diff --git a/ci/android-install-sdk.sh b/ci/android-install-sdk.sh
index 0762dcb..d03b762 100644
--- a/ci/android-install-sdk.sh
+++ b/ci/android-install-sdk.sh
@@ -37,6 +37,10 @@
     abi=x86
     ;;
 
+  x86_64)
+    abi=x86_64
+    ;;
+
   *)
     echo "invalid arch: $1"
     exit 1
diff --git a/ci/docker/x86_64-linux-android/Dockerfile b/ci/docker/x86_64-linux-android/Dockerfile
new file mode 100644
index 0000000..bf4793e
--- /dev/null
+++ b/ci/docker/x86_64-linux-android/Dockerfile
@@ -0,0 +1,32 @@
+FROM ubuntu:16.04
+
+RUN dpkg --add-architecture i386 && \
+    apt-get update && \
+    apt-get install -y --no-install-recommends \
+  file \
+  curl \
+  ca-certificates \
+  python \
+  unzip \
+  expect \
+  openjdk-9-jre \
+  libstdc++6:i386 \
+  libpulse0 \
+  gcc \
+  libc6-dev
+
+WORKDIR /android/
+COPY android* /android/
+
+ENV ANDROID_ARCH=x86_64
+ENV PATH=$PATH:/android/ndk-$ANDROID_ARCH/bin:/android/sdk/tools:/android/sdk/platform-tools
+
+RUN sh /android/android-install-ndk.sh $ANDROID_ARCH
+RUN sh /android/android-install-sdk.sh $ANDROID_ARCH
+RUN mv /root/.android /tmp
+RUN chmod 777 -R /tmp/.android
+RUN chmod 755 /android/sdk/tools/* /android/sdk/tools/qemu/linux-x86_64/*
+
+ENV PATH=$PATH:/rust/bin \
+    CARGO_TARGET_X86_64_LINUX_ANDROID_LINKER=x86_64-linux-android-gcc \
+    HOME=/tmp
diff --git a/ci/run-docker.sh b/ci/run-docker.sh
index 1ac419a..e963078 100644
--- a/ci/run-docker.sh
+++ b/ci/run-docker.sh
@@ -8,10 +8,14 @@
     # use -f so we can use ci/ as build context
     docker build -t libc -f ci/docker/$1/Dockerfile ci/
     mkdir -p target
+    if [ -w /dev/kvm ]; then
+      kvm="--volume /dev/kvm:/dev/kvm"
+    fi
     docker run \
       --user `id -u`:`id -g` \
       --rm \
       --volume $HOME/.cargo:/cargo \
+      $kvm \
       --env CARGO_HOME=/cargo \
       --volume `rustc --print sysroot`:/rust:ro \
       --volume `pwd`:/checkout:ro \
@@ -19,8 +23,6 @@
       --env CARGO_TARGET_DIR=/checkout/target \
       --workdir /checkout \
       --privileged \
-      --interactive \
-      --tty \
       libc \
       ci/run.sh $1
 }
diff --git a/ci/run.sh b/ci/run.sh
index 1b6e0fb..4b8825f 100755
--- a/ci/run.sh
+++ b/ci/run.sh
@@ -105,13 +105,17 @@
 esac
 
 case "$TARGET" in
-  arm-linux-androideabi | aarch64-linux-android | i686-linux-android)
+  arm-linux-androideabi | aarch64-linux-android | i686-linux-android | x86_64-linux-android)
     # set SHELL so android can detect a 64bits system, see
     # http://stackoverflow.com/a/41789144
     # https://issues.jenkins-ci.org/browse/JENKINS-26930?focusedCommentId=230791&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-230791
     export SHELL=/bin/dash
     arch=$(echo $TARGET | cut -d- -f1)
-    emulator @$arch -no-window -no-accel &
+    accel="-no-accel"
+    if emulator -accel-check; then
+      accel=""
+    fi
+    emulator @$arch -no-window $accel &
     adb wait-for-device
     adb push $CARGO_TARGET_DIR/$TARGET/debug/libc-test /data/local/tmp/libc-test
     adb shell /data/local/tmp/libc-test 2>&1 | tee /tmp/out
diff --git a/libc-test/build.rs b/libc-test/build.rs
index 4ebba50..28ac5a5 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -106,8 +106,8 @@
     }
 
     if android {
-        if !aarch64 {
-            // time64_t is not define for aarch64
+        if !aarch64 && !x86_64 {
+            // time64_t is not define for aarch64 and x86_64
             // If included it will generate the error 'Your time_t is already 64-bit'
             cfg.header("time64.h");
         }
@@ -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/apple/b64.rs b/src/unix/bsd/apple/b64.rs
index 327a4b6..3f83230 100644
--- a/src/unix/bsd/apple/b64.rs
+++ b/src/unix/bsd/apple/b64.rs
@@ -17,3 +17,5 @@
 
 pub const TIOCTIMESTAMP: ::c_ulong = 0x40107459;
 pub const TIOCDCDTIMESTAMP: ::c_ulong = 0x40107458;
+
+pub const FIONREAD: ::c_ulong = 0x4004667f;
diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index 132b69d..6652bb8 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -665,6 +665,12 @@
 pub const F_PEOFPOSMODE: ::c_int = 3;
 pub const F_VOLPOSMODE: ::c_int = 4;
 
+pub const AT_FDCWD: ::c_int = -2;
+pub const AT_EACCESS: ::c_int = 0x0010;
+pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x0020;
+pub const AT_SYMLINK_FOLLOW: ::c_int = 0x0040;
+pub const AT_REMOVEDIR: ::c_int = 0x0080;
+
 pub const O_ACCMODE: ::c_int = 3;
 
 pub const TIOCMODG: ::c_ulong = 0x40047403;
@@ -1659,33 +1665,6 @@
     pub fn getpriority(which: ::c_int, who: ::id_t) -> ::c_int;
     pub fn setpriority(which: ::c_int, who: ::id_t, prio: ::c_int) -> ::c_int;
 
