add #![feature(linux_pidfd)] and cfg the nightly features correctly

PatchMixolydic · PatchMixolydic · commit ad0d3031983c · 2021-08-14T10:25:02.000-05:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -14,3 +14,7 @@ categories = ["api-bindings", "external-ffi-bindings", "os::linux-apis"]
 [target.'cfg(target_os = "linux")'.dependencies]
 libc = "0.2.98"
 pidfd = "0.2.4"
+
+[features]
+default = []
+nightly = []
diff --git a/src/lib.rs b/src/lib.rs
@@ -1,3 +1,4 @@
+#![cfg_attr(feature = "nightly", feature(linux_pidfd))]
 #![deny(unsafe_op_in_unsafe_fn)]
 
 #[cfg(target_os = "linux")]
diff --git a/src/linux.rs b/src/linux.rs
@@ -7,7 +7,7 @@ use std::{
     os::unix::prelude::{AsRawFd, FromRawFd, RawFd},
 };
 
-#[cfg(nightly)]
+#[cfg(feature = "nightly")]
 use std::os::linux::process::PidFd as StdPidFd;
 
 /// Various flags used to configure calls to [`get_file_from_pidfd`].
@@ -38,7 +38,7 @@ impl PidFdExt for PidFd {
     }
 }
 
-#[cfg(nightly)]
+#[cfg(feature = "nightly")]
 impl PidFdExt for StdPidFd {
     fn get_file(&self, target_fd: RawFd, flags: GetfdFlags) -> IoResult<File> {
         get_file_from_pidfd(self.as_raw_fd(), target_fd, flags)

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+#![cfg_attr(feature = "nightly", feature(linux_pidfd))]`
`1`	`2`	`#![deny(unsafe_op_in_unsafe_fn)]`
`2`	`3`
`3`	`4`	`#[cfg(target_os = "linux")]`
Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@ use std::{`
`7`	`7`	`os::unix::prelude::{AsRawFd, FromRawFd, RawFd},`
`8`	`8`	`};`
`9`	`9`
`10`		`-#[cfg(nightly)]`
	`10`	`+#[cfg(feature = "nightly")]`
`11`	`11`	`use std::os::linux::process::PidFd as StdPidFd;`
`12`	`12`
`13`	`13`	/// Various flags used to configure calls to [`get_file_from_pidfd`].
`@@ -38,7 +38,7 @@ impl PidFdExt for PidFd {`
`38`	`38`	`}`
`39`	`39`	`}`
`40`	`40`
`41`		`-#[cfg(nightly)]`
	`41`	`+#[cfg(feature = "nightly")]`
`42`	`42`	`impl PidFdExt for StdPidFd {`
`43`	`43`	`fn get_file(&self, target_fd: RawFd, flags: GetfdFlags) -> IoResult<File> {`
`44`	`44`	`get_file_from_pidfd(self.as_raw_fd(), target_fd, flags)`