Basic OpenBSD support.

Some of the tests are currently unrunnable, but the basic library is at least
buildable.

6 files changed, 15 insertions, 6 deletions

diff --git a/src/sys/ioctl.rs b/src/sys/ioctl.rs
index d295d08d..0a2a3451 100644
--- a/src/sys/ioctl.rs
+++ b/src/sys/ioctl.rs
@@ -82,6 +82,7 @@ pub type ioctl_op_t = c_ulong;
 #[cfg(any(target_os = "macos",
           target_os = "ios",
           target_os = "freebsd",
+          target_os = "openbsd",
           target_os = "dragonfly"))]
 type os_ioctl_op_t = c_ulong;
 
diff --git a/src/sys/mman.rs b/src/sys/mman.rs
index 0815b618..54f256b2 100644
--- a/src/sys/mman.rs
+++ b/src/sys/mman.rs
@@ -113,7 +113,7 @@ mod consts {
     pub const MAP_FAILED: isize               = -1;
 }
 
-#[cfg(target_os = "freebsd")]
+#[cfg(any(target_os = "freebsd", target_os = "openbsd"))]
 mod consts {
     use libc::c_int;
 
diff --git a/src/sys/mod.rs b/src/sys/mod.rs
index f0fda20a..ac9d6216 100644
--- a/src/sys/mod.rs
+++ b/src/sys/mod.rs
@@ -2,7 +2,7 @@
 #[cfg(any(target_os = "linux", target_os = "android"))]
 pub mod epoll;
 
-#[cfg(any(target_os = "macos", target_os = "ios", target_os = "freebsd"))]
+#[cfg(any(target_os = "macos", target_os = "ios", target_os = "freebsd", target_os = "openbsd"))]
 pub mod event;
 
 // TODO: switch from feature flags to conditional builds
diff --git a/src/sys/signal.rs b/src/sys/signal.rs
index 8f3ecdcf..f777841b 100644
--- a/src/sys/signal.rs
+++ b/src/sys/signal.rs
@@ -201,6 +201,7 @@ pub mod signal {
 #[cfg(any(target_os = "macos",
           target_os = "ios",
           target_os = "freebsd",
+          target_os = "openbsd",
           target_os = "dragonfly"))]
 pub mod signal {
     use libc;
@@ -238,7 +239,7 @@ pub mod signal {
     pub const SIGUSR1:      libc::c_int = 30;
     pub const SIGUSR2:      libc::c_int = 31;
 
-    #[cfg(any(target_os = "macos", target_os = "ios"))]
+    #[cfg(any(target_os = "macos", target_os = "ios", target_os = "openbsd"))]
     pub type sigset_t = u32;
     #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))]
     #[repr(C)]
@@ -278,6 +279,13 @@ pub mod signal {
         pub sa_mask: sigset_t,
     }
 
+    #[cfg(target_os = "openbsd")]
+    #[repr(C)]
+    pub struct sigaction {
+        pub sa_handler: extern fn(libc::c_int),
+        pub sa_mask: sigset_t,
+        pub sa_flags: SockFlag,
+    }
 }
 
 mod ffi {
diff --git a/src/sys/socket/consts.rs b/src/sys/socket/consts.rs
index caa06fff..a716b1ab 100644
--- a/src/sys/socket/consts.rs
+++ b/src/sys/socket/consts.rs
@@ -96,7 +96,7 @@ mod os {
 }
 
 // Not all of these constants exist on freebsd
-#[cfg(any(target_os = "macos", target_os = "freebsd", target_os = "ios"))]
+#[cfg(any(target_os = "macos", target_os = "freebsd", target_os = "ios", target_os = "openbsd"))]
 mod os {
     use libc::{c_int, uint8_t};
 
diff --git a/src/sys/termios.rs b/src/sys/termios.rs
index 7473eab4..4050e7d5 100644
--- a/src/sys/termios.rs
+++ b/src/sys/termios.rs
@@ -17,7 +17,7 @@ mod ffi {
     // `Termios` contains bitflags which are not considered
     // `foreign-function-safe` by the compiler.
     #[allow(improper_ctypes)]
-    #[cfg(any(target_os = "macos", target_os = "freebsd", target_os = "linux"))]
+    #[cfg(any(target_os = "macos", target_os = "freebsd", target_os = "openbsd", target_os = "linux"))]
     extern {
         pub fn cfgetispeed(termios: *const Termios) -> speed_t;
         pub fn cfgetospeed(termios: *const Termios) -> speed_t;
@@ -89,7 +89,7 @@ mod ffi {
     pub use self::android::*;
 
 
-    #[cfg(any(target_os = "macos", target_os = "freebsd"))]
+    #[cfg(any(target_os = "macos", target_os = "freebsd", target_os = "openbsd"))]
     pub mod consts {
         use libc::{c_int, c_ulong, c_uchar};