From a41ec495ca774718ea841faff407c33c69f54663 Mon Sep 17 00:00:00 2001
From: Alex Kontos <MrAlex94@users.noreply.github.com>
Date: Tue, 6 Aug 2024 14:11:53 +0100
Subject: [PATCH] Randomly assign PORT for PGO.

It appears a process on GHA Linux now uses 8888.
---
 build/pgo/profileserver.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/build/pgo/profileserver.py b/build/pgo/profileserver.py
index 94f54cbd17369..ae8f4cb8a474b 100755
--- a/build/pgo/profileserver.py
+++ b/build/pgo/profileserver.py
@@ -7,6 +7,7 @@
 import glob
 import json
 import os
+import socket
 import subprocess
 import sys
 
@@ -19,7 +20,12 @@
 from mozrunner import CLI, FirefoxRunner
 from six import string_types
 
-PORT = 8888
+def find_free_port():
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+        s.bind(('', 0))
+        return s.getsockname()[1]
+
+PORT = find_free_port()
 
 PATH_MAPPINGS = {
     "/webkit/PerformanceTests": "third_party/webkit/PerformanceTests",