diff -u -r cvs-1.12.12/src/cvs.h cvs_my/src/cvs.h
--- cvs-1.12.12/src/cvs.h	2005-04-14 16:14:55.000000000 +0200
+++ cvs_my/src/cvs.h	2005-05-03 16:44:52.837176991 +0200
@@ -163,6 +163,7 @@
 #define CVSROOTADM_CONFIG	"config"
 #define	CVSROOTADM_HISTORY	"history"
 #define	CVSROOTADM_IGNORE	"cvsignore"
+#define CVSROOTADM_LOCKINFO	"lockinfo"
 #define	CVSROOTADM_LOGINFO	"loginfo"
 #define	CVSROOTADM_MODULES	"modules"
 #define CVSROOTADM_NOTIFY	"notify"
diff -u -r cvs-1.12.12/src/lock.c cvs_my/src/lock.c
--- cvs-1.12.12/src/lock.c	2005-04-14 16:13:26.000000000 +0200
+++ cvs_my/src/lock.c	2005-05-03 17:54:40.813153559 +0200
@@ -476,7 +476,23 @@
     }
 }
 
+int
+check_lock_info_proc(const char * rep, const char * filter, void * ud)
+{
+	const char * srepos = Short_Repository(rep);
+	char * cmdline = Xasprintf("%s %s", filter, rep);
+	run_setup (cmdline);
+	free(cmdline);
+	return(abs(run_exec(RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL | RUN_SIGIGNORE)));
+}
 
+int
+check_lock_info(const char * xrep)
+{
+	int n;
+	n = Parse_Info (CVSROOTADM_LOCKINFO, xrep, check_lock_info_proc, PIOPT_ALL, NULL);
+	return n;
+}
 
 /*
  * Create a lock file for readers
@@ -489,6 +505,11 @@
 
     TRACE (TRACE_FUNCTION, "Reader_Lock(%s)", xrepository);
 
+    if (check_lock_info(xrepository)){
+	    error(0, 0, "Lock Info failed");
+	    return 1;
+    }
+
     if (noexec || readonlyfs)
 	return 0;