From ebea9e6d8f77c87a59383f58566b1c27fed232b3 Mon Sep 17 00:00:00 2001
From: Mateusz Guzik <mjg@FreeBSD.org>
Date: Mon, 2 Sep 2019 13:55:31 +0000
Subject: [PATCH] libutil: remove SIGSYS handling from setusercontext

It was a workaround for cases where the kernel lacks setloginclass(2),
added in the 9.x era.

Submitted by:	Pawel Biernacki
---
 lib/libutil/login_class.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/lib/libutil/login_class.c b/lib/libutil/login_class.c
index ceee5c8912f7..532b2bed3059 100644
--- a/lib/libutil/login_class.c
+++ b/lib/libutil/login_class.c
@@ -40,7 +40,6 @@ __FBSDID("$FreeBSD$");
 #include <login_cap.h>
 #include <paths.h>
 #include <pwd.h>
-#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -428,7 +427,6 @@ setusercontext(login_cap_t *lc, const struct passwd *pwd, uid_t uid, unsigned in
     rlim_t	p;
     mode_t	mymask;
     login_cap_t *llc = NULL;
-    struct sigaction sa, prevsa;
     struct rtprio rtp;
     int error;
 
@@ -521,16 +519,7 @@ setusercontext(login_cap_t *lc, const struct passwd *pwd, uid_t uid, unsigned in
 
     /* Inform the kernel about current login class */
     if (lc != NULL && lc->lc_class != NULL && (flags & LOGIN_SETLOGINCLASS)) {
-	/*
-	 * XXX: This is a workaround to fail gracefully in case the kernel
-	 *      does not support setloginclass(2).
-	 */
-	bzero(&sa, sizeof(sa));
-	sa.sa_handler = SIG_IGN;
-	sigfillset(&sa.sa_mask);
-	sigaction(SIGSYS, &sa, &prevsa);
 	error = setloginclass(lc->lc_class);
-	sigaction(SIGSYS, &prevsa, NULL);
 	if (error != 0) {
 	    syslog(LOG_ERR, "setloginclass(%s): %m", lc->lc_class);
 #ifdef notyet