From df72fa2b3e4626a58695cec0d875db2e29aee183 Mon Sep 17 00:00:00 2001
From: Eric Bollengier <eric@baculasystems.com>
Date: Thu, 15 Feb 2024 11:29:50 +0100
Subject: [PATCH] Disable SyncOnClose on Fifo device using /dev/null

---
 bacula/src/stored/fifo_dev.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/bacula/src/stored/fifo_dev.c b/bacula/src/stored/fifo_dev.c
index ec9c32f0f..a516bfa82 100644
--- a/bacula/src/stored/fifo_dev.c
+++ b/bacula/src/stored/fifo_dev.c
@@ -52,7 +52,12 @@ const char *fifo_dev::print_type()
 
 int fifo_dev::device_specific_init(JCR *jcr, DEVRES *device)
 {
-   capabilities |= CAP_STREAM;
+   set_cap(CAP_STREAM);
+
+   /* Apparently it is not possible to sync the file descriptor on /dev/null */
+   if (strcmp(device->device_name, "/dev/null") == 0) {
+      clear_cap(CAP_SYNCONCLOSE);
+   }
    return 0;
 }
 
-- 
2.47.3