Edit File: swoole_atomic.h
/* +----------------------------------------------------------------------+ | Swoole | +----------------------------------------------------------------------+ | This source file is subject to version 2.0 of the Apache license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.apache.org/licenses/LICENSE-2.0.html | | If you did not receive a copy of the Apache2.0 license and are unable| | to obtain it through the world-wide-web, please send a note to | | license@swoole.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Author: Tianfeng Han <mikan.tenny@gmail.com> | | Twosee <twose@qq.com> | +----------------------------------------------------------------------+ */ #pragma once typedef volatile int32_t sw_atomic_int32_t; typedef volatile uint32_t sw_atomic_uint32_t; #if defined(__x86_64__) || defined(__aarch64__) typedef volatile int64_t sw_atomic_int64_t; typedef volatile uint64_t sw_atomic_uint64_t; #endif #if defined(__x86_64__) || defined(__aarch64__) typedef sw_atomic_int64_t sw_atomic_long_t; typedef sw_atomic_uint64_t sw_atomic_ulong_t; #else typedef sw_atomic_int32_t sw_atomic_long_t; typedef sw_atomic_uint32_t sw_atomic_ulong_t; #endif typedef sw_atomic_uint32_t sw_atomic_t; #define sw_atomic_cmp_set(lock, old, set) __sync_bool_compare_and_swap(lock, old, set) #define sw_atomic_fetch_add(value, add) __sync_fetch_and_add(value, add) #define sw_atomic_fetch_sub(value, sub) __sync_fetch_and_sub(value, sub) #define sw_atomic_memory_barrier() __sync_synchronize() #define sw_atomic_add_fetch(value, add) __sync_add_and_fetch(value, add) #define sw_atomic_sub_fetch(value, sub) __sync_sub_and_fetch(value, sub) #ifdef __arm__ #define sw_atomic_cpu_pause() __asm__ __volatile__("NOP"); #elif defined(__x86_64__) #define sw_atomic_cpu_pause() __asm__ __volatile__("pause") #elif defined(__aarch64__) #define sw_atomic_cpu_pause() __asm__ __volatile__("yield") #else #define sw_atomic_cpu_pause() #endif #if 0 #define sw_spinlock_release(lock) __sync_lock_release(lock) #else #define sw_spinlock_release(lock) *(lock) = 0 #endif