{"id":118370,"date":"2026-10-27T02:16:51","date_gmt":"2026-10-26T18:16:51","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/118370.html"},"modified":"2026-10-27T02:16:51","modified_gmt":"2026-10-26T18:16:51","slug":"linux-%e7%ba%bf%e7%a8%8b%e4%ba%92%e6%96%a5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/118370.html","title":{"rendered":"Linux \u7ebf\u7a0b\u4e92\u65a5"},"content":{"rendered":"

\u7ebf\u7a0b\u540c\u6b65\u4e0e\u4e92\u65a5\u603b\u7ed3<\/h2>\n

<\/h3>\n

\u672c\u7ae0\u4e3b\u7ebf\u662f\u201c\u5148\u4e92\u65a5，\u518d\u540c\u6b65\u201d：<\/p>\n\n\u90e8\u5206\u89e3\u51b3\u7684\u95ee\u9898\u624b\u6bb5<\/tr>\n\n\n\n
1. \u7ebf\u7a0b\u4e92\u65a5（\u672c\u8282）<\/td>\n\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u6709\u4e00\u4e2a\u6267\u884c\u6d41\u8fdb\u5165\u4e34\u754c\u533a<\/td>\n\u4e92\u65a5\u91cf pthread_mutex_t<\/td>\n<\/tr>\n
2. \u7ebf\u7a0b\u540c\u6b65（\u540e\u7eed）<\/td>\n\u6309\u7279\u5b9a\u987a\u5e8f\u8bbf\u95ee，\u907f\u514d\u9965\u997f<\/td>\n\u6761\u4ef6\u53d8\u91cf\u3001\u4fe1\u53f7\u91cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8bfe\u4ef6\u672c\u8282\u56db\u4e2a\u76ee\u6807：1-1 \u80cc\u666f\u6982\u5ff5 \u2192 1-2 \u4e92\u65a5\u91cf mutex \u2192 1-3 \u5b9e\u73b0\u539f\u7406 \u2192 1-4 \u5c01\u88c5\u3002<\/p>\n

1. \u4e94\u4e2a\u80cc\u666f\u6982\u5ff5<\/h3>\n\n\u6982\u5ff5\u542b\u4e49<\/tr>\n\n\n\n\n\n\n
\u5171\u4eab\u8d44\u6e90<\/td>\n\u591a\u4e2a\u7ebf\u7a0b\u90fd\u80fd\u8bbf\u95ee\u7684\u8d44\u6e90<\/td>\n<\/tr>\n
\u4e34\u754c\u8d44\u6e90<\/td>\n\u591a\u7ebf\u7a0b\u6267\u884c\u6d41\u4e2d\u88ab\u4fdd\u62a4\u7684\u5171\u4eab\u8d44\u6e90<\/td>\n<\/tr>\n
\u4e34\u754c\u533a<\/td>\n\u6bcf\u4e2a\u7ebf\u7a0b\u5185\u90e8\u8bbf\u95ee\u4e34\u754c\u8d44\u6e90\u7684\u90a3\u6bb5\u4ee3\u7801<\/td>\n<\/tr>\n
\u4e92\u65a5<\/td>\n\u4efb\u4f55\u65f6\u523b\u4fdd\u8bc1\u6709\u4e14\u53ea\u6709\u4e00\u4e2a\u6267\u884c\u6d41\u8fdb\u5165\u4e34\u754c\u533a\u3001\u8bbf\u95ee\u4e34\u754c\u8d44\u6e90，\u901a\u5e38\u5bf9\u4e34\u754c\u8d44\u6e90\u8d77\u4fdd\u62a4\u4f5c\u7528<\/td>\n<\/tr>\n
\u539f\u5b50\u6027<\/td>\n\u4e0d\u4f1a\u88ab\u4efb\u4f55\u8c03\u5ea6\u673a\u5236\u6253\u65ad\u7684\u64cd\u4f5c；\u53ea\u6709\u4e24\u6001：\u8981\u4e48\u5b8c\u6210，\u8981\u4e48\u672a\u5b8c\u6210（\u5982\u4f55\u5b9e\u73b0\u7559\u5f85 1-3 \u8ba8\u8bba）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. \u4e3a\u4ec0\u4e48\u9700\u8981\u4e92\u65a5：\u552e\u7968\u7cfb\u7edf\u53cd\u4f8b<\/h3>\n

