From 5ae31a0fdd27855af29f48ff027491629fff5979 Mon Sep 17 00:00:00 2001
From: Darren Tucker <dtucker@dtucker.net>
Date: Wed, 9 Mar 2022 09:41:56 +1100
Subject: Provide killpg implementation.

Based on github PR#301 for Tandem NonStop.
---
 configure.ac                    | 1 +
 openbsd-compat/bsd-misc.c       | 8 ++++++++
 openbsd-compat/openbsd-compat.h | 4 ++++
 3 files changed, 13 insertions(+)

diff --git a/configure.ac b/configure.ac
index 41761c5b..42fd890b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1876,6 +1876,7 @@ AC_CHECK_FUNCS([ \
 	inet_ntoa \
 	inet_ntop \
 	innetgr \
+	killpg \
 	llabs \
 	localtime_r \
 	login_getcapbool \
diff --git a/openbsd-compat/bsd-misc.c b/openbsd-compat/bsd-misc.c
index d9c9b267..3b00ef6d 100644
--- a/openbsd-compat/bsd-misc.c
+++ b/openbsd-compat/bsd-misc.c
@@ -412,6 +412,14 @@ getsid(pid_t pid)
 }
 #endif
 
+#ifndef HAVE_KILLPG
+int
+killpg(pid_t pgrp, int sig)
+{
+	return kill(pgrp, sig);
+}
+#endif
+
 #ifdef FFLUSH_NULL_BUG
 #undef fflush
 int _ssh_compat_fflush(FILE *f)
diff --git a/openbsd-compat/openbsd-compat.h b/openbsd-compat/openbsd-compat.h
index 0cecfb62..4316ab84 100644
--- a/openbsd-compat/openbsd-compat.h
+++ b/openbsd-compat/openbsd-compat.h
@@ -82,6 +82,10 @@ int getpagesize(void);
 char *getcwd(char *pt, size_t size);
 #endif
 
+#ifndef HAVE_KILLPG
+int killpg(pid_t, int);
+#endif
+
 #if defined(HAVE_DECL_MEMMEM) && HAVE_DECL_MEMMEM == 0
 void *memmem(const void *, size_t, const void *, size_t);
 #endif
-- 
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