Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/sparc/include/asm/atomic_64.h
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/* SPDX-License-Identifier: GPL-2.0 */ /* atomic.h: Thankfully the V9 is at least reasonable for this * stuff. * * Copyright (C) 1996, 1997, 2000, 2012 David S. Miller (davem@redhat.com) */ #ifndef __ARCH_SPARC64_ATOMIC__ #define __ARCH_SPARC64_ATOMIC__ #include <linux/types.h> #include <asm/cmpxchg.h> #include <asm/barrier.h> #define ATOMIC_INIT(i) { (i) } #define ATOMIC64_INIT(i) { (i) } #define atomic_read(v) READ_ONCE((v)->counter) #define atomic64_read(v) READ_ONCE((v)->counter) #define atomic_set(v, i) WRITE_ONCE(((v)->counter), (i)) #define atomic64_set(v, i) WRITE_ONCE(((v)->counter), (i)) #define ATOMIC_OP(op) \ void atomic_##op(int, atomic_t *); \ void atomic64_##op(s64, atomic64_t *); #define ATOMIC_OP_RETURN(op) \ int atomic_##op##_return(int, atomic_t *); \ s64 atomic64_##op##_return(s64, atomic64_t *); #define ATOMIC_FETCH_OP(op) \ int atomic_fetch_##op(int, atomic_t *); \ s64 atomic64_fetch_##op(s64, atomic64_t *); #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) ATOMIC_FETCH_OP(op) ATOMIC_OPS(add) ATOMIC_OPS(sub) #undef ATOMIC_OPS #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op) ATOMIC_OPS(and) ATOMIC_OPS(or) ATOMIC_OPS(xor) #undef ATOMIC_OPS #undef ATOMIC_FETCH_OP #undef ATOMIC_OP_RETURN #undef ATOMIC_OP #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) static inline int atomic_xchg(atomic_t *v, int new) { return xchg(&v->counter, new); } #define atomic64_cmpxchg(v, o, n) \ ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) s64 atomic64_dec_if_positive(atomic64_t *v); #define atomic64_dec_if_positive atomic64_dec_if_positive #endif /* !(__ARCH_SPARC64_ATOMIC__) */
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