From db87b06ffbc16a574bbc753b6ea96d9490e2ecf6 Mon Sep 17 00:00:00 2001
From: Claudio Jeker <claudio@cvs.openbsd.org>
Date: Fri, 3 Jan 2020 09:46:42 +0000
Subject: Retire csignal() the last users were converted to use pgsigio(9)
 instead. OK visa@ anton@

---
 sys/kern/kern_sig.c | 29 +----------------------------
 sys/sys/signalvar.h |  3 +--
 2 files changed, 2 insertions(+), 30 deletions(-)

(limited to 'sys')

diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c
index 776ef7382bf..b42384cf7f8 100644
--- a/sys/kern/kern_sig.c
+++ b/sys/kern/kern_sig.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kern_sig.c,v 1.238 2019/12/31 13:48:32 visa Exp $	*/
+/*	$OpenBSD: kern_sig.c,v 1.239 2020/01/03 09:46:41 claudio Exp $	*/
 /*	$NetBSD: kern_sig.c,v 1.54 1996/04/22 01:38:32 christos Exp $	*/
 
 /*
@@ -711,33 +711,6 @@ killpg1(struct proc *cp, int signum, int pgid, int all)
 #define CANSIGIO(cr, pr) \
 	CANDELIVER((cr)->cr_ruid, (cr)->cr_uid, (pr))
 
-/*
- * Deliver signum to pgid, but first check uid/euid against each
- * process and see if it is permitted.
- */
-void
-csignal(pid_t pgid, int signum, uid_t uid, uid_t euid)
-{
-	struct pgrp *pgrp;
-	struct process *pr;
-
-	if (pgid == 0)
-		return;
-	if (pgid < 0) {
-		pgid = -pgid;
-		if ((pgrp = pgfind(pgid)) == NULL)
-			return;
-		LIST_FOREACH(pr, &pgrp->pg_members, ps_pglist)
-			if (CANDELIVER(uid, euid, pr))
-				prsignal(pr, signum);
-	} else {
-		if ((pr = prfind(pgid)) == NULL)
-			return;
-		if (CANDELIVER(uid, euid, pr))
-			prsignal(pr, signum);
-	}
-}
-
 /*
  * Send a signal to a process group.  If checktty is 1,
  * limit to members which have a controlling terminal.
diff --git a/sys/sys/signalvar.h b/sys/sys/signalvar.h
index 6181b28c63c..3db07dab10e 100644
--- a/sys/sys/signalvar.h
+++ b/sys/sys/signalvar.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: signalvar.h,v 1.36 2019/05/13 19:21:31 bluhm Exp $	*/
+/*	$OpenBSD: signalvar.h,v 1.37 2020/01/03 09:46:41 claudio Exp $	*/
 /*	$NetBSD: signalvar.h,v 1.17 1996/04/22 01:23:31 christos Exp $	*/
 
 /*
@@ -160,7 +160,6 @@ struct sigio_ref;
  */
 int	coredump(struct proc *p);
 void	execsigs(struct proc *p);
-void	csignal(pid_t pgid, int signum, uid_t uid, uid_t euid);
 int	issignal(struct proc *p);
 void	pgsigio(struct sigio_ref *sir, int sig, int checkctty);
 void	pgsignal(struct pgrp *pgrp, int sig, int checkctty);
-- 
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