35 windows_35_Thread_Tls 线程局部存储

Posted 2020-07-23 养老保险年审

windows_35_Thread_Tls 线程局部存储

// windows_35_Thread_Tls.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include <windows.h>
#include <stdio.h>
#include <string.h>
int g_AddVar = 0;
CHAR *g_pszText1 = NULL;
__declspec(thread)CHAR *g_pszText2 = NULL;
void print( )
{
  //printf( "Text1:%s\n", g_pszText1 );
  printf( "Text2:%s\n", g_pszText2 );
}
DWORD WINAPI   PrintProc( LPVOID  pParam )
{
  CHAR *pszText = (CHAR*)pParam;
  g_pszText1 = (CHAR *)malloc( 100 );
  memset( g_pszText1, 0, 100 );
  strcpy_s( g_pszText1, strlen(pszText)+1, pszText );
  g_pszText2 = (CHAR *)malloc( 100 );
  memset( g_pszText2, 0, 100 );
  //strcpy_s( g_pszText2, strlen( pszText ) + 1, pszText );
  sprintf_s( g_pszText2, 100, "%s,%d", pszText, ++g_AddVar );
  while (true)
  {
    print( );
    Sleep( 1000 );
  }
}
void Create( )
{
  //1、定义线程处理函数
  //ThreadProc
  //2、创建线程
  //CreateThread
  DWORD dwThread = 0;
  CHAR szText1[] = "Thread 1------------";
  HANDLE hThread = CreateThread( NULL, 0, PrintProc, szText1, 0, &dwThread );
  //线程2
  CHAR szText2[] = "Thread 2*************";
  hThread = CreateThread( NULL, 0, PrintProc, szText2, 0, &dwThread );
  //线程3
  CHAR szText3[] = "Thread 3xxxxxxxxxxxxxxxx";
  hThread = CreateThread( NULL, 0, PrintProc, szText3, 0, &dwThread );
  //3、使用线程
  //4、结束线程
  //ExitThread
  //TerminateThread
  //5、线程挂起和执行
  //挂起线程、SuspendThread
  //执行线程、ResumeThread
  //6、等候线程的结束
  //WaitForSingleObject
  //7、关闭线程句柄
  //CloseHandle
  getchar( );
}
int _tmain(int argc, _TCHAR* argv[])
{
  Create( );
	return 0;
}

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