From 32b8c0dd309c01fc84a618d9f1490c9d12db1482 Mon Sep 17 00:00:00 2001
From: Ottatop <ottatop1227@gmail.com>
Date: Mon, 29 Jan 2024 20:46:18 -0600
Subject: [PATCH] Set `sysinfo`'s open files limit to 0

---
 src/config.rs |  2 +-
 src/main.rs   | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/config.rs b/src/config.rs
index 06683d7..cceb124 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -437,7 +437,7 @@ impl State {
         self.loop_handle
             .insert_source(grpc_receiver, |msg, _, data| match msg {
                 Event::Msg(f) => f(&mut data.state),
-                Event::Closed => tracing::debug!("grpc receiver was closed"),
+                Event::Closed => tracing::error!("grpc receiver was closed"),
             })
             .expect("failed to insert grpc_receiver into loop");
 
diff --git a/src/main.rs b/src/main.rs
index c690d90..7623c91 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -86,13 +86,21 @@ async fn main() -> anyhow::Result<()> {
     let args = Args::parse();
 
     if Uid::effective().is_root() && !args.allow_root {
-        println!("You are trying to run Pinnacle as root.\nThis is NOT recommended.\nTo run Pinnacle as root, pass in the --allow-root flag. Again, this is NOT recommended.");
+        tracing::warn!("You are trying to run Pinnacle as root.");
+        tracing::warn!("This is NOT recommended.");
+        tracing::warn!("To run Pinnacle as root, pass in the --allow-root flag.");
+        tracing::warn!("Again, this is NOT recommended.");
         return Ok(());
     }
 
     let in_graphical_env =
         std::env::var("WAYLAND_DISPLAY").is_ok() || std::env::var("DISPLAY").is_ok();
 
+    if !sysinfo::set_open_files_limit(0) {
+        tracing::warn!("Unable to set `sysinfo`'s open files limit to 0.");
+        tracing::warn!("You may see LOTS of file descriptors open under Pinnacle.");
+    }
+
     match (args.backend.winit, args.backend.udev, args.force) {
         (false, false, _) => {
             if in_graphical_env {