add poll module for all platforms

Author: ndusart

CHANGELOG.md

@@ -31,6 +31,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - On Linux and Android, added support for receiving `PTRACE_O_TRACESYSGOOD`
   events from `wait` and `waitpid` using `WaitStatus::PtraceSyscall`
   ([#566](https://github.com/nix-rust/nix/pull/566)).
+- Added `nix::poll` module for all platforms
+  ([#672](https://github.com/nix-rust/nix/pull/672))
+- Added `nix::ppoll` function for FreeBSD and DragonFly
+  ([#672](https://github.com/nix-rust/nix/pull/672))
 
 ### Changed
 - The `ioctl!` macro and its variants now allow the generated functions to have

src/lib.rs

@@ -39,7 +39,6 @@ pub mod mqueue;
 
 pub mod pty;
 
-#[cfg(any(target_os = "linux", target_os = "macos"))]
 pub mod poll;
 
 pub mod net;

src/poll.rs

@@ -1,6 +1,6 @@
-#[cfg(any(target_os = "linux", target_os = "android"))]
+#[cfg(any(target_os = "android", target_os = "dragonfly", target_os = "freebsd", target_os = "linux"))]
 use sys::time::TimeSpec;
-#[cfg(any(target_os = "linux", target_os = "android"))]
+#[cfg(any(target_os = "android", target_os = "dragonfly", target_os = "freebsd", target_os = "linux"))]
 use sys::signal::SigSet;
 
 use libc;
@@ -53,7 +53,7 @@ pub fn poll(fds: &mut [PollFd], timeout: libc::c_int) -> Result<libc::c_int> {
     Errno::result(res)
 }
 
-#[cfg(any(target_os = "linux", target_os = "android"))]
+#[cfg(any(target_os = "android", target_os = "dragonfly", target_os = "freebsd", target_os = "linux"))]
 pub fn ppoll(fds: &mut [PollFd], timeout: TimeSpec, sigmask: SigSet) -> Result<libc::c_int> {
 
 

test/test.rs

@@ -15,7 +15,6 @@ mod test_fcntl;
 mod test_mq;
 mod test_net;
 mod test_nix_path;
-#[cfg(any(target_os = "linux", target_os = "macos"))]
 mod test_poll;
 mod test_pty;
 #[cfg(any(target_os = "linux", target_os = "android"))]