diff options
Diffstat (limited to 'ANDROID_3.4.5/include/asm-generic/atomic64.h')
| -rw-r--r-- | ANDROID_3.4.5/include/asm-generic/atomic64.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/ANDROID_3.4.5/include/asm-generic/atomic64.h b/ANDROID_3.4.5/include/asm-generic/atomic64.h deleted file mode 100644 index b18ce4f9..00000000 --- a/ANDROID_3.4.5/include/asm-generic/atomic64.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Generic implementation of 64-bit atomics using spinlocks, - * useful on processors that don't have 64-bit atomic instructions. - * - * Copyright © 2009 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#ifndef _ASM_GENERIC_ATOMIC64_H -#define _ASM_GENERIC_ATOMIC64_H - -typedef struct { - long long counter; -} atomic64_t; - -#define ATOMIC64_INIT(i) { (i) } - -extern long long atomic64_read(const atomic64_t *v); -extern void atomic64_set(atomic64_t *v, long long i); -extern void atomic64_add(long long a, atomic64_t *v); -extern long long atomic64_add_return(long long a, atomic64_t *v); -extern void atomic64_sub(long long a, atomic64_t *v); -extern long long atomic64_sub_return(long long a, atomic64_t *v); -extern long long atomic64_dec_if_positive(atomic64_t *v); -extern long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n); -extern long long atomic64_xchg(atomic64_t *v, long long new); -extern int atomic64_add_unless(atomic64_t *v, long long a, long long u); - -#define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) -#define atomic64_inc(v) atomic64_add(1LL, (v)) -#define atomic64_inc_return(v) atomic64_add_return(1LL, (v)) -#define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) -#define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0) -#define atomic64_dec(v) atomic64_sub(1LL, (v)) -#define atomic64_dec_return(v) atomic64_sub_return(1LL, (v)) -#define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) -#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) - -#endif /* _ASM_GENERIC_ATOMIC64_H */ |