-    pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
-                  flags: ::c_int, ...) -> ::c_int;
-    pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
-                     mode: ::c_int, flags: ::c_int) -> ::c_int;
-    pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
-                    mode: ::mode_t, flags: ::c_int) -> ::c_int;
-    pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
-                    owner: ::uid_t, group: ::gid_t,
-                    flags: ::c_int) -> ::c_int;
-    #[cfg_attr(target_os = "macos", link_name = "fstatat$INODE64")]
-    pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
-                   buf: *mut stat, flags: ::c_int) -> ::c_int;
-    pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                  newdirfd: ::c_int, newpath: *const ::c_char,
-                  flags: ::c_int) -> ::c_int;
-   pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
-                  mode: ::mode_t) -> ::c_int;
-   pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                     buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
-   pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                   newdirfd: ::c_int, newpath: *const ::c_char)
-                   -> ::c_int;
-   pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
-                    linkpath: *const ::c_char) -> ::c_int;
-   pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                   flags: ::c_int) -> ::c_int;
-
     pub fn initgroups(user: *const ::c_char, basegroup: ::c_int) -> ::c_int;
 
     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index aecf228..fb113de 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;
@@ -368,6 +407,8 @@
 #[doc(hidden)]
 pub const AF_MAX: ::c_int = 42;
 
+pub const IPPROTO_DIVERT: ::c_int = 258;
+
 pub const PF_SLOW: ::c_int = AF_SLOW;
 pub const PF_SCLUSTER: ::c_int = AF_SCLUSTER;
 pub const PF_ARP: ::c_int = AF_ARP;
@@ -384,6 +425,28 @@
 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
@@ -442,6 +505,9 @@
 pub const P_PGID: idtype_t = 2;
 pub const P_ALL: idtype_t = 7;
 
+pub const B460800: ::speed_t = 460800;
+pub const B921600: ::speed_t = 921600;
+
 extern {
     pub fn __error() -> *mut ::c_int;
 
@@ -478,6 +544,21 @@
     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! {
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index 197ae56..5cfa3b1 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -452,6 +452,11 @@
 pub const F_GETFL: ::c_int = 3;
 pub const F_SETFL: ::c_int = 4;
 
+pub const AT_EACCESS: ::c_int = 0x100;
+pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x200;
+pub const AT_SYMLINK_FOLLOW: ::c_int = 0x400;
+pub const AT_REMOVEDIR: ::c_int = 0x800;
+
 pub const SIGTRAP: ::c_int = 5;
 
 pub const GLOB_APPEND  : ::c_int = 0x0001;
@@ -864,13 +869,13 @@
 pub const B76800: speed_t = 76800;
 pub const B115200: speed_t = 115200;
 pub const B230400: speed_t = 230400;
-pub const B460800: speed_t = 460800;
-pub const B921600: speed_t = 921600;
 pub const EXTA: speed_t = 19200;
 pub const EXTB: speed_t = 38400;
 
 pub const SEM_FAILED: *mut sem_t = 0 as *mut sem_t;
 
+pub const CRTSCTS: ::tcflag_t = 0x00030000;
+
 f! {
     pub fn WIFCONTINUED(status: ::c_int) -> bool {
         status == 0x13
@@ -1001,35 +1006,12 @@
     pub fn getpriority(which: ::c_int, who: ::c_int) -> ::c_int;
     pub fn setpriority(which: ::c_int, who: ::c_int, prio: ::c_int) -> ::c_int;
 
-    pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
-                  flags: ::c_int, ...) -> ::c_int;
-    pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
-                     mode: ::c_int, flags: ::c_int) -> ::c_int;
-    pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
-                    mode: ::mode_t, flags: ::c_int) -> ::c_int;
-    pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
-                    owner: ::uid_t, group: ::gid_t,
-                    flags: ::c_int) -> ::c_int;
-    pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
-                   buf: *mut stat, flags: ::c_int) -> ::c_int;
-    pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                  newdirfd: ::c_int, newpath: *const ::c_char,
-                  flags: ::c_int) -> ::c_int;
-   pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
-                  mode: ::mode_t) -> ::c_int;
-   pub fn mknodat(dirfd: ::c_int, pathname: *const ::c_char,
-                 mode: ::mode_t, dev: dev_t) -> ::c_int;
-   pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                     buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
-   pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                   newdirfd: ::c_int, newpath: *const ::c_char)
-                   -> ::c_int;
-   pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
-                    linkpath: *const ::c_char) -> ::c_int;
-   pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                   flags: ::c_int) -> ::c_int;
-   pub fn mkfifoat(dirfd: ::c_int, pathname: *const ::c_char,
-                   mode: ::mode_t) -> ::c_int;
+    pub fn fdopendir(fd: ::c_int) -> *mut ::DIR;
+
+    pub fn mknodat(dirfd: ::c_int, pathname: *const ::c_char,
+                  mode: ::mode_t, dev: dev_t) -> ::c_int;
+    pub fn mkfifoat(dirfd: ::c_int, pathname: *const ::c_char,
+                    mode: ::mode_t) -> ::c_int;
     pub fn pthread_condattr_getclock(attr: *const pthread_condattr_t,
                                      clock_id: *mut clockid_t) -> ::c_int;
     pub fn pthread_condattr_setclock(attr: *mut pthread_condattr_t,
diff --git a/src/unix/bsd/netbsdlike/mod.rs b/src/unix/bsd/netbsdlike/mod.rs
index d4f0ded..1471e6f 100644
--- a/src/unix/bsd/netbsdlike/mod.rs
+++ b/src/unix/bsd/netbsdlike/mod.rs
@@ -597,39 +597,16 @@
     pub fn getpriority(which: ::c_int, who: ::id_t) -> ::c_int;
     pub fn setpriority(which: ::c_int, who: ::id_t, prio: ::c_int) -> ::c_int;
 
