admin管理员组

文章数量:1565787

Windows提供的临界区对是CRITICAL_SECTION,使用步骤如下:

(1)创建临界区对象 CRITICAL_SECTION    Section;

          查阅代码可知,CRITICAL_SECTION是一个结构体,声明如下

typedef RTL_CRITICAL_SECTION CRITICAL_SECTION;

typedef struct _RTL_CRITICAL_SECTION {
    PRTL_CRITICAL_SECTION_DEBUG DebugInfo;

    //
    //  The following three fields control entering and exiting the critical
    //  section for the resource
    //

    LONG LockCount;
    LONG RecursionCount;
    HANDLE OwningThread;        // from the thread's ClientId->UniqueThread
    HANDLE LockSemaphore;
    ULONG_PTR SpinCount;        // force size on 64-bit systems when packed
} RTL_CRITICAL_SECTION, *PRTL_CRITICAL_SECTION;

(2)初始化临界区 In

本文标签: 临界多线程WindowsCRITICALSECTION