From 32013424c97f751ce7843930f95ac1e5c205da90 Mon Sep 17 00:00:00 2001
From: Cole Helbling <cole.e.helbling@outlook.com>
Date: Thu, 25 Aug 2022 13:52:23 -0700
Subject: [PATCH] helix-term: use libc directly to send STOP signal

---
 Cargo.lock                    |  2 +-
 helix-term/Cargo.toml         |  2 +-
 helix-term/src/application.rs | 19 +++++++++++--------
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 7c0c94ff8534c..8f9628ac91709 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1220,8 +1220,8 @@ dependencies = [
  "helix-view",
  "ignore",
  "indoc",
+ "libc",
  "log",
- "nix",
  "once_cell",
  "pulldown-cmark",
  "serde",
diff --git a/helix-term/Cargo.toml b/helix-term/Cargo.toml
index 1de55c3d9b822..025136761e891 100644
--- a/helix-term/Cargo.toml
+++ b/helix-term/Cargo.toml
@@ -72,7 +72,7 @@ grep-searcher = "0.1.10"
 
 [target.'cfg(not(windows))'.dependencies]  # https://github.com/vorner/signal-hook/issues/100
 signal-hook-tokio = { version = "0.3", features = ["futures-v0_3"] }
-nix = { version = "0.25.0", features = ["signal", "process"], default-features = false }
+libc = "0.2.132"
 
 [build-dependencies]
 helix-loader = { version = "0.6", path = "../helix-loader" }
diff --git a/helix-term/src/application.rs b/helix-term/src/application.rs
index fb663527811d2..70e248f6fcb79 100644
--- a/helix-term/src/application.rs
+++ b/helix-term/src/application.rs
@@ -445,14 +445,17 @@ impl Application {
                     .ok();
                 restore_term().unwrap();
 
-                // A pid of 0 sends the signal to the entire process group, allowing the user to
-                // regain control of their terminal if the editor was spawned under another process
-                // (e.g. when running `git commit`).
-                nix::sys::signal::kill(
-                    nix::unistd::Pid::from_raw(0),
-                    Some(nix::sys::signal::SIGSTOP),
-                )
-                .unwrap();
+                let res = unsafe {
+                    // A pid of 0 sends the signal to the entire process group, allowing the user to
+                    // regain control of their terminal if the editor was spawned under another process
+                    // (e.g. when running `git commit`).
+                    libc::kill(0, signal::SIGSTOP)
+                };
+
+                if res != 0 {
+                    eprintln!("{}", std::io::Error::from_raw_os_error(res));
+                    std::process::exit(res);
+                }
             }
             signal::SIGCONT => {
                 self.claim_term().await.unwrap();