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__dllonexit

Registers a routine to be called at exit time.

_onexit_t __dllonexit(
   _onexit_t func,
   _PVFV **  pbegin, 
   _PVFV **  pend 
   )

Parameters

  • func
    Pointer to a function to be executed upon exit.

  • pbegin
    Pointer to a variable that points to the beginning of a list of functions to execute on detach.

  • pend
    Pointer to variable that points to the end of a list of functions to execute on detach.

Return Value

If successful, a pointer to the user’s function. Otherwise, a NULL pointer.

Remarks

The __dllonexit function is analogous to the _onexit function except that the global variables used by that function are not visible to this routine. Instead of global variables, this function uses the pbegin and pend parameters.

The _onexit and atexit functions in a DLL linked with MSVCRT.LIB must maintain their own atexit/_onexit list. This routine is the worker that gets called by such DLLs.

The _PVFV type is defined as typedef void (__cdecl *_PVFV)(void).

Requirements

Routine

Required file

__dllonexit

onexit.c

See Also

Reference

_onexit, _onexit_m