ticket = 100 \u5168\u5c40\u53d8\u91cf，4 \u4e2a\u7ebf\u7a0b\u5404\u81ea while(1)：<\/p>\n

while<\/span> (<\/span>1<\/span>)<\/span> {<\/span>
\n if<\/span> (<\/span>ticket ><\/span> 0<\/span>)<\/span> {<\/span>
\n usleep<\/span>(<\/span>1000<\/span>)<\/span>;<\/span> \/\/ \u6a21\u62df\u6f2b\u957f\u7684\u4e1a\u52a1\u8fc7\u7a0b<\/span>
\n printf<\/span>(<\/span>"%s sells ticket:%d\\\\n"<\/span>,<\/span> id,<\/span> ticket)<\/span>;<\/span>
\n ticket—<\/span>;<\/span> \/\/ \u975e\u539f\u5b50<\/span>
\n }<\/span> else<\/span> break<\/span>;<\/span>
\n}<\/span><\/p>\n

\u4e00\u6b21\u771f\u5b9e\u8fd0\u884c\u7ed3\u679c：thread 4 \u5356\u5230 1，thread 2 \u5356 0，thread 1 \u5356 -1，thread 3 \u5356 -2 \u2014\u2014 \u65e2\u91cd\u590d\u8d85\u5356\u53c8\u5356\u51fa\u8d1f\u6570\u7968\u3002<\/p>\n

\u539f\u56e0\u9010\u6761\u62c6\u89e3\u5982\u4e0b：<\/p>\n

  • if \u8bed\u53e5\u5224\u65ad\u6761\u4ef6\u4e3a\u771f\u4e4b\u540e，\u4ee3\u7801\u53ef\u4ee5\u5e76\u53d1\u7684\u5207\u6362\u5230\u5176\u4ed6\u7ebf\u7a0b（\u5224\u65ad\u4e0e\u4fee\u6539\u4e4b\u95f4\u7559\u51fa\u4e86\u7a7a\u6863）；<\/li>\n
  • usleep \u6a21\u62df\u7684\u6f2b\u957f\u4e1a\u52a1\u8fc7\u7a0b\u4e2d，\u53ef\u80fd\u6709\u5f88\u591a\u7ebf\u7a0b\u5df2\u7ecf\u201c\u770b\u5230 ticket>0\u201d\u5e76\u8fdb\u5165\u8be5\u4ee3\u7801\u6bb5；<\/li>\n
  • –ticket \u672c\u8eab\u4e0d\u662f\u539f\u5b50\u64cd\u4f5c，objdump -d \u53ef\u89c1\u5b83\u5bf9\u5e94\u4e09\u6761\u6c47\u7f16：<\/li>\n

    mov 0x2004e3(%rip),%eax # load ：\u4ece\u5185\u5b58\u8bfb\u5230\u5bc4\u5b58\u5668
    \nsub $0x1,%eax # update ：\u5bc4\u5b58\u5668\u5185 -1
    \nmov %eax,0x2004da(%rip) # store ：\u5199\u56de\u5185\u5b58<\/p>\n

    \u6ce8\u610f：<\/p>\n

      \n
    • \u4ee3\u7801\u5fc5\u987b\u8981\u6709\u4e92\u65a5\u884c\u4e3a：\u8fdb\u5165\u4e34\u754c\u533a\u6267\u884c\u65f6\u4e0d\u5141\u8bb8\u5176\u4ed6\u7ebf\u7a0b\u8fdb\u5165；<\/li>\n
    • \u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8981\u6c42\u6267\u884c\u4e34\u754c\u533a\u3001\u800c\u4e34\u754c\u533a\u65e0\u4eba\u6267\u884c\u65f6，\u53ea\u80fd\u5141\u8bb8\u4e00\u4e2a\u7ebf\u7a0b\u8fdb\u5165；<\/li>\n
    • \u7ebf\u7a0b\u4e0d\u5728\u4e34\u754c\u533a\u4e2d\u6267\u884c\u65f6，\u4e0d\u80fd\u963b\u6b62\u5176\u4ed6\u7ebf\u7a0b\u8fdb\u5165\u3002<\/li>\n<\/ul>\n

