42 lines
878 B
Python
42 lines
878 B
Python
import time
|
|
import threading
|
|
import random
|
|
from appPublic.background import Background
|
|
|
|
class ThreadWorkers:
|
|
def __init__(self, max_workers=10):
|
|
self.semaphore = threading.Semaphore(value=max_workers)
|
|
self.co_worker = 0
|
|
def _do(self, func, *args, **kwargs):
|
|
try:
|
|
self.semaphore.acquire()
|
|
self.co_worker += 1
|
|
func(*args, **kwargs)
|
|
finally:
|
|
self.co_worker -= 1
|
|
self.semaphore.release()
|
|
|
|
|
|
def do(self, func, *args, **kwargs):
|
|
b = Background(self._do, func, *args, **kwargs)
|
|
b.start()
|
|
|
|
def get_workers(self):
|
|
return self.co_worker
|
|
|
|
def until_done(self):
|
|
time.sleep(0.1)
|
|
while self.co_worker > 0:
|
|
time.sleep(0.01)
|
|
|
|
if __name__ == '__main__':
|
|
def k(worker):
|
|
t = random.randint(1,4)
|
|
print('current workers=',worker.get_workers(), 'sleep=', t)
|
|
time.sleep(t)
|
|
|
|
w = ThreadWorkers(max_workers=30)
|
|
for i in range(100000):
|
|
w.do(k, w)
|
|
|