IntPtr精品文章

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  java中的hashCode

  ...數的實現如下(src/share/vm/runtime/synchronizer.cpp) static inline intptr_t get_next_hash(Thread * Self, oop obj) { intptr_t value = 0 ; if (hashCode == 0) { // This form uses an unguarded globa...

  cnTomato 2019-08-15 15:38 評論0 收藏0
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  CAS(compareAndSwap)原理

  ...ge_value, volatile unsigned int* dest, unsigned int compare_value); static intptr_t cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value); static void* cmpxchg_pt...

  wyk1184 2019-08-16 14:00 評論0 收藏0
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  OpenResty下使用Apache Ant Path匹配庫

  ...------------) -- 使用Increment函數 -- begin -- -- 指針操作 local intPtr = lua2go.ToGoPointer(1) antpath.Increment(intPtr) print(lua2go.ToLua(intPtr[0])) -- 使用Increment函數 -- end -- print(-----------------...

  TerryCai 2019-07-25 15:06 評論0 收藏0
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  (六) synchronized的源碼分析

  ...碼片段 class markOopDesc: public oopDesc { private: // Conversion uintptr_t value() const { return (uintptr_t) this; } public: // Constants enum { age_bits = 4, loc...

  jhhfft 2019-08-16 13:55 評論0 收藏0
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  視頻控件VideoCapX的使用指南和常見問題合集

  ... g.DrawRectangle(System.Drawing.Pens.Red, mx, my, mw, mh); IntPtr bh = b.GetHbitmap(); videoCapX.SetBitmapOverlay((int)bh,0,0,0xffffff,255); if(oldbh!=...

  KavenFan 2019-06-21 16:15 評論0 收藏0
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  OpenJDK9 Hotspot : synchronized 淺析

  ...et_obj(lockee); ... markOop mark = lockee->mark(); intptr_t hash = (intptr_t) markOopDesc::no_hash; if (mark->has_bias_pattern()) { // 嘗試使用偏向鎖... ...

  Amio 2019-08-14 17:40 評論0 收藏0
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  OpenJDK9 Hotspot：Zero 解釋器 初探

  ...op 解釋執行 字節碼 int CppInterpreter::normal_entry(Method* method, intptr_t UNUSED, TRAPS) { JavaThread *thread = (JavaThread*) THREAD; // Allocate and initialize our frame. InterpreterFrame...

  zhangqh 2019-08-14 15:39 評論0 收藏0
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  分析Nginx 源碼 - ngx_module_t接口總結

  ...cycle); void (*exit_master)(ngx_cycle_t *cycle); uintptr_t spare_hook0; uintptr_t spare_hook1; uintptr_t spare_hook2; uintpt...

  sunnyxd 2019-07-25 14:03 評論0 收藏0
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  【PHP7源碼分析】PHP7源碼研究之淺談Zend虛擬機

  ..._array->vars[i] = zend_new_interned_string(name); return (int)(zend_intptr_t)ZEND_CALL_VAR_NUM(NULL, i); } 3）T為IS_VAR和IS_TMP_VAR類型變量的總數，編譯時遇到這種類型，T就會加一，用于后續在執行棧上分配空間。 4）static_variables是用于...

  馬龍駒 2019-07-01 10:22 評論0 收藏0
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  【Nginx源碼研究】Nginx的事件模塊介紹

  ...er_process_cycle(ngx_cycle_t *cycle, void *data) { ngx_int_t worker = (intptr_t) data; ngx_process = NGX_PROCESS_WORKER; ngx_worker = worker; /* 初始化worker */ ngx_worker_proc...

  heartFollower 2019-07-25 14:29 評論0 收藏0