diff --git a/libc-test/build.rs b/libc-test/build.rs
index 4ebba50..ab3bf8c 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -201,6 +201,9 @@
         cfg.header("sched.h");
         cfg.header("ufs/ufs/quota.h");
         cfg.header("sys/jail.h");
+        cfg.header("sys/ipc.h");
+        cfg.header("sys/msg.h");
+        cfg.header("sys/shm.h");
     }
 
     if netbsd {
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index aecf228..acf75b9 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -11,6 +11,10 @@
 pub type fsfilcnt_t = ::uint64_t;
 pub type idtype_t = ::c_uint;
 
+pub type key_t = ::c_long;
+pub type msglen_t = ::c_ulong;
+pub type msgqnum_t = ::c_ulong;
+
 s! {
     pub struct utmpx {
         pub ut_type: ::c_short,
@@ -88,6 +92,41 @@
     pub struct _sem {
         data: [u32; 4],
     }
+
+    pub struct ipc_perm {
+        pub cuid: ::uid_t,
+        pub cgid: ::gid_t,
+        pub uid: ::uid_t,
+        pub gid: ::gid_t,
+        pub mode: ::mode_t,
+        pub seq: ::c_ushort,
+        pub key: ::key_t,
+    }
+
+    pub struct msqid_ds {
+        pub msg_perm: ::ipc_perm,
+        __unused1: *mut ::c_void,
+        __unused2: *mut ::c_void,
+        pub msg_cbytes: ::msglen_t,
+        pub msg_qnum: ::msgqnum_t,
+        pub msg_qbytes: ::msglen_t,
+        pub msg_lspid: ::pid_t,
+        pub msg_lrpid: ::pid_t,
+        pub msg_stime: ::time_t,
+        pub msg_rtime: ::time_t,
+        pub msg_ctime: ::time_t,
+    }
+
+    pub struct shmid_ds {
+        pub shm_perm: ::ipc_perm,
+        pub shm_segsz: ::size_t,
+        pub shm_lpid: ::pid_t,
+        pub shm_cpid: ::pid_t,
+        pub shm_nattch: ::c_int,
+        pub shm_atime: ::time_t,
+        pub shm_dtime: ::time_t,
+        pub shm_ctime: ::time_t,
+    }
 }
 
 pub const SIGEV_THREAD_ID: ::c_int = 4;
@@ -384,6 +423,28 @@
 pub const NET_RT_IFMALIST: ::c_int = 4;
 pub const NET_RT_IFLISTL: ::c_int = 5;
 
+// System V IPC
+pub const IPC_PRIVATE: ::key_t = 0;
+pub const IPC_CREAT: ::c_int = 0o1000;
+pub const IPC_EXCL: ::c_int = 0o2000;
+pub const IPC_NOWAIT: ::c_int = 0o4000;
+pub const IPC_RMID: ::c_int = 0;
+pub const IPC_SET: ::c_int = 1;
+pub const IPC_STAT: ::c_int = 2;
+pub const IPC_INFO: ::c_int = 3;
+pub const IPC_R : ::c_int = 0o400;
+pub const IPC_W : ::c_int = 0o200;
+pub const IPC_M : ::c_int = 0o10000;
+pub const MSG_NOERROR: ::c_int = 0o10000;
+pub const SHM_RDONLY: ::c_int = 0o10000;
+pub const SHM_RND: ::c_int = 0o20000;
+pub const SHM_R: ::c_int = 0o400;
+pub const SHM_W: ::c_int = 0o200;
+pub const SHM_LOCK: ::c_int = 11;
+pub const SHM_UNLOCK: ::c_int = 12;
+pub const SHM_STAT: ::c_int = 13;
+pub const SHM_INFO: ::c_int = 14;
+
 // The *_MAXID constants never should've been used outside of the
 // FreeBSD base system.  And with the exception of CTL_P1003_1B_MAXID,
 // they were all removed in svn r262489.  They remain here for backwards
@@ -478,6 +539,21 @@
     pub fn freelocale(loc: ::locale_t) -> ::c_int;
     pub fn waitid(idtype: idtype_t, id: ::id_t, infop: *mut ::siginfo_t,
                   options: ::c_int) -> ::c_int;
+
+    pub fn ftok(pathname: *const ::c_char, proj_id: ::c_int) -> ::key_t;
+    pub fn shmget(key: ::key_t, size: ::size_t, shmflg: ::c_int) -> ::c_int;
+    pub fn shmat(shmid: ::c_int, shmaddr: *const ::c_void,
+        shmflg: ::c_int) -> *mut ::c_void;
+    pub fn shmdt(shmaddr: *const ::c_void) -> ::c_int;
+    pub fn shmctl(shmid: ::c_int, cmd: ::c_int,
+        buf: *mut ::shmid_ds) -> ::c_int;
+    pub fn msgctl(msqid: ::c_int, cmd: ::c_int,
+        buf: *mut ::msqid_ds) -> ::c_int;
+    pub fn msgget(key: ::key_t, msgflg: ::c_int) -> ::c_int;
+    pub fn msgrcv(msqid: ::c_int, msgp: *mut ::c_void, msgsz: ::size_t,
+        msgtyp: ::c_long, msgflg: ::c_int) -> ::c_int;
+    pub fn msgsnd(msqid: ::c_int, msgp: *const ::c_void, msgsz: ::size_t,
+        msgflg: ::c_int) -> ::c_int;
 }
 
 cfg_if! {