      \u672c\u8d28\u7ed3\u8bba：\u9700\u8981\u4e00\u628a\u9501，Linux \u4e0a\u5b83\u5c31\u662f\u4e92\u65a5\u91cf\u3002<\/p>\n

      3. \u4e92\u65a5\u91cf\u63a5\u53e3<\/h3>\n

      \u521d\u59cb\u5316<\/p>\n

      \/\/ \u65b9\u6cd51 \u9759\u6001\u5206\u914d（\u5168\u5c40\/\u9759\u6001）<\/span>
      \npthread_mutex_t<\/span> mutex =<\/span> PTHREAD_MUTEX_INITIALIZER;<\/span><\/p>\n

      \/\/ \u65b9\u6cd52 \u52a8\u6001\u5206\u914d<\/span>
      \nint<\/span> pthread_mutex_init<\/span>(<\/span>pthread_mutex_t<\/span> *<\/span>restrict mutex,<\/span>
      \n const<\/span> pthread_mutexattr_t<\/span> *<\/span>restrict attr)<\/span>;<\/span>
      \n\/\/ mutex：\u8981\u521d\u59cb\u5316\u7684\u4e92\u65a5\u91cf attr：NULL<\/span><\/p>\n

      \u9500\u6bc1<\/p>\n

      int<\/span> pthread_mutex_destroy<\/span>(<\/span>pthread_mutex_t<\/span> *<\/span>mutex)<\/span>;<\/span><\/p>\n

      \u4e09\u6761\u6ce8\u610f：\u2460 \u7528 PTHREAD_MUTEX_INITIALIZER \u521d\u59cb\u5316\u7684\u4e0d\u9700\u8981\u9500\u6bc1；\u2461 \u4e0d\u8981\u9500\u6bc1\u4e00\u4e2a\u5df2\u7ecf\u52a0\u9501\u7684\u4e92\u65a5\u91cf；\u2462 \u5df2\u9500\u6bc1\u7684\u4e92\u65a5\u91cf\u8981\u786e\u4fdd\u540e\u7eed\u6ca1\u6709\u7ebf\u7a0b\u518d\u5c1d\u8bd5\u52a0\u9501\u3002<\/p>\n

      \u52a0\u9501 \/ \u89e3\u9501<\/p>\n

      int<\/span> pthread_mutex_lock<\/span>(<\/span>pthread_mutex_t<\/span> *<\/span>mutex)<\/span>;<\/span>
      \nint<\/span> pthread_mutex_unlock<\/span>(<\/span>pthread_mutex_t<\/span> *<\/span>mutex)<\/span>;<\/span>
      \n\/\/ \u8fd4\u56de\u503c：\u6210\u529f\u8fd4\u56de 0，\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u53f7<\/span><\/p>\n

      pthread_mutex_lock \u7684\u4e24\u79cd\u60c5\u5f62：<\/p>\n

        \n
      • \u4e92\u65a5\u91cf\u672a\u9501 \u2192 \u76f4\u63a5\u9501\u5b9a\u5e76\u8fd4\u56de\u6210\u529f；<\/li>\n
      • \u5df2\u88ab\u5176\u4ed6\u7ebf\u7a0b\u9501\u5b9a，\u6216\u540c\u65f6\u6709\u5176\u4ed6\u7ebf\u7a0b\u7533\u8bf7\u4f46\u6ca1\u7ade\u4e89\u5230 \u2192 \u8c03\u7528\u9677\u5165\u963b\u585e（\u6267\u884c\u6d41\u88ab\u6302\u8d77），\u7b49\u5f85\u4e92\u65a5\u91cf\u89e3\u9501\u3002<\/li>\n<\/ul>\n