-    pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
-                  flags: ::c_int, ...) -> ::c_int;
-    pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
-                     mode: ::c_int, flags: ::c_int) -> ::c_int;
-    pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
-                    mode: ::mode_t, flags: ::c_int) -> ::c_int;
-    pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
-                    owner: ::uid_t, group: ::gid_t,
-                    flags: ::c_int) -> ::c_int;
-    pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
-                   buf: *mut stat, flags: ::c_int) -> ::c_int;
-    pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                  newdirfd: ::c_int, newpath: *const ::c_char,
-                  flags: ::c_int) -> ::c_int;
-   pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
-                  mode: ::mode_t) -> ::c_int;
-   pub fn mknodat(dirfd: ::c_int, pathname: *const ::c_char,
-                 mode: ::mode_t, dev: dev_t) -> ::c_int;
-   pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                     buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
-   pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                   newdirfd: ::c_int, newpath: *const ::c_char)
-                   -> ::c_int;
-   pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
-                    linkpath: *const ::c_char) -> ::c_int;
-   pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                   flags: ::c_int) -> ::c_int;
-   pub fn mkfifoat(dirfd: ::c_int, pathname: *const ::c_char,
-                   mode: ::mode_t) -> ::c_int;
-   pub fn sem_timedwait(sem: *mut sem_t,
-                        abstime: *const ::timespec) -> ::c_int;
-   pub fn pthread_condattr_setclock(attr: *mut pthread_condattr_t,
-                                    clock_id: clockid_t) -> ::c_int;
+    pub fn fdopendir(fd: ::c_int) -> *mut ::DIR;
+
+    pub fn mknodat(dirfd: ::c_int, pathname: *const ::c_char,
+                   mode: ::mode_t, dev: dev_t) -> ::c_int;
+    pub fn mkfifoat(dirfd: ::c_int, pathname: *const ::c_char,
+                    mode: ::mode_t) -> ::c_int;
+    pub fn sem_timedwait(sem: *mut sem_t,
+                         abstime: *const ::timespec) -> ::c_int;
+    pub fn pthread_condattr_setclock(attr: *mut pthread_condattr_t,
+                                     clock_id: clockid_t) -> ::c_int;
     pub fn sethostname(name: *const ::c_char, len: ::size_t) -> ::c_int;
     pub fn pthread_mutex_timedlock(lock: *mut pthread_mutex_t,
                                    abstime: *const ::timespec) -> ::c_int;
diff --git a/src/unix/bsd/netbsdlike/netbsd/mod.rs b/src/unix/bsd/netbsdlike/netbsd/mod.rs
index a329cdf..ffe8d75 100644
--- a/src/unix/bsd/netbsdlike/netbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/netbsd/mod.rs
@@ -246,6 +246,12 @@
     }
 }
 
+pub const AT_FDCWD: ::c_int = -100;
+pub const AT_EACCESS: ::c_int = 0x100;
+pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x200;
+pub const AT_SYMLINK_FOLLOW: ::c_int = 0x400;
+pub const AT_REMOVEDIR: ::c_int = 0x800;
+
 pub const LC_COLLATE_MASK: ::c_int = (1 << ::LC_COLLATE);
 pub const LC_CTYPE_MASK: ::c_int = (1 << ::LC_CTYPE);
 pub const LC_MONETARY_MASK: ::c_int = (1 << ::LC_MONETARY);
@@ -635,6 +641,9 @@
 pub const P_PID: idtype_t = 1;
 pub const P_PGID: idtype_t = 4;
 
+pub const B460800: ::speed_t = 460800;
+pub const B921600: ::speed_t = 921600;
+
 extern {
     pub fn aio_read(aiocbp: *mut aiocb) -> ::c_int;
     pub fn aio_write(aiocbp: *mut aiocb) -> ::c_int;
diff --git a/src/unix/bsd/netbsdlike/openbsdlike/mod.rs b/src/unix/bsd/netbsdlike/openbsdlike/mod.rs
index 0e53ccd..b0d8128 100644
--- a/src/unix/bsd/netbsdlike/openbsdlike/mod.rs
+++ b/src/unix/bsd/netbsdlike/openbsdlike/mod.rs
@@ -157,6 +157,12 @@
 
 pub const F_DUPFD_CLOEXEC : ::c_int = 10;
 
+pub const AT_FDCWD: ::c_int = -100;
+pub const AT_EACCESS: ::c_int = 0x01;
+pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x02;
+pub const AT_SYMLINK_FOLLOW: ::c_int = 0x04;
+pub const AT_REMOVEDIR: ::c_int = 0x08;
+
 pub const RLIM_NLIMITS: ::c_int = 9;
 
 pub const SO_SNDTIMEO: ::c_int = 0x1005;
diff --git a/src/unix/haiku/mod.rs b/src/unix/haiku/mod.rs
index c4b4467..829c225 100644
--- a/src/unix/haiku/mod.rs
+++ b/src/unix/haiku/mod.rs
@@ -761,6 +761,7 @@
     pub fn waitid(idtype: idtype_t, id: id_t, infop: *mut ::siginfo_t,
                   options: ::c_int) -> ::c_int;
 
+    pub fn fdopendir(fd: ::c_int) -> *mut ::DIR;
     pub fn glob(pattern: *const ::c_char,
                 flags: ::c_int,
                 errfunc: Option<extern fn(epath: *const ::c_char,
diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index 9b39050..74ed97d 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -242,6 +242,7 @@
         #[link(name = "c")]
         #[link(name = "m")]
         #[link(name = "rt")]
+        #[link(name = "pthread")]
         extern {}
     }
 }
@@ -363,6 +364,36 @@
                link_name = "rewinddir$INODE64$UNIX2003")]
     pub fn rewinddir(dirp: *mut ::DIR);
 
