IntPtr

IntPtr精品文章

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  java中的hashCode

  ...数的实现如下(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 评论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 评论0 收藏0
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  OpenResty下使用Apache Ant Path匹配库

  ...------------) -- 使用Increment函数 -- begin -- -- 指针操作 local intPtr = lua2go.ToGoPointer(1) antpath.Increment(intPtr) print(lua2go.ToLua(intPtr[0])) -- 使用Increment函数 -- end -- print(-----------------...

  TerryCai 2019-07-25 15:06 评论0 收藏0
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  (六) synchronized的源码分析

  ...码片段 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 评论0 收藏0
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  视频控件VideoCapX的使用指南和常见问题合集

  ... 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 评论0 收藏0
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  OpenJDK9 Hotspot : synchronized 浅析

  ...et_obj(lockee); ... markOop mark = lockee->mark(); intptr_t hash = (intptr_t) markOopDesc::no_hash; if (mark->has_bias_pattern()) { // 尝试使用偏向锁... ...

  Amio 2019-08-14 17:40 评论0 收藏0
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  OpenJDK9 Hotspot：Zero 解释器 初探

  ...op 解释执行 字节码 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 评论0 收藏0
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  分析Nginx 源码 - ngx_module_t接口总结

  ...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 评论0 收藏0
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  【PHP7源码分析】PHP7源码研究之浅谈Zend虚拟机

  ..._array->vars[i] = zend_new_interned_string(name); return (int)(zend_intptr_t)ZEND_CALL_VAR_NUM(NULL, i); } 3）T为IS_VAR和IS_TMP_VAR类型变量的总数，编译时遇到这种类型，T就会加一，用于后续在执行栈上分配空间。 4）static_variables是用于...

  马龙驹 2019-07-01 10:22 评论0 收藏0
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  【Nginx源码研究】Nginx的事件模块介绍

  ...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 评论0 收藏0