/* Copyright (C) 2004, 2007 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 modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include #define __SETXID_1(cmd, arg1) \ cmd.id[0] = arg1 #define __SETXID_2(cmd, arg1, arg2) \ __SETXID_1 (cmd, arg1); cmd.id[1] = arg2 #define __SETXID_3(cmd, arg1, arg2, arg3) \ __SETXID_2 (cmd, arg1, arg2); cmd.id[2] = arg3 #ifdef SINGLE_THREAD # define INLINE_SETXID_SYSCALL(name, nr, args...) \ INLINE_SYSCALL (name, nr, args) #elif defined SHARED # define INLINE_SETXID_SYSCALL(name, nr, args...) \ ({ \ int __result; \ struct xid_command __cmd; \ __cmd.syscall_no = __NR_##name; \ __SETXID_##nr (__cmd, args); \ __result = PTHFCT_CALL (__nptl_setxid, (&__cmd)); \ } \ __result; \ }) #else # define INLINE_SETXID_SYSCALL(name, nr, args...) \ ({ \ extern __typeof (__nptl_setxid) __nptl_setxid __attribute__((weak));\ int __result; \ if (__builtin_expect (__nptl_setxid != NULL, 0)) \ { \ struct xid_command __cmd; \ __cmd.syscall_no = __NR_##name; \ __SETXID_##nr (__cmd, args); \ __result =__nptl_setxid (&__cmd); \ } \ else \ __result = INLINE_SYSCALL (name, nr, args); \ __result; \ }) #endif