Použití objektů kritické sekce
Následující příklad ukazuje, jak vlákno inicializuje, vstoupí do a uvolní kritickou sekci. Používá InitializeCriticalSectionAndSpinCount, EnterCriticalSection, LeaveCriticalSectiona DeleteCriticalSection.
// 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;
}