1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46 | procedure main(argc, argv[]):
if argc = 7 then
shared buffer_capacity := integer(argv[1])
shared buffer as array of buffer_capacity of float
shared rounds := integer(argv[2])
shared producer_min_delay := integer(argv[3])
shared producer_max_delay := integer(argv[4])
shared consumer_min_delay := integer(argv[5])
shared consumer_max_delay := integer(argv[6])
shared can_produce := create_semaphore(buffer_capacity)
shared can_consume := create_semaphore(0)
create_threads(1, produce)
create_threads(1, consume)
end if
end procedure
procedure produce:
declare count := 0
for round := 1 to rounds do
for index := 0 to buffer_capacity do
wait(can_produce)
delay(random_between(producer_min_delay, producer_max_delay))
buffer[index] := ++count
print("Produced ", buffer[index])
signal(can_consume)
end for
end for
end procedure
procedure consume:
for round := 1 to rounds do
for index := 0 to buffer_capacity do
wait(can_consume)
value := buffer[index]
delay(random_between(consumer_min_delay, consumer_max_delay))
print("Consumed ", value)
signal(can_produce)
end for
end for
end procedure
function random_between(min, max):
return min + rand() % (max - min)
end function
|