diff options
Diffstat (limited to 'libc/kernel/arch-x86/asm/atomic_32.h')
| -rw-r--r-- | libc/kernel/arch-x86/asm/atomic_32.h | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/libc/kernel/arch-x86/asm/atomic_32.h b/libc/kernel/arch-x86/asm/atomic_32.h index 355b620..677aac8 100644 --- a/libc/kernel/arch-x86/asm/atomic_32.h +++ b/libc/kernel/arch-x86/asm/atomic_32.h @@ -7,39 +7,33 @@ *** 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 __ARCH_I386_ATOMIC__ #define __ARCH_I386_ATOMIC__ + #include <linux/compiler.h> #include <asm/processor.h> -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #include <asm/cmpxchg.h> + typedef struct { int counter; } atomic_t; + #define ATOMIC_INIT(i) { (i) } + #define atomic_read(v) ((v)->counter) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define atomic_set(v,i) (((v)->counter) = (i)) + #define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) #define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define atomic_inc_return(v) (atomic_add_return(1,v)) #define atomic_dec_return(v) (atomic_sub_return(1,v)) #define atomic_clear_mask(mask, addr) __asm__ __volatile__(LOCK_PREFIX "andl %0,%1" : : "r" (~(mask)),"m" (*addr) : "memory") #define atomic_set_mask(mask, addr) __asm__ __volatile__(LOCK_PREFIX "orl %0,%1" : : "r" (mask),"m" (*(addr)) : "memory") -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define smp_mb__before_atomic_dec() barrier() #define smp_mb__after_atomic_dec() barrier() #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #include <asm-generic/atomic.h> #endif |