+    pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
+                  flags: ::c_int, ...) -> ::c_int;
+    pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
+                     mode: ::c_int, flags: ::c_int) -> ::c_int;
+    pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
+                    mode: ::mode_t, flags: ::c_int) -> ::c_int;
+    pub fn fchown(fd: ::c_int,
+                  owner: ::uid_t,
+                  group: ::gid_t) -> ::c_int;
+    pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
+                    owner: ::uid_t, group: ::gid_t,
+                    flags: ::c_int) -> ::c_int;
+    #[cfg_attr(target_os = "macos", link_name = "fstatat$INODE64")]
+    pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
+                   buf: *mut stat, flags: ::c_int) -> ::c_int;
+    pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
+                  newdirfd: ::c_int, newpath: *const ::c_char,
+                  flags: ::c_int) -> ::c_int;
+    pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
+                   mode: ::mode_t) -> ::c_int;
+    pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
+                      buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
+    pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
+                    newdirfd: ::c_int, newpath: *const ::c_char)
+                    -> ::c_int;
+    pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
+                     linkpath: *const ::c_char) -> ::c_int;
+    pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
+                    flags: ::c_int) -> ::c_int;
+
     pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
     pub fn alarm(seconds: ::c_uint) -> ::c_uint;
     pub fn chdir(dir: *const c_char) -> ::c_int;
@@ -545,6 +576,9 @@
                link_name = "pthread_join$UNIX2003")]
     pub fn pthread_join(native: ::pthread_t,
                         value: *mut *mut ::c_void) -> ::c_int;
+    pub fn pthread_atfork(prepare: Option<unsafe extern fn()>,
+                          parent: Option<unsafe extern fn()>,
+                          child: Option<unsafe extern fn()>) -> ::c_int;
     pub fn pthread_exit(value: *mut ::c_void);
     pub fn pthread_attr_init(attr: *mut ::pthread_attr_t) -> ::c_int;
     pub fn pthread_attr_destroy(attr: *mut ::pthread_attr_t) -> ::c_int;
diff --git a/src/unix/notbsd/android/b32/mod.rs b/src/unix/notbsd/android/b32/mod.rs
index 9efcd61..32f88e4 100644
--- a/src/unix/notbsd/android/b32/mod.rs
+++ b/src/unix/notbsd/android/b32/mod.rs
@@ -1,3 +1,6 @@
+// The following definitions are correct for arm and i686,
+// but may be wrong for mips
+
 pub type c_long = i32;
 pub type c_ulong = u32;
 pub type mode_t = u16;
diff --git a/src/unix/notbsd/android/b64/aarch64.rs b/src/unix/notbsd/android/b64/aarch64.rs
new file mode 100644
index 0000000..89c505d
--- /dev/null
+++ b/src/unix/notbsd/android/b64/aarch64.rs
@@ -0,0 +1,56 @@
+pub type c_char = u8;
+pub type wchar_t = u32;
+
+s! {
+    pub struct stat {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_mode: ::c_uint,
+        pub st_nlink: ::c_uint,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        pub st_rdev: ::dev_t,
+        __pad1: ::c_ulong,
+        pub st_size: ::off64_t,
+        pub st_blksize: ::c_int,
+        __pad2: ::c_int,
+        pub st_blocks: ::c_long,
+        pub st_atime: ::time_t,
+        pub st_atime_nsec: ::c_ulong,
+        pub st_mtime: ::time_t,
+        pub st_mtime_nsec: ::c_ulong,
+        pub st_ctime: ::time_t,
+        pub st_ctime_nsec: ::c_ulong,
+        __unused4: ::c_uint,
+        __unused5: ::c_uint,
+    }
+
+    pub struct stat64 {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_mode: ::c_uint,
+        pub st_nlink: ::c_uint,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        pub st_rdev: ::dev_t,
+        __pad1: ::c_ulong,
+        pub st_size: ::off64_t,
+        pub st_blksize: ::c_int,
+        __pad2: ::c_int,
+        pub st_blocks: ::c_long,
+        pub st_atime: ::time_t,
+        pub st_atime_nsec: ::c_ulong,
+        pub st_mtime: ::time_t,
+        pub st_mtime_nsec: ::c_ulong,
+        pub st_ctime: ::time_t,
+        pub st_ctime_nsec: ::c_ulong,
+        __unused4: ::c_uint,
+        __unused5: ::c_uint,
+    }
+}
+
+pub const O_DIRECT: ::c_int = 0x10000;
+pub const O_DIRECTORY: ::c_int = 0x4000;
+pub const O_NOFOLLOW: ::c_int = 0x8000;
+
+pub const SYS_gettid: ::c_long = 178;
diff --git a/src/unix/notbsd/android/b64/mod.rs b/src/unix/notbsd/android/b64/mod.rs
index 31a05d6..57982a2 100644
--- a/src/unix/notbsd/android/b64/mod.rs
+++ b/src/unix/notbsd/android/b64/mod.rs
@@ -1,12 +1,11 @@
-// The following definitions are correct for aarch64 and may be wrong for x86_64
+// The following definitions are correct for aarch64 and x86_64,
+// but may be wrong for mips64
 
-pub type c_char = u8;
 pub type c_long = i64;
 pub type c_ulong = u64;
 pub type mode_t = u32;
 pub type off64_t = i64;
 pub type socklen_t = u32;
-pub type wchar_t = u32;
 
 s! {
     pub struct sigset_t {
@@ -25,52 +24,6 @@
         pub rlim_max: ::c_ulonglong,
     }
 
-    pub struct stat {
-        pub st_dev: ::dev_t,
-        pub st_ino: ::ino_t,
-        pub st_mode: ::c_uint,
-        pub st_nlink: ::c_uint,
-        pub st_uid: ::uid_t,
-        pub st_gid: ::gid_t,
-        pub st_rdev: ::dev_t,
-        __pad1: ::c_ulong,
-        pub st_size: ::off64_t,
-        pub st_blksize: ::c_int,
-        __pad2: ::c_int,
-        pub st_blocks: ::c_long,
-        pub st_atime: ::time_t,
-        pub st_atime_nsec: ::c_ulong,
-        pub st_mtime: ::time_t,
-        pub st_mtime_nsec: ::c_ulong,
-        pub st_ctime: ::time_t,
-        pub st_ctime_nsec: ::c_ulong,
-        __unused4: ::c_uint,
-        __unused5: ::c_uint,
-    }
-
-    pub struct stat64 {
-        pub st_dev: ::dev_t,
-        pub st_ino: ::ino_t,
-        pub st_mode: ::c_uint,
-        pub st_nlink: ::c_uint,
-        pub st_uid: ::uid_t,
-        pub st_gid: ::gid_t,
-        pub st_rdev: ::dev_t,
-        __pad1: ::c_ulong,
-        pub st_size: ::off64_t,
-        pub st_blksize: ::c_int,
-        __pad2: ::c_int,
-        pub st_blocks: ::c_long,
-        pub st_atime: ::time_t,
-        pub st_atime_nsec: ::c_ulong,
-        pub st_mtime: ::time_t,
-        pub st_mtime_nsec: ::c_ulong,
-        pub st_ctime: ::time_t,
-        pub st_ctime_nsec: ::c_ulong,
-        __unused4: ::c_uint,
-        __unused5: ::c_uint,
-    }
-
     pub struct pthread_attr_t {
         pub flags: ::uint32_t,
         pub stack_base: *mut ::c_void,
@@ -143,15 +96,10 @@
     }
 }
 
