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UINT WriteA(LPVOID pParam);
UINT WriteB(LPVOID pParam);
UINT WriteC(LPVOID pParam);
#include "afxmt.h"
CSemaphore semaphoreWrite(2,2); //资源最多访问线程2个,当前可访问线程数2个
char g_Array[10];
UINT WriteA(LPVOID pParam)
{
CEdit *pEdit=(CEdit*)pParam;
pEdit->SetWindowText("");
WaitForSingleObject(semaphoreWrite.m_hObject,INFINITE);
CString str;
for(int i=0;i<10;i++)
{
pEdit->GetWindowText(str);
g_Array[i]=''A'';
str=str+g_Array[i];
pEdit->SetWindowText(str);
Sleep(1000);
}
ReleaseSemaphore(semaphoreWrite.m_hObject,1,NULL);
return 0;
}
UINT WriteB(LPVOID pParam)
{
CEdit *pEdit=(CEdit*)pParam;
pEdit->SetWindowText("");
WaitForSingleObject(semaphoreWrite.m_hObject,INFINITE);
CString str;
for(int i=0;i<10;i++)
{
pEdit->GetWindowText(str);
g_Array[i]=''B'';
str=str+g_Array[i];
pEdit->SetWindowText(str);
Sleep(1000);
}
ReleaseSemaphore(semaphoreWrite.m_hObject,1,NULL);
return 0;
}
UINT WriteC(LPVOID pParam)
{
CEdit *pEdit=(CEdit*)pParam;
pEdit->SetWindowText("");
WaitForSingleObject(semaphoreWrite.m_hObject,INFINITE);
for(int i=0;i<10;i++)
{
g_Array[i]=''C'';
pEdit->SetWindowText(g_Array);
Sleep(1000);
}
ReleaseSemaphore(semaphoreWrite.m_hObject,1,NULL);
return 0;
}
void CMultiThread10Dlg::OnStart()
{
CWinThread *pWriteA=AfxBeginThread(WriteA,
&m_ctrlA,
THREAD_PRIORITY_NORMAL,
0,
CREATE_SUSPENDED);
pWriteA->ResumeThread();
CWinThread *pWriteB=AfxBeginThread(WriteB,
&m_ctrlB,
THREAD_PRIORITY_NORMAL,
0,
CREATE_SUSPENDED);
pWriteB->ResumeThread();
CWinThread *pWriteC=AfxBeginThread(WriteC,
&m_ctrlC,
THREAD_PRIORITY_NORMAL,
0,
CREATE_SUSPENDED);
pWriteC->ResumeThread();
}