re-export RLIM_INFINITY from libc

Author: SteveLauC

CHANGELOG.md

@@ -18,6 +18,8 @@ This project adheres to [Semantic Versioning](https://semver.org/).
   ([#1808](https://github.com/nix-rust/nix/pull/1808))
 - Added `domainname` field of `UtsName` on Android and Linux
   ([#1817](https://github.com/nix-rust/nix/pull/1817))
+- Re-export `RLIM_INFINITY` from `libc`
+  ([#1831](https://github.com/nix-rust/nix/pull/1831))
 
 ### Changed
 

src/sys/resource.rs

@@ -6,6 +6,7 @@ use crate::errno::Errno;
 use crate::sys::time::TimeVal;
 use crate::Result;
 pub use libc::rlim_t;
+pub use libc::RLIM_INFINITY;
 use std::mem;
 
 cfg_if! {
@@ -175,7 +176,7 @@ libc_enum! {
 
 /// Get the current processes resource limits
 ///
-/// The special value `RLIM_INFINITY` indicates that no limit will be
+/// The special value [`RLIM_INFINITY`] indicates that no limit will be
 /// enforced.
 ///
 /// # Parameters
@@ -224,7 +225,7 @@ pub fn getrlimit(resource: Resource) -> Result<(rlim_t, rlim_t)> {
 /// * `hard_limit`: The ceiling for the soft limit. Must be lower or equal to
 ///   the current hard limit for non-root users.
 ///
-/// The special value `RLIM_INFINITY` indicates that no limit will be
+/// The special value [`RLIM_INFINITY`] indicates that no limit will be
 /// enforced.
 ///
 /// # Examples