aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/personality.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/linux/personality.c')
-rw-r--r--sysdeps/unix/sysv/linux/personality.c49
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)