python多进程编程
from multiprocessing import Process, Pool, current_process, cpu_count, Queue, Lock, Manager, Value, Array
import os
import time
import random
from queue import Empty, Full
import ctypes
def mul(x):
# 当前运行进程
print(f'当前进程 (PID: {os.getpid()}): {x}')
time.sleep(2)
return x * x
def push(q):
time.sleep(2)
q.put("hello")
def worker():
print(f'子进程 (PID: {os.getpid()})')
time.sleep(5)
print(f'子进程结束 (PID: {os.getpid()})')
