Isolate fchmodat within the Android VFS layer

* src/android.h: Update prototypes.
* src/androidvfs.c (unix_vfs_ops, android_unix_chmod, afs_vfs_ops)
(android_afs_chmod, content_vfs_ops, android_content_chmod)
(authority_vfs_ops, android_authority_chmod, saf_root_vfs_ops)
(android_saf_root_chmod, saf_tree_vfs_ops, android_saf_tree_chmod)
(saf_file_vfs_ops, saf_new_vfs_ops, android_saf_new_chmod)
(root_vfs_ops): Add `chmod' to the list of functions implemented
by each vnode.
(android_fchmodat): New function.
* src/fileio.c (Fset_file_modes): Use `emacs_fchmodat'.
* src/lisp.h:
* src/sysdep.c (emacs_fchmodat): Delegate to android_fchmodat on
Android.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/sysdep.c b/src/sysdep.c
index 0a1905c9196..a995bc66741 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -2719,6 +2719,16 @@ emacs_rename (const char *src, const char *dst)
 #endif /* !(defined HAVE_ANDROID && !defined ANDROID_STUBIFY) */
 }
 
+int
+emacs_fchmodat (int fd, const char *path, mode_t mode, int flags)
+{
+#if !(defined HAVE_ANDROID && !defined ANDROID_STUBIFY)
+  return fchmodat (fd, path, mode, flags);
+#else /* !defined HAVE_ANDROID || defined ANDROID_STUBIFY */
+  return android_fchmodat (fd, path, mode, flags);
+#endif /* !(defined HAVE_ANDROID && !defined ANDROID_STUBIFY) */
+}
+
 /* Maximum number of bytes to read or write in a single system call.
    This works around a serious bug in Linux kernels before 2.6.16; see
    <https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=612839>.