#! /usr/bin/env python3
import sys, os
from os import getpid, fork
from time import sleep, time
from svipc import sem_init, sem_take, sem_give, sem_cleanup
# create id
sid = int(0x7dcb0000) | getpid()
# create a pool with one semaphore
sem_init(sid, nums=1)
# time unit for test
delay = 0.5
class unit_test(object):
def __init__(self):
self.errmsg = ''
if fork():
if not self.parent(): print('OK')
else: print('ERROR', self.errmsg)
else:
self.child()
exit()
def parent(self):
return 0
def child(self):
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)
#! /usr/bin/env python3
import sys, os
from os import getpid, fork
from time import sleep, time
from svipc import sem_init, sem_take, sem_give, sem_cleanup
# create id
sid = int(0x7dcb0000) | getpid()
# create a pool with one semaphore
sem_init(sid,nums=1)
# time unit for test
delay=0.5
class unit_test(object):
def __init__(self):
self.errmsg=''
if fork():
if not self.parent(): print('OK')
else: print('ERROR', self.errmsg)
else:
self.child()
exit()
def parent(self): return 0
def child(self): pass
class ut1(unit_test):
def parent(self):
print('- wait for child forever:')
num_ = 10000000
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)
