void __grab_int_ctrl_break( void )
{
if( __old_int_ctrl_break == 0 ) {
#if defined(__WINDOWS_386__)
__old_int_ctrl_break = _dos_getvect( CTRL_BRK_VEC );
TinySetVect( CTRL_BRK_VEC, (void (_WCNEAR *)(void))__int_ctrl_break_handler );
#elif defined( __386__ )
if( _IsPharLap() ) {
__old_int_ctrl_break = pharlap_rm_getvect( CTRL_BRK_VEC );
__old_pm_int_ctrl_break = pharlap_pm_getvect( CTRL_BRK_VEC );
pharlap_setvect( CTRL_BRK_VEC, (pfun) (void (_WCNEAR *)(void))__int_ctrl_break_handler );
} else if( __DPMI_hosted() == 1 ) {
DPMILockLinearRegion((long)__int_ctrl_break_handler,
((long)__restore_int23 - (long)__int_ctrl_break_handler));
__old_int_ctrl_break = DPMIGetRealModeInterruptVector( CTRL_BRK_VEC );
__old_pm_int_ctrl_break = DPMIGetPMInterruptVector( CTRL_BRK_VEC );
DPMISetPMInterruptVector( CTRL_BRK_VEC, __int_ctrl_break_handler );
} else { /* what it used to do */
__old_int_ctrl_break = _dos_getvect( CTRL_BRK_VEC );
_dos_setvect( CTRL_BRK_VEC, __int_ctrl_break_handler );
}
#else
__old_int_ctrl_break = _dos_getvect( CTRL_BRK_VEC );
_dos_setvect( CTRL_BRK_VEC, __int_ctrl_break_handler );
#endif
if( __int23_exit == __null_int23_exit ) {
__int23_exit = __restore_int_ctrl_break;
} else if( __int23_exit == __restore_int23 ) {
__int23_exit = __restore_int;
}
}
}
void __GrabFP87( void )
{
#ifndef __WINDOWS__
if( _RWD_FPE_handler_exit != __Fini_FPE_handler ) {
#ifdef __DOS_386__
if( !_IsPharLap() && ( __DPMI_hosted() == 1 )) {
DPMILockLinearRegion((long)&__FPEHandlerStart_,
((long)&__FPEHandlerEnd_ - (long)&__FPEHandlerStart_));
}
#endif
__Init_FPE_handler();
_RWD_FPE_handler_exit = __Fini_FPE_handler;
}
#endif
}
void __CommonInit( void )
/**************************/
{
#if defined(__DOS_386__) && !defined(__OSI__)
/*
* If we are running under DOS/4G then we need to page lock interrupt
* handlers (since we could be running under VMM).
*/
if (!_IsPharLap() && (__DPMI_hosted() == 1))
{
DPMILockLinearRegion((long)&__GETDSStart_,
((long)&__GETDSEnd_ - (long)&__GETDSStart_));
}
#endif
}
