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Isolate fchmodat within the Android VFS layer

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* 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.
This commit is contained in:
Po Lu 2023-08-03 14:50:05 +08:00
parent 91a7e9d83f
commit 6d44d08e04
5 changed files with 139 additions and 9 deletions
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10
src/sysdep.c
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@ -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>.