From 51b5346adc5157089de39882361773a1259227c7 Mon Sep 17 00:00:00 2001
From: Otto <otto.moerbeek@open-xchange.com>
Date: Fri, 4 Jun 2021 16:02:35 +0200
Subject: [PATCH] Switch OpenBSD to kqueue mplexer; untested

---
 m4/pdns_check_os.m4           | 5 +++++
 pdns/Makefile.am              | 5 +++++
 pdns/dnsdistdist/Makefile.am  | 5 +++++
 pdns/kqueuemplexer.cc         | 2 +-
 pdns/recursordist/Makefile.am | 5 +++++
 5 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/m4/pdns_check_os.m4 b/m4/pdns_check_os.m4
index da4bc8fd11..93aa96a7f6 100644
--- a/m4/pdns_check_os.m4
+++ b/m4/pdns_check_os.m4
@@ -25,6 +25,10 @@ AC_DEFUN([PDNS_CHECK_OS],[
     THREADFLAGS="-pthread"
     have_freebsd="yes"
     ;;
+  openbsd*)
+    THREADFLAGS="-pthread"
+    have_openbsd="yes"
+    ;;
   *)
     LDFLAGS="-pthread $LDFLAGS"
     CXXFLAGS="-pthread $CXXFLAGS"
@@ -32,6 +36,7 @@ AC_DEFUN([PDNS_CHECK_OS],[
   esac
 
   AM_CONDITIONAL([HAVE_FREEBSD], [test "x$have_freebsd" = "xyes"])
+  AM_CONDITIONAL([HAVE_OPENBSD], [test "x$have_openbsd" = "xyes"])
   AM_CONDITIONAL([HAVE_LINUX], [test "x$have_linux" = "xyes"])
   AM_CONDITIONAL([HAVE_SOLARIS], [test "x$have_solaris" = "xyes"])
 
diff --git a/pdns/Makefile.am b/pdns/Makefile.am
index 7fa3b20418..949b144c07 100644
--- a/pdns/Makefile.am
+++ b/pdns/Makefile.am
@@ -1432,6 +1432,11 @@ ixfrdist_SOURCES += kqueuemplexer.cc
 testrunner_SOURCES += kqueuemplexer.cc
 endif
 
+if HAVE_OPENBSD
+ixfrdist_SOURCES += kqueuemplexer.cc
+testrunner_SOURCES += kqueuemplexer.cc
+endif
+
 if HAVE_LINUX
 ixfrdist_SOURCES += epollmplexer.cc
 testrunner_SOURCES += epollmplexer.cc
diff --git a/pdns/dnsdistdist/Makefile.am b/pdns/dnsdistdist/Makefile.am
index 7d2ae2a2ee..f635d4e6b6 100644
--- a/pdns/dnsdistdist/Makefile.am
+++ b/pdns/dnsdistdist/Makefile.am
@@ -374,6 +374,11 @@ dnsdist_SOURCES += kqueuemplexer.cc
 testrunner_SOURCES += kqueuemplexer.cc
 endif
 
+if HAVE_OPENBSD
+dnsdist_SOURCES += kqueuemplexer.cc
+testrunner_SOURCES += kqueuemplexer.cc
+endif
+
 if HAVE_LINUX
 dnsdist_SOURCES += epollmplexer.cc
 testrunner_SOURCES += epollmplexer.cc
diff --git a/pdns/kqueuemplexer.cc b/pdns/kqueuemplexer.cc
index 30094eccb6..cb8a3efb4e 100644
--- a/pdns/kqueuemplexer.cc
+++ b/pdns/kqueuemplexer.cc
@@ -28,7 +28,7 @@
 #include <unistd.h>
 #include "misc.hh"
 #include <sys/types.h>
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__)
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__)
 #include <sys/event.h>
 #endif
 #include <sys/time.h>
diff --git a/pdns/recursordist/Makefile.am b/pdns/recursordist/Makefile.am
index ecdc4632f4..f318d55457 100644
--- a/pdns/recursordist/Makefile.am
+++ b/pdns/recursordist/Makefile.am
@@ -388,6 +388,11 @@ pdns_recursor_SOURCES += kqueuemplexer.cc
 testrunner_SOURCES += kqueuemplexer.cc
 endif
 
+if HAVE_OPENBSD
+pdns_recursor_SOURCES += kqueuemplexer.cc
+testrunner_SOURCES += kqueuemplexer.cc
+endif
+
 if HAVE_LINUX
 pdns_recursor_SOURCES += epollmplexer.cc
 testrunner_SOURCES += epollmplexer.cc
-- 
2.47.2