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1 /* Copyright (C) 2000 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
25 #include <sys/sysmips.h>
29 extern int _test_and_set (int *p
, int v
) __THROW
;
31 #ifdef __USE_EXTERN_INLINES
33 # ifndef _EXTERN_INLINE
34 # define _EXTERN_INLINE extern __inline
37 # if (_MIPS_ISA >= _MIPS_ISA_MIPS2)
40 _test_and_set (int *p
, int v
) __THROW
56 : "=&r" (r
), "=&r" (t
), "=m" (*p
)
63 # else /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */
66 _test_and_set (int *p
, int v
) __THROW
68 return sysmips (MIPS_ATOMIC_SET
, (int) p
, v
, 0);
71 # endif /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */
73 #endif /* __USE_EXTERN_INLINES */
77 #endif /* sys/tas.h */
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