{"id":289,"date":"2025-08-29T17:08:04","date_gmt":"2025-08-29T09:08:04","guid":{"rendered":"http:\/\/www.tgwttt.xyz\/?p=289"},"modified":"2025-11-24T16:37:40","modified_gmt":"2025-11-24T08:37:40","slug":"%e7%ba%bf%e7%a8%8b%e6%a6%82%e5%bf%b5%e4%b8%8e%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.tgwttt.xyz\/?p=289","title":{"rendered":"\u7ebf\u7a0b\u6982\u5ff5\u4e0e\u63a7\u5236"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1. Linux\u7ebf\u7a0b\u6982\u5ff5<br><\/h2>\n\n\n\n<p><strong>\u4ec0\u4e48\u662f\u7ebf\u7a0b\uff1f<\/strong><\/p>\n\n\n\n<p>\u901a\u4fd7\u7684\u6765\u8bf4\uff1a<br>1.\u6982\u5ff5\u89d2\u5ea6\uff0c\u611f\u6027\u7684\u7406\u89e3\u7ebf\u7a0b<br>\u6559\u6750\uff1a \u5185\u5b58\u8d44\u6e90\uff0ccpu\u8d44\u6e90<br>\u8fdb\u7a0b\u5185\u6838\u6570\u636e\u7ed3\u6784+\u4ee3\u7801\u548c\u6570\u636e\uff08\u6267\u884c\u6d41\uff09<br>\u7ebf\u7a0b\uff1a\u662f\u8fdb\u7a0b\u5185\u90e8\u7684\u4e00\u4e2a\u6267\u884c\u5206\u503c\uff08\u6267\u884c\u6d41\uff09<br>\u5185\u6838\u548c\u8d44\u6e90\uff1a<br>\u8fdb\u7a0b\uff1a\u627f\u62c5\u5206\u914d\u7cfb\u7edf\u8d44\u6e90\u7684\u57fa\u672c\u5b9e\u4f53\u3002<br>\u7ebf\u7a0b\uff1acpu\u8c03\u5ea6\u7684\u57fa\u672c\u5355\u4f4d\u3002<\/p>\n\n\n\n<p>\u5b98\u65b9\u7684\u8bed\u8a00\u6765\u8bf4\uff1a\u5728\u2f00\u4e2a\u7a0b\u5e8f\u2fa5\u7684\u2f00\u4e2a\u6267\u2f8f\u8def\u7ebf\u5c31\u53eb\u505a\u7ebf\u7a0b\uff08thread\uff09\u3002\u66f4\u51c6\u786e\u7684\u5b9a\u4e49\u662f\uff1a\u7ebf\u7a0b\u662f\u201c\u2f00\u4e2a\u8fdb\u7a0b\u5185\u90e8\u7684\u63a7\u5236\u5e8f\u5217\u201d<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"453\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-29-1024x453.png\" alt=\"\" class=\"wp-image-291\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-29-1024x453.png 1024w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-29-300x133.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-29-768x339.png 768w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-29.png 1136w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u770b\u4e0a\u56fe\uff1a\u5728linux\u4e0b\u7ebf\u7a0b\u7684\u672c\u8d28\u5c31\u662f\u4e00\u4e2a\u4e2a\u7684\u8f7b\u91cf\u578b\u8fdb\u7a0b\uff0c\u4f46\u662f\u91cc\u9762\u7684\u8d44\u6e90\u662f\u5982\u4f55\u5212\u5206\u7684\u5462\uff1f<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u95ee\u9898\u6211\u4eec\u4f1a\u5728\u4e0b\u6587\u63d0\u5230<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5206\u2eda\u5f0f\u5b58\u50a8\u7ba1\u7406<\/strong><br><\/h2>\n\n\n\n<p><strong>\u865a\u62df\u5730\u5740\u548c\u2eda\u8868\u7684\u7531\u6765<\/strong><br>\u5982\u679c\u5728\u6ca1\u6709\u865a\u62df\u5185\u5b58\u548c\u5206\u2eda\u673a\u5236\u7684\u60c5\u51b5\u4e0b\uff0c\u6bcf\u2f00\u4e2a\u2f64\u2f3e\u7a0b\u5e8f\u5728\u7269\u7406\u5185\u5b58\u4e0a\u6240\u5bf9\u5e94\u7684\u7a7a\u95f4\u5fc5\u987b\u662f\u8fde\u7eed\u7684\uff0c\u90a3\u4f1a\u9020\u6210\u4ec0\u4e48\u6837\u7684\u5f71\u54cd\u5462\uff1f\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"973\" height=\"769\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-30.png\" alt=\"\" class=\"wp-image-292\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-30.png 973w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-30-300x237.