Esempio n. 1
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import svipc
import sys
import time



# retreive ids
my_shmid,my_semid,my_msqid = [int(a) for a in sys.argv[1:]]

# wait one sec

#let yorick wait ..
time.sleep(1)

# tell it to go
svipc.sem_give(my_semid,id=0)

# play 1

for i in range(3):
   time.sleep(1)
   svipc.sem_give(key=my_semid,id=0)

# play 2

svipc.sem_take(my_semid,0)

for i in range(3):
   msg = svipc.shm_read(my_shmid,id="pingpong",subscribe=-1.0)
   time.sleep(1)
   msg[i]=0
Esempio n. 2
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 def child(self):
     for i in range(10):
         sem_give(sid, 0)
Esempio n. 3
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 def child(self):
     sem_give(sid, 0)
Esempio n. 4
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 def child(self):
   sem_give(sid,0)
Esempio n. 5
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 def child(self):
     sleep(delay)
     sem_give(sid, 0)
Esempio n. 6
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 def child(self):
   for i in range(10):
     sem_give(sid,0)
Esempio n. 7
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 def child(self):
   sleep(delay)
   sem_give(sid,0)
Esempio n. 8
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#! /usr/bin/env python

import svipc
import sys
import time

# retreive ids
my_shmid, my_semid, my_msqid = [int(a) for a in sys.argv[1:]]

#let yorick wait .. for fun
sys.stderr.write('P: sleeping 1s.\n')
time.sleep(1)

# tell it to go
sys.stderr.write('P: yorick may go.\n')
svipc.sem_give(my_semid, id=0)

# play 1
for i in range(3):
    time.sleep(1)
    sys.stderr.write('P: sem give %d.\n' % i)
    svipc.sem_give(key=my_semid, id=0)

# play 2

sys.stderr.write('P: wait synch from yorick\n')

svipc.sem_take(my_semid, 1)

sys.stderr.write('P: going now\n')
Esempio n. 9
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n = 32

stoopid=numpy.ones(n)
stoopid[n-1]=n
data = numpy.arange(n).reshape(stoopid)
#print data.shape


# create id
svid0 = 0x7dcb0000 | getpid()
svid1 = svid0+1

# create a pool with one shmaphore
shm_init(svid0,slots=1)
sem_init(svid1,nums=1)

if fork():
  for i in range(num_):
    shm_write(svid0,'slot0',data,publish=0) # shm id's are string ... doh
    sem_take(svid1,0)
else:
  time.sleep(1)
  for i in range(num_):
    d=shm_read(svid0,'slot0',0)
    sem_give(svid1,0)
    ### print d
  exit()

sem_cleanup(svid1)
shm_cleanup(svid0)
Esempio n. 10
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n = 32

stoopid = numpy.ones(n)
stoopid[n - 1] = n
data = numpy.arange(n).reshape(stoopid)
#print data.shape

# create id
svid0 = 0x7dcb0000 | getpid()
svid1 = svid0 + 1

# create a pool with one shmaphore
shm_init(svid0, slots=1)
sem_init(svid1, nums=1)

if fork():
    for i in range(num_):
        shm_write(svid0, 'slot0', data,
                  publish=0)  # shm id's are string ... doh
        sem_take(svid1, 0)
else:
    time.sleep(1)
    for i in range(num_):
        d = shm_read(svid0, 'slot0', 0)
        sem_give(svid1, 0)
        ### print d
    exit()

sem_cleanup(svid1)
shm_cleanup(svid0)