# swoole_lock::lock
函数原型：
~~~
$lock->lock();
~~~
加锁操作。如果有其他进程持有锁，那这里将进入阻塞，直到持有锁的进程unlock。
| Swoole流程 |
|-----|
- Swoole
- 入门指引
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- 版本更新记录
- 1.7.12
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- 1.7.14
- 1.7.15
- 1.7.16
- 1.7.17
- 开发者列表
- 新特性使用
- 1.7.16 使用迭代器遍历Server所有连接
- 1.7.5 在Server中使用swoole_table
- 1.7.5 swoole_client支持sendfile接口
- 1.7.4 SSL隧道加密TCP-Server
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- 1.7.3 固定包头+包体协议自动分包
- 1.7.3 onTask直接return取代finish函数
- 1.7.2 swoole_process多进程模块的使用
- 1.7.2 task进程使用消息队列
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- 内核参数调整
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- 常见问题
- 升级swoole版本的常见问题
- 生成可分发的二进制swoole版本
- Connection refused是怎么回事
- Resource temporarily unavailable [11]
- Cannot assign requested address [99]
- pcre.h: No such file or directory
- 在phpinfo中有在php-m中没有
- swoole与node.js相比有哪些优势
- swoole与golang相比有哪些优势
- my_global.h: No such file or directory
- Server
- 函数列表
- swoole_server::__construct
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- swoole_server::on
- swoole_server::addListener
- swoole_server::addProcess
- swoole_server::listen
- swoole_server::handler
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- swoole_server::shutdown
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- swoole_server::after
- swoole_server::clearTimer
- swoole_server::close
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- swoole_server::sendfile
- swoole_server::sendto
- swoole_server::sendwait
- swoole_server::sendMessage
- swoole_server::connection_info
- swoole_server::connection_list
- swoole_server::bind
- swoole_server::stats
- swoole_server::task
- swoole_server::taskwait
- swoole_server::finish
- swoole_server::heartbeat
- swoole_get_mysqli_sock
- swoole_set_process_name
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- swoole_server的3种运行模式介绍
- swoole_server中对象的4层生命周期
- 在worker进程内监听一个Server端口
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- 为什么不要send完后立即close
- 如何在回调函数中访问外部的变量
- swoole_server中内存管理机制
- 是否可以共用1个redis或mysql连接
- 关于onConnect/onReceive/onClose顺序
- 压力测试
- Nginx/Golang/Swoole/Node.js的性能对比
- 并发10万TCP连接的测试
- 预定义常量
- php.ini选项
- Client
- 方法列表
- swoole_client::__construct
- swoole_client::set
- swoole_client::on
- swoole_client::connect
- swoole_client::isConnected
- swoole_client::getsockname
- swoole_client::getpeername
- swoole_client::send
- swoole_client::sendto
- swoole_client::sendfile
- swoole_client::recv
- swoole_client::close
- 属性列表
- swoole_client::$errCode
- swoole_client::$sock
- 并行
- swoole_client_select
- TCP客户端异步连接
- SWOOLE_KEEP建立TCP长连接
- Process
- 方法列表
- swoole_process::__construct
- swoole_process::start
- swoole_process::name
- swoole_process::exec
- swoole_process::write
- swoole_process::read
- swoole_process::useQueue
- swoole_process::push
- swoole_process::pop
- swoole_process::close
- swoole_process::exit
- swoole_process::kill
- swoole_process::wait
- swoole_process::daemon
- swoole_process::signal
- AsyncIO
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- swoole_async_writefile
- swoole_async_read
- swoole_async_write
- swoole_async_dns_lookup
- EventLoop
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- swoole_event_exit
- swoole_event_wait
- swoole_event_write
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- swoole_timer_tick
- swoole_timer_after
- swoole_timer_clear
- Memory
- Lock
- swoole_lock::__construct
- swoole_lock::lock
- swoole_lock::trylock
- swoole_lock::unlock
- swoole_lock::lock_read
- swoole_lock::trylock_read
- Buffer
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- swoole_buffer::append
- swoole_buffer::substr
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- swoole_buffer::expand
- swoole_buffer::write
- Table
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- swoole_table::create
- swoole_table::set
- swoole_table::incr
- swoole_table::decr
- swoole_table::get
- swoole_table::del
- swoole_table::lock
- swoole_table::unlock
- 常量列表
- HttpServer
- swoole_http_server
- swoole_http_server::on
- swoole_http_server::start
- swoole_http_server::setGlobal
- swoole_http_request
- swoole_http_request::$header
- swoole_http_request::$server
- swoole_http_request::$get
- swoole_http_request::$post
- swoole_http_request::$cookie
- swoole_http_request::$files
- swoole_http_request::rawContent
- swoole_http_response
- swoole_http_response::header
- swoole_http_response::cookie
- swoole_http_response::status
- swoole_http_response::gzip
- swoole_http_response::write
- swoole_http_response::end
- 常见问题
- CURL发送POST请求服务器端超时
- WebSocket
- 回调函数
- onHandShake
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- onMessage
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- swoole_websocket_server::push
- 预定义常量
- 高级
- Swoole的实现
- Reactor线程
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- Reactor、Worker、Task的关系
- Task/Finish特性的用途
- C/C++开发者如何使用Swoole
- 在php-fpm或apache中使用swoole在php-fpm或apache中使用swoole
- Swoole异步与同步的选择
- TCP/UDP压测工具
- swoole服务器如何做到无人值守100
- MySQL的连接池、异步、断线重连
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- Swoole社区
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- 附录：Linux信号列表
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- 附录：TCP连接的状态
- 附录：tcpdump抓包工具的使用
- 附录：strace工具的使用
- 附录：编译PHP扩展的相关工具
- 备用：已移除的历史特性
- onMasterConnect
- onMasterClose
- 历史：版本更新记录
- v1.5
- v1.6
- v1.7
- v1.7.5
- v1.7.6
- v1.7.7
- v1.7.8
- v1.7.9
- v1.7.10
- v1.7.11
- Swoole-framework
- 开发指南
- 安装Swoole框架和扩展
- 数据库Model类
- model::get
- model::set
- model::del
- model::put
- model::gets
- model::sets
- model::dels
- model::all
- model::count
- model::exists
- model($model_name)
- table($table_name)
- 数据库ORM接口
- Socket网络开发
- TCP服务器
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- Nginx+Swoole服务器配置
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- 控制器Controller
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- Database
- Swoole\Database::insert
- 框架规范
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- http_server
- app_server
- soa_server
- websocket_server
- comet_server
- 配置文件