use the enable_pipe_errors instead of libc::signal

Author: sylvestre

src/uu/cat/Cargo.toml

@@ -21,7 +21,7 @@ path = "src/cat.rs"
 clap = { workspace = true }
 memchr = { workspace = true }
 thiserror = { workspace = true }
-uucore = { workspace = true, features = ["fast-inc", "fs", "pipes"] }
+uucore = { workspace = true, features = ["fast-inc", "fs", "pipes", "signals"] }
 fluent = { workspace = true }
 
 [target.'cfg(unix)'.dependencies]

src/uu/cat/src/cat.rs

@@ -20,8 +20,6 @@ use std::os::unix::fs::FileTypeExt;
 use thiserror::Error;
 use uucore::display::Quotable;
 use uucore::error::UResult;
-#[cfg(not(target_os = "windows"))]
-use uucore::libc;
 use uucore::translate;
 use uucore::{fast_inc::fast_inc_one, format_usage};
 
@@ -225,9 +223,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     // (see https://github.com/rust-lang/rust/issues/62569), so we restore it's
     // default action here.
     #[cfg(not(target_os = "windows"))]
-    unsafe {
-        libc::signal(libc::SIGPIPE, libc::SIG_DFL);
-    }
+    let _ = uucore::signals::enable_pipe_errors();
 
     let matches = uucore::clap_localization::handle_clap_result(uu_app(), args)?;
 

src/uu/env/src/env.rs

@@ -1098,9 +1098,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     // Rust ignores SIGPIPE (see https://github.com/rust-lang/rust/issues/62569).
     // We restore its default action here.
     #[cfg(unix)]
-    unsafe {
-        libc::signal(libc::SIGPIPE, libc::SIG_DFL);
-    }
+    let _ = uucore::signals::enable_pipe_errors();
     EnvAppData::default().run_env(args)
 }
 

src/uu/tail/Cargo.toml

@@ -23,7 +23,7 @@ clap = { workspace = true }
 libc = { workspace = true }
 memchr = { workspace = true }
 notify = { workspace = true }
-uucore = { workspace = true, features = ["fs", "parser-size"] }
+uucore = { workspace = true, features = ["fs", "parser-size", "signals"] }
 same-file = { workspace = true }
 fluent = { workspace = true }
 

src/uu/tail/src/tail.rs

@@ -45,9 +45,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     // (see https://github.com/rust-lang/rust/issues/62569), so we restore it's
     // default action here.
     #[cfg(not(target_os = "windows"))]
-    unsafe {
-        libc::signal(libc::SIGPIPE, libc::SIG_DFL);
-    }
+    let _ = uucore::signals::enable_pipe_errors();
 
     let settings = parse_args(args)?;