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-30-768x607.png 768w\" sizes=\"auto, (max-width: 973px) 100vw, 973px\" \/><\/figure>\n\n\n\n<p><br><\/p>\n\n\n\n<p>\u56e0\u4e3a\u6bcf\u2f00\u4e2a\u7a0b\u5e8f\u7684\u4ee3\u7801\u3001\u6570\u636e\u2ed3\u5ea6\u90fd\u662f\u4e0d\u2f00\u6837\u7684\uff0c\u6309\u7167\u8fd9\u6837\u7684\u6620\u5c04\u2f45\u5f0f\uff0c\u7269\u7406\u5185\u5b58\u5c06\u4f1a\u88ab\u5206\u5272\u6210\u5404\u79cd\u79bb\u6563\u7684\u3001\u2f24\u2f29\u4e0d\u540c\u7684\u5757\u3002\u7ecf\u8fc7\u2f00\u6bb5\u8fd0\u2f8f\u65f6\u95f4\u4e4b\u540e\uff0c\u6709\u4e9b\u7a0b\u5e8f\u4f1a\u9000\u51fa\uff0c\u90a3\u4e48\u5b83\u4eec\u5360\u636e\u7684\u7269\u7406\u5185\u5b58\u7a7a\u95f4\u53ef\u4ee5\u88ab\u56de\u6536\uff0c\u5bfc\u81f4\u8fd9\u4e9b\u7269\u7406\u5185\u5b58\u90fd\u662f\u4ee5\u5f88\u591a\u788e\u2f5a\u7684\u5f62\u5f0f\u5b58\u5728\u3002<br>\u6240\u4ee5\uff0c\u6211\u4eec\u5e0c\u671b\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7ed9\u2f64\u2f3e\u7684\u7a7a\u95f4\u5fc5\u987b\u662f\u8fde\u7eed\u7684\uff0c\u4f46\u662f\u7269\u7406\u5185\u5b58\u6700\u597d\u4e0d\u8981\u8fde\u7eed\u3002\u6b64\u65f6\u865a\u62df\u5185\u5b58\u548c\u5206\u2eda\u4fbf\u51fa\u73b0\u4e86\uff0c\u5982\u4e0b\u56fe\u6240\u2f70\uff1a<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"765\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-31-1024x765.png\" alt=\"\" class=\"wp-image-293\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-31-1024x765.png 1024w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-31-300x224.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-31-768x574.png 768w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-31.png 1067w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>    \u628a\u7269\u7406\u5185\u5b58\u6309\u7167\u2f00\u4e2a\u56fa\u5b9a\u7684\u2ed3\u5ea6\u7684\u2eda\u6846\u8fdb\u2f8f\u5206\u5272\uff0c\u6709\u65f6\u53eb\u505a\u7269\u7406\u2eda\u3002\u6bcf\u4e2a\u2eda\u6846\u5305\u542b\u2f00\u4e2a\u7269\u7406\u2eda\uff08page\uff09\u3002\u2f00\u4e2a\u2eda\u7684\u2f24\u2f29\u7b49\u4e8e\u2eda\u6846\u7684\u2f24\u2f29\u3002\u2f24\u591a\u6570 32\u4f4d \u4f53\u7cfb\u7ed3\u6784\u2f40\u6301 4KB \u7684\u2eda\uff0c\u2f7d 64\u4f4d \u4f53\u7cfb\u7ed3\u6784\u2f00\u822c\u4f1a\u2f40\u6301 8KB \u7684\u2eda\u3002\u533a\u5206\u2f00\u2eda\u548c\u2f00\u4e2a\u2eda\u6846\u662f\u5f88\u91cd\u8981\u7684\uff1a<\/p>\n\n\n\n<p>    \u4e86\u8fd9\u79cd\u673a\u5236\uff0cCPU \u4fbf\u5e76\u2fae\u662f\u76f4\u63a5\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u5730\u5740\uff0c\u2f7d\u662f\u901a\u8fc7\u865a\u62df\u5730\u5740\u7a7a\u95f4\u6765\u95f4\u63a5\u7684\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u5730\u5740\u3002\u6240\u8c13\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\uff0c\u662f\u64cd\u4f5c\u7cfb\u7edf\u4e3a\u6bcf\u2f00\u4e2a\u6b63\u5728\u6267\u2f8f\u7684\u8fdb\u7a0b\u5206\u914d\u7684\u2f00\u4e2a\u903b\u8f91\u5730\u5740\uff0c\u572832\u4f4d\u673a\u4e0a\uff0c\u5176\u8303\u56f4\u4ece0 ~ 4G-1\u3002 \u64cd\u4f5c\u7cfb\u7edf\u901a\u8fc7\u5c06\u865a\u62df\u5730\u5740\u7a7a\u95f4\u548c\u7269\u7406\u5185\u5b58\u5730\u5740\u4e4b\u95f4\u5efa\u2f74\u6620\u5c04\u5173\u7cfb\uff0c\u4e5f\u5c31\u662f\u2eda\u8868\uff0c\u8fd9\u5f20\u8868\u4e0a\u8bb0\u5f55\u4e86\u6bcf\u2f00\u5bf9\u2eda\u548c\u2eda\u6846\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u80fd\u8ba9CPU\u95f4\u63a5\u7684\u8bbf\u95ee\u7269\u7406\u5185\u5b58\u5730\u5740\u3002 \u603b\u7ed3\u2f00\u4e0b\uff0c\u5176\u601d\u60f3\u662f\u5c06\u865a\u62df\u5185\u5b58\u4e0b\u7684\u903b\u8f91\u5730\u5740\u7a7a\u95f4\u5206\u4e3a\u82e5\u2f32\u2eda\uff0c\u5c06\u7269\u7406\u5185\u5b58\u7a7a\u95f4\u5206\u4e3a\u82e5\u2f32\u2eda\u6846\uff0c\u901a\u8fc7\u2eda\u8868\u4fbf\u80fd\u628a\u8fde\u7eed\u7684\u865a\u62df\u5185\u5b58\uff0c\u6620\u5c04\u5230\u82e5\u2f32\u4e2a\u4e0d\u8fde\u7eed\u7684\u7269\u7406\u5185\u5b58\u2eda\u3002\u8fd9\u6837\u5c31\u89e3\u51b3\u4e86\u4f7f\u2f64\u8fde\u7eed\u7684\u7269\u7406\u5185\u5b58\u9020\u6210\u7684\u788e\u2f5a\u95ee\u9898\u3002<\/p>\n\n\n\n<p><strong>\u7269\u7406\u5185\u5b58\u7ba1\u7406<\/strong><br>\u5047\u8bbe\u4e00\u4e2a\u53ef\u7528\u7684\u7269\u7406\u5185\u5b58\u67094G\uff0c\u4e00\u4e2a\u9875\u6846\u67094KB\uff0c\u6240\u4ee5\u4e00\u5171\u67091024*1024*1024*4\/4\/1024=1,048,576\u4e2a\u9875\u6846\uff0c\u800c\u6211\u4eec\u7684\u5185\u6838\u662f\u5982\u4f55\u7ba1\u7406\u7684\u5462\uff1f<\/p>\n\n\n\n<p>\u5185\u6838\u7528\u4e86\u5927\u91cf\u7684struct page\u7ed3\u6784\u8868\u2f70\u7cfb\u7edf\u4e2d\u7684\u6bcf\u4e2a\u7269\u7406\u2eda,\u8fdb\u884c\u7ba1\u7406<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u5185\u6838\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>struct page {\n\/* \u539f\u2f26\u6807\u5fd7\uff0c\u6709\u4e9b\u60c5\u51b5\u4e0b\u4f1a\u5f02\u6b65\u66f4\u65b0 *\/\nunsigned long flags;union {\nstruct {\n\/* \u6362\u51fa\u2eda\u5217\u8868\uff0c\u4f8b\u5982\u7531zone->lru_lock\u4fdd\u62a4\u7684active_list *\/\nstruct list_head lru;\n\/* \u5982\u679c\u6700\u4f4e\u4e3a\u4e3a0\uff0c\u5219\u6307\u5411inode* address_space\uff0c\u6216\u4e3aNULL* \u5982\u679c\u2eda\u6620\u5c04\u4e3a\u533f\u540d\u5185\u5b58\uff0c\u6700\u4f4e\u4e3a\u7f6e\u4f4d* \u2f7d\u4e14\u8be5\u6307\u9488\u6307\u5411anon_vma\u5bf9\u8c61*\/\nstruct address_space* mapping;\n\/* \u5728\u6620\u5c04\u5185\u7684\u504f\u79fb\u91cf *\/\npgoff_t index;\n\/*\n* \u7531\u6620\u5c04\u79c1\u6709\uff0c\u4e0d\u900f\u660e\u6570\u636e\n* \u5982\u679c\u8bbe\u7f6e\u4e86PagePrivate\uff0c\u901a\u5e38\u2f64\u4e8ebuffer_heads\n* \u5982\u679c\u8bbe\u7f6e\u4e86PageSwapCache\uff0c\u5219\u2f64\u4e8eswp_entry_t\n* \u5982\u679c\u8bbe\u7f6e\u4e86PG_buddy\uff0c\u5219\u2f64\u4e8e\u8868\u2f70\u4f19\u4f34\u7cfb\u7edf\u4e2d\u7684\u9636\n*\/\nunsigned long private;};struct { \/* slab, slob and slub *\/union {struct list_head slab_list; \/* uses lru *\/struct { \/* Partial pages *\/\nstruct page* next;\n#ifdef CONFIG_64BIT\nint pages; \/* Nr of pages left *\/\nint pobjects; \/* Approximate count *\/\n#else\nshort int pages;short int pobjects;\n#endif\n};};struct kmem_cache* slab_cache; \/* not slob *\/\/* Double-word boundary *\/\nvoid* freelist; \/* first free object *\/\nunion {void* s_mem; \/* slab: first object *\/\nunsigned long counters; \/* SLUB *\/\nstruct { \/* SLUB *\/\nunsigned inuse : 16; \/* \u2f64\u4e8eSLUB\u5206\u914d\u5668\uff1a\u5bf9\u8c61\u7684\u6570\u2f6c *\/\nunsigned objects : 15;unsigned frozen : 1;\n};\n};};...};union {\n\/* \u5185\u5b58\u7ba1\u7406\u2f26\u7cfb\u7edf\u4e2d\u6620\u5c04\u7684\u2eda\u8868\u9879\u8ba1\u6570\uff0c\u2f64\u4e8e\u8868\u2f70\u2eda\u662f\u5426\u5df2\u7ecf\u6620\u5c04\uff0c\u8fd8\u2f64\u4e8e\u9650\u5236\u9006\u5411\u6620\u5c04\n\u641c\u7d22*\/\natomic_t _mapcount;unsigned int page_type;unsigned int active; \/* SLAB *\/int units; \/* SLOB *\/};...#if defined(WANT_PAGE_VIRTUAL)\n\/* \u5185\u6838\u865a\u62df\u5730\u5740\uff08\u5982\u679c\u6ca1\u6709\u6620\u5c04\u5219\u4e3aNULL\uff0c\u5373\u2fbc\u7aef\u5185\u5b58\uff09 *\/\nvoid* virtual;\n#endif \/* WANT_PAGE_VIRTUAL *\/...