mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 08:40:07 +00:00
63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/* 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#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
|