search for: initdisplaylist

...too tired today. Why did that take me so long? > >The culprit seems to be > >R_ProcessEvents((void*) NULL) > >in newX11DeviceDriver > >This gets called *before* this stuff at the end of Rf_addX11Device > > dd = GEcreateDevDesc(dev); > addDevice((DevDesc*) dd); > initDisplayList((DevDesc*) dd); > >and it is that "dd" that gets called by Rf_playDisplayList. Removing >the offending line stops the segfaulting, seemingly with no ill >effects. > >I'm not really sure what the use of that line ever was; it might be >necessary to make the call so...

...gt;> >>> R_ProcessEvents((void*) NULL) >>> >>> in newX11DeviceDriver >>> >>> This gets called *before* this stuff at the end of Rf_addX11Device >>> >>> dd = GEcreateDevDesc(dev); >>> addDevice((DevDesc*) dd); >>> initDisplayList((DevDesc*) dd); >>> >>> and it is that "dd" that gets called by Rf_playDisplayList. Removing >>> the offending line stops the segfaulting, seemingly with no ill >>> effects. >>> >>> I'm not really sure what the use of that line eve...

I don't recall exactly what I did 18 years ago eiher and I likely don't have the time to dig into the archives and reconstruct. I can imagine that the issue had to do with the protocol around creating and mapping windows. Presumably the segfault comes from looking for events on a window that hasn't been created yet, or has already been destroyed, leading to a NULL reference somewhere.

...------------>> ..... Gah. I've been too tired today. Why did that take me so long? The culprit seems to be R_ProcessEvents((void*) NULL) in newX11DeviceDriver This gets called *before* this stuff at the end of Rf_addX11Device dd = GEcreateDevDesc(dev); addDevice((DevDesc*) dd); initDisplayList((DevDesc*) dd); and it is that "dd" that gets called by Rf_playDisplayList. Removing the offending line stops the segfaulting, seemingly with no ill effects. I'm not really sure what the use of that line ever was; it might be necessary to make the call somewhere later, but it appea...

...gt;> >>>>> in newX11DeviceDriver >>>>> >>>>> This gets called *before* this stuff at the end of Rf_addX11Device >>>>> >>>>> dd = GEcreateDevDesc(dev); >>>>> addDevice((DevDesc*) dd); >>>>> initDisplayList((DevDesc*) dd); >>>>> >>>>> and it is that "dd" that gets called by Rf_playDisplayList. Removing >>>>> the offending line stops the segfaulting, seemingly with no ill >>>>> effects. >>>>> >>>>> I'...

...t;> The culprit seems to be >> >> R_ProcessEvents((void*) NULL) >> >> in newX11DeviceDriver >> >> This gets called *before* this stuff at the end of Rf_addX11Device >> >> dd = GEcreateDevDesc(dev); >> addDevice((DevDesc*) dd); >> initDisplayList((DevDesc*) dd); >> >> and it is that "dd" that gets called by Rf_playDisplayList. Removing >> the offending line stops the segfaulting, seemingly with no ill >> effects. >> >> I'm not really sure what the use of that line ever was; it might be &gt...

...s((void*) NULL) >>>> >>>> in newX11DeviceDriver >>>> >>>> This gets called *before* this stuff at the end of Rf_addX11Device >>>> >>>> dd = GEcreateDevDesc(dev); >>>> addDevice((DevDesc*) dd); >>>> initDisplayList((DevDesc*) dd); >>>> >>>> and it is that "dd" that gets called by Rf_playDisplayList. Removing >>>> the offending line stops the segfaulting, seemingly with no ill >>>> effects. >>>> >>>> I'm not really sure wha...