        \u6539\u9020\u540e\u7684\u552e\u7968\u4ee3\u7801<\/p>\n

        pthread_mutex_t<\/span> mutex;<\/span>
        \nvoid<\/span> *<\/span>route<\/span>(<\/span>void<\/span> *<\/span>arg)<\/span> {<\/span>
        \n char<\/span> *<\/span>id =<\/span> (<\/span>char<\/span>*<\/span>)<\/span>arg;<\/span>
        \n while<\/span> (<\/span>1<\/span>)<\/span> {<\/span>
        \n pthread_mutex_lock<\/span>(<\/span>&<\/span>mutex)<\/span>;<\/span>
        \n if<\/span> (<\/span>ticket ><\/span> 0<\/span>)<\/span> {<\/span>
        \n usleep<\/span>(<\/span>1000<\/span>)<\/span>;<\/span>
        \n printf<\/span>(<\/span>"%s sells ticket:%d\\\\n"<\/span>,<\/span> id,<\/span> ticket)<\/span>;<\/span>
        \n ticket—<\/span>;<\/span>
        \n pthread_mutex_unlock<\/span>(<\/span>&<\/span>mutex)<\/span>;<\/span>
        \n }<\/span> else<\/span> {<\/span>
        \n pthread_mutex_unlock<\/span>(<\/span>&<\/span>mutex)<\/span>;<\/span> \/\/ \u6ce8\u610f：break \u4e4b\u524d\u4e5f\u5fc5\u987b\u89e3\u9501<\/span>
        \n break<\/span>;<\/span>
        \n }<\/span>
        \n }<\/span>
        \n return<\/span> NULL<\/span>;<\/span>
        \n}<\/span>
        \nint<\/span> main<\/span>(<\/span>void<\/span>)<\/span> {<\/span>
        \n pthread_mutex_init<\/span>(<\/span>&<\/span>mutex,<\/span> NULL<\/span>)<\/span>;<\/span>
        \n \/* create t1..t4, join t1..t4 *\/<\/span>
        \n pthread_mutex_destroy<\/span>(<\/span>&<\/span>mutex)<\/span>;<\/span>
        \n}<\/span><\/p>\n

        \u9501\u5fc5\u987b\u8986\u76d6 if \u5224\u65ad + ticket– \u6574\u4e2a\u903b\u8f91，\u53ea\u9501 ticket– \u4f9d\u7136\u4f1a\u8d85\u5356\u3002<\/p>\n

        4. \u4e92\u65a5\u91cf\u5b9e\u73b0\u539f\u7406<\/h3>\n
          \n
        • i++ \/ ++i \u90fd\u4e0d\u662f\u539f\u5b50\u7684，\u76f4\u63a5\u5171\u4eab\u4f1a\u5e26\u6765\u6570\u636e\u4e00\u81f4\u6027\u95ee\u9898；<\/li>\n
        • \u4e3a\u5b9e\u73b0\u4e92\u65a5\u9501，\u5927\u591a\u6570\u4f53\u7cfb\u7ed3\u6784\u90fd\u63d0\u4f9b swap \u6216 exchange \u6307\u4ee4，\u4f5c\u7528\u662f\u628a\u5bc4\u5b58\u5668\u4e0e\u5185\u5b58\u5355\u5143\u7684\u6570\u636e\u76f8\u4ea4\u6362；<\/li>\n
        • \u56e0\u4e3a\u53ea\u6709\u4e00\u6761\u6307\u4ee4，\u4fdd\u8bc1\u4e86\u539f\u5b50\u6027：\u5373\u4f7f\u591a\u5904\u7406\u5668\u5e73\u53f0，\u8bbf\u95ee\u5185\u5b58\u7684\u603b\u7ebf\u5468\u671f\u4e5f\u6709\u5148\u540e，\u4e00\u4e2a\u5904\u7406\u5668\u6267\u884c\u4ea4\u6362\u6307\u4ee4\u65f6，\u53e6\u4e00\u4e2a\u5904\u7406\u5668\u7684\u4ea4\u6362\u6307\u4ee4\u53ea\u80fd\u7b49\u603b\u7ebf\u5468\u671f\u3002<\/li>\n<\/ul>\n

