Hi,
Here is a code example to visualize my problem.
--
import thread
import threading
from time import sleep
def a():
print "exec a"
sleep(1)
def b():
print "exec b"
sleep(4)
def c():
print "exec c"
sleep(3)
def d():
print "exec d"
sleep(2)
def e():
print "exec e"
sleep(2)
def s():
print "exec s"
# ...
# code which synchronize the incoming three threads
#
print "in synch"
def main(sstr):
nodes = sstr.split(",")
print nodes
for n in nodes:
if n is "a":
a()
elif n is "b":
b()
elif n is "c":
c()
elif n is "d":
d()
elif n is "e":
e()
elif n is "s":
s()
else:
print "unkown"
#A
threading.Thread(target=main, args=("b,c,s,e",)).start()
#B
threading.Thread(target=main, args=("c,s,e",)).start()
#C
threading.Thread(target=main, args=("s,e",)).start()
#D
threading.Thread(target=main, args=("c,e",)).start()
--
The threads which arrives to the s function should wait for each other
until the last one. So A, B, and C executes the last function
'together', while D executes it seperate.
I only know that three threads have to be in synch.
I've been now spending a week on the problem.
The same problem should also be solved in C++. Buts thats another
issue. (Someone knows, too?)
Thanks,
Martin
--
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