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java.lang.Object BarrierSec
public class BarrierSec
This class shows how to synchronice a bunch of people who perform many activities.
This implementation is very inefficient because only 1 Bob can work at a time.
The main requirement is that no one will be performing activity n+1
until
everybody finishes activity n
. Each person is called Bob[i]
.
mutex
semaphore is used to ensure that only one Bob
is performing a task.reduce
is initialized using the number of Bobs
because each Bob[i]
needs to signal that they finished all his
task before termination.
Field Summary | |
---|---|
(package private) static int |
activity
Current activity to be performed by every Bob. |
(package private) static int |
ManyBobs
A bunch of Bobs perform the activities. |
(package private) static int |
N_Activities
This many task will be performed. |
(package private) static int |
remain
Number of Bobs that didnīt finish current activity yet. |
Constructor Summary | |
---|---|
BarrierSec()
|
Method Summary | |
---|---|
static void |
main(String[] args)
Main program. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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static final int N_Activities
static int activity
static int remain
static final int ManyBobs
Constructor Detail |
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public BarrierSec()
Method Detail |
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public static void main(String[] args)
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