{"id":207554,"date":"2025-07-08T09:25:58","date_gmt":"2025-07-08T01:25:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207554\/"},"modified":"2025-07-08T09:25:58","modified_gmt":"2025-07-08T01:25:58","slug":"%e5%a6%82%e4%bd%95%e4%b8%b2%e8%a1%8c%e5%ae%8c%e6%88%90%e4%b8%80%e4%ba%9b-gorouting","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207554\/","title":{"rendered":"\u5982\u4f55\u4e32\u884c\u5b8c\u6210\u4e00\u4e9b gorouting"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u4e32\u884c\u5b8c\u6210\u4e00\u4e9b gorouting<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-23 16:18:29<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7\u300a\u5982\u4f55\u4e32\u884c\u5b8c\u6210\u4e00\u4e9b gorouting\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0Golang<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6709\u4e00\u4e2a go \u9879\u76ee\u793a\u4f8b\uff0c\u8bd5\u56fe\u6a21\u62df\u70d8\u7119 1000 \u4e2a\u62ab\u8428\u5e76\u53d1\u7684\u60c5\u51b5\uff0c\u4f46\u70e4\u7bb1\u53ea\u6709 10 \u4e2a\u90e8\u4ef6\u6765\u653e\u7f6e\u62ab\u8428\u3002\u6211\u662f\u8fd9\u6837\u5f00\u53d1\u7684\uff0c\u4f46\u662fgoroutines\u9677\u5165\u50f5\u5c40\u3002\u6709\u4eba\u4f1a\u5e2e\u5fd9\u5417<\/p>\n

package main\n\nimport (\n    \"fmt\"\n    \"sync\"\n    \"time\"\n)\n\ntype Material struct {\n    material int\n    mutex    sync.Mutex\n}\n\nvar (\n    mOven  sync.Mutex\n    inOven int\n)\n\nfunc main() {\n    rawMaterial := Material{material: 10000}\n\n    var waitGroup sync.WaitGroup\n\n    for i := 0; i < 1000; i++ {\n        waitGroup.Add(1)\n        go perparePizza(&waitGroup, &rawMaterial, i)\n\n    }\n    waitGroup.Wait()\n    fmt.Println(\"finished with remained material:\", rawMaterial.material)\n}\n\nfunc perparePizza(wg *sync.WaitGroup, m *Material, num int) {\n    defer wg.Done()\n    fmt.Println(\"Preparing Pizza:\", num)\n    m.mutex.Lock()\n    m.material--\n    m.mutex.Unlock()\n    \/\/  time.Sleep(time.Second * 2)\n    var isCooking chan bool\n    for {\n        ovenManeger(num, isCooking)\n        select {\n        case <-isCooking:\n            putInOven(num)\n        default:\n            fmt.Println(\"waiting for accepting cook!\", num)\n            time.Sleep(time.Second)\n        }\n    }\n\n    fmt.Printf(\"Pizza %d is ready \\n\", num)\n}\n\nfunc ovenManeger(num int, couldPleaseCook chan bool) {\n    if inOven < 10 {\n        mOven.Lock()\n        inOven = inOven + 1\n        couldPleaseCook <- true\n        mOven.Unlock()\n    }\n}\nfunc putInOven(num int) {\n    fmt.Println(\"putInOven\", num)\n    time.Sleep(time.Second * 30)\n    mOven.Lock()\n    inOven = inOven - 1\n    mOven.Unlock()\n}<\/pre>\n
\u5f53 10 \u4e2a\u70e4\u7bb1\u90e8\u4ef6\u51fa\u73b0\u6b7b\u9501\u65f6\uff0c\u4f1a\u5f15\u53d1\u9519\u8bef<\/p>\n
\u51c6\u5907\u62ab\u8428\uff1a9 \u51c6\u5907\u62ab\u8428\uff1a0 \u51c6\u5907\u62ab\u8428\uff1a1 \u51c6\u5907\u62ab\u8428\uff1a2 \u51c6\u5907\u62ab\u8428\uff1a3 \u51c6\u5907\u62ab\u8428\uff1a4 \u51c6\u5907\u62ab\u8428\uff1a5 \u51c6\u5907\u62ab\u8428\uff1a6 \u51c6\u5907\u62ab\u8428\uff1a7 \u51c6\u5907\u62ab\u8428\uff1a8 \u81f4\u547d\u9519\u8bef\uff1a\u6240\u6709 goroutine \u90fd\u5728\u7761\u89c9 – \u6b7b\u9501\uff01<\/p>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u6211\u662f\u8fd9\u6837\u6539\u7684\uff0c\u4f46\u6211\u8ba4\u4e3a\u4e5f\u4f1a\u6709\u66f4\u597d\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n
package main\n\nimport (\n    \"fmt\"\n    \"sync\"\n    \"time\"\n)\n\ntype Material struct {\n    material int\n    mutex    sync.RWMutex\n}\n\nvar readValue = make(chan int)\nvar writeValue = make(chan int)\n\nfunc set(newValue int) {\n    writeValue <- newValue\n}\n\nfunc read() int {\n    return <-readValue\n}\n\nfunc backing() {\n    var value int\n    var internalCounter int\n    for {\n        select {\n        case newValue := <-writeValue:\n            internalCounter = internalCounter + 1\n            value = newValue\n            putInOven(value)\n\n        case readValue <- value:\n            internalCounter = internalCounter - 1\n        }\n    }\n}\nfunc main() {\n    rawMaterial := Material{material: 10000}\n\n    var waitGroup sync.WaitGroup\n\n    for i := 1; i <= 100; i++ {\n        waitGroup.Add(1)\n        go perparePizza(&waitGroup, &rawMaterial, i)\n\n    }\n    for i := 0; i < 10; i++ {\n        go backing()\n    }\n    waitGroup.Wait()\n    fmt.Println(\"finished with remained material:\", rawMaterial.material)\n}\n\nfunc perparePizza(wg *sync.WaitGroup, m *Material, num int) {\n    defer wg.Done()\n    \/\/  fmt.Println(\"Preparing Pizza:\", num)\n    m.mutex.Lock()\n    m.material--\n    m.mutex.Unlock()\n    \/\/  time.Sleep(time.Second * 2)\n    set(num)\n\n    fmt.Printf(\"Pizza %d is ready \\n\", num)\n}\n\nfunc putInOven(num int) {\n    \/\/  fmt.Println(\"putInOven\", num)\n    time.Sleep(time.Second * 3)\n}<\/pre>\n
\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGolang\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207554","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207554"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207554\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}