diff options
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/solaris/sun_init.c')
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/solaris/sun_init.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/xorg-server/hw/xfree86/os-support/solaris/sun_init.c b/xorg-server/hw/xfree86/os-support/solaris/sun_init.c index 16fc1b739..cc50f36c4 100644 --- a/xorg-server/hw/xfree86/os-support/solaris/sun_init.c +++ b/xorg-server/hw/xfree86/os-support/solaris/sun_init.c @@ -46,15 +46,12 @@ #define SOL_CONSOLE_DEV "/dev/console" static Bool KeepTty = FALSE; -static Bool Protect0 = FALSE; static Bool UseConsole = FALSE; #ifdef HAS_USL_VTS static int VTnum = -1; static int xf86StartVT = -1; static int vtEnabled = 0; -extern void xf86VTAcquire(int); -extern void xf86VTRelease(int); #endif /* Device to open as xf86Info.consoleFd */ @@ -97,27 +94,6 @@ xf86OpenConsole(void) if (geteuid() != 0) FatalError("xf86OpenConsole: Server must be suid root\n"); - /* Protect page 0 to help find NULL dereferencing */ - /* mprotect() doesn't seem to work */ - if (Protect0) { - int fd = -1; - - if ((fd = open("/dev/zero", O_RDONLY, 0)) < 0) { - xf86Msg(X_WARNING, - "xf86OpenConsole: cannot open /dev/zero (%s)\n", - strerror(errno)); - } - else { - if (mmap(0, 0x1000, PROT_NONE, - MAP_FIXED | MAP_SHARED, fd, 0) == MAP_FAILED) - xf86Msg(X_WARNING, - "xf86OpenConsole: failed to protect page 0 (%s)\n", - strerror(errno)); - - close(fd); - } - } - #ifdef HAS_USL_VTS /* @@ -371,15 +347,6 @@ xf86ProcessArgument(int argc, char **argv, int i) } /* - * Undocumented flag to protect page 0 from read/write to help catch NULL - * pointer dereferences. This is purely a debugging flag. - */ - if (!strcmp(argv[i], "-protect0")) { - Protect0 = TRUE; - return 1; - } - - /* * Use /dev/console as the console device. */ if (!strcmp(argv[i], "-C")) { |