From b183fae4b7f60810b3edfc00bd0f570c3ced522d Mon Sep 17 00:00:00 2001
From: Esme Povirk <esme@codeweavers.com>
Date: Mon, 22 Jul 2024 19:43:42 +0000
Subject: [PATCH] proton: Check for low file descriptor limit.

CW-Bug-Id: #24035
---
 proton | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/proton b/proton
index d886e903..6d500667 100755
--- a/proton
+++ b/proton
@@ -11,6 +11,7 @@ import os
 import shutil
 import errno
 import platform
+import resource
 import stat
 import subprocess
 import sys
@@ -1464,6 +1465,11 @@ class Session:
                     if var in self.env:
                         self.log_file.write("Effective " + var + ": " + self.env[var] + "\n")
 
+                # check for low fd limit
+                _soft_limit, hard_limit = resource.getrlimit(resource.RLIMIT_NOFILE)
+                if hard_limit < 524288:
+                    self.log_file.write(f"WARNING: Low file descriptor limit: {hard_limit}\n")
+
                 self.log_file.write("======================\n")
                 self.log_file.flush()
             else: