1 /* Copyright (C) 2000-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library. If not, see
16 <https://www.gnu.org/licenses/>. */
26 extern int _test_and_set (int *__p
, int __v
)
27 __THROW
__attribute__ ((__nomips16__
));
29 #ifdef __USE_EXTERN_INLINES
31 # ifndef _EXTERN_INLINE
32 # define _EXTERN_INLINE __extern_inline
35 _EXTERN_INLINE
int __attribute__ ((__nomips16__
))
36 __NTH (_test_and_set (int *__p
, int __v
))
40 /* The R5900 reports itself as MIPS III but it does not have LL/SC. */
42 ("/* Inline test and set */\n"
44 #if _MIPS_SIM == _ABIO32 && (__mips < 2 || defined (_MIPS_ARCH_R5900))
57 "/* End test and set */"
58 : "=&r" (__r
), "=&r" (__t
), "=m" (*__p
)
59 : "m" (*__p
), "r" (__v
)
65 #endif /* __USE_EXTERN_INLINES */
69 #endif /* sys/tas.h */