1 files changed, 7 insertions, 0 deletions

diff --git a/init.c b/init.c
index a354f8a75..e70d5a15d 100644
--- a/init.c
+++ b/init.c
@@ -430,6 +430,13 @@ extern int init_main(int argc, char **argv)
 #endif
 
     
+#ifndef DEBUG_INIT
+    if (getpid() != 1) {
+        usage( "init\n\nInit is the parent of all processes.\n\n"
+                "This version of init is designed to be run only by the kernel\n");
+    }
+#endif
+
     /* Check if we are supposed to be in single user mode */
     if ( argc > 1 && (!strcmp(argv[1], "single") || 
                 !strcmp(argv[1], "-s") || !strcmp(argv[1], "1"))) {