Attachment 85838 Details for Bug 69363 – program provoking server segfault

program provoking server segfault

foo.c (text/plain), 975 bytes, created by Kevin Ryde on 2013-09-14 23:51:16 UTC

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Creator: Kevin Ryde

Created: 2013-09-14 23:51:16 UTC

Size: 975 bytes

patch

obsolete

>/*
>   xvfb-run --auto-servernum --server-args="-screen 0 640x480x24 -screen 1 640x480x24" -e /dev/stdout ./foo
>
>*/
>
>#include <stdio.h>
>#include <stdlib.h>
>#include <X11/Xlib.h>
>#include <X11/extensions/sync.h>
>
>int
>main (void)
>{
>  int screen_number = 1;
>
>  Display *display;
>  Screen *screen;
>  Window root;
>  XSyncFence fence;
>  int sync_major, sync_minor;
>
>  display = XOpenDisplay (NULL);
>  if (! display) { abort (); }
>
>  if (screen_number >= ScreenCount(display)) {
>    printf ("no screen number %d\n", screen_number);
>    abort();
>  }
>  screen = ScreenOfDisplay(display, screen_number);
>
>  root = RootWindowOfScreen(screen);
>  printf ("root window %X\n", root);
>
>  if (! XSyncInitialize(display, &sync_major, &sync_minor)) {
>    printf ("cannot SyncInitialize\n");
>    abort();
>  }
>  printf ("SYNC extension %d.%d\n", sync_major, sync_minor);
>
>  fence = XSyncCreateFence(display, root, 0);
>  XSync(display, 0);
>
>  printf ("fence created successfully\n");
>  return 0;
>}

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