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-rw-r--r--guix/build/syscalls.scm9
1 files changed, 9 insertions, 0 deletions
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm
index ec1ce89016..6d3151051b 100644
--- a/guix/build/syscalls.scm
+++ b/guix/build/syscalls.scm
@@ -34,6 +34,10 @@
             MS_BIND
             MS_MOVE
             MS_STRICTATIME
+            MNT_FORCE
+            MNT_DETACH
+            MNT_EXPIRE
+            UMOUNT_NOFOLLOW
             restart-on-EINTR
             mount
             umount
@@ -150,6 +154,11 @@
 (define MS_MOVE            8192)
 (define MS_STRICTATIME 16777216)
 
+(define MNT_FORCE       1)
+(define MNT_DETACH      2)
+(define MNT_EXPIRE      4)
+(define UMOUNT_NOFOLLOW 8)
+
 (define mount
   (let* ((ptr  (dynamic-func "mount" (dynamic-link)))
          (proc (pointer->procedure int ptr `(* * * ,unsigned-long *))))