}<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\u2f50\u8f83\u91cd\u8981\u7684\u2f0f\u4e2a\u53c2\u6570\uff1a<br>flags:\uff1a\u2f64\u6765\u5b58\u653e\u2eda\u7684\u72b6\u6001\u3002\u8fd9\u4e9b\u72b6\u6001\u5305\u62ec\u2eda\u662f\u4e0d\u662f\u810f\u7684\uff0c\u662f\u4e0d\u662f\u88ab\u9501\u5b9a\u5728\u5185\u5b58\u4e2d\u7b49\u3002flag\u7684\u6bcf\u2f00\u4f4d\u5355\u72ec\u8868\u2f70\u2f00\u79cd\u72b6\u6001\uff0c\u6240\u4ee5\u5b83\u2f84\u5c11\u53ef\u4ee5\u540c\u65f6\u8868\u2f70\u51fa32\u79cd\u4e0d\u540c\u7684\u72b6\u6001\u3002\u8fd9\u4e9b\u6807\u5fd7\u5b9a\u4e49\u5728<linux\/page-flags.h>\u4e2d\u3002\u5176\u4e2d\u2f00\u4e9b\u2f50\u7279\u4f4d\u2fae\u5e38\u91cd\u8981\uff0c\u5982PG_locked\u2f64\u4e8e\u6307\u5b9a\u2eda\u662f\u5426\u9501\u5b9a\uff0cPG_uptodate\u2f64\u4e8e\u8868\u2f70\u2eda\u7684\u6570\u636e\u5df2\u7ecf\u4ece\u5757\u8bbe\u5907\u8bfb\u53d6\u5e76\u4e14\u6ca1\u6709\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n\n\n\n<p>_mapcount:\uff1a\u8868\u2f70\u5728\u2eda\u8868\u4e2d\u6709\u591a\u5c11\u9879\u6307\u5411\u8be5\u2eda\uff0c\u4e5f\u5c31\u662f\u8fd9\u2f00\u2eda\u88ab\u5f15\u2f64\u4e86\u591a\u5c11\u6b21\u3002\u5f53\u8ba1\u6570\u503c\u53d8\u4e3a-1\u65f6\uff0c\u5c31\u8bf4\u660e\u5f53\u524d\u5185\u6838\u5e76\u6ca1\u6709\u5f15\u2f64\u8fd9\u2f00\u2eda\uff0c\u4e8e\u662f\u5728\u65b0\u7684\u5206\u914d\u4e2d\u5c31\u53ef\u4ee5\u4f7f\u2f64\u5b83\u3002<\/p>\n\n\n\n<p>virtual:\u662f\u2eda\u7684\u865a\u62df\u5730\u5740\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5b83\u5c31\u662f\u2eda\u5728\u865a\u62df\u5185\u5b58\u4e2d\u7684\u5730\u5740\u3002\u6709\u4e9b\u5185\u5b58\uff08\u5373\u6240\u8c13\u7684\u2fbc\u7aef\u5185\u5b58\uff09\u5e76\u4e0d\u6c38\u4e45\u5730\u6620\u5c04\u5230\u5185\u6838\u5730\u5740\u7a7a\u95f4\u4e0a\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u57df\u7684\u503c\u4e3aNULL\uff0c\u9700\u8981\u7684\u65f6\u5019\uff0c\u5fc5\u987b\u52a8\u6001\u5730\u6620\u5c04\u8fd9\u4e9b\u2eda\u3002<\/p>\n\n\n\n<p><strong>\u2eda\u8868<br><\/strong>    \u2eda\u8868\u4e2d\u7684\u6bcf\u2f00\u4e2a\u8868\u9879\uff0c\u6307\u5411\u2f00\u4e2a\u7269\u7406\u2eda\u7684\u5f00\u59cb\u5730\u5740\u3002\u5728 32 \u4f4d\u7cfb\u7edf\u4e2d\uff0c\u865a\u62df\u5185\u5b58\u7684\u6700\u2f24\u7a7a\u95f4\u662f 4GB \uff0c\u8fd9\u662f\u6bcf\u2f00\u4e2a\u2f64\u2f3e\u7a0b\u5e8f\u90fd\u62e5\u6709\u7684\u865a\u62df\u5185\u5b58\u7a7a\u95f4\u3002\u65e2\u7136\u9700\u8981\u8ba9 4GB \u7684\u865a\u62df\u5185\u5b58\u5168\u90e8\u53ef\u2f64\uff0c\u90a3\u4e48\u2eda\u8868\u4e2d\u5c31\u9700\u8981\u80fd\u591f\u8868\u2f70\u8fd9\u6240\u6709\u7684 4GB \u7a7a\u95f4\uff0c\u90a3\u4e48\u5c31\u2f00\u5171\u9700\u8981 4GB\/4KB = 1048576 \u4e2a\u8868\u9879<\/p>\n\n\n\n<p>    \u865a\u62df\u5185\u5b58\u770b\u4e0a\u53bb\u88ab\u865a\u7ebf\u201c\u5206\u5272\u201d\u6210\u2f00\u4e2a\u4e2a\u5355\u5143\uff0c\u5176\u5b9e\u5e76\u4e0d\u662f\u771f\u7684\u5206\u5272\uff0c\u865a\u62df\u5185\u5b58\u4ecd\u7136\u662f\u8fde\u7eed\u7684\u3002\u8fd9\u4e2a\u865a\u7ebf\u7684\u5355\u5143\u4ec5\u4ec5\u8868\u2f70\u5b83\u4e0e\u2eda\u8868\u4e2d\u6bcf\u2f00\u4e2a\u8868\u9879\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u5e76\u6700\u7ec8\u6620\u5c04\u5230\u76f8\u540c\u2f24\u2f29\u7684\u2f00\u4e2a\u7269\u7406\u5185\u5b58\u2eda\u4e0a\u3002\u2eda\u8868\u4e2d\u7684\u7269\u7406\u5730\u5740\uff0c\u4e0e\u7269\u7406\u5185\u5b58\u4e4b\u95f4\uff0c\u662f\u968f\u673a\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u54ea\u2fa5\u53ef\u2f64\u5c31\u6307\u5411\u54ea\u2fa5(\u7269\u7406\u2eda)\u3002\u867d\u7136\u6700\u7ec8\u4f7f\u2f64\u7684\u7269\u7406\u5185\u5b58\u662f\u79bb\u6563\u7684\uff0c\u4f46\u662f\u4e0e\u865a\u62df\u5185\u5b58\u5bf9\u5e94\u7684\u7ebf\u6027\u5730\u5740\u662f\u8fde\u7eed\u7684\u3002\u5904\u7406\u5668\u5728\u8bbf\u95ee\u6570\u636e\u3001\u83b7\u53d6\u6307\u4ee4\u65f6\uff0c\u4f7f\u2f64\u7684\u90fd\u662f\u7ebf\u6027\u5730\u5740\uff0c\u53ea\u8981\u5b83\u662f\u8fde\u7eed\u7684\u5c31\u53ef\u4ee5\u4e86\uff0c\u6700\u7ec8\u90fd\u80fd\u591f\u901a\u8fc7\u2eda\u8868\u627e\u5230\u5b9e\u9645\u7684\u7269\u7406\u5730\u5740\u3002<\/p>\n\n\n\n<p>    \u89e3\u51b3\u9700\u8981\u2f24\u5bb9\u91cf\u2eda\u8868\u7684\u6700\u597d\u2f45\u6cd5\u662f\uff1a\u628a\u2eda\u8868\u770b\u6210\u666e\u901a\u7684\u2f42\u4ef6\uff0c\u5bf9\u5b83\u8fdb\u2f8f\u79bb\u6563\u5206\u914d\uff0c\u5373\u5bf9\u2eda\u8868\u518d\u5206\u2eda\uff0c\u7531\u6b64\u5f62\u6210\u591a\u7ea7\u2eda\u8868\u7684\u601d\u60f3\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u628a\u8fd9\u4e2a\u5355\u2f00\u2eda\u8868\u62c6\u5206\u6210 1024 \u4e2a\u4f53\u79ef\u66f4\u2f29\u7684\u6620\u5c04\u8868\u3002\u5982\u4e0b\u56fe\u6240\u2f70\u3002\u8fd9\u6837\u2f00\u6765\uff0c1024(\u6bcf\u4e2a\u8868\u4e2d\u7684\u8868\u9879\u4e2a\u6570) * 1024(\u8868\u7684\u4e2a\u6570)\uff0c\u4ecd\u7136\u53ef\u4ee5\u8986\u76d6 4GB \u7684\u7269\u7406\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p><strong>\u2eda\u2f6c\u5f55\u7ed3\u6784<\/strong><br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"671\" height=\"474\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-33.png\" alt=\"\" class=\"wp-image-295\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-33.png 671w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-33-300x212.png 300w\" sizes=\"auto, (max-width: 671px) 100vw, 671px\" \/><\/figure>\n\n\n\n<p><strong>\u4e24\u7ea7\u2eda\u8868\u7684\u5730\u5740\u8f6c\u6362<\/strong><br><\/p>\n\n\n\n<p>\u4e0b\u2faf\u4ee5\u2f00\u4e2a\u903b\u8f91\u5730\u5740\u4e3a\u4f8b\u3002\u5c06\u903b\u8f91\u5730\u5740\uff08 0000000000,0000000001,11111111111 \uff09\u8f6c\u6362\u4e3a\u7269\u7406\u5730\u5740\u7684\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<p>1. \u572832\u4f4d\u5904\u7406\u5668\u4e2d\uff0c\u91c7\u2f644KB\u7684\u2eda\u2f24\u2f29\uff0c\u5219\u865a\u62df\u5730\u5740\u4e2d\u4f4e12\u4f4d\u4e3a\u2eda\u504f\u79fb\uff0c\u5269\u4e0b\u2fbc20\u4f4d\u7ed9\u2eda\u8868\uff0c\u5206\u6210\u4e24\u7ea7\uff0c\u6bcf\u4e2a\u7ea7\u522b\u536010\u4e2abit\uff0810+10\uff09\u3002<\/p>\n\n\n\n<p> 2. CR3 \u5bc4\u5b58\u5668 \u8bfb\u53d6\u2eda\u2f6c\u5f55\u8d77\u59cb\u5730\u5740\uff0c\u518d\u6839\u636e\u2f00\u7ea7\u2eda\u53f7\u67e5\u2eda\u2f6c\u5f55\u8868\uff0c\u627e\u5230\u4e0b\u2f00\u7ea7\u2eda\u8868\u5728\u7269\u7406\u5185\u5b58\u4e2d\u5b58\u653e\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p>3. \u6839\u636e\u2f06\u7ea7\u2eda\u53f7\u67e5\u8868\uff0c\u627e\u5230\u6700\u7ec8\u60f3\u8981\u8bbf\u95ee\u7684\u5185\u5b58\u5757\u53f7\u3002<\/p>\n\n\n\n<p>4. \u7ed3\u5408\u2eda\u5185\u504f\u79fb\u91cf\u5f97\u5230\u7269\u7406\u5730\u5740<\/p>\n\n\n\n<p>5. \u2f00\u4e2a\u7269\u7406\u2eda\u7684\u5730\u5740\u2f00\u5b9a\u662f 4KB \u5bf9\u2eec\u7684(\u6700\u540e\u7684 12 \u4f4d\u5168\u90e8\u4e3a 0 )\uff0c\u6240\u4ee5\u5176\u5b9e\u53ea\u9700\u8981\u8bb0\u5f55\u7269\u7406\u2eda\u5730\u5740\u7684\u2fbc 20 \u4f4d\u5373\u53ef\u3002 <\/p>\n\n\n\n<p>6. \u4ee5\u4e0a\u5176\u5b9e\u5c31\u662f MMU \u7684\u2f2f\u4f5c\u6d41\u7a0b\u3002MMU(Memory Manage Unit)\u662f\u2f00\u79cd\u786c\u4ef6\u7535\u8def\uff0c\u5176\u901f\u5ea6\u5f88\u5feb\uff0c\u4e3b\u8981\u2f2f\u4f5c\u662f\u8fdb\u2f8f\u5185\u5b58\u7ba1\u7406\uff0c\u5730\u5740\u8f6c\u6362\u53ea\u662f\u5b83\u627f\u63a5\u7684\u4e1a\u52a1\u4e4b\u2f00\u3002<\/p>\n\n\n\n<p>\u6545\uff1a\u5355\u7ea7\u2eda\u8868\u5bf9\u8fde\u7eed\u5185\u5b58\u8981\u6c42\u2fbc\uff0c\u4e8e\u662f\u5f15\u2f0a\u4e86\u591a\u7ea7\u2eda\u8868\uff0c\u4f46\u662f\u591a\u7ea7\u2eda\u8868\u4e5f\u662f\u2f00\u628a\u53cc\u5203\u5251\uff0c\u5728\u51cf\u5c11\u8fde\u7eed\u5b58\u50a8\u8981\u6c42\u4e14\u51cf\u5c11\u5b58\u50a8\u7a7a\u95f4\u7684\u540c\u65f6\u964d\u4f4e\u4e86\u67e5\u8be2\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u6709\u6ca1\u6709\u89e3\u51b3\u65b9\u6cd5\u5462\uff1f<\/p>\n\n\n\n<p>\u7b54\u6848\u662f:\u6ca1\u6709\u5565\u662f\u52a0\u4e00\u4e2a\u4e2d\u95f4\u5c42\u89e3\u51b3\u4e0d\u4e86\u7684\uff0c\u6211\u4eec\u52a0\u5165\u4e86TLB,\u5176\u5b9e\uff0c\u5c31\u662f\u7f13\u5b58\uff0cTranslation