diff --git a/deps/uv/config-unix.mk b/deps/uv/config-unix.mk
index 04afa51094..66c7f3fa4c 100644
--- a/deps/uv/config-unix.mk
+++ b/deps/uv/config-unix.mk
@@ -55,7 +55,6 @@ OBJS += src/uv-common.o
 OBJS += src/inet.o
 
 ifeq (SunOS,$(uname_S))
-EV_CONFIG=config_sunos.h
 CPPFLAGS += -D__EXTENSIONS__ -D_XOPEN_SOURCE=500
 LINKFLAGS+=-lkstat -lnsl -lsendfile -lsocket
 # Library dependencies are not transitive.
@@ -64,14 +63,12 @@ OBJS += src/unix/sunos.o
 endif
 
 ifeq (AIX,$(uname_S))
-EV_CONFIG=config_aix.h
 CPPFLAGS += -Isrc/ares/config_aix -D_ALL_SOURCE -D_XOPEN_SOURCE=500
 LINKFLAGS+= -lperfstat
 OBJS += src/unix/aix.o
 endif
 
 ifeq (Darwin,$(uname_S))
-EV_CONFIG=config_darwin.h
 CPPFLAGS += -D_DARWIN_USE_64_BIT_INODE=1
 LINKFLAGS+=-framework CoreServices -dynamiclib -install_name "@rpath/libuv.dylib"
 SOEXT = dylib
@@ -81,7 +78,6 @@ OBJS += src/unix/fsevents.o
 endif
 
 ifeq (Linux,$(uname_S))
-EV_CONFIG=config_linux.h
 CSTDFLAG += -D_GNU_SOURCE
 LINKFLAGS+=-ldl -lrt
 RUNNER_CFLAGS += -D_GNU_SOURCE
@@ -91,35 +87,30 @@ OBJS += src/unix/linux/linux-core.o \
 endif
 
 ifeq (FreeBSD,$(uname_S))
-EV_CONFIG=config_freebsd.h
 LINKFLAGS+=-lkvm
 OBJS += src/unix/freebsd.o
 OBJS += src/unix/kqueue.o
 endif
 
 ifeq (DragonFly,$(uname_S))
-EV_CONFIG=config_freebsd.h
-LINKFLAGS+=
+LINKFLAGS+=-lkvm
 OBJS += src/unix/freebsd.o
 OBJS += src/unix/kqueue.o
 endif
 
 ifeq (NetBSD,$(uname_S))
-EV_CONFIG=config_netbsd.h
 LINKFLAGS+=-lkvm
 OBJS += src/unix/netbsd.o
 OBJS += src/unix/kqueue.o
 endif
 
 ifeq (OpenBSD,$(uname_S))
-EV_CONFIG=config_openbsd.h
 LINKFLAGS+=-lkvm
 OBJS += src/unix/openbsd.o
 OBJS += src/unix/kqueue.o
 endif
 
 ifneq (,$(findstring CYGWIN,$(uname_S)))
-EV_CONFIG=config_cygwin.h
 # We drop the --std=c89, it hides CLOCK_MONOTONIC on cygwin
 CSTDFLAG = -D_GNU_SOURCE
 LINKFLAGS+=
diff --git a/deps/uv/src/unix/freebsd.c b/deps/uv/src/unix/freebsd.c
index 6619893b9b..4a32f6ee56 100644
--- a/deps/uv/src/unix/freebsd.c
+++ b/deps/uv/src/unix/freebsd.c
@@ -235,12 +235,26 @@ uv_err_t uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
                multiplier = ((uint64_t)1000L / ticks), cpuspeed, maxcpus,
                cur = 0;
   uv_cpu_info_t* cpu_info;
+  const char* maxcpus_key;
+  const char* cptimes_key;
   char model[512];
   long* cp_times;
   int numcpus;
   size_t size;
   int i;
 
+#if defined(__DragonFly__)
+  /* This is not quite correct but DragonFlyBSD doesn't seem to have anything
+   * comparable to kern.smp.maxcpus or kern.cp_times (kern.cp_time is a total,
+   * not per CPU). At least this stops uv_cpu_info() from failing completely.
+   */
+  maxcpus_key = "hw.ncpu";
+  cptimes_key = "kern.cp_time";
+#else
+  maxcpus_key = "kern.smp.maxcpus";
+  cptimes_key = "kern.cp_times";
+#endif
+
   size = sizeof(model);
   if (sysctlbyname("hw.model", &model, &size, NULL, 0) < 0) {
     return uv__new_sys_error(errno);
@@ -262,19 +276,13 @@ uv_err_t uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
     free(*cpu_infos);
     return uv__new_sys_error(errno);
   }
+
   /* kern.cp_times on FreeBSD i386 gives an array up to maxcpus instead of ncpu */
   size = sizeof(maxcpus);
-#ifdef __DragonFly__
-  if (sysctlbyname("hw.ncpu", &maxcpus, &size, NULL, 0) < 0) {
+  if (sysctlbyname(maxcpus_key, &maxcpus, &size, NULL, 0) < 0) {
     free(*cpu_infos);
     return uv__new_sys_error(errno);
   }
-#else
-  if (sysctlbyname("kern.smp.maxcpus", &maxcpus, &size, NULL, 0) < 0) {
-    free(*cpu_infos);
-    return uv__new_sys_error(errno);
-  }
-#endif
 
   size = maxcpus * CPUSTATES * sizeof(long);
 
@@ -284,7 +292,7 @@ uv_err_t uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
     return uv__new_sys_error(ENOMEM);
   }
 
