from concurrent.futures import ThreadPoolExecutor<\/p>\ndef task(n):<\/p>\n
print(f"Task {n} is running")<\/p>\n
return n * 2<\/p>\n
with ThreadPoolExecutor(max_workers=4) as executor:<\/p>\n
futures = [executor.submit(task, i) for i in range(10)]<\/p>\n
results = [future.result() for future in futures]<\/p>\n
print(results)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7ebf\u7a0b\u6c60\uff0c\u6700\u5927\u7ebf\u7a0b\u6570\u4e3a4\u3002\u6211\u4eec\u63d0\u4ea4\u4e8610\u4e2a\u4efb\u52a1\u7ed9\u7ebf\u7a0b\u6c60\uff0c\u5e76\u83b7\u53d6\u4e86\u4efb\u52a1\u7684\u6267\u884c\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5e38\u89c1\u95ee\u9898\u548c\u89e3\u51b3\u65b9\u6848<\/h3>\n<\/p>\n
5.1 GIL\uff08\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff09<\/h4>\n<\/p>\n
Python\u7684GIL\u9650\u5236\u4e86\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u5728\u6267\u884cPython\u5b57\u8282\u7801\uff0c\u8fd9\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4f1a\u964d\u4f4e\u591a\u7ebf\u7a0b\u7684\u6027\u80fd\u3002\u867d\u7136GIL\u5b58\u5728\uff0c\u4f46\u591a\u7ebf\u7a0b\u5728I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u4e2d\u4ecd\u7136\u6709\u4f18\u52bf\u3002<\/p>\n<\/p>\n
5.2 \u7ade\u6001\u6761\u4ef6\u548c\u6b7b\u9501<\/h4>\n<\/p>\n
\u7ade\u6001\u6761\u4ef6\u548c\u6b7b\u9501\u662f\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\u7684\u5e38\u89c1\u95ee\u9898\u3002\u4f7f\u7528\u9002\u5f53\u7684\u540c\u6b65\u673a\u5236\uff08\u5982\u9501\u3001\u6761\u4ef6\u53d8\u91cf\uff09\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<\/p>\n
import threading<\/p>\nlock1 = threading.Lock()<\/p>\n
lock2 = threading.Lock()<\/p>\n
def task1():<\/p>\n
with lock1:<\/p>\n
print("Task 1 acquired lock1")<\/p>\n
with lock2:<\/p>\n
print("Task 1 acquired lock2")<\/p>\n
def task2():<\/p>\n
with lock2:<\/p>\n
print("Task 2 acquired lock2")<\/p>\n
with lock1:<\/p>\n
print("Task 2 acquired lock1")<\/p>\n
thread1 = threading.Thread(target=task1)<\/p>\n
thread2 = threading.Thread(target=task2)<\/p>\n
thread1.start()<\/p>\n
thread2.start()<\/p>\n
thread1.join()<\/p>\n
thread2.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u6b7b\u9501\uff0c\u56e0\u4e3a\u4e24\u4e2a\u7ebf\u7a0b\u4e92\u76f8\u7b49\u5f85\u5bf9\u65b9\u91ca\u653e\u9501\u3002\u907f\u514d\u6b7b\u9501\u7684\u65b9\u6cd5\u4e4b\u4e00\u662f\u6309\u987a\u5e8f\u83b7\u53d6\u9501\u3002<\/p>\n<\/p>\n
\u516d\u3001\u7ebf\u7a0b\u7684\u9ad8\u7ea7\u7528\u6cd5<\/h3>\n<\/p>\n
6.1 \u5b88\u62a4\u7ebf\u7a0b<\/h4>\n<\/p>\n
\u5b88\u62a4\u7ebf\u7a0b\u5728\u4e3b\u7ebf\u7a0b\u7ed3\u675f\u65f6\u4f1a\u81ea\u52a8\u9000\u51fa\u3002\u901a\u8fc7\u8bbe\u7f6e\u7ebf\u7a0b\u7684daemon<\/code>\u5c5e\u6027\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3a\u5b88\u62a4\u7ebf\u7a0b\u3002<\/p>\n<\/p>\nimport threading<\/p>\nimport time<\/p>\n
def daemon_task():<\/p>\n
while True:<\/p>\n
