diff --git a/src/unix/bsd/netbsdlike/netbsd/mod.rs b/src/unix/bsd/netbsdlike/netbsd/mod.rs
index 0472b5c8b0f19..c2545dbe7840c 100644
--- a/src/unix/bsd/netbsdlike/netbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/netbsd/mod.rs
@@ -733,6 +733,9 @@ pub const ONLRET: ::tcflag_t = 0x40;
 pub const CDTRCTS: ::tcflag_t = 0x00020000;
 pub const CHWFLOW: ::tcflag_t = ::MDMBUF | ::CRTSCTS | ::CDTRCTS;
 
+pub const SOCK_CLOEXEC: ::c_int = 0x10000000;
+pub const SOCK_NONBLOCK: ::c_int = 0x20000000;
+
 // dirfd() is a macro on netbsd to access
 // the first field of the struct where dirp points to:
 // http://cvsweb.netbsd.org/bsdweb.cgi/src/include/dirent.h?rev=1.36
diff --git a/src/unix/bsd/netbsdlike/openbsdlike/mod.rs b/src/unix/bsd/netbsdlike/openbsdlike/mod.rs
index d2b078171eee8..1c57e1a8e9945 100644
--- a/src/unix/bsd/netbsdlike/openbsdlike/mod.rs
+++ b/src/unix/bsd/netbsdlike/openbsdlike/mod.rs
@@ -579,6 +579,10 @@ pub const OLCUC: ::tcflag_t = 0x20;
 pub const ONOCR: ::tcflag_t = 0x40;
 pub const ONLRET: ::tcflag_t = 0x80;
 
+pub const SOCK_CLOEXEC: ::c_int = 0x8000;
+pub const SOCK_NONBLOCK: ::c_int = 0x4000;
+pub const SOCK_DNS: ::c_int = 0x1000;
+
 extern {
     pub fn dirfd(dirp: *mut ::DIR) -> ::c_int;
     pub fn getnameinfo(sa: *const ::sockaddr,
diff --git a/src/unix/notbsd/android/mod.rs b/src/unix/notbsd/android/mod.rs
index eb1c047f4cfe8..7fc614bff7553 100644
--- a/src/unix/notbsd/android/mod.rs
+++ b/src/unix/notbsd/android/mod.rs
@@ -833,6 +833,8 @@ pub const POLLWRBAND: ::c_short = 0x200;
 pub const SFD_CLOEXEC: ::c_int = O_CLOEXEC;
 pub const SFD_NONBLOCK: ::c_int = O_NONBLOCK;
 
+pub const SOCK_NONBLOCK: ::c_int = O_NONBLOCK;
+
 f! {
     pub fn CPU_ZERO(cpuset: &mut cpu_set_t) -> () {
         for slot in cpuset.__bits.iter_mut() {