From fbdebc1d74f9cd3badeece9f86a668f9dbb491d8 Mon Sep 17 00:00:00 2001
From: Madelyn Olson <34459052+madolson@users.noreply.github.com>
Date: Sun, 27 Nov 2022 08:57:50 -0800
Subject: [PATCH] Add log message when PID file fails to create (#11544)

Add an error message when PID file fails to be written. This has historically been considered a best effort failure, but we don't even report the failure.
---
 src/server.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/server.c b/src/server.c
index bc85a3778e..dd05154121 100644
--- a/src/server.c
+++ b/src/server.c
@@ -6171,6 +6171,8 @@ void createPidFile(void) {
     if (fp) {
         fprintf(fp,"%d\n",(int)getpid());
         fclose(fp);
+    } else {
+        serverLog(LL_WARNING, "Failed to write PID file: %s", strerror(errno));
     }
 }