Separate LISTEN_FDS implementation into it's own crate

Cargo.toml

@@ -12,13 +12,14 @@ rust-version = "1.74.0"
 
 [features]
 default = []
-listenfd = ["dep:rustix", "rustix/fs", "dep:libc"]
+listenfd = ["dep:storefd-listen"]
 notify = ["dep:libc", "dep:rustix", "rustix/pipe", "rustix/event"]
 
 [dependencies]
 libc = { version = "0.2.150", optional = true }
 log = "0.4.20"
 rustix = { version = "0.38.26", optional = true, features = ["net"] }
+storefd-listen = { path = "./storefd-listen", version = "0.1.0", optional = true }
 
 [package.metadata.docs.rs]
 features = ["listenfd", "notify"]

src/lib.rs

@@ -4,7 +4,7 @@
 
 #[cfg(feature = "listenfd")]
 #[cfg_attr(doc_cfg, doc(cfg(feature = "listenfd")))]
-pub mod listen;
+pub use storefd_listen;
 #[cfg(feature = "notify")]
 #[cfg_attr(doc_cfg, doc(cfg(feature = "notify")))]
 pub mod notify;

storefd-listen/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "storefd-listen"
+version = "0.1.0"
+edition = "2021"
+license = "MIT"
+authors = ["Mathieu Trossevin <mtrossevin@evolix.fr>"]
+description = "An implementation of file descriptor passing with `LISTEN_FD`."
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rustix = { version = "0.38.26", features = ["net", "fs"] }
+libc = "0.2.150"
+log = "0.4.20"