-  if (sysctlbyname("kern.cp_times", cp_times, &size, NULL, 0) < 0) {
+  if (sysctlbyname(cptimes_key, cp_times, &size, NULL, 0) < 0) {
     free(cp_times);
     free(*cpu_infos);
     return uv__new_sys_error(errno);
diff --git a/deps/uv/src/unix/fs.c b/deps/uv/src/unix/fs.c
index a11e99a259..1957fc1498 100644
--- a/deps/uv/src/unix/fs.c
+++ b/deps/uv/src/unix/fs.c
@@ -119,14 +119,17 @@ static ssize_t uv__fs_futime(uv_fs_t* req) {
   ts[1].tv_sec  = req->mtime;
   ts[1].tv_nsec = (unsigned long)(req->mtime * 1000000) % 1000000 * 1000;
   return uv__utimesat(req->file, NULL, ts, 0);
-#elif HAVE_FUTIMES
+#elif defined(__APPLE__)                                                      \
+    || defined(__DragonFly__)                                                 \
+    || defined(__FreeBSD__)                                                   \
+    || defined(__sun)
   struct timeval tv[2];
   tv[0].tv_sec  = req->atime;
   tv[0].tv_usec = (unsigned long)(req->atime * 1000000) % 1000000;
   tv[1].tv_sec  = req->mtime;
   tv[1].tv_usec = (unsigned long)(req->mtime * 1000000) % 1000000;
   return futimes(req->file, tv);
-#else /* !HAVE_FUTIMES */
+#else
   errno = ENOSYS;
   return -1;
 #endif
diff --git a/deps/uv/src/unix/internal.h b/deps/uv/src/unix/internal.h
index 4369cd40d5..6054461822 100644
--- a/deps/uv/src/unix/internal.h
+++ b/deps/uv/src/unix/internal.h
@@ -31,13 +31,10 @@
 # define inline __inline
 #endif
 
-#undef HAVE_FUTIMES
-#undef HAVE_KQUEUE
 #undef HAVE_PORTS_FS
 
 #if __linux__
 # include "linux/syscalls.h"
-# define HAVE_FUTIMES 1 /* emulated with utimesat() */
 #endif /* __linux__ */
 
 #if defined(__sun)
@@ -46,22 +43,9 @@
 # ifdef PORT_SOURCE_FILE
 #  define HAVE_PORTS_FS 1
 # endif
-# define HAVE_FUTIMES 1
 # define futimes(fd, tv) futimesat(fd, (void*)0, tv)
 #endif /* __sun */
 
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun)
-# define HAVE_FUTIMES 1
-#endif
-
-/* FIXME exact copy of the #ifdef guard in uv-unix.h */
-#if defined(__APPLE__)  \
-  || defined(__FreeBSD__) \
-  || defined(__OpenBSD__) \
-  || defined(__NetBSD__)
-# define HAVE_KQUEUE 1
-#endif
-
 #if defined(__APPLE__) && !TARGET_OS_IPHONE
 # include <CoreServices/CoreServices.h>
 #endif
diff --git a/deps/uv/src/unix/udp.c b/deps/uv/src/unix/udp.c
index d8143d40ee..89b83b3924 100644
--- a/deps/uv/src/unix/udp.c
+++ b/deps/uv/src/unix/udp.c
@@ -68,8 +68,7 @@ void uv__udp_finish_close(uv_udp_t* handle) {
     req->bufs = NULL;
 
     if (req->send_cb) {
-      /* FIXME proper error code like UV_EABORTED */
-      uv__set_artificial_error(handle->loop, UV_EINTR);
+      uv__set_artificial_error(handle->loop, UV_ECANCELED);
       req->send_cb(req, -1);
     }
   }
diff --git a/deps/uv/test/benchmark-udp-pummel.c b/deps/uv/test/benchmark-udp-pummel.c
index 820f455a63..77d1e3c3ef 100644
--- a/deps/uv/test/benchmark-udp-pummel.c
+++ b/deps/uv/test/benchmark-udp-pummel.c
@@ -73,7 +73,7 @@ static void send_cb(uv_udp_send_t* req, int status) {
 
   if (status != 0) {
     ASSERT(status == -1);
-    ASSERT(uv_last_error(req->handle->loop).code == UV_EINTR);
+    ASSERT(uv_last_error(req->handle->loop).code == UV_ECANCELED);
     return;
   }
 
diff --git a/deps/uv/test/test-fs-event.c b/deps/uv/test/test-fs-event.c
index 0599c88e4c..67f9421998 100644
--- a/deps/uv/test/test-fs-event.c
+++ b/deps/uv/test/test-fs-event.c
@@ -26,7 +26,7 @@
 #include <fcntl.h>
 
 #ifndef HAVE_KQUEUE
-# if __APPLE__ || __FreeBSD__ || __OpenBSD__ || __NetBSD__
+# if __APPLE__ || __DragonFly__ || __FreeBSD__ || __OpenBSD__ || __NetBSD__
 #  define HAVE_KQUEUE 1
 # endif
 #endif
diff --git a/deps/uv/uv.gyp b/deps/uv/uv.gyp
index 0fa277da4a..749decdea7 100644
--- a/deps/uv/uv.gyp
+++ b/deps/uv/uv.gyp
@@ -201,7 +201,7 @@
             ],
           },
         }],
-        [ 'OS=="freebsd"', {
+        [ 'OS=="freebsd" or OS=="dragonflybsd"', {
           'sources': [ 'src/unix/freebsd.c' ],
           'link_settings': {
             'libraries': [
@@ -220,7 +220,7 @@
             ],
           },
         }],
-        [ 'OS=="mac" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd"', {
+        [ 'OS in "mac freebsd dragonflybsd openbsd netbsd".split()', {
           'sources': [ 'src/unix/kqueue.c' ],
         }],
         ['library=="shared_library"', {