From 44ccc71338f83b8b106780f9034c1406fd6ec2dd Mon Sep 17 00:00:00 2001
From: lufia <lufia@lufia.org>
Date: Mon, 29 Apr 2024 14:46:20 +0900
Subject: [PATCH] xdg-document-portal: implement flock

This is needed for Steam client

Signed-off-by: Kyohei KADOTA <lufia@lufia.org>
---
 document-portal/document-portal-fuse.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/document-portal/document-portal-fuse.c b/document-portal/document-portal-fuse.c
index ac2014a10..202bd25a5 100644
--- a/document-portal/document-portal-fuse.c
+++ b/document-portal/document-portal-fuse.c
@@ -3192,10 +3192,16 @@ xdp_fuse_flock (fuse_req_t req,
                 int lock_op)
 {
   const char *op = "FLOCK";
+  XdpFile *file = (XdpFile *)fi->fh;
+  int res;
 
   g_debug ("FLOCK %lx", ino);
 
-  xdp_reply_err (op, req, ENOSYS);
+  res = flock (file->fd, lock_op);
+  if (res == 0)
+    xdp_reply_ok (op, req);
+  else
+    xdp_reply_err (op, req, errno);
 }
 
 static void