Windows 多線程 Mutex

不使用互斥 2個線程輸出數組arr

#include <string><br />#include <iostream><br />#include <Windows.h><br />using namespace std;</p><p>HANDLE hMutex = NULL;<br />int arr[5] = {1, 2, 3, 4, 5};</p><p>DWORD CALLBACK Thread1(LPVOID Param)<br />{<br />while(true)<br />{<br />//WaitForSingleObject(hMutex, INFINITE);</p><p>cout << "Thread1:/t";<br />for (int i = 0; i < 5; i++)<br />{<br />cout << arr[i] << ' ';<br />Sleep(50);<br />}<br />cout << endl;</p><p>//ReleaseMutex(hMutex);<br />}<br />}</p><p>DWORD CALLBACK Thread2(LPVOID Param)<br />{<br />while(true)<br />{<br />//WaitForSingleObject(hMutex, INFINITE);</p><p>cout << "Thread2:/t";<br />for (int i = 0; i < 5; i++)<br />{<br />cout << arr[i] << ' ';<br />Sleep(50);<br />}<br />cout << endl;</p><p>//ReleaseMutex(hMutex);<br />}<br />}</p><p>int main()<br />{<br />//hMutex = CreateMutex(NULL, NULL, NULL);<br />CreateThread(NULL, 0 ,Thread1, NULL, NULL, NULL);<br />CreateThread(NULL, 0 ,Thread2, NULL, NULL, NULL);<br />while(true)<br />{<br />Sleep(100);<br />}<br />return 0;<br />}<br />

結果:

 

 

使用互斥的輸出:

 

 

HANDLE WINAPI CreateMutex(
  __in          LPSECURITY_ATTRIBUTES {
showTip(this)
}">lpMutexAttributes,
  __in          BOOL {
showTip(this)
}">bInitialOwner,
  __in          LPCTSTR {
showTip(this)
}">lpName
);

 

 

DWORD WINAPI WaitForSingleObject(
  __in          HANDLE {
showTip(this)
}">hHandle,
  __in          DWORD {
showTip(this)
}">dwMilliseconds
);

The WaitForSingleObject function can wait for the following objects:

 

• Change notification
• Console input
• Event
• Memory resource notification
• Mutex
• Process
• Semaphore
• Thread
• Waitable timer

 

主線程利用WaitForSingleObject等待另一個線程結束:

#include <string><br />#include <iostream><br />#include <Windows.h><br />using namespace std;</p><p>int arr[5] = {1, 2, 3, 4, 5};</p><p>DWORD CALLBACK Thread1(LPVOID Param)<br />{<br />for(int c = 0; c < 10; c++)<br />{<br />cout << "Thread1:/t";<br />for (int i = 0; i < 5; i++)<br />{<br />cout << arr[i] << ' ';<br />Sleep(50);<br />}<br />cout << endl;<br />}<br />return 0;<br />}</p><p>HANDLE hThread1 = NULL;<br />int main()<br />{<br />hThread1 = CreateThread(NULL, 0 ,Thread1, NULL, NULL, NULL);<br />WaitForSingleObject(hThread1, INFINITE);<br />return 0;<br />}<br />