使用关键节对象
以下示例演示线程如何初始化、输入和释放 关键节。 它使用 InitializeCriticalSectionAndSpinCount、 EnterCriticalSection、 LeaveCriticalSection 和 DeleteCriticalSection 函数。
// Global variable
CRITICAL_SECTION CriticalSection;
int main( void )
{
...
// Initialize the critical section one time only.
if (!InitializeCriticalSectionAndSpinCount(&CriticalSection,
0x00000400) )
return;
...
// Release resources used by the critical section object.
DeleteCriticalSection(&CriticalSection);
}
DWORD WINAPI ThreadProc( LPVOID lpParameter )
{
...
// Request ownership of the critical section.
EnterCriticalSection(&CriticalSection);
// Access the shared resource.
// Release ownership of the critical section.
LeaveCriticalSection(&CriticalSection);
...
return 1;
}
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