print("Daemon thread is running")<\/p>\n
time.sleep(1)<\/p>\n
daemon_thread = threading.Thread(target=daemon_task)<\/p>\n
daemon_thread.daemon = True<\/p>\n
daemon_thread.start()<\/p>\n
time.sleep(5)<\/p>\n
print("Main thread is exiting")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b88\u62a4\u7ebf\u7a0b\u4f1a\u5728\u4e3b\u7ebf\u7a0b\u7ed3\u675f\u65f6\u81ea\u52a8\u9000\u51fa\u3002<\/p>\n<\/p>\n
6.2 \u7ebf\u7a0b\u95f4\u901a\u4fe1<\/h4>\n<\/p>\n
\u7ebf\u7a0b\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7\u961f\u5217\u8fdb\u884c\u901a\u4fe1\u3002Python\u63d0\u4f9b\u4e86queue<\/code>\u6a21\u5757\u6765\u5b9e\u73b0\u7ebf\u7a0b\u5b89\u5168\u7684\u961f\u5217\u3002<\/p>\n<\/p>\nimport threading<\/p>\nimport queue<\/p>\n
def producer(q):<\/p>\n
for i in range(5):<\/p>\n
q.put(i)<\/p>\n
print(f"Produced: {i}")<\/p>\n
def consumer(q):<\/p>\n
while True:<\/p>\n
item = q.get()<\/p>\n
if item is None:<\/p>\n
break<\/p>\n
print(f"Consumed: {item}")<\/p>\n
q = queue.Queue()<\/p>\n
thread1 = threading.Thread(target=producer, args=(q,))<\/p>\n
thread2 = threading.Thread(target=consumer, args=(q,))<\/p>\n
thread1.start()<\/p>\n
thread2.start()<\/p>\n
thread1.join()<\/p>\n
q.put(None)<\/p>\n
thread2.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u751f\u4ea7\u8005\u7ebf\u7a0b\u5c06\u9879\u76ee\u653e\u5165\u961f\u5217\uff0c\u6d88\u8d39\u8005\u7ebf\u7a0b\u4ece\u961f\u5217\u4e2d\u83b7\u53d6\u9879\u76ee\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u591a\u7ebf\u7a0b\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n
\u591a\u7ebf\u7a0b\u9002\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u5982\u6587\u4ef6\u8bfb\u5199\u3001\u7f51\u7edc\u901a\u4fe1\u7b49\u3002\u5bf9\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u591a\u7ebf\u7a0b\u53ef\u80fd\u4e0d\u4f1a\u5e26\u6765\u6027\u80fd\u63d0\u5347\uff0c\u751a\u81f3\u53ef\u80fd\u56e0\u4e3aGIL\u800c\u964d\u4f4e\u6027\u80fd\u3002<\/p>\n<\/p>\n
7.1 \u6587\u4ef6\u8bfb\u5199<\/h4>\n<\/p>\n
\u591a\u7ebf\u7a0b\u53ef\u4ee5\u52a0\u5feb\u6587\u4ef6\u7684\u8bfb\u5199\u901f\u5ea6\uff0c\u5c24\u5176\u662f\u591a\u4e2a\u6587\u4ef6\u540c\u65f6\u8bfb\u5199\u65f6\u3002<\/p>\n<\/p>\n
import threading<\/p>\ndef read_file(filename):<\/p>\n
with open(filename, 'r') as file:<\/p>\n
data = file.read()<\/p>\n
print(f"Read {len(data)} bytes from {filename}")<\/p>\n
filenames = ['file1.txt', 'file2.txt', 'file3.txt']<\/p>\n
threads = [threading.Thread(target=read_file, args=(filename,)) for filename in filenames]<\/p>\n
for thread in threads:<\/p>\n
thread.start()<\/p>\n
for thread in threads:<\/p>\n
thread.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
7.2 \u7f51\u7edc\u901a\u4fe1<\/h4>\n<\/p>\n
\u591a\u7ebf\u7a0b\u53ef\u4ee5\u63d0\u9ad8\u7f51\u7edc\u901a\u4fe1\u7684\u5e76\u53d1\u6027\uff0c\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u3002<\/p>\n<\/p>\n
import threading<\/p>\nimport socket<\/p>\n
