
resource type...
- Inc. Web
Object's hallmark features are its
object-orientation,
database connectivity, and
prototyping tools.
Applications created with Web
Objects can be...
- system,
processes can
access a
shared object at the same time.
Because multiple processes are
accessing a
single object, a
situation may
arise in
which while...
- system:
Mutual exclusion:
multiple resources are not shareable; only one
process at a time may use each resource. Hold and
wait or
resource holding: a process...
- An
interstellar object is an
astronomical object (such as an asteroid, a comet, or a
rogue planet, but not a star or
stellar remnant) in
interstellar space...
- An
unidentified flying object (UFO), or
unidentified anomalous phenomenon (UAP), is any
perceived airborne,
submerged or
transmedium phenomenon that cannot...
-
transaction (T)
never has to
wait to Read a
database object (P) by
maintaining several versions of the
object. Each
version of
object P has both a Read Timestamp...
-
computer science, a mock
object is an
object that
imitates a
production object in
limited ways. A
programmer might use a mock
object as a test
double for...
