--- zzzz-none-000/linux-3.10.107/arch/um/os-Linux/main.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/um/os-Linux/main.c	2021-02-04 17:41:59.000000000 +0000
@@ -1,4 +1,5 @@
 /*
+ * Copyright (C) 2015 Thomas Meyer (thomas@m3y3r.de)
  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
@@ -123,6 +124,8 @@
 
 	setup_env_path();
 
+	setsid();
+
 	new_argv = malloc((argc + 1) * sizeof(char *));
 	if (new_argv == NULL) {
 		perror("Mallocing argv");
@@ -149,6 +152,7 @@
 #endif
 
 	do_uml_initcalls();
+	change_sig(SIGPIPE, 0);
 	ret = linux_main(argc, argv);
 
 	/*
@@ -160,13 +164,13 @@
 
 	/*
 	 * This signal stuff used to be in the reboot case.  However,
-	 * sometimes a SIGVTALRM can come in when we're halting (reproducably
+	 * sometimes a timer signal can come in when we're halting (reproducably
 	 * when writing out gcov information, presumably because that takes
 	 * some time) and cause a segfault.
 	 */
 
-	/* stop timers and set SIGVTALRM to be ignored */
-	disable_timer();
+	/* stop timers and set timer signal to be ignored */
+	os_timer_disable();
 
 	/* disable SIGIO for the fds and set SIGIO to be ignored */
 	err = deactivate_all_fds();