Page 139 - slides.dvi

•
c
z
Unix
sl
ru
Case
Unix
=
=
=
=
Note:
Study—
above
is
Process
zombie
created
running
sleeping
Process
Scheduling
simplified

z
States
—
sl
(user-mode)
see
fork()
p
rk
rb
CS
sleep
exit
c
=
=
=
wakeup
section
interrupt
rb
rk
23.14
running
schedule
runnable
for
syscall
pre-empted
return
ru
preempt
detailed
(kernel-mode)
state
same
return
p

descriptions

of

all

states/transitions.
135