Lookaside Buffer\uff0c\u5b66\u540d\u8f6c\u8bd1\u540e\u5907\u7f13\u51b2\u5668<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"662\" height=\"453\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-34.png\" alt=\"\" class=\"wp-image-296\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-34.png 662w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-34-300x205.png 300w\" sizes=\"auto, (max-width: 662px) 100vw, 662px\" \/><\/figure>\n\n\n\n<p><strong>\u7f3a\u2eda\u5f02\u5e38<\/strong><br>\u8bbe\u60f3\uff0cCPU \u7ed9 MMU \u7684\u865a\u62df\u5730\u5740\uff0c\u5728 TLB \u548c\u2eda\u8868\u90fd\u6ca1\u6709\u627e\u5230\u5bf9\u5e94\u7684\u7269\u7406\u2eda\uff0c\u8be5\u600e\u4e48\u529e\u5462\uff1f\u5176\u5b9e\u8fd9\u5c31\u662f \u7f3a\u2eda\u5f02\u5e38 Page Fault \uff0c\u5b83\u662f\u2f00\u4e2a\u7531\u786c\u4ef6\u4e2d\u65ad\u89e6\u53d1\u7684\u53ef\u4ee5\u7531\u8f6f\u4ef6\u903b\u8f91\u7ea0\u6b63\u7684\u9519\u8bef\u3002<\/p>\n\n\n\n<p> \u5047\u5982\u2f6c\u6807\u5185\u5b58\u2eda\u5728\u7269\u7406\u5185\u5b58\u4e2d\u6ca1\u6709\u5bf9\u5e94\u7684\u7269\u7406\u2eda\u6216\u8005\u5b58\u5728\u4f46\u2f46\u5bf9\u5e94\u6743\u9650\uff0cCPU \u5c31\u2f46\u6cd5\u83b7\u53d6\u6570\u636e\uff0c\u8fd9\u79cd \u60c5\u51b5\u4e0bCPU\u5c31\u4f1a\u62a5\u544a\u2f00\u4e2a\u7f3a\u2eda\u9519\u8bef\u3002<\/p>\n\n\n\n<p> \u7531\u4e8e CPU \u6ca1\u6709\u6570\u636e\u5c31\u2f46\u6cd5\u8fdb\u2f8f\u8ba1\u7b97\uff0cCPU\u7f62\u2f2f\u4e86\u2f64\u2f3e\u8fdb\u7a0b\u4e5f\u5c31\u51fa\u73b0\u4e86\u7f3a\u2eda\u4e2d\u65ad\uff0c\u8fdb\u7a0b\u4f1a\u4ece\u2f64\u2f3e\u6001\u5207\u6362 \u5230\u5185\u6838\u6001\uff0c\u5e76\u5c06\u7f3a\u2eda\u4e2d\u65ad\u4ea4\u7ed9\u5185\u6838\u7684 Page Fault Handler \u5904\u7406<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"474\" height=\"215\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-35.png\" alt=\"\" class=\"wp-image-297\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-35.png 474w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/08\/image-35-300x136.png 300w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/figure>\n\n\n\n<p>\u7f3a\u2eda\u4e2d\u65ad\u4f1a\u4ea4\u7ed9 PageFaultHandler \u5904\u7406\uff0c\u5176\u6839\u636e\u7f3a\u2eda\u4e2d\u65ad\u7684\u4e0d\u540c\u7c7b\u578b\u4f1a\u8fdb\u2f8f\u4e0d\u540c\u7684\u5904\u7406\uff1a<br>    Hard Page Fault \u4e5f\u88ab\u79f0\u4e3a Major Page Fault \uff0c\u7ffb\u8bd1\u4e3a\u786c\u7f3a\u2eda\u9519\u8bef\/\u4e3b\u8981\u7f3a\u2eda\u9519\u8bef\uff0c\u8fd9\u65f6\u7269\u7406\u5185\u5b58\u4e2d\u6ca1\u6709\u5bf9\u5e94\u7684\u7269\u7406\u2eda\uff0c\u9700\u8981CPU\u6253\u5f00\u78c1\u76d8\u8bbe\u5907\u8bfb\u53d6\u5230\u7269\u7406\u5185\u5b58\u4e2d\uff0c\u518d\u8ba9MMU\u5efa\u2f74\u865a\u62df\u5730\u5740\u548c\u7269\u7406\u5730\u5740\u7684\u6620\u5c04\u3002<\/p>\n\n\n\n<p>    Soft Page Fault \u4e5f\u88ab\u79f0\u4e3a Minor Page Fault \uff0c\u7ffb\u8bd1\u4e3a\u8f6f\u7f3a\u2eda\u9519\u8bef\/\u6b21\u8981\u7f3a\u2eda\u9519\u8bef\uff0c\u8fd9\u65f6\u7269\u7406\u5185\u5b58\u4e2d\u662f\u5b58\u5728\u5bf9\u5e94\u7269\u7406\u2eda\u7684\uff0c\u53ea\u4e0d\u8fc7\u53ef\u80fd\u662f\u5176\u4ed6\u8fdb\u7a0b\u8c03\u2f0a\u7684\uff0c\u53d1\u51fa\u7f3a\u2eda\u5f02\u5e38\u7684\u8fdb\u7a0b\u4e0d\u77e5\u9053\u2f7d\u5df2\uff0c\u6b64\u65f6MMU\u53ea\u9700\u8981\u5efa\u2f74\u6620\u5c04\u5373\u53ef\uff0c\u2f46\u9700\u4ece\u78c1\u76d8\u8bfb\u53d6\u5199\u2f0a\u5185\u5b58\uff0c\u2f00\u822c\u51fa\u73b0\u5728\u591a\u8fdb\u7a0b\u5171\u4eab\u5185\u5b58\u533a\u57df\u3002<\/p>\n\n\n\n<p>Invalid