c语言双缓冲缓冲机制

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
using namespace std;
DWORD WINAPI Fun1(LPVOID lpParameter);
DWORD WINAPI Fun2(LPVOID lpParameter);
DWORD WINAPI Run1(LPVOID lpParameter);
DWORD WINAPI Run2(LPVOID lpParameter);
int processnum;
int buffernum;
queue B1;
queue B2;
int main(void)
{

    printf("请输入需要执行进程的个数：");
    scanf("%d",&processnum);
    printf("请输入每个缓冲区最多能缓冲进程的个数：");
    scanf("%d",&buffernum);
	HANDLE hThread1= CreateThread(NULL, 0, Fun1, NULL, 0, NULL);
	HANDLE hThread2 = CreateThread(NULL, 0, Fun2, NULL, 0, NULL);
	HANDLE hThread3= CreateThread(NULL, 0, Run1, NULL, 0, NULL);
	HANDLE hThread4 = CreateThread(NULL, 0, Run2, NULL, 0, NULL);
	CloseHandle(hThread1);
	CloseHandle(hThread3);
	CloseHandle(hThread2);
	CloseHandle(hThread4);
	Sleep(4000);
	return 0;
}
DWORD WINAPI Fun1(LPVOID lpParameter)
{
    while(processnum>0){
        if(B1.size()>=buffernum){
        printf("一号缓冲区等待。。。\n");
        Sleep(40);
        }else{
        printf("一号缓冲区缓冲程序:%d\n",processnum);
        B1.push(processnum);
        processnum--;
        Sleep(40);
	    }
    }

}
DWORD WINAPI Fun2(LPVOID lpParameter)
{
    Sleep(30);
      while(processnum>0){
        if(B2.size()>=buffernum){
        printf("2号缓冲区等待。。。\n");
        Sleep(30);
        }else{
        printf("2号缓冲区缓冲程序:%d\n",processnum);
        B2.push(processnum);
        processnum--;
        Sleep(40);
        }
	}



}
DWORD WINAPI Run1(LPVOID lpParameter)
{
     while(processnum>=0){
        if(B1.size()>0){
        printf("一号执行程序:%d\n",B1.front());
        B1.pop();
        Sleep(40);
        }else{

        printf("一号执行等待。。。\n");
        Sleep(400);
        }

	}

}
DWORD WINAPI Run2(LPVOID lpParameter)
{
	  while(processnum>=0){

        if(B2.size()>0){
        printf("2号执行程序:%d\n",B2.front());
        B2.pop();
         Sleep(40);
	    }else{

        printf("2号执行等待。。。\n");
        Sleep(400);


	}}
}