Xext: shm: use CloseScreen hook

Wrapping ScreenRec's function pointers is problematic for many reasons,
so use the new screen close notify hook instead.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2024-09-27 19:09:59 +02:00
parent c5780c4c35
commit 4497e36cb5

View File

@ -43,6 +43,7 @@ in this Software without prior written authorization from The Open Group.
#include <X11/Xfuncproto.h> #include <X11/Xfuncproto.h>
#include "dix/dix_priv.h" #include "dix/dix_priv.h"
#include "dix/screen_hooks_priv.h"
#include "os/auth.h" #include "os/auth.h"
#include "os/busfault.h" #include "os/busfault.h"
#include "os/client_priv.h" #include "os/client_priv.h"
@ -96,7 +97,6 @@ in this Software without prior written authorization from The Open Group.
#endif /* XINERAMA */ #endif /* XINERAMA */
typedef struct _ShmScrPrivateRec { typedef struct _ShmScrPrivateRec {
CloseScreenProcPtr CloseScreen;
ShmFuncsPtr shmFuncs; ShmFuncsPtr shmFuncs;
DestroyPixmapProcPtr destroyPixmap; DestroyPixmapProcPtr destroyPixmap;
} ShmScrPrivateRec; } ShmScrPrivateRec;
@ -195,15 +195,13 @@ CheckForShmSyscall(void)
#endif #endif
static Bool static void
ShmCloseScreen(ScreenPtr pScreen) ShmScreenClose(CallbackListPtr *pcbl, ScreenPtr pScreen, void *unused)
{ {
ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen); ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen);
pScreen->CloseScreen = screen_priv->CloseScreen;
dixSetPrivate(&pScreen->devPrivates, shmScrPrivateKey, NULL); dixSetPrivate(&pScreen->devPrivates, shmScrPrivateKey, NULL);
free(screen_priv); free(screen_priv);
return (*pScreen->CloseScreen) (pScreen);
} }
static ShmScrPrivateRec * static ShmScrPrivateRec *
@ -213,9 +211,8 @@ ShmInitScreenPriv(ScreenPtr pScreen)
if (!screen_priv) { if (!screen_priv) {
screen_priv = calloc(1, sizeof(ShmScrPrivateRec)); screen_priv = calloc(1, sizeof(ShmScrPrivateRec));
screen_priv->CloseScreen = pScreen->CloseScreen;
dixSetPrivate(&pScreen->devPrivates, shmScrPrivateKey, screen_priv); dixSetPrivate(&pScreen->devPrivates, shmScrPrivateKey, screen_priv);
pScreen->CloseScreen = ShmCloseScreen; dixScreenHookClose(pScreen, ShmScreenClose);
} }
return screen_priv; return screen_priv;
} }