/**************************************************************************** **************************************************************************** *** *** This header was automatically generated from a Linux kernel header *** of the same name, to make information necessary for userspace to *** call into the kernel available to libc. It contains only constants, *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** *** To edit the content of this header, modify the corresponding *** source file (e.g. under external/kernel-headers/original/) then *** run bionic/libc/kernel/tools/update_all.py *** *** Any manual change here will be lost the next time this script will *** be run. You've been warned! *** **************************************************************************** ****************************************************************************/ #ifndef _ASM_ATOMIC_H #define _ASM_ATOMIC_H #include #include /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #include #include #include typedef struct { volatile int counter; } atomic_t; /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define ATOMIC_INIT(i) { (i) } #define atomic_read(v) ((v)->counter) #define atomic_set(v, i) ((v)->counter = (i)) #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) #define atomic_dec_return(v) atomic_sub_return(1, (v)) #define atomic_inc_return(v) atomic_add_return(1, (v)) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) #define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) #define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define atomic_inc(v) atomic_add(1, (v)) #define atomic_dec(v) atomic_sub(1, (v)) #define atomic_add_negative(i, v) (atomic_add_return(i, (v)) < 0) #define smp_mb__before_atomic_dec() smp_llsc_mb() /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define smp_mb__after_atomic_dec() smp_llsc_mb() #define smp_mb__before_atomic_inc() smp_llsc_mb() #define smp_mb__after_atomic_inc() smp_llsc_mb() #include /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #endif