Page Fault \u7ffb\u8bd1\u4e3a\u2f46\u6548\u7f3a\u2eda\u9519\u8bef\uff0c\u2f50\u5982\u8fdb\u7a0b\u8bbf\u95ee\u7684\u5185\u5b58\u5730\u5740\u8d8a\u754c\u8bbf\u95ee\uff0c\u2f1c\u2f50\u5982\u5bf9\u7a7a\u6307\u9488\u89e3\u5f15\u2f64\u5185\u6838\u5c31\u4f1a\u62a5 segment fault \u9519\u8bef\u4e2d\u65ad\u8fdb\u7a0b\u76f4\u63a5\u6302\u6389\u3002<\/p>\n\n\n\n<p><strong>\u7ebf\u7a0b\u7684\u4f18\u70b9<\/strong><br>\u2022 \u521b\u5efa\u2f00\u4e2a\u65b0\u7ebf\u7a0b\u7684\u4ee3\u4ef7\u8981\u2f50\u521b\u5efa\u2f00\u4e2a\u65b0\u8fdb\u7a0b\u2f29\u5f97\u591a\u2022 \u4e0e\u8fdb\u7a0b\u4e4b\u95f4\u7684\u5207\u6362\u76f8\u2f50\uff0c\u7ebf\u7a0b\u4e4b\u95f4\u7684\u5207\u6362\u9700\u8981\u64cd\u4f5c\u7cfb\u7edf\u505a\u7684\u2f2f\u4f5c\u8981\u5c11\u5f88\u591a\u25e6<\/p>\n\n\n\n<p> \u6700\u4e3b\u8981\u7684\u533a\u522b\u662f\u7ebf\u7a0b\u7684\u5207\u6362\u865a\u62df\u5185\u5b58\u7a7a\u95f4\u4f9d\u7136\u662f\u76f8\u540c\u7684\uff0c\u4f46\u662f\u8fdb\u7a0b\u5207\u6362\u662f\u4e0d\u540c\u7684\u3002\u8fd9\u4e24\u79cd\u4e0a\u4e0b\u2f42\u5207\u6362\u7684\u5904\u7406\u90fd\u662f\u901a\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u6765\u5b8c\u6210\u7684\u3002<\/p>\n\n\n\n<p>\u5185\u6838\u7684\u8fd9\u79cd\u5207\u6362\u8fc7\u7a0b\u4f34\u968f\u7684\u6700\u663e\u8457\u7684\u6027\u80fd\u635f\u8017\u662f\u5c06\u5bc4\u5b58\u5668\u4e2d\u7684\u5185\u5bb9\u5207\u6362\u51fa\u3002\u25e6 \u53e6\u5916\u2f00\u4e2a\u9690\u85cf\u7684\u635f\u8017\u662f\u4e0a\u4e0b\u2f42\u7684\u5207\u6362\u4f1a\u6270\u4e71\u5904\u7406\u5668\u7684\u7f13\u5b58\u673a\u5236\u3002<\/p>\n\n\n\n<p>\u7b80\u5355\u7684\u8bf4\uff0c\u2f00\u65e6\u53bb\u5207\u6362\u4e0a\u4e0b\u2f42\uff0c\u5904\u7406\u5668\u4e2d\u6240\u6709\u5df2\u7ecf\u7f13\u5b58\u7684\u5185\u5b58\u5730\u5740\u2f00\u77ac\u95f4\u90fd\u4f5c\u5e9f\u4e86\u3002\u8fd8\u6709\u2f00\u4e2a\u663e\u8457\u7684\u533a\u522b\u662f\u5f53\u4f60\u6539\u53d8\u865a\u62df\u5185\u5b58\u7a7a\u95f4\u7684\u65f6\u5019\uff0c\u5904\u7406\u7684\u2eda\u8868\u7f13\u51b2 TLB \uff08\u5feb\u8868\uff09\u4f1a\u88ab\u5168\u90e8\u5237\u65b0\uff0c\u8fd9\u5c06\u5bfc\u81f4\u5185\u5b58\u7684\u8bbf\u95ee\u5728\u2f00\u6bb5\u65f6\u95f4\u5185\u76f8\u5f53\u7684\u4f4e\u6548\u3002\u4f46\u662f\u5728\u7ebf\u7a0b\u7684\u5207\u6362\u4e2d\uff0c\u4e0d\u4f1a\u51fa\u73b0\u8fd9\u4e2a\u95ee\u9898\uff0c\u5f53\u7136\u8fd8\u6709\u786c\u4ef6cache\u3002 <\/p>\n\n\n\n<p>\u2022 \u7ebf\u7a0b\u5360\u2f64\u7684\u8d44\u6e90\u8981\u2f50\u8fdb\u7a0b\u5c11<\/p>\n\n\n\n<p>\u2022 \u80fd\u5145\u5206\u5229\u2f64\u591a\u5904\u7406\u5668\u7684\u53ef\u5e76\u2f8f\u6570\u91cf<\/p>\n\n\n\n<p>\u2022 \u5728\u7b49\u5f85\u6162\u901fI\/O\u64cd\u4f5c\u7ed3\u675f\u7684\u540c\u65f6\uff0c\u7a0b\u5e8f\u53ef\u6267\u2f8f\u5176\u4ed6\u7684\u8ba1\u7b97\u4efb\u52a1<\/p>\n\n\n\n<p> \u2022 \u8ba1\u7b97\u5bc6\u96c6\u578b\u5e94\u2f64\uff0c\u4e3a\u4e86\u80fd\u5728\u591a\u5904\u7406\u5668\u7cfb\u7edf\u4e0a\u8fd0\u2f8f\uff0c\u5c06\u8ba1\u7b97\u5206\u89e3\u5230\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u5b9e\u73b0<\/p>\n\n\n\n<p>\u2022 I\/O\u5bc6\u96c6\u578b\u5e94\u2f64\uff0c\u4e3a\u4e86\u63d0\u2fbc\u6027\u80fd\uff0c\u5c06I\/O\u64cd\u4f5c\u91cd\u53e0\u3002\u7ebf\u7a0b\u53ef\u4ee5\u540c\u65f6\u7b49\u5f85\u4e0d\u540c\u7684I\/O\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">POSIX\u7ebf\u7a0b\u5e93<br><\/h2>\n\n\n\n<p><strong>\u5728linux\u4e2d\uff1a<\/strong><\/p>\n\n\n\n<p>\u2022 \u4e0e\u7ebf\u7a0b\u6709\u5173\u7684\u51fd\u6570\u6784\u6210\u4e86\u2f00\u4e2a\u5b8c\u6574\u7684\u7cfb\u5217\uff0c\u7edd\u2f24\u591a\u6570\u51fd\u6570\u7684\u540d\u5b57\u90fd\u662f\u4ee5\u201cpthread_\u201d\u6253\u5934\u7684 <\/p>\n\n\n\n<p>\u2022 \u8981\u4f7f\u2f64\u8fd9\u4e9b\u51fd\u6570\u5e93\uff0c\u8981\u901a\u8fc7\u5f15\u2f0a\u5934\u2f42 <pthread.h><\/p>\n\n\n\n<p>\u2022 \u94fe\u63a5\u8fd9\u4e9b\u7ebf\u7a0b\u51fd\u6570\u5e93\u65f6\u8981\u4f7f\u2f64\u7f16\u8bd1\u5668\u547d\u4ee4\u7684\u201c-lpthread\u201d\u9009\u9879<\/p>\n\n\n\n<p><strong>\u521b\u5efa\u7ebf\u7a0b<\/strong><\/p>\n\n\n\n<p>\u529f\u80fd\uff1a\u521b\u5efa\u2f00\u4e2a\u65b0\u7684\u7ebf\u7a0b<\/p>\n\n\n\n<p>\u539f\u578b\uff1aint pthread_create(pthread_t *thread, const pthread_attr_t *attr, void * (*start_routine)(void*), void *arg);<\/p>\n\n\n\n<p>\u53c2\u6570: thread:\u8fd4\u56de\u7ebf\u7a0bID<\/p>\n\n\n\n<p>attr:\u8bbe\u7f6e\u7ebf\u7a0b\u7684\u5c5e\u6027\uff0cattr\u4e3aNULL\u8868\u2f70\u4f7f\u2f64\u9ed8\u8ba4\u5c5e\u6027<\/p>\n\n\n\n<p>start_routine:\u662f\u4e2a\u51fd\u6570\u5730\u5740\uff0c\u7ebf\u7a0b\u542f\u52a8\u540e\u8981\u6267\u2f8f\u7684\u51fd\u6570<\/p>\n\n\n\n<p>arg:\u4f20\u7ed9\u7ebf\u7a0b\u542f\u52a8\u51fd\u6570\u7684\u53c2\u6570<\/p>\n\n\n\n<p>\u8fd4\u56de\u503c\uff1a\u6210\u529f\u8fd4\u56de0\uff1b\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801<\/p>\n\n\n\n<p><br><strong>\u7ebf\u7a0b\u7ec8\u2f4c<\/strong><br><\/p>\n\n\n\n<p>\u529f\u80fd\uff1a\u7ebf\u7a0b\u7ec8\u2f4c<\/p>\n\n\n\n<p>\u539f\u578b:void pthread_exit(void *value_ptr);<\/p>\n\n\n\n<p>\u53c2\u6570:value_ptr:value_ptr\u4e0d\u8981\u6307\u5411\u2f00\u4e2a\u5c40\u90e8\u53d8\u91cf\u3002<\/p>\n\n\n\n<p>\u8fd4\u56de\u503c\uff1a\u2f46\u8fd4\u56de\u503c\uff0c\u8ddf\u8fdb\u7a0b\u2f00\u6837\uff0c\u7ebf\u7a0b\u7ed3\u675f\u7684\u65f6\u5019\u2f46\u6cd5\u8fd4\u56de\u5230\u5b83\u7684\u8c03\u2f64\u8005\uff08\u2f83\u2f9d\uff09<\/p>\n\n\n\n<p><strong>\u7ebf\u7a0b\u7b49\u5f85<\/strong><br><\/p>\n\n\n\n<p>\u529f\u80fd\uff1a\u7b49\u5f85\u7ebf\u7a0b\u7ed3\u675f<\/p>\n\n\n\n<p>\u539f\u578bint pthread_join(pthread_t thread, void **value_ptr);<\/p>\n\n\n\n<p>\u53c2\u6570: thread:\u7ebf\u7a0bID<\/p>\n\n\n\n<p>value_ptr:\u5b83\u6307\u5411\u2f00\u4e2a\u6307\u9488\uff0c\u540e\u8005\u6307\u5411\u7ebf\u7a0b\u7684\u8fd4\u56de\u503c<br>\u8fd4\u56de\u503c\uff1a\u6210\u529f\u8fd4\u56de0\uff1b\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801<\/p>\n\n\n\n<p><strong>\u5206\u79bb\u7ebf\u7a0b<\/strong><br>\u2022 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u65b0\u521b\u5efa\u7684\u7ebf\u7a0b\u662fjoinable\u7684\uff0c\u7ebf\u7a0b\u9000\u51fa\u540e\uff0c\u9700\u8981\u5bf9\u5176\u8fdb\u2f8fpthread_join\u64cd\u4f5c\uff0c\u5426\u5219\u2f46\u6cd5\u91ca\u653e\u8d44\u6e90\uff0c\u4ece\u2f7d\u9020\u6210\u7cfb\u7edf\u6cc4\u6f0f\u3002<\/p>\n\n\n\n<p>\u2022 \u5982\u679c\u4e0d\u5173\u2f3c\u7ebf\u7a0b\u7684\u8fd4\u56de\u503c\uff0cjoin\u662f\u2f00\u79cd\u8d1f\u62c5\uff0c\u8fd9\u4e2a\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u544a\u8bc9\u7cfb\u7edf\uff0c\u5f53\u7ebf\u7a0b\u9000\u51fa\u65f6\uff0c\u2f83\u52a8\u91ca\u653e\u7ebf\u7a0b\u8d44\u6e90\u3002<\/p>\n\n\n\n<p>int pthread_detach(pthread_t thread);<br><\/p>\n\n\n\n<p>\u4eca\u5929\u7684\u66f4\u65b0\u5c31\u5230\u8fd9\u91cc\uff0c\u5982\u6709\u9519\u8bef\u6b22\u8fce\u8bc4\u8bba\u533a\u6307\u51fa<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. 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