From 89ea3be6c29234dcf5f4fbc02e7a2947ea9a580b Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Sat, 12 Nov 2011 15:36:31 -0800
Subject: [PATCH] Add support for DragonFly BSD by sharing code for FreeBSD.

---
 config-unix.mk     | 9 +++++++++
 src/unix/eio/eio.c | 2 +-
 src/unix/freebsd.c | 8 +++++++-
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/config-unix.mk b/config-unix.mk
index 9524061b1..8fe7254cf 100644
--- a/config-unix.mk
+++ b/config-unix.mk
@@ -74,6 +74,15 @@ OBJS += src/unix/freebsd.o
 OBJS += src/unix/kqueue.o
 endif
 
+ifeq (DragonFly,$(uname_S))
+EV_CONFIG=config_freebsd.h
+EIO_CONFIG=config_freebsd.h
+CPPFLAGS += -Isrc/ares/config_freebsd
+LINKFLAGS+=
+OBJS += src/unix/freebsd.o
+OBJS += src/unix/kqueue.o
+endif
+
 ifeq (NetBSD,$(uname_S))
 EV_CONFIG=config_netbsd.h
 EIO_CONFIG=config_netbsd.h
diff --git a/src/unix/eio/eio.c b/src/unix/eio/eio.c
index 237400611..75abd9bb6 100644
--- a/src/unix/eio/eio.c
+++ b/src/unix/eio/eio.c
@@ -316,7 +316,7 @@ static int gettimeofday(struct timeval *tv, struct timezone *tz)
 #if HAVE_SENDFILE
 # if __linux
 #  include <sys/sendfile.h>
-# elif __FreeBSD__ || defined __APPLE__
+# elif __FreeBSD__ || __DragonFly__ || defined __APPLE__
 #  include <sys/socket.h>
 #  include <sys/uio.h>
 # elif __hpux
diff --git a/src/unix/freebsd.c b/src/unix/freebsd.c
index 7c5deabb8..a519f86d4 100644
--- a/src/unix/freebsd.c
+++ b/src/unix/freebsd.c
@@ -50,11 +50,17 @@ int uv_exepath(char* buffer, size_t* size) {
     return -1;
   }
 
-
+#ifdef __DragonFly__
+  mib[0] = CTL_KERN;
+  mib[1] = KERN_PROC;
+  mib[2] = KERN_PROC_ARGS;
+  mib[3] = getpid();
+#else
   mib[0] = CTL_KERN;
   mib[1] = KERN_PROC;
   mib[2] = KERN_PROC_PATHNAME;
   mib[3] = -1;
+#endif
 
   cb = *size;
   if (sysctl(mib, 4, buffer, &cb, NULL, 0) < 0) {