-pub const O_DIRECT: ::c_int = 0x10000;
-pub const O_DIRECTORY: ::c_int = 0x4000;
-pub const O_NOFOLLOW: ::c_int = 0x8000;
-
 pub const RTLD_GLOBAL: ::c_int = 0x00100;
 pub const RTLD_NOW: ::c_int = 2;
 pub const RTLD_DEFAULT: *mut ::c_void = 0i64 as *mut ::c_void;
 
-pub const SYS_gettid: ::c_long = 178;
 pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t = pthread_mutex_t {
     value: 0,
     __reserved: [0; 36],
@@ -200,3 +148,15 @@
     // the return type should be ::ssize_t, but it is c_int!
     pub fn recvmsg(fd: ::c_int, msg: *mut ::msghdr, flags: ::c_int) -> ::c_int;
 }
+
+cfg_if! {
+    if #[cfg(target_arch = "x86_64")] {
+        mod x86_64;
+        pub use self::x86_64::*;
+    } else if #[cfg(target_arch = "aarch64")] {
+        mod aarch64;
+        pub use self::aarch64::*;
+    } else {
+        // Unknown target_arch
+    }
+}
diff --git a/src/unix/notbsd/android/b64/x86_64.rs b/src/unix/notbsd/android/b64/x86_64.rs
new file mode 100644
index 0000000..58d07e1
--- /dev/null
+++ b/src/unix/notbsd/android/b64/x86_64.rs
@@ -0,0 +1,50 @@
+pub type c_char = i8;
+pub type wchar_t = i32;
+
+s! {
+    pub struct stat {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_nlink: ::c_ulong,
+        pub st_mode: ::c_uint,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        pub st_rdev: ::dev_t,
+        pub st_size: ::off64_t,
+        pub st_blksize: ::c_long,
+        pub st_blocks: ::c_long,
+        pub st_atime: ::c_ulong,
+        pub st_atime_nsec: ::c_ulong,
+        pub st_mtime: ::c_ulong,
+        pub st_mtime_nsec: ::c_ulong,
+        pub st_ctime: ::c_ulong,
+        pub st_ctime_nsec: ::c_ulong,
+        __unused: [::c_long; 3],
+    }
+
+    pub struct stat64 {
+        pub st_dev: ::dev_t,
+        pub st_ino: ::ino_t,
+        pub st_nlink: ::c_ulong,
+        pub st_mode: ::c_uint,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        pub st_rdev: ::dev_t,
+        pub st_size: ::off64_t,
+        pub st_blksize: ::c_long,
+        pub st_blocks: ::c_long,
+        pub st_atime: ::c_ulong,
+        pub st_atime_nsec: ::c_ulong,
+        pub st_mtime: ::c_ulong,
+        pub st_mtime_nsec: ::c_ulong,
+        pub st_ctime: ::c_ulong,
+        pub st_ctime_nsec: ::c_ulong,
+        __unused: [::c_long; 3],
+    }
+}
+
+pub const O_DIRECT: ::c_int = 0x4000;
+pub const O_DIRECTORY: ::c_int = 0x10000;
+pub const O_NOFOLLOW: ::c_int = 0x20000;
+
+pub const SYS_gettid: ::c_long = 186;
diff --git a/src/unix/notbsd/android/mod.rs b/src/unix/notbsd/android/mod.rs
index cd20cb1..032272b 100644
--- a/src/unix/notbsd/android/mod.rs
+++ b/src/unix/notbsd/android/mod.rs
@@ -464,7 +464,6 @@
 pub const TCSANOW: ::c_int = 0;
 pub const TCSADRAIN: ::c_int = 0x1;
 pub const TCSAFLUSH: ::c_int = 0x2;
-pub const IUTF8: ::tcflag_t = 0x00004000;
 pub const VEOF: usize = 4;
 pub const VEOL: usize = 11;
 pub const VEOL2: usize = 16;
diff --git a/src/unix/notbsd/linux/mips/mod.rs b/src/unix/notbsd/linux/mips/mod.rs
index db580c9..1361b25 100644
--- a/src/unix/notbsd/linux/mips/mod.rs
+++ b/src/unix/notbsd/linux/mips/mod.rs
@@ -322,7 +322,7 @@
 pub const IEXTEN: ::tcflag_t = 0x00000100;
 pub const TOSTOP: ::tcflag_t = 0x00008000;
 pub const FLUSHO: ::tcflag_t = 0x00002000;
-pub const IUTF8: ::tcflag_t = 0x00004000;
+pub const EXTPROC: ::tcflag_t = 0o200000;
 pub const TCSANOW: ::c_int = 0x540e;
 pub const TCSADRAIN: ::c_int = 0x540f;
 pub const TCSAFLUSH: ::c_int = 0x5410;
diff --git a/src/unix/notbsd/linux/musl/mod.rs b/src/unix/notbsd/linux/musl/mod.rs
index 2bf13f9..26cc4b9 100644
--- a/src/unix/notbsd/linux/musl/mod.rs
+++ b/src/unix/notbsd/linux/musl/mod.rs
@@ -124,6 +124,9 @@
 pub const BUFSIZ: ::c_uint = 1024;
 pub const TMP_MAX: ::c_uint = 10000;
 pub const FOPEN_MAX: ::c_uint = 1000;
+pub const O_PATH: ::c_int = 0o10000000;
+pub const O_EXEC: ::c_int = 0o10000000;
+pub const O_SEARCH: ::c_int = 0o10000000;
 pub const O_ACCMODE: ::c_int = 0o10000003;
 pub const O_NDELAY: ::c_int = O_NONBLOCK;
 pub const NI_MAXHOST: ::socklen_t = 255;
diff --git a/src/unix/notbsd/linux/other/mod.rs b/src/unix/notbsd/linux/other/mod.rs
index ad5cc69..13a5c68 100644
--- a/src/unix/notbsd/linux/other/mod.rs
+++ b/src/unix/notbsd/linux/other/mod.rs
@@ -314,7 +314,6 @@
 pub const USBDEVICE_SUPER_MAGIC: ::c_long = 0x00009fa2;
 
