| /* Copyright (C) 2004, 2007, 2011 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <pthreadP.h> |
| #include <sysdep.h> |
| |
| #define __SETXID_1(cmd, arg1) \ |
| cmd.id[0] = (long int) arg1 |
| #define __SETXID_2(cmd, arg1, arg2) \ |
| __SETXID_1 (cmd, arg1); cmd.id[1] = (long int) arg2 |
| #define __SETXID_3(cmd, arg1, arg2, arg3) \ |
| __SETXID_2 (cmd, arg1, arg2); cmd.id[2] = (long int) 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; \ |
| if (__builtin_expect (__libc_pthread_functions_init, 0)) \ |
| { \ |
| struct xid_command __cmd; \ |
| __cmd.syscall_no = __NR_##name; \ |
| __SETXID_##nr (__cmd, args); \ |
| __result = PTHFCT_CALL (ptr__nptl_setxid, (&__cmd)); \ |
| } \ |
| else \ |
| __result = INLINE_SYSCALL (name, nr, args); \ |
| __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 |