def handle_client(client_socket):<\/p>\n
request = client_socket.recv(1024)<\/p>\n
print(f"Received: {request}")<\/p>\n
client_socket.send(b"ACK")<\/p>\n
client_socket.close()<\/p>\n
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n
server.bind(("0.0.0.0", 9999))<\/p>\n
server.listen(5)<\/p>\n
while True:<\/p>\n
client_socket, addr = server.accept()<\/p>\n
print(f"Accepted connection from {addr}")<\/p>\n
client_handler = threading.Thread(target=handle_client, args=(client_socket,))<\/p>\n
client_handler.start()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python 3.6\u4e2d\uff0c\u591a\u7ebf\u7a0b\u53ef\u4ee5\u901a\u8fc7threading<\/code>\u6a21\u5757\u8f7b\u677e\u5b9e\u73b0\u3002\u7ebf\u7a0b\u5141\u8bb8\u7a0b\u5e8f\u5728\u591a\u4e2a\u4efb\u52a1\u4e4b\u95f4\u6765\u56de\u5207\u6362\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5e76\u53d1\u6027\u548c\u6027\u80fd<\/strong>\u3002\u591a\u7ebf\u7a0b\u7279\u522b\u9002\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u5982\u6587\u4ef6\u8bfb\u5199\u548c\u7f51\u7edc\u901a\u4fe1\u3002\u901a\u8fc7\u9002\u5f53\u7684\u540c\u6b65\u673a\u5236\uff08\u5982\u9501\u3001\u6761\u4ef6\u53d8\u91cf\uff09\u53ef\u4ee5\u9632\u6b62\u7ade\u6001\u6761\u4ef6\u548c\u6b7b\u9501\u95ee\u9898\u3002\u5bf9\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u4f7f\u7528\u591a\u7ebf\u7a0b\u53ef\u80fd\u4e0d\u4f1a\u5e26\u6765\u6027\u80fd\u63d0\u5347\uff0c\u751a\u81f3\u53ef\u80fd\u56e0\u4e3aGIL\u800c\u964d\u4f4e\u6027\u80fd\u3002<\/p>\n<\/p>\n\u591a\u7ebf\u7a0b\u7f16\u7a0b\u867d\u7136\u590d\u6742\uff0c\u4f46\u901a\u8fc7\u5408\u7406\u7684\u8bbe\u8ba1\u548c\u8c03\u8bd5\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528Python 3.6\u4e2d\u7684\u591a\u7ebf\u7a0b\u6280\u672f\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n \u5728Python 3.6\u4e2d\uff0c\u5982\u4f55\u521b\u5efa\u548c\u7ba1\u7406\u7ebf\u7a0b\uff1f<\/strong>
\u5728Python 3.6\u4e2d\uff0c\u521b\u5efa\u7ebf\u7a0b\u53ef\u4ee5\u4f7f\u7528threading<\/code>\u6a21\u5757\u3002\u9996\u5148\uff0c\u60a8\u9700\u8981\u5bfc\u5165\u8be5\u6a21\u5757\u3002\u63a5\u4e0b\u6765\uff0c\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627fThread<\/code>\u7c7b\u6216\u4f7f\u7528Thread<\/code>\u7c7b\u7684\u5b9e\u4f8b\u6765\u521b\u5efa\u7ebf\u7a0b\u3002\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6216\u65b9\u6cd5\uff0c\u7136\u540e\u5c06\u5176\u4f20\u9012\u7ed9Thread<\/code>\u7c7b\u7684\u6784\u9020\u51fd\u6570\u3002\u4f7f\u7528start()<\/code>\u65b9\u6cd5\u6765\u542f\u52a8\u7ebf\u7a0b\uff0c\u5e76\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u6765\u7b49\u5f85\u7ebf\u7a0b\u5b8c\u6210\u3002<\/p>\nPython 3.6\u7684\u591a\u7ebf\u7a0b\u4e0e\u591a\u8fdb\u7a0b\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/strong>
