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Facilité d'utilisation
1
Processes
and
Process
Management
In
the
MPE/iX
family
of
computer
systems,
the
pro cess
is
the
basic
executable
en
tity
that
comp etes
for
the
resources
managed
b
y
MPE/iX.
The
notion
of
man
y
active
pro cesses
sharing
the
resources
of
the
computer
system
is
fundamen
tal
to
the
ecien
t
op eration
of
the
MPE/iX
op erating
system.
By
sharing
the
CPU
and
system
resources
among
m
ultiple
active
pro cesses,
resource
utilization
is
greatly
increased
and
system
throughput
improv
ed.
Pr
o
c
ess
Management
Pr
o
gr
ammer's
Guide
(32650-90023)
pro
vides
y
ou
with
information
that
will
assist
y
ou
in
y
our
dev
elopmen
t
of
programs
that
utilize
pro cess
managemen
t
capabilities
a
v
ailable
in
the
MPE/iX
op erating
system.
This
c
hapter
describ es
pro cesses
and
pro cess
managemen
t
under
MPE/iX,
and
in
tro
duces
pro cess
managemen
t
capabilities
and
system
in
trinsics
that
MPE/iX
makes
a
v
ailable
to
y
ou.
This
c
hapter
also
describ es
the
in
teractiv
e
session
as
a
system-managed
pro cess,
and
in
tro
duces
session
managemen
t
capabilities
and
system
in
trinsics
that
enable
y
our
program
to
create
and
ab ort
in
teractiv
e
sessions.
What
is
a
Process?
A
pro cess
is
the
basic
executable
en
tity
in
the
MPE/iX
op erating
system.
When
y
ou
en
ter
the
follo
wing
command:
:RUN
PROGNAME.PUB.MYACCT
y
ou
are
directing
MPE/iX
to
create
and
manage
a
pro cess
that
executes
the
co de
found
in
y
our
program
le
PR
OGNAME.
A
pro cess,
then,
can
b e
describ ed
as
a
program
and
its
en
vironmen
t.
The
program
consists
of
re-en
trant
and
shared
executable
co de.
The
en
vironmen
t,
created
and
managed
b
y
MPE/iX,
includes
all
resources
that
the
program
may
reference
or
use
that
are
exterior
to
the
program.
Resources
may
b e
main
memory
,
I/O
devices,
and
ev
en
other
pro cesses.
In
addition,
MPE/iX
m
ust
k
eep
a
record
of
the
curren
t
state
of
the
pro cess
and
what
is
curren
tly
in
the
en
vironmen
t.
Process
Components
A
pro cess
in
the
MPE/iX
op erating
system
consists
of
sharable
executable
co de,
a
priv
ate
data
area
a
v
ailable
to
the
pro cess,
and
a
data
structure
commonly
referred
to
as
a
pro cess
con
trol
blo
c
k
that
denes
the
pro cess
and
con
tains
p ointers
to
information
required
for
pro cess
managemen
t.
Processes
and
Process
Management
1-1
... Ce manuel est également adapté pour les modèles :
Logiciel - MPE/iX 6.5 Operating System (143.08 kb)
Logiciel - MPE/iX 7.0 Operating System (143.08 kb)
Logiciel - MPE/iX 7.5 Operating System (143.08 kb)