Windows® via C/C++, Fifth Edition

Callback Termination Actions

The thread pool makes it convenient for a callback method to describe some operations that should be performed as your callback function returns. Your callback function uses the opaque pInstance parameter (of the PTP_CALLBACK_INSTANCE data type), which is passed to it to call one of the following functions:

VOID LeaveCriticalSectionWhenCallbackReturns( PTP_CALLBACK_INSTANCE pci, PCRITICAL_SECTION pcs); VOID ReleaseMutexWhenCallbackReturns(PTP_CALLBACK_INSTANCE pci, HANDLE mut); VOID ReleaseSemaphoreWhenCallbackReturns(PTP_CALLBACK_INSTANCE pci, HANDLE sem, DWORD crel); VOID SetEventWhenCallbackReturns(PTP_CALLBACK_INSTANCE pci, HANDLE evt); VOID FreeLibraryWhenCallbackReturns(PTP_CALLBACK_INSTANCE pci, HMODULE mod); ...