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/* Copyright (C) 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _SYS_ATOMIC_H
#define _SYS_ATOMIC_H
#include <features.h>
#include <sys/types.h>
#include <stdint.h>
__BEGIN_DECLS
extern void membar_enter (void);
extern void membar_exit (void);
extern void membar_producer (void);
extern void membar_consumer (void);
extern void atomic_add_8 (volatile uint8_t *, int8_t);
extern void atomic_add_char (volatile unsigned char *, signed char);
extern void atomic_add_16 (volatile uint16_t *, int16_t);
extern void atomic_add_short (volatile unsigned short *, short);
extern void atomic_add_32 (volatile uint32_t *, int32_t);
extern void atomic_add_int (volatile unsigned int *, int);
extern void atomic_add_long (volatile unsigned long *, long);
extern void atomic_add_64 (volatile uint64_t *, int64_t);
extern void atomic_add_ptr (volatile void *, ssize_t);
extern uint8_t atomic_add_8_nv (volatile uint8_t *, int8_t);
extern unsigned char atomic_add_char_nv (volatile unsigned char *, signed char);
extern uint16_t atomic_add_16_nv (volatile uint16_t *, int16_t);
extern unsigned short atomic_add_short_nv (volatile unsigned short *, short);
extern uint32_t atomic_add_32_nv (volatile uint32_t *, int32_t);
extern unsigned int atomic_add_int_nv (volatile unsigned int *, int);
extern unsigned long atomic_add_long_nv (volatile unsigned long *, long);
extern uint64_t atomic_add_64_nv (volatile uint64_t *, int64_t);
extern void * atomic_add_ptr_nv (volatile void *, ssize_t);
extern void atomic_dec_8 (volatile uint8_t *target);
extern void atomic_dec_uchar (volatile unsigned char *target);
extern void atomic_dec_16 (volatile uint16_t *target);
extern void atomic_dec_ushort (volatile unsigned short *target);
extern void atomic_dec_32 (volatile uint32_t *target);
extern void atomic_dec_uint (volatile unsigned int *target);
extern void atomic_dec_ulong (volatile unsigned long *target);
extern void atomic_dec_64 (volatile uint64_t *target);
extern uint8_t atomic_dec_8_nv (volatile uint8_t *target);
extern unsigned char atomic_dec_uchar_nv (volatile unsigned char *target);
extern uint16_t atomic_dec_16_nv (volatile uint16_t *target);
extern unsigned short atomic_dec_ushort_nv (volatile unsigned short *target);
extern uint32_t atomic_dec_32_nv (volatile uint32_t *target);
extern unsigned int atomic_dec_uint_nv (volatile unsigned int *target);
extern unsigned long atomic_dec_ulong_nv (volatile unsigned long *target);
extern uint64_t atomic_dec_64_nv (volatile uint64_t *target);
__END_DECLS
#endif /* _SYS_ATOMIC_H */
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