From 09808f41ed95a8292a3e5a246347072d75a39292 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Tue, 31 Mar 2026 07:09:12 +0000
Subject: [PATCH] Increasing pipe buffer size for non win32 machines

---
 render_machine/render_utils.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/render_machine/render_utils.py b/render_machine/render_utils.py
index f7d8dcb..2bf2564 100644
--- a/render_machine/render_utils.py
+++ b/render_machine/render_utils.py
@@ -1,3 +1,4 @@
+import fcntl
 import os
 import signal
 import subprocess
@@ -18,6 +19,8 @@
 POLL_INTERVAL_SECONDS = 0.2
 SIGTERM_GRACE_PERIOD_SECONDS = 0.2
 STDOUT_READ_TIMEOUT_SECONDS = 5
+F_SETPIPE_SIZE = 1031  # Linux-only constant
+PIPE_SIZE_KB = 1024  # 1MB
 
 
 def revert_changes_for_frid(render_context):
@@ -101,6 +104,10 @@ def execute_script(  # noqa: C901
         start_new_session=(sys.platform != "win32"),
     )
 
+    if sys.platform == "linux":
+        # Set the pipe size to 1MB to avoid buffer overflows
+        fcntl.fcntl(proc.stdout.fileno(), F_SETPIPE_SIZE, PIPE_SIZE_KB * 1024)  # 1MB
+
     try:
         while proc.poll() is None:
             if time.time() - start_time >= script_timeout: