{"id":87033,"date":"2020-04-25T23:00:08","date_gmt":"2020-04-25T15:00:08","guid":{"rendered":"http:\/\/4563.org\/?p=87033"},"modified":"2020-04-25T23:00:08","modified_gmt":"2020-04-25T15:00:08","slug":"%e6%b1%82%e5%8a%a9-python-%e5%a4%9a%e7%ba%bf%e7%a8%8b%e9%80%9a%e4%bf%a1-%e5%a5%bd%e5%bf%83%e4%ba%ba%e6%95%91%e6%95%91%e5%ad%a9%e5%ad%90%ef%bc%8c%e7%82%b9%e5%bc%80%e5%b7%a5%e8%b5%84%e8%b6%85","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=87033","title":{"rendered":"[\u6c42\u52a9] Python \u591a\u7ebf\u7a0b\u901a\u4fe1 (\u597d\u5fc3\u4eba\u6551\u6551\u5b69\u5b50\uff0c\u70b9\u5f00\u5de5\u8d44\u8d85\u7ea7\u52a0\u500d)"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  [\u6c42\u52a9] Python \u591a\u7ebf\u7a0b\u901a\u4fe1 (\u597d\u5fc3\u4eba\u6551\u6551\u5b69\u5b50\uff0c\u70b9\u5f00\u5de5\u8d44\u8d85\u7ea7\u52a0\u500d)               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : echome <\/span>  <span><i><\/i> 8<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<h2>\u5982\u4f55\u4ece\u4e00\u4e2a\u9700\u8981\u6267\u884c\u5f88\u4e45\u7684\u7ebf\u7a0b\u5f53\u4e2d\u83b7\u53d6\u8fd4\u56de\u6570\u636e<\/h2>\n<p>\u6709\u4e00\u4e2a\u7ebf\u7a0b\u5f53\u4e2d\u7684\u51fd\u6570\u505a funcA\uff0c<strong>funcA \u9700\u8981\u82b1\u8d39\u5f88\u591a\u65f6\u95f4\uff0c\u5e76\u4e14 funcA \u4f1a\u8fd4\u56de\u6211\u4eec\u9700\u8981\u7684\u6570\u636e<\/strong> \u6211\u8be5\u5982\u4f55\u83b7\u5f97\u5176\u4e2d\u7684\u6570\u636e\uff1f \u7f51\u4e0a\u4e00\u822c\u662f<\/p>\n<ol>\n<li>\u4f7f\u7528 queue \u4f5c\u4e3a\u5168\u5c40\u53d8\u91cf\uff0c\u4f46\u662f\u5982\u679c\u5728 funcA \u91cc\u9762 put \u6570\u636e\u7684\u8bdd\uff0c\u5728\u4e3b\u7ebf\u7a0b\u5f53\u4e2d get \u6570\u636e\u4f1a\u8fd4\u56de None\uff0c\u56e0\u4e3a funcA \u4f1a\u82b1\u8d39\u5f88\u591a\u7684\u65f6\u95f4\uff0c\u6240\u4ee5\u4e3b\u7ebf\u7a0b\u83b7\u5f97\u7684\u90fd\u662f None \u3002<\/li>\n<\/ol>\n<pre><code>q = queue.Queue(10) def funcA():            # \u82b1\u8d39\u5f88\u591a\u65f6\u95f4\u505a\u4e00\u4e9b\u4e8b\u5f97\u5230\u4e00\u4e2a\u6570\u7ec4\u53eb\u505a res     for i in res:         q.put(i)  res=[] while not empty(q.get()):    res.append(q.get()) <\/code><\/pre>\n<ol>\n<li>\u662f\u91cd\u6784 thread \u6a21\u5757\u5199\u4e00\u4e2a\u81ea\u5df1\u7684 thread \u7c7b\uff0c\u5176\u4e2d\u65b0\u5efa\u4e00\u4e2a get_result \u65b9\u6cd5\u3002\u5982\u679c\u91cd\u6784\u7684\u8bdd\u4f1a\u53d1\u73b0\u4e5f\u662f None\uff0c\u56e0\u4e3a\u5728 funcA \u4f1a\u4f7f\u7528\u5f88\u591a\u7684\u65f6\u95f4,\u7136\u540e\u4f7f\u7528 get_result \u65b9\u6cd5\u7684\u8bdd\u4f1a\u8fd4\u56de None,\u56e0\u4e3a\u5728 run \u65b9\u6cd5\u5f53\u4e2d\u5e76\u6ca1\u6709\u8fd4\u56de\u6570\u636e\u3002<\/li>\n<\/ol>\n<pre><code>class MyThread(Thread):     def __init__(self, target, args):         super(MyThread, self).