(root)/
glibc-2.38/
sysdeps/
nptl/
setxid.h
       1  /* Copyright (C) 2004-2023 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     })