Linux: consolidate rmdir implementation

Use rmdir syscall if defined, otherwise use unlinkat.

Checked on x86_64-linux-gnu.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>

diff --git a/sysdeps/unix/sysv/linux/generic/rmdir.c b/sysdeps/unix/sysv/linux/rmdir.c
similarity index 78%
rename from sysdeps/unix/sysv/linux/generic/rmdir.c
rename to sysdeps/unix/sysv/linux/rmdir.c
index 214ddc711b37572eb54d1caec543e5c8bacf5d23..cd5674f07c3388e0b0a33b4e903723a414ec63e8 100644 (file)
--- a/sysdeps/unix/sysv/linux/generic/rmdir.c
+++ b/sysdeps/unix/sysv/linux/rmdir.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 2011-2022 Free Software Foundation, Inc.
+/* Delete a directory.  Linux version.
+   Copyright (C) 2011-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -23,6 +24,10 @@
 int
 __rmdir (const char *path)
 {
-  return INLINE_SYSCALL (unlinkat, 3, AT_FDCWD, path, AT_REMOVEDIR);
+#ifdef __NR_rmdir
+  return INLINE_SYSCALL_CALL (rmdir, path);
+#else
+  return INLINE_SYSCALL_CALL (unlinkat, AT_FDCWD, path, AT_REMOVEDIR);
+#endif
 }
 weak_alias (__rmdir, rmdir)