__init__()         self.func = target         self.args = args       def run(self):         print(\"I have done\")         self.result = self.func(*self.args)      def get_result(self):         while self.lock:             pass         return self.result  ............. ............. thread = MyThread(target=funca, args=(domain,)) thread.start() res=thread.get_result() <\/code><\/pre>\n<p>\u6211\u4e5f\u60f3\u8fc7\u65b9\u6cd5\uff0c\u6bd4\u5982\u5728 get_result \u5f53\u4e2d\u7b49\u5f85 run \u65b9\u6cd5\u6267\u884c\u5b8c\u6bd5\uff0c\u4f46\u662f\u8fd9\u6837\u5c31\u4f1a\u5bfc\u81f4\u7ebf\u7a0b\u963b\u585e\u7684\u95ee\u9898<\/p>\n<p>\u6240\u4ee5\u95ee\u9898\u662f\u5982\u4f55\u5728\u9700\u8981\u82b1\u8d39\u5f88\u591a\u65f6\u95f4\u7684\u7ebf\u7a0b\u5f53\u4e2d\u5f97\u5230\u6570\u636e\u5e76\u4e14\u4e0d\u4f1a\u963b\u585e\u3002 \u8dea\u6c42\u5927\u795e\uff01\uff01\uff01<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>19<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"1358736\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ClericPy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f60\u8be5\u5b66\u7684\u662f Future \u7684\u7528\u6cd5&#8230;                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358737\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : echome <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5565\u610f\u601d\u5927\u54e5                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358738\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : marquina <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u81ea\u4ece\u63a5\u89e6\u4e86 concurrent.futures \u540e\uff0c\u5c31\u518d\u4e5f\u6ca1\u6709\u7528\u8fc7 thread \u5e93\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358739\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : lithbitren <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6ca1\u61c2\u9898\u76ee\u5565\u610f\u601d\uff0c\u4e0d\u8fc7 io \u5bc6\u96c6\u7528\u534f\u7a0b\u66f4\u597d\uff0ccpu \u5bc6\u96c6\u7684\u7528\u591a\u8fdb\u7a0b\u66f4\u597d\uff0c\u963b\u585e\u4e0d\u7ba1\u8bbe\u5728\u54ea\u91cc\uff0c\u662f\u5426\u6709\u56de\u8c03\uff0c\u4e24\u8005\u7684 API \u90fd\u6bd4\u591a\u7ebf\u7a0b\u4e30\u5bcc\uff0c\u591a\u7ebf\u7a0b\u8bb2\u5b9e\u8bdd\u8fd8\u662f\u6bd4\u8f83\u9e21\u808b\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358740\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : billwsy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6240\u4ee5\u201c\u7f51\u4e0a\u7684\u65b9\u6cd5\u201d\u95ee\u9898\u5728\u54ea\u91cc\u2026\u4e3b\u7a0b\u5e8f\u603b\u662f\u8981\u7b49 funcA put \u6570\u636e\u4e86\u4e4b\u540e\u624d\u80fd get \u5230\u6570\u636e<\/p>\n<p>\u4e0d\u4f1a\u6709\u4ec0\u4e48\u795e\u5947\u7684\u529e\u6cd5\u8ba9 funcA \u5728\u8d85\u957f\u6267\u884c\u7ed3\u675f\u4e4b\u524d\u5c31\u4ea7\u751f\u51fa\u4f60\u60f3\u8981\u7684\u6570\u636e\u5427                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358741\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wuwukai007 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             from concurrent.futures import ThreadPoolExecutor<br \/>pool = ThreadPoolExecutor()<br \/>job = pool.submit(func)<br \/>try:<br \/>&#8212;- func_result = job.result()<br \/>except Exception as e:<br \/>&#8212;-logger.exception(e)<br \/>&#8212;- raise e                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358742\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : StephenKwen <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u7ebf\u7a0b\u4e4b\u95f4\u4f7f\u7528\u6761\u4ef6\u9501\uff0c\u8fd9\u6837\u4e00\u4e2a\u7ebf\u7a0b\u6267\u884c\u83b7\u5f97\u6570\u636e\u4e4b\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u6761\u4ef6\u9501\u5524\u9192\u53e6\u4e00\u4e2a\u5728\u7b49\u5f85\u7684\u7ebf\u7a0b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358743\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : echome <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @billwsy \u7684\u786e\u662f\uff0c\u4f46\u662f\u5982\u679c\u8981\u7b49\u5f85\u5b50\u7ebf\u7a0b\u6267\u884c\u5b8c\u6210\u5f97\u5230\u5176\u4e2d\u7684\u6570\u636e\u7684\u8bdd\u90a3\u4e48\u4e3b\u7ebf\u7a0b\u5c31\u8981\u4e00\u76f4\u7b49\u5f85\u3002\u8fd9\u6837\u5c31\u5f62\u6210\u4e86\u963b\u585e\uff01<br \/>\u5982\u679c\u4e0d\u7b49\u5f85\u7684\u8bdd\u5c31\u4f1a\u5f97\u5230 None \u7684\u8fd4\u56de\u503c\uff01                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358744\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Les1ie <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \uff08\u5927\u6982\u7b97\u662f\u5b9e\u73b0\u4e86\u4e3b\u7684\u63a5\u6536\u8fd4\u56de\u6570\u636e\u7684\u9700\u6c42\uff1f<br \/>\u8fd9\u91cc\u7528 func \u4ee3\u8868\u6d88\u8017\u65f6\u95f4\u7684\u64cd\u4f5c\uff0cmain \u51fd\u6570\u7684\u7ebf\u7a0b\u6c60\u91cc\u9762\u8c03\u7528 result()\u65b9\u6cd5\u5c06\u4e3b\u7ebf\u7a0b\u963b\u585e\uff0c\u7b49\u5f85\u6240\u6709\u5b50\u7ebf\u7a0b\u6267\u884c\u5b8c\u6bd5\u518d\u8fd4\u56de\u7ed3\u679c<\/p>\n<p>https:\/\/i.loli.net\/2020\/05\/01\/mWN5jt2HpFfM6VL.png                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358745\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Les1ie <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u90a3\u4e48\u6211\u7684\u5de5\u8d44\u8d85\u7ea7\u52a0\u500d\u53bb\u54ea\u91cc\u9886 \ud83d\ude41 \u7a77.jpg                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358746\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : crella <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8981\u4e48\u50cf\u4e0a\u90a3\u6837\u4f7f\u7528\u591a\u8fdb\u7a0b\uff1b\u8981\u4e48\u62c6\u5206 funcA\uff0c\u5148\u5904\u7406\u5fc5\u987b\u5728 get_result()\u4e4b\u524d\u8981\u5904\u7406\u7684\u6570\u636e\uff0c\u4e0d\u600e\u4e48\u91cd\u8981\u7684\u6570\u636e\u5728 get_result()\u4e4b\u540e\u5f00\u4e00\u4e2a\u7ebf\u7a0b\u6765\u5b8c\u6210                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358747\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : noparking188 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e5f\u8bb8\u53ef\u4ee5\u8bb2\u4e00\u4e0b\u4f60\u60f3\u5b9e\u73b0\u4ec0\u4e48\uff0c\u6216\u8005\u6709\u6bd4\u591a\u7ebf\u7a0b\u66f4\u597d\u7684\u65b9\u5f0f<br \/>\u4e4b\u524d\u770b redis \u5b9e\u73b0\u5b66\u5230\u4e00\u4e2a\u6982\u5ff5 &#8211; Reactor \u6a21\u578b\uff0c\u867d\u7136\u6ca1\u548b\u770b\u61c2\uff0c\u4f46\u662f\u611f\u89c9\u9898\u4e3b\u7684\u9700\u6c42\u53ef\u4ee5\u501f\u9274\u4e0b\u8fd9\u79cd\u601d\u60f3<br \/>\u6709\u70b9\u6ca1\u660e\u767d\u4f60\u7684\u8868\u8fbe\uff0c\u662f\u5fc5\u987b\u62ff\u5230\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4ea7\u51fa\u7684\u6570\u636e\u624d\u80fd\u6267\u884c\u63a5\u4e0b\u6765\u7684\u64cd\u4f5c\uff0c\u8fd9\u662f\u4e32\u884c\uff1f\u6216\u8005\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4ea7\u51fa\u6570\u636e\u4e4b\u524d\uff0c\u5176\u5b83\u7ebf\u7a0b\u505a\u81ea\u5df1\u7684\u4e8b\uff0c\u6709\u6570\u636e\u4e86\u518d\u5de5\u4f5c<br \/>\u53ef\u80fd\u6211\u7406\u89e3\u80fd\u529b\u5dee\u4e86\u70b9                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358748\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Sanko <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             join?                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358749\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : guyskk0x0 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @echome \u5982\u679c\u4e00\u4ef6\u4e8b\u60c5\u8981 10 \u79d2\u505a\u5b8c\uff0c\u4f60\u60f3 1 \u79d2\u5c31\u62ff\u5230\u7ed3\u679c\uff0c\u8981\u7a7f\u8d8a\u65f6\u7a7a\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358750\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : sudoer <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6211\u70b9\u5f00\u4e86\uff0c\u5de5\u8d44\u52a0\u500d\u5728\u54ea\u9886\u3002\u3002\u3002\uff08\u963f\u5df4\u963f\u5df4\u963f\u5df4\uff09                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358751\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : oahebky <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f60\u60f3\u8ba9\u4e3b\uff08\u4e00\u4e2a\uff09\u7ebf\u7a0b(thr-A)\u53d6\u5f97\u5b50\uff08\u53e6\u4e00\u4e2a\uff09\u7ebf\u7a0b(thr-B)\u7684\u6570\u636e\uff0c\u53c8\u4e0d\u60f3 thr-A \u963b\u585e\u3002<\/p>\n<p>\u90a3\u4e48\u4f60\u7684 thr-A \u5728\u9664\u4e86\u201c\u521b\u5efa thr-B\uff0c\u5e76\u8ba9\u5b83\u5de5\u4f5c\u5f97\u5230\u7ed3\u679c\u201d \u4e4b\u5916\u8fd8\u6709\u5176\u5b83\u4e8b\u60c5\u505a\u5417\uff1f<\/p>\n<p>\u5982\u679c thr-A \u672c\u6765\u5c31\u6709\u4e8b\u60c5\u505a\uff0c\u6bd4\u5982\u5b83\u6709 func1, func2, func3, func4 \u7684\u4e8b\u60c5\u505a\uff0c<br \/>\u53e6\u5916\u8fd8\u6709\u4e00\u4e2a\u5f97\u5230 thr-B \u7684\u7ed3\u679c\u540e\u7684 func_I \u4e8b\u60c5\u505a\u3002<br \/>\u90a3\u4e48\u4f60\u672c\u6765\u53ea\u662f\u9700\u8981<br \/>func1 -&gt; func2 -&gt; func3 -&gt; func4 -&gt; get thr-B result &#8211;True? &#8211;Y&#8211;&gt; func_I<br \/>\u8fd9\u4e48\u91cd\u590d\u5faa\u73af LOOP \u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3 thr-A \u505a\u5176\u5b83\u4e8b\u60c5\uff0c\u7136\u540e thr-B \u4ea7\u751f\u7ed3\u679c\u7684\u65f6\u5019\uff0cthr-A \u9a6c\u4e0a\u5c31\u53bb\u5904\u7406 thr-B \u7684\u7ed3\u679c\uff0c<br \/>\u90a3\u4e48\u8fd9\u5c31\u6709\u4e2d\u65ad\u7684\u610f\u601d\u4e86\u3002<br \/>\u4e3b\u8981\u8981\u89e3\u51b3\uff1a<br \/>func1, func2, &#8230;; \u5373 thr-A \u4e2d\u7684\u4e8b\u60c5\u662f\u5426\u4f9d\u8d56 thr-B \u7684 result \uff08\u6216\u8005\u8bf4 func_I \u7684 result \uff09\uff1f<\/p>\n<p>\u662f\uff1a<br \/>\u90a3\u4e48\u8fd9\u672c\u6765\u5c31\u662f\u4f1a\u963b\u585e\u7b49\u5f85\u7ed3\u679c\u7684\u7a0b\u5e8f\uff0c\u4e0d\u8bba\u4f60\u600e\u4e48\u8bbe\u8ba1\u5b83\u90fd\u662f\u4f1a\u963b\u585e\u7684\u3002<br \/>\u6bd4\u5982\u4f60\u6709 10 \u4e2a thr-B1\uff0cthr-B2, &#8230; thr-B10; \u90a3\u4e48\u5373\u4f7f 10s \u4e4b\u540e\u6bcf\u4e00\u79d2 queue \u4e2d\u90fd\u6709 result \u5b58\u5728\uff1b func1, func2, func3 &#8230; \u7b49\u4f9d\u8d56\u7ed3\u679c\u7684\u4efb\u52a1\uff0c\u5373\u4f7f 10s \u4e4b\u540e\u9a6c\u4e0d\u505c\u8e44\u5730\u6267\u884c\uff08\u56e0\u4e3a\u4f1a\u4e0d\u65ad\u5730\u53d6\u5f97\u7ed3\u679c\uff09\uff0c\u4f46\u662f\u5b83\u5373\u4f7f\u5728\u5fd9\u788c\uff0c\u53ef\u662f\u5b83\u672c\u8d28\u4e0a\u8fd8\u662f\u963b\u585e\u7684\u3002<\/p>\n<p>\u5426\uff1a<br \/>\u90a3\u4f60\u5c31\u5927\u80c6\u521b\u5efa\u4e00\u4e2a thr-B: do jobs; \u7684\u540c\u65f6\uff1b\u518d\u521b\u5efa\u4e00\u4e2a thr-C: handle result from thr-B \u3002<br \/>thr-C \u5728\u7b49\u5f85 queue \u65f6\u963b\u585e\u662f\uff08\u53ef\u4ee5\u89c6\u4e3a\u5b8c\u5168\uff09\u4e0d\u5f71\u54cd\u7a0b\u5e8f\u6027\u80fd\u7684\uff08\u975e `while (1) ;;`\uff09\uff0c\u5373 CPU \uff08\u4e2d\u7684\u5355\u6838\uff09\u4e0d\u4f1a 100% \u5360\u7528\u3002<\/p>\n<p>\u6240\u4ee5\u641e\u6e05\u695a\u4e86\u8fd9\u4e9b\uff0c\u8fd8\u6709\u6ca1\u6709\u5fc5\u8981\u7ea0\u7ed3\u963b\u585e\u95ee\u9898\uff1f                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358752\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : superrichman <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u591a\u7ebf\u7a0b\u6362\u6210\u5f02\u6b65 io                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358753\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : lewinlan <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6211\u8bb0\u5f97 queue \u7684 get \u5e94\u8be5\u4f1a\u963b\u585e\u5427\uff1f\u4e0d\u5e94\u8be5\u8fd4\u56de None \u554a\u3002<br \/>\u5982\u679c\u771f\u7684\u4e0d\u963b\u585e\u7684\u8bdd\uff0c\u90a3\u5c31\u65e0\u9650\u5faa\u73af sleep \u53bb\u7b49\u5457\u2026\u2026\u8fd9\u79cd\u60c5\u51b5\u7528\u534f\u7a0b\u624d\u662f\u5bf9\u7684\u3002<br \/>\u5efa\u8bae\u5148\u5b66\u64cd\u4f5c\u7cfb\u7edf\uff0c\u7406\u89e3\u4e00\u4e0b\u7ebf\u7a0b\uff0c\u5185\u5b58\uff0c\u4e0a\u4e0b\u6587\u4e4b\u7c7b\u7684\u4e1c\u897f\u3002\u5426\u5219\u5f88\u96be\u641e\u61c2\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1358754\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : echome <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @lewinlan \u5728\u4e3b\u7ebf\u7a0b\u5f53\u4e2d\u5bf9 queue \u8fdb\u884c get \u4e4b\u540e\u4fdd\u5b58\u5230\u6570\u7ec4\u5f53\u4e2d\u4f1a\u5f97\u5230 None\uff0c\u5e76\u4e0d\u4f1a\u5835\u585e\u3002\u5982\u679c\u65e0\u9650\u5faa\u73af\u7b49\u5f85\u7684\u8bdd\u591a\u7ebf\u7a0b\u7684\u610f\u4e49\u5c31\u4e22\u5931\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>[\u6c42\u52a9] Python \u591a\u7ebf\u7a0b\u901a\u4fe1&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/87033"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=87033"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/87033\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=87033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=87033"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=87033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}