diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/personality.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/personality.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/sysdeps/unix/sysv/linux/personality.c b/sysdeps/unix/sysv/linux/personality.c deleted file mode 100644 index 6913a2bc62..0000000000 --- a/sysdeps/unix/sysv/linux/personality.c +++ /dev/null @@ -1,49 +0,0 @@ -/* Copyright (C) 2015-2017 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 - <http://www.gnu.org/licenses/>. */ - -#include <sys/personality.h> -#include <sysdep.h> - -extern __typeof (personality) __personality; - -int -__personality (unsigned long persona) -{ -#ifdef PERSONALITY_TRUNCATE_ARGUMENT - /* Starting with kernel commit v2.6.21-3117-g97dc32c, the type of - task_struct->pesonality is "unsigned int". - Starting with kernel commit v2.6.35-rc1-372-g485d527, the personality - syscall accepts "unsigned int" instead of "long unsigned int". - Inbetween, a personality argument that does not fit into "unsigned int" - would result to system call returning -EINVAL. - We explicitly truncate the personality argument to "unsigned int" - to eliminate the uncertainty. */ - persona = (unsigned int) persona; -#endif - - INTERNAL_SYSCALL_DECL (err); - long ret = INTERNAL_SYSCALL (personality, err, 1, persona); - - /* Starting with kernel commit v2.6.29-6609-g11d06b2, the personality syscall - never fails. However, 32-bit kernels might flag valid values as errors, so - we need to reverse the error setting. We can't use the raw result as some - arches split the return/error values. */ - if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (ret, err))) - ret = -INTERNAL_SYSCALL_ERRNO (ret, err); - return ret; -} -weak_alias (__personality, personality) |