1 /* Copyright (C) 2004-2022 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
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.
8 
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.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <https://www.gnu.org/licenses/>.  */
17 
18 #include <pthreadP.h>
19 #include <sys/single_threaded.h>
20 #include <sysdep.h>
21 
22 #define __SETXID_1(cmd, arg1) \
23   cmd.id[0] = (long int) arg1
24 #define __SETXID_2(cmd, arg1, arg2) \
25   __SETXID_1 (cmd, arg1); cmd.id[1] = (long int) arg2
26 #define __SETXID_3(cmd, arg1, arg2, arg3) \
27   __SETXID_2 (cmd, arg1, arg2); cmd.id[2] = (long int) arg3
28 
29 #define INLINE_SETXID_SYSCALL(name, nr, args...) \
30   ({									\
31     int __result;							\
32     if (!SINGLE_THREAD_P)						\
33       {									\
34 	struct xid_command __cmd;					\
35 	__cmd.syscall_no = __NR_##name;					\
36 	__SETXID_##nr (__cmd, args);					\
37 	__result =__nptl_setxid (&__cmd);				\
38       }									\
39     else								\
40       __result = INLINE_SYSCALL (name, nr, args);			\
41     __result;								\
42    })
43