[glib: 2/3] gtestdbus: Retry writes if they fail

[Philip Withnall <pwithnall src gnome org>]

commit eba2e7f0564beb04595fcf7581f761558f877661
Author: Philip Withnall <pwithnall endlessos org>
Date:   Thu Dec 3 14:18:45 2020 +0000

    gtestdbus: Retry writes if they fail
    
    It’s unlikely, but shuts up a Coverity warning.
    
    Coverity CID: #1232156
    
    Signed-off-by: Philip Withnall <pwithnall endlessos org>

 gio/gtestdbus.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/gio/gtestdbus.c b/gio/gtestdbus.c
index 96da52c68..9cfaadbf0 100644
--- a/gio/gtestdbus.c
+++ b/gio/gtestdbus.c
@@ -282,10 +282,13 @@ watcher_send_command (const gchar *command)
 {
   GIOChannel *channel;
   GError *error = NULL;
+  GIOStatus status;
 
   channel = watcher_init ();
 
-  g_io_channel_write_chars (channel, command, -1, NULL, &error);
+  do
+   status = g_io_channel_write_chars (channel, command, -1, NULL, &error);
+  while (status == G_IO_STATUS_AGAIN);
   g_assert_no_error (error);
 
   g_io_channel_flush (channel, &error);