复制 #include<stdio.h>#include<threads.h>#include<stdatomic.h>atomic_int acnt;int cnt;intf(void*thr_data){for(int n=0;n<1000;++n){atomic_fetch_add_explicit(&acnt,1,memory_order_relaxed);// atomic++cnt;// undefined behavior, in practice some updates missed}return0;}intmain(void){th...
我们先以FetchAndAdd作为原子性的后置++操作。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 intFetchAndAdd(int*ptr){int old=*ptr;*ptr=old+1;returnold;}typedef struct __lock_t{int ticket;int turn;}lock_t;voidlock_init(lock_t*lock){lock->ticket=0;lock->turn=0;}voidlock(lock_t*...
目前标准库默认用typedef定义了很多整型相关的原子类型(c++ 20开始对float有支持),包括atomic_bool,atomic_char,atomic_short,atomic_int,atomic_long,atomic_char8_t,atomic_uint8_t,atomic_intptr_t等等。 原子类型的数据支持的原子操作,包括store,load,exchange,compare_exchange_strong,fetch_add,fetch_sub,+=,...
add_dependencies(${PROJECT_NAME} SomeLibrary) # 确保在构建当前项目前构建SomeLibrary target_include_directories(${PROJECT_NAME} PRIVATE ${CMAKE_BINARY_DIR}/SomeLibrary/include) target_link_libraries(${PROJECT_NAME} PRIVATE ${CMAKE_BINARY_DIR}/SomeLibrary/lib/somelibrary.a) 这个例子中,ExternalProject_...
git fetch的时候要add gitlab account git里fetch 作者:阿诺 引言 这是一篇简单的入门级文章,旨在让从没有使用过git的人群能够明白git的初步用法,以及git用于工作的基本思想。看完本文后,希望大家能够上手实现基本功能的操作。只要入了门,再进阶就有章可循了。
fetch() — Get a load module fetchep() — Share writable static fetestexcept() — Test the floating-point status flags feupdateenv() — Save the currently raised floating-point exceptions fflush() — Write buffer to file ffs() — Find first set bit in an integer fgetc() — ...
根据时间戳查询消息列表ckafkaFetchMessageListByTimestamp 获取实例属性ckafkaGetInstanceAttributes 获取主题属性ckafkaGetTopicAttributes 混沌演练关机ckafkaInjectDownAttack Ckafka询价ckafkaInquireCkafkaPrice 按量实例缩容ckafkaInstanceScalingDown 列出消费分组ckafkaListConsumerGroup ...
Oh,PEP 703 – Making the Global Interpreter Lock Optional in CPythonproposes PyWeakref_FetchObject() which is more or less the PyWeakref_GetRef() function that was just added to Python 3.13. Sorry, something went wrong. Copy link MemberAuthor ...
This repository uses submodules, but submodules will fetch automatically on demand, so--recursiveorgit submodule update --init --recursiveis not needed. $ git clone https://github.com/riscv/riscv-gnu-toolchain Warning: git clone takes around 6.65 GB of disk and download size ...
dofetch : 仅下载源码 setdev : 设置开发模式 开发模式下如果编译输出文件夹下存在源码目录,不会将 output/mirror-cache/download 中的源码复制到编译输出文件夹,这样开发时可以在编译输出文件夹修改源码调试 如果有缓存编译,开发模式也请运行 setforce 目标,不要缓存编译 unsetdev : 取消开发模式 status : 获取当...