          lock: ; \u52a0\u9501
          \n mov $0, %al
          \n xchg %al, mutex ; \u539f\u5b50\u4ea4\u6362
          \n if (%al > 0) return 0 ; \u539f\u6765 mutex==1，\u4ea4\u6362\u6210\u529f\u62ff\u5230\u9501
          \n else { \u6302\u8d77\u7b49\u5f85; goto lock; }<\/p>\n

          unlock: ; \u89e3\u9501
          \n mov $1, %al
          \n xchg %al, mutex
          \n if (%al > 0) { \u5524\u9192\u7b49\u5f85\u8be5 mutex \u7684\u7ebf\u7a0b; return 0; }
          \n return 0;<\/p>\n

          \u8981\u70b9：\u6240\u8c13\u201c\u52a0\u9501\u201d\u5c31\u662f\u4e00\u6b21\u539f\u5b50\u4ea4\u6362；\u6ca1\u6362\u5230（\u62ff\u5230 0）\u5c31\u8bf4\u660e\u9501\u88ab\u522b\u4eba\u6301\u7740，\u53ea\u80fd\u6302\u8d77\u7b49\u5f85 \u2014\u2014 \u8fd9\u5c31\u662f mutex \u7684\u5e95\u5c42\u673a\u5236\u3002<\/p>\n

          5. \u4e92\u65a5\u91cf\u7684 C++ \u5c01\u88c5（1-4）<\/h3>\n

          Lock.hpp，\u547d\u540d\u7a7a\u95f4 LockModule，\u4e24\u4e2a\u7c7b：<\/p>\n

          \u2460 Mutex（\u53ef\u72ec\u7acb\u4f7f\u7528\u7684\u9501\u672c\u4f53）<\/p>\n

          class<\/span> Mutex<\/span> {<\/span>
          \npublic<\/span>:<\/span>
          \n Mutex<\/span>(<\/span>const<\/span> Mutex &<\/span>)<\/span> =<\/span> delete<\/span>;<\/span> \/\/ \u7981\u6b62\u62f7\u8d1d<\/span>
          \n const<\/span> Mutex &<\/span>operator<\/span>=<\/span>(<\/span>const<\/span> Mutex &<\/span>)<\/span> =<\/span> delete<\/span>;<\/span> \/\/ \u7981\u6b62\u8d4b\u503c<\/span>
          \n Mutex<\/span>(<\/span>)<\/span> {<\/span> pthread_mutex_init<\/span>(<\/span>&<\/span>_mutex,<\/span> nullptr<\/span>)<\/span>;<\/span> }<\/span>
          \n void<\/span> Lock<\/span>(<\/span>)<\/span> {<\/span> pthread_mutex_lock<\/span>(<\/span>&<\/span>_mutex)<\/span>;<\/span> }<\/span>
          \n void<\/span> Unlock<\/span>(<\/span>)<\/span> {<\/span> pthread_mutex_unlock<\/span>(<\/span>&<\/span>_mutex)<\/span>;<\/span> }<\/span>
          \n pthread_mutex_t *<\/span>GetMutexOriginal<\/span>(<\/span>)<\/span> {<\/span> return<\/span> &<\/span>_mutex;<\/span> }<\/span> \/\/ \u9700\u8981\u539f\u751f\u63a5\u53e3\u65f6\u7528<\/span>
          \n ~<\/span>Mutex<\/span>(<\/span>)<\/span> {<\/span> pthread_mutex_destroy<\/span>(<\/span>&<\/span>_mutex)<\/span>;<\/span> }<\/span>
          \nprivate<\/span>:<\/span>
          \n pthread_mutex_t _mutex;<\/span>
          \n}<\/span>;<\/span><\/p>\n

