[xen staging] libxengnttab: set the cloexec flag on Mini-OS

[patchbot@xxxxxxx]

commit e66629438f9fb1a7cc1187a5499e8f59df5311aa
Author:     Juergen Gross <jgross@xxxxxxxx>
AuthorDate: Thu Jul 31 09:44:41 2025 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Jul 31 09:44:41 2025 +0200

    libxengnttab: set the cloexec flag on Mini-OS
    
    With Mini-OS now supporting the O_CLOEXEC flag for the kexec case,
    set the related cloexec flag in minios.c.
    
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
    Acked-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
---
 tools/libs/gnttab/minios.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/libs/gnttab/minios.c b/tools/libs/gnttab/minios.c
index cac89f0ba6..63bbdc7719 100644
--- a/tools/libs/gnttab/minios.c
+++ b/tools/libs/gnttab/minios.c
@@ -74,6 +74,7 @@ int osdep_gnttab_open(xengnttab_handle *xgt)
     }
 
     file->dev = gntmap;
+    file->cloexec = true;
     gntmap_init(gntmap);
     xgt->fd = fd;
     return 0;
--
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