1 /* Copyright (C) 1998, 2000, 2003, 2006 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 #include <sys/types.h>
21 #include <sys/fsuid.h>
24 #include <sys/syscall.h>
25 #include <linux/posix_types.h>
26 #include <kernel-features.h>
31 # ifdef __NR_setfsgid32
32 # if __ASSUME_32BITUIDS == 0
33 /* This variable is shared with all files that need to check for 32bit
35 extern int __libc_missing_32bit_uids attribute_hidden
;
37 # endif /* __NR_setfsgid32 */
42 INTERNAL_SYSCALL_DECL (err
);
43 # if __ASSUME_32BITUIDS > 0
44 /* No error checking. */
45 return INTERNAL_SYSCALL (setfsgid32
, err
, 1, gid
);
47 # ifdef __NR_setfsgid32
48 if (__libc_missing_32bit_uids
<= 0)
52 result
= INTERNAL_SYSCALL (setfsgid32
, err
, 1, gid
);
53 if (! INTERNAL_SYSCALL_ERROR_P (result
, err
)
54 || INTERNAL_SYSCALL_ERRNO (result
, err
) != ENOSYS
)
57 __libc_missing_32bit_uids
= 1;
59 # endif /* __NR_setfsgid32 */
60 if (gid
!= (gid_t
) ((__kernel_gid_t
) gid
))
66 /* No error checking. */
67 return INTERNAL_SYSCALL (setfsgid
, err
, 1, gid
);