          \u2461 LockGuard（RAII \u98ce\u683c\u7684\u9501\u7ba1\u7406）<\/p>\n

          class<\/span> LockGuard<\/span> {<\/span>
          \npublic<\/span>:<\/span>
          \n LockGuard<\/span>(<\/span>Mutex &<\/span>mutex)<\/span> :<\/span> _mutex<\/span>(<\/span>mutex)<\/span> {<\/span> _mutex.<\/span>Lock<\/span>(<\/span>)<\/span>;<\/span> }<\/span>
          \n ~<\/span>LockGuard<\/span>(<\/span>)<\/span> {<\/span> _mutex.<\/span>Unlock<\/span>(<\/span>)<\/span>;<\/span> }<\/span>
          \nprivate<\/span>:<\/span>
          \n Mutex &<\/span>_mutex;<\/span>
          \n}<\/span>;<\/span><\/p>\n

          \u7528\u8d77\u6765\u4e1a\u52a1\u4ee3\u7801\u53d8\u5f97\u6781\u7b80，\u4e14\u4efb\u4f55\u51fa\u53e3\u90fd\u4e0d\u4f1a\u6f0f\u89e3\u9501：<\/p>\n

          Mutex mutex;<\/span>
          \nwhile<\/span> (<\/span>1<\/span>)<\/span> {<\/span>
          \n LockGuard lockguard<\/span>(<\/span>mutex)<\/span>;<\/span> \/\/ \u4f5c\u7528\u57df\u5f00\u59cb \u2192 \u52a0\u9501<\/span>
          \n if<\/span> (<\/span>ticket ><\/span> 0<\/span>)<\/span> {<\/span> usleep<\/span>(<\/span>1000<\/span>)<\/span>;<\/span> printf<\/span>(<\/span>.<\/span>.<\/span>.<\/span>)<\/span>;<\/span> ticket—<\/span>;<\/span> }<\/span>
          \n else<\/span> break<\/span>;<\/span> \/\/ \u4f5c\u7528\u57df\u7ed3\u675f\/break \u2192 \u6790\u6784\u81ea\u52a8\u89e3\u9501<\/span>
          \n}<\/span><\/p>\n

          RAII \u98ce\u683c\u7684\u4e92\u65a5\u9501 C++11 \u5df2\u5185\u5efa，\u5bf9\u5e94 std::mutex + std::lock_guard<std::mutex>；\u672c\u8282\u53ea\u662f\u81ea\u884c\u5c01\u88c5\u4ee5\u4fbf\u540e\u9762（\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u3001\u7ebf\u7a0b\u6c60）\u76f4\u63a5\u4f7f\u7528\u3002<\/p>\n

          6. \u8981\u70b9\u901f\u8bb0\u4e0e\u6613\u9519\u70b9<\/h3>\n
        • \u9501\u7684\u8303\u56f4 = \u4e34\u754c\u533a：\u5224\u65ad\u6761\u4ef6\u4e0e\u4fee\u6539\u5171\u4eab\u53d8\u91cf\u5fc5\u987b\u540c\u65f6\u5728\u9501\u5185，\u4e0d\u80fd\u53ea\u9501 –\u3002<\/li>\n
        • \u6bcf\u4e2a\u51fa\u53e3\u90fd\u8981\u89e3\u9501：\u6b63\u5e38\u5206\u652f\u3001else \u5206\u652f\u3001break\u3001\u5f02\u5e38\u8def\u5f84 \u2014\u2014 \u7528 LockGuard \u4e00\u6b21\u6027\u89e3\u51b3\u3002<\/li>\n
        • \u9759\u6001\u521d\u59cb\u5316\u4e0d\u9700\u8981 destroy；\u4e0d\u8981\u9500\u6bc1\u52a0\u9501\u4e2d\u7684\/\u4ecd\u4f1a\u88ab\u4f7f\u7528\u7684\u9501\u3002<\/li>\n
        • pthread_mutex_* \u5931\u8d25\u662f\u8fd4\u56de\u9519\u8bef\u53f7，\u4e0d\u8bbe\u7f6e errno\u3002<\/li>\n
        • \u4e0d\u8981\u6301\u9501\u505a\u8017\u65f6\u64cd\u4f5c：\u4f8b\u5b50\u628a usleep\/printf \u653e\u5728\u9501\u5185，\u7b49\u4e8e\u628a\u5e76\u53d1\u91cd\u65b0\u538b\u56de\u4e32\u884c（\u80fd\u6b63\u786e，\u4f46\u541e\u5410\u53d8\u5dee）\u3002<\/li>\n","protected":false},"excerpt":{"rendered":"

          \u7ebf\u7a0b\u540c\u6b65\u4e0e\u4e92\u65a5\u603b\u7ed3\u672c\u7ae0\u4e3b\u7ebf\u662f\u201c\u5148\u4e92\u65a5，\u518d\u540c\u6b65\u201d：\u90e8\u5206\u89e3\u51b3\u7684\u95ee\u9898\u624b\u6bb51. \u7ebf\u7a0b\u4e92\u65a5（\u672c\u8282）\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u6709\u4e00\u4e2a\u6267\u884c\u6d41\u8fdb\u5165\u4e34\u754c\u533a\u4e92\u65a5\u91cf pthread_mutex_t2. \u7ebf\u7a0b\u540c\u6b65（\u540e\u7eed）\u6309\u7279\u5b9a\u987a\u5e8f\u8bbf\u95ee，\u907f\u514d\u9965\u997f\u6761\u4ef6\u53d8\u91cf\u3001\u4fe1\u53f7\u91cf\u8bfe\u4ef6\u672c\u8282\u56db\u4e2a\u76ee\u6807：1-1 \u80cc\u666f\u6982\u5ff5 \u2192 1-2 \u4e92\u65a5\u91cf mutex \u2192 1-3 \u5b9e\u73b0\u539f\u7406 \u2192 1-4 \u5c01\u88c5\u3002
          \n1. \u4e94\u4e2a\u80cc\u666f\u6982\u5ff5\u6982\u5ff5\u542b\u4e49\u5171\u4eab\u8d44\u6e90\u591a<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43],"topic":[],"class_list":["post-118370","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-43"],"yoast_head":"\nLinux \u7ebf\u7a0b\u4e92\u65a5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/118370.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux \u7ebf\u7a0b\u4e92\u65a5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u7ebf\u7a0b\u540c\u6b65\u4e0e\u4e92\u65a5\u603b\u7ed3\u672c\u7ae0\u4e3b\u7ebf\u662f\u201c\u5148\u4e92\u65a5，\u518d\u540c\u6b65\u201d：\u90e8\u5206\u89e3\u51b3\u7684\u95ee\u9898\u624b\u6bb51. \u7ebf\u7a0b\u4e92\u65a5（\u672c\u8282）\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u6709\u4e00\u4e2a\u6267\u884c\u6d41\u8fdb\u5165\u4e34\u754c\u533a\u4e92\u65a5\u91cf pthread_mutex_t2. \u7ebf\u7a0b\u540c\u6b65（\u540e\u7eed）\u6309\u7279\u5b9a\u987a\u5e8f\u8bbf\u95ee，\u907f\u514d\u9965\u997f\u6761\u4ef6\u53d8\u91cf\u3001\u4fe1\u53f7\u91cf\u8bfe\u4ef6\u672c\u8282\u56db\u4e2a\u76ee\u6807：1-1 \u80cc\u666f\u6982\u5ff5 \u2192 1-2 \u4e92\u65a5\u91cf mutex \u2192 1-3 \u5b9e\u73b0\u539f\u7406 \u2192 1-4 \u5c01\u88c5\u3002 1. \u4e94\u4e2a\u80cc\u666f\u6982\u5ff5\u6982\u5ff5\u542b\u4e49\u5171\u4eab\u8d44\u6e90\u591a\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/118370.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-26T18:16:51+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/118370.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/118370.html\",\"name\":\"Linux \u7ebf\u7a0b\u4e92\u65a5 - 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