diff --git a/src/unistd.rs b/src/unistd.rs
index 7aa1cffe39..8da4f93238 100644
--- a/src/unistd.rs
+++ b/src/unistd.rs
@@ -30,11 +30,18 @@ feature! {
     pub use self::pivot_root::*;
 }
 
-#[cfg(any(target_os = "android", target_os = "freebsd",
-          target_os = "linux", target_os = "openbsd"))]
+#[cfg(any(target_os = "android",
+          target_os = "dragonfly",
+          target_os = "freebsd",
+          target_os = "linux",
+          target_os = "openbsd"))]
 pub use self::setres::*;
 
-#[cfg(any(target_os = "android", target_os = "linux"))]
+#[cfg(any(target_os = "android",
+          target_os = "dragonfly",
+          target_os = "freebsd",
+          target_os = "linux",
+          target_os = "openbsd"))]
 pub use self::getres::*;
 
 feature! {
@@ -2691,8 +2698,11 @@ mod pivot_root {
 }
 }
 
-#[cfg(any(target_os = "android", target_os = "freebsd",
-          target_os = "linux", target_os = "openbsd"))]
+#[cfg(any(target_os = "android",
+          target_os = "dragonfly",
+          target_os = "freebsd",
+          target_os = "linux",
+          target_os = "openbsd"))]
 mod setres {
     feature! {
     #![feature = "users"]
@@ -2735,7 +2745,11 @@ mod setres {
     }
 }
 
-#[cfg(any(target_os = "android", target_os = "linux"))]
+#[cfg(any(target_os = "android",
+          target_os = "dragonfly",
+          target_os = "freebsd",
+          target_os = "linux",
+          target_os = "openbsd"))]
 mod getres {
     feature! {
     #![feature = "users"]
diff --git a/test/test_unistd.rs b/test/test_unistd.rs
index 59ab24e462..0f56b929d3 100644
--- a/test/test_unistd.rs
+++ b/test/test_unistd.rs
@@ -621,7 +621,11 @@ fn test_sysconf_unsupported() {
 }
 
 
-#[cfg(any(target_os = "android", target_os = "linux"))]
+#[cfg(any(target_os = "android",
+          target_os = "dragonfly",
+          target_os = "freebsd",
+          target_os = "linux",
+          target_os = "openbsd"))]
 #[test]
 fn test_getresuid() {
     let resuids = getresuid().unwrap();
@@ -630,7 +634,11 @@ fn test_getresuid() {
     assert!(resuids.saved.as_raw() != libc::uid_t::max_value());
 }
 
-#[cfg(any(target_os = "android", target_os = "linux"))]
+#[cfg(any(target_os = "android",
+          target_os = "dragonfly",
+          target_os = "freebsd",
+          target_os = "linux",
+          target_os = "openbsd"))]
 #[test]
 fn test_getresgid() {
     let resgids = getresgid().unwrap();