Current File : //usr/share/doc/libxml2-python-2.9.1/thread2.py
#!/usr/bin/python -u
import string, sys, time
try:
from _thread import get_ident
except:
from thread import get_ident
from threading import Thread, Lock
import libxml2
THREADS_COUNT = 15
failed = 0
class ErrorHandler:
def __init__(self):
self.errors = []
self.lock = Lock()
def handler(self,ctx,str):
self.lock.acquire()
self.errors.append(str)
self.lock.release()
def getLineNumbersDefault():
old = libxml2.lineNumbersDefault(0)
libxml2.lineNumbersDefault(old)
return old
def test(expectedLineNumbersDefault):
time.sleep(1)
global failed
# check a per thread-global
if expectedLineNumbersDefault != getLineNumbersDefault():
failed = 1
print("FAILED to obtain correct value for " \
"lineNumbersDefault in thread %d" % get_ident())
# check ther global error handler
# (which is NOT per-thread in the python bindings)
try:
doc = libxml2.parseFile("bad.xml")
except:
pass
else:
assert "failed"
# global error handler
eh = ErrorHandler()
libxml2.registerErrorHandler(eh.handler,"")
# set on the main thread only
libxml2.lineNumbersDefault(1)
test(1)
ec = len(eh.errors)
if ec == 0:
print("FAILED: should have obtained errors")
sys.exit(1)
ts = []
for i in range(THREADS_COUNT):
# expect 0 for lineNumbersDefault because
# the new value has been set on the main thread only
ts.append(Thread(target=test,args=(0,)))
for t in ts:
t.start()
for t in ts:
t.join()
if len(eh.errors) != ec+THREADS_COUNT*ec:
print("FAILED: did not obtain the correct number of errors")
sys.exit(1)
# set lineNumbersDefault for future new threads
libxml2.thrDefLineNumbersDefaultValue(1)
ts = []
for i in range(THREADS_COUNT):
# expect 1 for lineNumbersDefault
ts.append(Thread(target=test,args=(1,)))
for t in ts:
t.start()
for t in ts:
t.join()
if len(eh.errors) != ec+THREADS_COUNT*ec*2:
print("FAILED: did not obtain the correct number of errors")
sys.exit(1)
if failed:
print("FAILED")
sys.exit(1)
# Memory debug specific
libxml2.cleanupParser()
if libxml2.debugMemory(1) == 0:
print("OK")
else:
print("Memory leak %d bytes" % (libxml2.debugMemory(1)))
libxml2.dumpMemory()
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