 pub const VEOF: usize = 4;
-pub const IUTF8: ::tcflag_t = 0x00004000;
 
 pub const CPU_SETSIZE: ::c_int = 0x400;
 
diff --git a/src/unix/notbsd/linux/s390x.rs b/src/unix/notbsd/linux/s390x.rs
index b646647..89b292d 100644
--- a/src/unix/notbsd/linux/s390x.rs
+++ b/src/unix/notbsd/linux/s390x.rs
@@ -576,7 +576,6 @@
 pub const IEXTEN: ::tcflag_t = 0x00008000;
 pub const TOSTOP: ::tcflag_t = 0x00000100;
 pub const FLUSHO: ::tcflag_t = 0x00001000;
-pub const IUTF8: ::tcflag_t = 0x00004000;
 
 pub const CPU_SETSIZE: ::c_int = 0x400;
 
diff --git a/src/unix/notbsd/mod.rs b/src/unix/notbsd/mod.rs
index da6b928..b20d043 100644
--- a/src/unix/notbsd/mod.rs
+++ b/src/unix/notbsd/mod.rs
@@ -675,6 +675,7 @@
 pub const ICRNL: ::tcflag_t = 0x00000100;
 pub const IXANY: ::tcflag_t = 0x00000800;
 pub const IMAXBEL: ::tcflag_t = 0x00002000;
+pub const IUTF8: ::tcflag_t = 0x00004000;
 pub const OPOST: ::tcflag_t = 0x1;
 pub const CS5: ::tcflag_t = 0x00000000;
 pub const CRTSCTS: ::tcflag_t = 0x80000000;
@@ -728,6 +729,10 @@
 
 pub const AT_FDCWD: ::c_int = -100;
 pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x100;
+pub const AT_REMOVEDIR: ::c_int = 0x200;
+pub const AT_SYMLINK_FOLLOW: ::c_int = 0x400;
+pub const AT_NO_AUTOMOUNT: ::c_int = 0x800;
+pub const AT_EMPTY_PATH: ::c_int = 0x1000;
 
 pub const LOG_CRON: ::c_int = 9 << 3;
 pub const LOG_AUTHPRIV: ::c_int = 10 << 3;
@@ -746,6 +751,9 @@
 pub const P_PID: idtype_t = 1;
 pub const P_PGID: idtype_t = 2;
 
+pub const UTIME_OMIT: c_long = 1073741822;
+pub const UTIME_NOW: c_long = 1073741823;
+
 f! {
     pub fn FD_CLR(fd: ::c_int, set: *mut fd_set) -> () {
         let fd = fd as usize;
@@ -917,44 +925,26 @@
                   offset: off64_t)
                   -> *mut ::c_void;
     pub fn open64(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
+    pub fn openat64(fd: ::c_int,
+                    path: *const c_char,
+                    oflag: ::c_int, ...) -> ::c_int;
     pub fn pread64(fd: ::c_int, buf: *mut ::c_void, count: ::size_t,
                    offset: off64_t) -> ::ssize_t;
     pub fn pwrite64(fd: ::c_int, buf: *const ::c_void, count: ::size_t,
                     offset: off64_t) -> ::ssize_t;
+    pub fn readdir64(dirp: *mut ::DIR) -> *mut ::dirent64;
     pub fn readdir64_r(dirp: *mut ::DIR, entry: *mut ::dirent64,
                        result: *mut *mut ::dirent64) -> ::c_int;
     pub fn setrlimit64(resource: ::c_int, rlim: *const rlimit64) -> ::c_int;
     pub fn stat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
+    pub fn truncate64(path: *const c_char, length: off64_t) -> ::c_int;
     pub fn eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int;
     pub fn sysinfo (info: *mut ::sysinfo) -> ::c_int;
 
-    pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
-                  flags: ::c_int, ...) -> ::c_int;
-    pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
-                     mode: ::c_int, flags: ::c_int) -> ::c_int;
-    pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
-                    mode: ::mode_t, flags: ::c_int) -> ::c_int;
-    pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
-                    owner: ::uid_t, group: ::gid_t,
-                    flags: ::c_int) -> ::c_int;
-    pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
-                   buf: *mut stat, flags: ::c_int) -> ::c_int;
-    pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                  newdirfd: ::c_int, newpath: *const ::c_char,
-                  flags: ::c_int) -> ::c_int;
-    pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
-                   mode: ::mode_t) -> ::c_int;
+    pub fn fdopendir(fd: ::c_int) -> *mut ::DIR;
+
     pub fn mknodat(dirfd: ::c_int, pathname: *const ::c_char,
                    mode: ::mode_t, dev: dev_t) -> ::c_int;
-    pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                      buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
-    pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                    newdirfd: ::c_int, newpath: *const ::c_char)
-                    -> ::c_int;
-    pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
-                     linkpath: *const ::c_char) -> ::c_int;
-    pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                    flags: ::c_int) -> ::c_int;
     pub fn ppoll(fds: *mut ::pollfd,
                  nfds: nfds_t,
                  timeout: *const ::timespec,
diff --git a/src/unix/solaris/mod.rs b/src/unix/solaris/mod.rs
index 55ac0a2..757d581 100644
--- a/src/unix/solaris/mod.rs
+++ b/src/unix/solaris/mod.rs
@@ -3,36 +3,36 @@
 pub type c_char = i8;
 pub type c_long = i64;
 pub type c_ulong = u64;
-pub type clockid_t = ::c_int;
 
