diff -ru busybox-1.35.0.orig/procps/kill.c busybox-1.35.0/procps/kill.c

--- busybox-1.35.0.orig/procps/kill.c	2021-12-26 17:53:21.000000000 +0100

+++ busybox-1.35.0/procps/kill.c	2022-02-05 22:46:30.981801454 +0100

@@ -189,6 +189,29 @@

 	if (is_killall5 && arg[0] == 'o')

 		goto do_it_now;

+#if ENABLE_KILL && defined(__midipix__)

+	extern intptr_t __sys_dbg_kill(int pfd);

+	extern intptr_t __sys_dbg_attach(pid_t pid);

+

+	/* -n PID (native PID) */

+	if (arg[0] == 'n') {

+		arg = *++argv;

+		if(!arg) {

+			bb_error_msg("-n requires a PID argument");

+			return EXIT_FAILURE;

+		}

+		pid = bb_strtoi(arg, NULL, 10);

+		if (errno) {

+			bb_error_msg("invalid number '%s'", arg);

+			return EXIT_FAILURE;

+		} else if ((__sys_dbg_kill(__sys_dbg_attach(pid))) != 0) {

+			bb_perror_msg("can't kill native pid %d", (int)pid);

+			return EXIT_FAILURE;

+		}

+		return EXIT_SUCCESS;

+	}

+#endif

+

 	/* "--" separates options from args. Testcase: "kill -- -123" */

 	if (!is_killall5 && arg[0] == '-' && arg[1] == '\0')

 		goto do_it_sooner;