#include?“windows.h“
#include?
#include?

const?unsigned?short?BUFFER_SIZE?=?10;?
short?writer_id?=?0;?
short?reader_id?=?0;?
short?in?=?0;?
short?out?=?0;?

int?buffer[BUFFER_SIZE];?
bool?continu?=?true;?
HANDLE?hmutex;?
HANDLE?hfullsemaphore;?
HANDLE?hemptysemaphore;?

double?eRandom（int?upLimit）;
typedef?struct
{	int?data;
}INTEGER;

void?Reader（）
{
??reader_id=buffer[out];
??out=（out+1）%BUFFER_SIZE;
}

void?Writer（）
{
???buffer[in]=writer_id;
???in=（in+1）%BUFFER_SIZE;
}
DWORD?WINAPI?reader（LPVOID?lppara）
{
	while（continu）{
	WaitForSingleobject（hemptysemaphoreINFINITE）;
	WaitForSingleobject（hmutexINFINITE）;
????if（reader_id==10）
????return?0;
	int?tNo=（（INTEGER*）lppara）->data;
	printf（“第?%d?個讀者讀出?%d?\n“tNo++reader_id）;

	int?sleepTime=20*（int）eRandom（50+tNo）;
	Sleep（sleepTime）;
??
	Reader（）;
	
	ReleaseMutex（hmutex）;
	ReleaseSemaphore（hfullsemaphore1NULL）;
	}
	return?0;
}


DWORD?WINAPI?writer（LPVOID?lppara）
{
	while（continu）{
		WaitForSingleobject（hfullsemaphoreINFINITE）;???
		WaitForSingleobject（hmutexINFINITE）;		
????????if（writer_id==10）
????????return?0;
???
		int?tNo=（（INTEGER*）lppara）->data;
		printf（“第?%d?個寫入者寫入?%d?\n“tNo++writer_id）;
		int?sleepTime=10*（int）eRandom（50+tNo）;
		Sleep（sleepTime）;
	
		Writer（）;
		
		ReleaseMutex（hmutex）;