-pub type blkcnt_t = i64;
-pub type clock_t = i64;
-pub type daddr_t = i64;
-pub type dev_t = u64;
-pub type fsblkcnt_t = u64;
-pub type fsfilcnt_t = u64;
-pub type ino_t = i64;
-pub type key_t = i32;
-pub type major_t = u32;
-pub type minor_t = u32;
-pub type mode_t = u32;
-pub type nlink_t = u32;
-pub type rlim_t = u64;
-pub type speed_t = u32;
-pub type tcflag_t = u32;
-pub type time_t = i64;
-pub type wchar_t = i32;
+pub type clockid_t = ::c_int;
+pub type blkcnt_t = ::c_long;
+pub type clock_t = ::c_long;
+pub type daddr_t = ::c_long;
+pub type dev_t = ::c_ulong;
+pub type fsblkcnt_t = ::c_ulong;
+pub type fsfilcnt_t = ::c_ulong;
+pub type ino_t = ::c_ulong;
+pub type key_t = ::c_int;
+pub type major_t = ::c_uint;
+pub type minor_t = ::c_uint;
+pub type mode_t = ::c_uint;
+pub type nlink_t = ::c_uint;
+pub type rlim_t = ::c_ulong;
+pub type speed_t = ::c_uint;
+pub type tcflag_t = ::c_uint;
+pub type time_t = ::c_long;
+pub type wchar_t = ::c_int;
 pub type nfds_t = ::c_ulong;
 
 pub type suseconds_t = ::c_long;
-pub type off_t = i64;
+pub type off_t = ::c_long;
 pub type useconds_t = ::c_uint;
-pub type socklen_t = u32;
-pub type sa_family_t = u8;
+pub type socklen_t = ::c_uint;
+pub type sa_family_t = u16;
 pub type pthread_t = ::c_uint;
 pub type pthread_key_t = ::c_uint;
-pub type blksize_t = u32;
-pub type fflags_t = u32;
+pub type blksize_t = ::c_int;
+pub type fflags_t = ::c_int;
 pub type nl_item = ::c_int;
 pub type id_t = ::c_int;
 pub type idtype_t = ::c_uint;
@@ -340,6 +340,14 @@
         pub if_index: ::c_uint,
         pub if_name: *mut ::c_char,
     }
+
+    pub struct port_event {
+        pub portev_events: ::c_int,
+        pub portev_source: ::c_ushort,
+        pub portev_pad: ::c_ushort,
+        pub portev_object: ::uintptr_t,
+        pub portev_user: ::uintptr_t,
+    }
 }
 
 pub const LC_CTYPE: ::c_int = 0;
@@ -441,7 +449,13 @@
 pub const SS_ONSTACK: ::c_int = 1;
 pub const SS_DISABLE: ::c_int = 2;
 
+pub const FIOCLEX: ::c_int = 0x20006601;
+pub const FIONCLEX: ::c_int = 0x20006602;
+pub const FIONREAD: ::c_int = 0x4004667f;
 pub const FIONBIO: ::c_int = 0x8004667e;
+pub const FIOASYNC: ::c_int = 0x8004667d;
+pub const FIOSETOWN: ::c_int = 0x8004667c;
+pub const FIOGETOWN: ::c_int = 0x4004667b;
 
 pub const SIGCHLD: ::c_int = 18;
 pub const SIGBUS: ::c_int = 10;
@@ -485,6 +499,8 @@
 pub const O_RDONLY: ::c_int = 0;
 pub const O_WRONLY: ::c_int = 1;
 pub const O_RDWR: ::c_int = 2;
+pub const O_SEARCH: ::c_int = 0x200000;
+pub const O_EXEC: ::c_int = 0x400000;
 pub const O_APPEND: ::c_int = 8;
 pub const O_CREAT: ::c_int = 256;
 pub const O_EXCL: ::c_int = 1024;
@@ -609,7 +625,7 @@
 pub const ENOEXEC: ::c_int = 8;
 pub const EBADF: ::c_int = 9;
 pub const ECHILD: ::c_int = 10;
-pub const EDEADLK: ::c_int = 45;
+pub const EAGAIN: ::c_int = 11;
 pub const ENOMEM: ::c_int = 12;
 pub const EACCES: ::c_int = 13;
 pub const EFAULT: ::c_int = 14;
@@ -633,11 +649,65 @@
 pub const EPIPE: ::c_int = 32;
 pub const EDOM: ::c_int = 33;
 pub const ERANGE: ::c_int = 34;
+pub const ENOMSG: ::c_int = 35;
+pub const EIDRM: ::c_int = 36;
+pub const ECHRNG: ::c_int = 37;
+pub const EL2NSYNC: ::c_int = 38;
+pub const EL3HLT: ::c_int = 39;
+pub const EL3RST: ::c_int = 40;
+pub const ELNRNG: ::c_int = 41;
+pub const EUNATCH: ::c_int = 42;
+pub const ENOCSI: ::c_int = 43;
+pub const EL2HLT: ::c_int = 44;
+pub const EDEADLK: ::c_int = 45;
+pub const ENOLCK: ::c_int = 46;
+pub const ECANCELED: ::c_int = 47;
 pub const ENOTSUP: ::c_int = 48;
-pub const EAGAIN: ::c_int = 11;
-pub const EWOULDBLOCK: ::c_int = 11;
-pub const EINPROGRESS: ::c_int = 150;
-pub const EALREADY: ::c_int = 149;
+pub const EDQUOT: ::c_int = 49;
+pub const EBADE: ::c_int = 50;
+pub const EBADR: ::c_int = 51;
+pub const EXFULL: ::c_int = 52;
+pub const ENOANO: ::c_int = 53;
+pub const EBADRQC: ::c_int = 54;
+pub const EBADSLT: ::c_int = 55;
+pub const EDEADLOCK: ::c_int = 56;
+pub const EBFONT: ::c_int = 57;
+pub const EOWNERDEAD: ::c_int = 58;
+pub const ENOTRECOVERABLE: ::c_int = 59;
+pub const ENOSTR: ::c_int = 60;
+pub const ENODATA: ::c_int = 61;
+pub const ETIME: ::c_int = 62;
+pub const ENOSR: ::c_int = 63;
+pub const ENONET: ::c_int = 64;
+pub const ENOPKG: ::c_int = 65;
+pub const EREMOTE: ::c_int = 66;
+pub const ENOLINK: ::c_int = 67;
+pub const EADV: ::c_int = 68;
+pub const ESRMNT: ::c_int = 69;
+pub const ECOMM: ::c_int = 70;
+pub const EPROTO: ::c_int = 71;
+pub const ELOCKUNMAPPED: ::c_int = 72;
+pub const ENOTACTIVE: ::c_int = 73;
+pub const EMULTIHOP: ::c_int = 74;
+pub const EADI: ::c_int = 75;
+pub const EBADMSG: ::c_int = 77;
+pub const ENAMETOOLONG: ::c_int = 78;
+pub const EOVERFLOW: ::c_int = 79;
+pub const ENOTUNIQ: ::c_int = 80;
+pub const EBADFD: ::c_int = 81;
+pub const EREMCHG: ::c_int = 82;
+pub const ELIBACC: ::c_int = 83;
+pub const ELIBBAD: ::c_int = 84;
+pub const ELIBSCN: ::c_int = 85;
+pub const ELIBMAX: ::c_int = 86;
+pub const ELIBEXEC: ::c_int = 87;
+pub const EILSEQ: ::c_int = 88;
+pub const ENOSYS: ::c_int = 89;
+pub const ELOOP: ::c_int = 90;
+pub const ERESTART: ::c_int = 91;
+pub const ESTRPIPE: ::c_int = 92;
+pub const ENOTEMPTY: ::c_int = 93;
+pub const EUSERS: ::c_int = 94;
 pub const ENOTSOCK: ::c_int = 95;
 pub const EDESTADDRREQ: ::c_int = 96;
 pub const EMSGSIZE: ::c_int = 97;
@@ -662,26 +732,11 @@
 pub const ETOOMANYREFS: ::c_int = 144;
 pub const ETIMEDOUT: ::c_int = 145;
 pub const ECONNREFUSED: ::c_int = 146;
-pub const ELOOP: ::c_int = 90;
-pub const ENAMETOOLONG: ::c_int = 78;
 pub const EHOSTDOWN: ::c_int = 147;
 pub const EHOSTUNREACH: ::c_int = 148;
-pub const ENOTEMPTY: ::c_int = 93;
-pub const EUSERS: ::c_int = 94;
-pub const EDQUOT: ::c_int = 49;
-pub const ESTALE: ::c_int = 151;
-pub const EREMOTE: ::c_int = 66;
-pub const ENOLCK: ::c_int = 46;
-pub const ENOSYS: ::c_int = 89;
-pub const EIDRM: ::c_int = 36;
-pub const ENOMSG: ::c_int = 35;
-pub const EOVERFLOW: ::c_int = 79;
-pub const ECANCELED: ::c_int = 47;
-pub const EILSEQ: ::c_int = 88;
-pub const EBADMSG: ::c_int = 77;
-pub const EMULTIHOP: ::c_int = 74;
-pub const ENOLINK: ::c_int = 67;
-pub const EPROTO: ::c_int = 71;
+pub const EWOULDBLOCK: ::c_int = EAGAIN;
+pub const EALREADY: ::c_int = 149;
+pub const EINPROGRESS: ::c_int = 150;
 
