Add support for DragonFly BSD

etc/rc.conf.DragonFly

@@ -0,0 +1,13 @@
+##############################################################################
+# DragonFly BSD SPECIFIC OPTIONS
+
+# This is the subsystem type. Valid options on DragonFly BSD:
+# ""        - nothing special
+# "jail"    - DragonFly BSD jails
+# "prefix"  - Prefix
+# If this is commented out, automatic detection will be used.
+#
+# This should be set to the value representing the environment this file is
+# PRESENTLY in, not the virtualization the environment is capable of.
+#rc_sys=""
+

mk/os-DragonFly.mk

@@ -0,0 +1,6 @@
+# Copyright (c) 2008 Roy Marples <roy@marples.name>
+# Released under the 2-clause BSD license.
+
+# Generic definitions
+
+include ${MK}/os-BSD.mk

src/librc/librc-daemon.c

@@ -164,9 +164,15 @@ librc_hidden_def(rc_find_pids)
 #  endif
 #  define _KINFO_PROC kinfo_proc
 #  define _KVM_GETARGV kvm_getargv
+#  if defined(__DragonFly__)
+#    define _GET_KINFO_UID(kp) (kp.kp_ruid)
+#    define _GET_KINFO_COMM(kp) (kp.kp_comm)
+#    define _GET_KINFO_PID(kp) (kp.kp_pid)
+#  else
 #    define _GET_KINFO_UID(kp) (kp.ki_ruid)
 #    define _GET_KINFO_COMM(kp) (kp.ki_comm)
 #    define _GET_KINFO_PID(kp) (kp.ki_pid)
+#  endif
 #  define _KVM_PATH _PATH_DEVNULL
 #  define _KVM_FLAGS O_RDONLY
 # endif

src/rc/rc-plugin.h

@@ -41,7 +41,7 @@ void rc_plugin_unload(void);
 void rc_plugin_run(RC_HOOK, const char *value);
 
 /* dlfunc defines needed to avoid ISO errors. FreeBSD has this right :) */
-#ifndef __FreeBSD__
+#if !defined(__FreeBSD__) && !defined(__DragonFly__)
 struct __dlfunc_arg {
 	int	__dlfunc_dummy;
 };

src/rc/start-stop-daemon.c

@@ -110,6 +110,7 @@ extern char **environ;
 #if !defined(SYS_ioprio_set) && defined(__NR_ioprio_set)
 # define SYS_ioprio_set __NR_ioprio_set
 #endif
+#if !defined(__DragonFly__)
 static inline int ioprio_set(int which, int who, int ioprio)
 {
 #ifdef SYS_ioprio_set
@@ -118,6 +119,7 @@ static inline int ioprio_set(int which, int who, int ioprio)
 	return 0;
 #endif
 }
+#endif
 
 static void
 free_schedulelist(void)