diff --git a/src/dox.rs b/src/dox.rs
index c7d3dc9c2deba..762212607f3af 100644
--- a/src/dox.rs
+++ b/src/dox.rs
@@ -6,6 +6,7 @@ mod imp {
     pub use core::clone::Clone;
     pub use core::marker::Copy;
     pub use core::mem;
+    pub use core::hash::{Hash, Hasher};
 }
 
 #[cfg(dox)]
diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index e8f97e4edeb08..ff1772a821d40 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -173,6 +173,7 @@ s! {
         pub dli_saddr: *mut ::c_void,
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr_in {
         pub sin_len: u8,
         pub sin_family: ::sa_family_t,
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index 4b3a504dcbfbf..29c38939bdf5d 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -113,6 +113,7 @@ s! {
         pub dli_saddr: *mut ::c_void,
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr_in {
         pub sin_len: u8,
         pub sin_family: ::sa_family_t,
diff --git a/src/unix/bsd/mod.rs b/src/unix/bsd/mod.rs
index 027033bcec963..88dc67a22c9cd 100644
--- a/src/unix/bsd/mod.rs
+++ b/src/unix/bsd/mod.rs
@@ -1,3 +1,4 @@
+use dox::{Hash, Hasher};
 use dox::mem;
 
 pub type c_char = i8;
@@ -11,12 +12,14 @@ pub type pthread_t = ::uintptr_t;
 pub type nfds_t = ::c_uint;
 
 s! {
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr {
         pub sa_len: u8,
         pub sa_family: sa_family_t,
         pub sa_data: [::c_char; 14],
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr_in6 {
         pub sin6_len: u8,
         pub sin6_family: sa_family_t,
@@ -107,6 +110,21 @@ s! {
     }
 }
 
+impl PartialEq for sockaddr_un {
+    fn eq(&self, other: &sockaddr_un) -> bool {
+        self.sun_family == other.sun_family && &self.sun_path[..] == &other.sun_path[..]
+    }
+}
+
+impl Eq for sockaddr_un { }
+
+impl Hash for sockaddr_un {
+    fn hash<H>(&self, state: &mut H) where H: Hasher {
+        self.sun_family.hash(state);
+        &self.sun_path[..].hash(state);
+    }
+}
+
 pub const FIOCLEX: ::c_ulong = 0x20006601;
 pub const FIONBIO: ::c_ulong = 0x8004667e;
 
diff --git a/src/unix/bsd/openbsdlike/mod.rs b/src/unix/bsd/openbsdlike/mod.rs
index d4319b2d56294..daa1504d02e10 100644
--- a/src/unix/bsd/openbsdlike/mod.rs
+++ b/src/unix/bsd/openbsdlike/mod.rs
@@ -24,6 +24,7 @@ s! {
         pub ss_flags: ::c_int,
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr_in {
         pub sin_len: u8,
         pub sin_family: ::sa_family_t,
diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index 704406e63120f..8358fccec7e72 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -57,10 +57,12 @@ s! {
     }
 
     #[cfg_attr(target_os = "netbsd", repr(packed))]
+    #[derive(Eq, Hash, PartialEq)]
     pub struct in_addr {
         pub s_addr: in_addr_t,
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct in6_addr {
         pub s6_addr: [u8; 16],
         __align: [u32; 0],
diff --git a/src/unix/notbsd/linux/mod.rs b/src/unix/notbsd/linux/mod.rs
index e8dec9c68e9a8..7e9418822a59b 100644
--- a/src/unix/notbsd/linux/mod.rs
+++ b/src/unix/notbsd/linux/mod.rs
@@ -125,6 +125,7 @@ s! {
         __f_spare: [::c_int; 6],
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr_nl {
         pub nl_family: ::sa_family_t,
         nl_pad: ::c_ushort,
diff --git a/src/unix/notbsd/mod.rs b/src/unix/notbsd/mod.rs
index 6c93a0ddcf0c3..54fbd65bb64af 100644
--- a/src/unix/notbsd/mod.rs
+++ b/src/unix/notbsd/mod.rs
@@ -1,3 +1,4 @@
+use dox::{Hash, Hasher};
 use dox::mem;
 
 pub type rlim_t = c_ulong;
@@ -9,11 +10,13 @@ pub type tcflag_t = ::c_uint;
 pub enum timezone {}
 
 s! {
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr {
         pub sa_family: sa_family_t,
         pub sa_data: [::c_char; 14],
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr_in {
         pub sin_family: sa_family_t,
         pub sin_port: ::in_port_t,
@@ -21,6 +24,7 @@ s! {
         pub sin_zero: [u8; 8],
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr_in6 {
         pub sin6_family: sa_family_t,
         pub sin6_port: ::in_port_t,
@@ -61,6 +65,7 @@ s! {
         pub ai_next: *mut addrinfo,
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr_ll {
         pub sll_family: ::c_ushort,
         pub sll_protocol: ::c_ushort,
@@ -125,6 +130,21 @@ s! {
     }
 }
 
+impl PartialEq for sockaddr_un {
+    fn eq(&self, other: &sockaddr_un) -> bool {
+        self.sun_family == other.sun_family && &self.sun_path[..] == &other.sun_path[..]
+    }
+}
+
+impl Eq for sockaddr_un { }
+
+impl Hash for sockaddr_un {
+    fn hash<H>(&self, state: &mut H) where H: Hasher {
+        self.sun_family.hash(state);
+        &self.sun_path[..].hash(state);
+    }
+}
+
 // intentionally not public, only used for fd_set
 #[cfg(target_pointer_width = "32")]
 const ULONG_SIZE: usize = 32;
diff --git a/src/unix/sunos/mod.rs b/src/unix/sunos/mod.rs
index 733709c7971c3..17efb96b716b3 100644
--- a/src/unix/sunos/mod.rs
+++ b/src/unix/sunos/mod.rs
@@ -1,3 +1,5 @@
+use dox::{Hash, Hasher};
+
 pub type c_char = i8;
 pub type c_long = i64;
 pub type c_ulong = u64;
@@ -34,11 +36,13 @@ pub type fflags_t = u32;
 pub enum timezone {}
 
 s! {
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr {
         pub sa_family: sa_family_t,
         pub sa_data: [::c_char; 14],
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr_in {
         pub sin_family: sa_family_t,
         pub sin_port: ::in_port_t,
@@ -46,6 +50,7 @@ s! {
         pub sin_zero: [::c_char; 8]
     }
 
+    #[derive(Eq, Hash, PartialEq)]
     pub struct sockaddr_in6 {
         pub sin6_family: sa_family_t,
         pub sin6_port: ::in_port_t,
@@ -273,6 +278,21 @@ s! {
     }
 }
 
+impl PartialEq for sockaddr_un {
+    fn eq(&self, other: &sockaddr_un) -> bool {
+        self.sun_family == other.sun_family && &self.sun_path[..] == &other.sun_path[..]
+    }
+}
+
+impl Eq for sockaddr_un { }
+
+impl Hash for sockaddr_un {
+    fn hash<H>(&self, state: &mut H) where H: Hasher {
+        self.sun_family.hash(state);
+        &self.sun_path[..].hash(state);
+    }
+}
+
 pub const SA_ONSTACK: ::c_int = 0x00000001;
 pub const SA_RESETHAND: ::c_int = 0x00000002;
 pub const SA_RESTART: ::c_int = 0x00000004;