 pub const EAI_SYSTEM: ::c_int = 11;
 
@@ -957,6 +1012,16 @@
 pub const RTLD_FIRST: ::c_int = 0x2000;
 pub const RTLD_CONFGEN: ::c_int = 0x10000;
 
+pub const PORT_SOURCE_AIO: ::c_int = 1;
+pub const PORT_SOURCE_TIMER: ::c_int = 2;
+pub const PORT_SOURCE_USER: ::c_int = 3;
+pub const PORT_SOURCE_FD: ::c_int = 4;
+pub const PORT_SOURCE_ALERT: ::c_int = 5;
+pub const PORT_SOURCE_MQ: ::c_int = 6;
+pub const PORT_SOURCE_FILE: ::c_int = 7;
+pub const PORT_SOURCE_POSTWAIT: ::c_int = 8;
+pub const PORT_SOURCE_SIGNAL: ::c_int = 9;
+
 f! {
     pub fn FD_CLR(fd: ::c_int, set: *mut fd_set) -> () {
         let bits = mem::size_of_val(&(*set).fds_bits[0]) * 8;
@@ -1052,33 +1117,10 @@
     pub fn getpriority(which: ::c_int, who: ::c_int) -> ::c_int;
     pub fn setpriority(which: ::c_int, who: ::c_int, prio: ::c_int) -> ::c_int;
 
-    pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
-                  flags: ::c_int, ...) -> ::c_int;
-    pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
-                     mode: ::c_int, flags: ::c_int) -> ::c_int;
-    pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
-                    mode: ::mode_t, flags: ::c_int) -> ::c_int;
-    pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
-                    owner: ::uid_t, group: ::gid_t,
-                    flags: ::c_int) -> ::c_int;
-    pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
-                   buf: *mut stat, flags: ::c_int) -> ::c_int;
-    pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                  newdirfd: ::c_int, newpath: *const ::c_char,
-                  flags: ::c_int) -> ::c_int;
-    pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
-                   mode: ::mode_t) -> ::c_int;
+    pub fn fdopendir(fd: ::c_int) -> *mut ::DIR;
+
     pub fn mknodat(dirfd: ::c_int, pathname: *const ::c_char,
                    mode: ::mode_t, dev: dev_t) -> ::c_int;
-    pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                      buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
-    pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                    newdirfd: ::c_int, newpath: *const ::c_char)
-                    -> ::c_int;
-    pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
-                     linkpath: *const ::c_char) -> ::c_int;
-    pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                    flags: ::c_int) -> ::c_int;
     pub fn mkfifoat(dirfd: ::c_int, pathname: *const ::c_char,
                     mode: ::mode_t) -> ::c_int;
     pub fn sethostname(name: *const ::c_char, len: ::size_t) -> ::c_int;
@@ -1138,4 +1180,15 @@
                    flags: ::c_int) -> ::ssize_t;
     pub fn recvmsg(fd: ::c_int, msg: *mut ::msghdr, flags: ::c_int)
                    -> ::ssize_t;
+
+    pub fn port_create() -> ::c_int;
+    pub fn port_associate(port: ::c_int, source: ::c_int, object: ::uintptr_t,
+                          events: ::c_int, user: ::uintptr_t) -> ::c_int;
+    pub fn port_dissociate(port: ::c_int, source: ::c_int, object: ::uintptr_t)
+                           -> ::c_int;
+    pub fn port_get(port: ::c_int, pe: *mut port_event,
+                    timeout: *const ::timespec) -> ::c_int;
+    pub fn port_getn(port: ::c_int, pe_list: *mut port_event, max: ::c_uint,
+                     nget: *mut ::c_uint, timeout: *const ::timespec)
+                     -> ::c_int;
 }