os: unexport LockServer() and UnlockServer() from public module API

These functions work on server process level, and shouldn't be touched
by drivers at all, thus shouldn't be exported to them.

(couldn't find any driver/module using these symbols)

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1320>

include/os.h

@@ -257,11 +257,6 @@ typedef int (*OsSigWrapperPtr) (int /* sig */ );
 extern _X_EXPORT OsSigWrapperPtr
 OsRegisterSigWrapper(OsSigWrapperPtr newWrap);
 
-extern _X_EXPORT void
-LockServer(void);
-extern _X_EXPORT void
-UnlockServer(void);
-
 extern _X_EXPORT Bool
 PrivsElevated(void);
 

os/osinit.c

@@ -63,6 +63,7 @@ SOFTWARE.
 #include "dix/dix_priv.h"
 #include "os/busfault.h"
 #include "os/osdep.h"
+#include "os/serverlock.h"
 
 #include "misc.h"
 #include "os.h"

os/serverlock.h

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: MIT OR X11
+ *
+ * Copyright © 2024 Enrico Weigelt, metux IT consult <info@metux.net>
+ */
+#ifndef _XSERVER_SERVERLOCK_H
+#define _XSERVER_SERVERLOCK_H
+
+void LockServer(void);
+void UnlockServer(void);
+
+#endif /* _XSERVER_SERVERLOCK_H */

os/utils.c

@@ -110,6 +110,7 @@ __stdcall unsigned long GetTickCount(void);
 #include "os/cmdline.h"
 #include "os/ddx_priv.h"
 #include "os/osdep.h"
+#include "os/serverlock.h"
 
 #include "dixstruct.h"
 #include "xkbsrv.h"