\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u662f\u4e24\u79cd\u5e76\u53d1\u5904\u7406\u7684\u65b9\u5f0f\u3002\u591a\u7ebf\u7a0b\u901a\u8fc7\u5728\u540c\u4e00\u8fdb\u7a0b\u5185\u521b\u5efa\u591a\u4e2a\u7ebf\u7a0b\u6765\u5b9e\u73b0\u5e76\u53d1\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u5171\u4eab\u540c\u4e00\u5185\u5b58\u7a7a\u95f4\u3002\u800c\u591a\u8fdb\u7a0b\u5219\u662f\u901a\u8fc7\u521b\u5efa\u591a\u4e2a\u72ec\u7acb\u7684\u8fdb\u7a0b\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u5185\u5b58\u7a7a\u95f4\u3002\u5728Python\u4e2d\uff0c\u7531\u4e8e\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff08GIL\uff09\u7684\u5b58\u5728\uff0c\u591a\u7ebf\u7a0b\u5728CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u4e2d\u53ef\u80fd\u4e0d\u5982\u591a\u8fdb\u7a0b\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5728I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u4e2d\uff0c\u591a\u7ebf\u7a0b\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u6027\u80fd\u3002<\/p>\n\u5982\u4f55\u5904\u7406Python 3.6\u4e2d\u591a\u7ebf\u7a0b\u7684\u5f02\u5e38\uff1f<\/strong>
\u5728\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u5f02\u5e38\u7684\u5904\u7406\u81f3\u5173\u91cd\u8981\u3002\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7ebf\u7a0b\u4e2d\u4f7f\u7528try-except<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u5f02\u5e38\u3002\u4e3a\u4e86\u786e\u4fdd\u4e3b\u7ebf\u7a0b\u80fd\u591f\u83b7\u53d6\u5230\u5b50\u7ebf\u7a0b\u7684\u5f02\u5e38\u4fe1\u606f\uff0c\u53ef\u4ee5\u5c06\u5f02\u5e38\u4fe1\u606f\u5b58\u50a8\u5728\u4e00\u4e2a\u5171\u4eab\u7684\u6570\u636e\u7ed3\u6784\u4e2d\uff0c\u6216\u8005\u4f7f\u7528queue<\/code>\u6a21\u5757\u6765\u4f20\u9012\u5f02\u5e38\u4fe1\u606f\u3002\u8fd9\u6837\uff0c\u4e3b\u7ebf\u7a0b\u5728\u7b49\u5f85\u6240\u6709\u5b50\u7ebf\u7a0b\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u68c0\u67e5\u5e76\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python 3.6\u4e2d\u5b9e\u73b0\u591a\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u6807\u51c6\u5e93\u4e2d\u7684threading\u6a21\u5757\u3002\u7ebf\u7a0b\u5141\u8bb8\u7a0b\u5e8f\u5728\u591a\u4e2a\u4efb\u52a1\u4e4b\u95f4\u6765\u56de\u5207 […]","protected":false},"author":3,"featured_media":1180618,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1180597"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1180597"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1180597\/revisions"}],"predecessor-version":[{"id":1180623,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1180597\/revisions\/1180623"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1180618"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1180597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1180597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1180597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"python3.6\u5982\u4f55\u591a\u7ebf\u7a0b\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25125249\/17bd4560-dd8b-4933-9625-479576ef684b.webp\")
<\/p>\n