Merge pull request #26 from Kestrer/master

Support VxWorks, Fuchsia and other Unix systems by using poll

Author: taiki-e

.github/workflows/cross.yaml

@@ -46,6 +46,14 @@ jobs:
       if: startsWith(matrix.os, 'ubuntu')
       run: cross check --target x86_64-unknown-linux-gnux32
 
+    - name: Add fuchsia target
+      if: startsWith(matrix.os, 'ubuntu')
+      run: rustup target add x86_64-fuchsia
+
+    - name: Fuchsia
+      if: startsWith(matrix.os, 'ubuntu')
+      run: cross build --target x86_64-fuchsia
+
     # - name: illumos
     #   if: startsWith(matrix.os, 'ubuntu')
     #   run: cross build --target x86_64-unknown-illumos

Cargo.toml

@@ -22,7 +22,7 @@ std = []
 cfg-if = "1"
 log = "0.4.11"
 
-[target."cfg(unix)".dependencies]
+[target.'cfg(any(unix, target_os = "fuchsia", target_os = "vxworks"))'.dependencies]
 libc = "0.2.77"
 
 [target.'cfg(windows)'.dependencies]

README.md

@@ -16,6 +16,7 @@ Supported platforms:
 - [kqueue](https://en.wikipedia.org/wiki/Kqueue): macOS, iOS, FreeBSD, NetBSD, OpenBSD,
   DragonFly BSD
 - [event ports](https://illumos.org/man/port_create): illumos, Solaris
+- [poll](https://en.wikipedia.org/wiki/Poll_(Unix)): VxWorks, Fuchsia, other Unix systems
 - [wepoll](https://github.com/piscisaureus/wepoll): Windows
 
 Polling is done in oneshot mode, which means interest in I/O events needs to be reset after

src/lib.rs

@@ -5,6 +5,7 @@
 //! - [kqueue](https://en.wikipedia.org/wiki/Kqueue): macOS, iOS, FreeBSD, NetBSD, OpenBSD,
 //!   DragonFly BSD
 //! - [event ports](https://illumos.org/man/port_create): illumos, Solaris
+//! - [poll](https://en.wikipedia.org/wiki/Poll_(Unix)): VxWorks, Fuchsia, other Unix systems
 //! - [wepoll](https://github.com/piscisaureus/wepoll): Windows
 //!
 //! Polling is done in oneshot mode, which means interest in I/O events needs to be re-enabled
@@ -92,6 +93,13 @@ cfg_if! {
     ))] {
         mod kqueue;
         use kqueue as sys;
+    } else if #[cfg(any(
+        target_os = "vxworks",
+        target_os = "fuchsia",
+        unix,
+    ))] {
+        mod poll;
+        use poll as sys;
     } else if #[cfg(target_os = "windows")] {
         mod wepoll;
         use wepoll as sys;
@@ -104,7 +112,7 @@ cfg_if! {
 const NOTIFY_KEY: usize = std::usize::MAX;
 
 /// Indicates that a file descriptor or socket can read or write without blocking.
-#[derive(Debug)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub struct Event {
     /// Key identifying the file descriptor or socket.
     pub key: usize,