Part 2 handles semaphores and events.

第2部分处理的是信号量与事件。

Timeout: Win32 event semaphores support timed wait.

超时：Win32事件信号支持定时等待。

Between processes, System V semaphores can be used.

在进程之间，可以使用System v信号量。

Optimizing server performance: Semaphores (Part 2).

优化服务器性能：Semaphores(第2部分)。

Optimizing server performance: Semaphores (Part 1).

优化服务器性能：Semaphores(第1部分)。

Nsems is the number of semaphores in the semaphore set.

nsems是这个信号量集中信号量的数量。

The next article in this series will cover semaphores.

本系列的下一篇文章将阐述信号量。

A text file showing the semaphores that were contended for.

一个文本文件，显示被争用的信号量。

Type of semaphore: Windows provides named and unnamed semaphores.

信号量的类型：Windows提供了有名(named)信号量和无名(unnamed)信号量。

Named semaphores extend the synchronization between processes.

有名信号量可以在进程之间进行同步。

Basic knowledge of semaphores, Mutex, and threads are required.

基本知识信号量，互斥和线程是必需的。

Linux POSIX semaphores use sem_post to post an event semaphore.

Linux POSIX信号量使用sem_post来发出一个事件信号量。

max number of arrays (semmni) * max semaphores per array (semmsl)

数组的最多个数 (semmni) * 每个数组的最多信号量个数 (semmsl)

Linux POSIX semaphores use sem_destroy to destroy the unnamed semaphore.

Linux POSIX信号使用sem_destroy来销毁无名称的信号。

Type of semaphore: Win32 supports both named and un-named event semaphores.

信号的类型：Win32 既支持有名称的事件信号，也支持无名称的事件信号。

It should be noted that the maximum semaphores systemwide (semmns) is equal to.

注意，系统范围内最多信号量个数(semmns)等于。

Other systems: the gestures that mimes use, semaphores, are all semiotic systems.

其他的系统，比如手势，模仿，信号，他们都是符号系统。

On Linux, POSIX semaphores are used only between the threads of same process.

在 Linux 上，在相同进程的不同线程之间，则只使用 POSIX 信号量。

Listing 22 USES POSIX semaphores to implement synchronization between threads a and b.

清单22使用POSIX信号来实现线程a和B之间的同步。

You can also see the reduction in the semaphores in this production workload with Domino 7.

您还可以看到使用Domino 7后此生产工作负载中信号量的减少。

Interprocess communication is not allowed. This includes pipes, semaphores, and Shared memory.

进程内通讯不可以。这包括管道，信号，和共享内存。

Specifically, semaphores ensure that a server completes certain tasks before it begins other tasks.

具体地说，信号量确保服务器完成某些任务，然后再开始其他任务。

Switch arrows and signals of semaphores and transport costly presents from one station to another.

开关箭头及信号的信号量和运输费用昂贵礼物，从一站到另一。

Part 2 in the series covers synchronization objects and primitives, starting with semaphores and events.

系列的第2部分介绍了同步对象和原语，首先是信号量和事件。

Refer to the section on semaphores in this article for the prototype for each of these System V semaphores.

关于每个 System V 信号量的原型，请参阅本文中有关信号量一节的内容。

Linux POSIX semaphores use sem_wait to suspend the calling thread until the semaphore has a non-zero count.

Linux POSIX信号使用sem_wait来挂起发出调用的线程，直到信号拥有了非零的计数值。

The various points that needs to be considered for semaphores during the mapping process are as follows

在对进程进行映射时，我们需要考虑以下问题

A real application would use semaphores or other techniques to control reading and writing to the Shared segment.

真实的应用程序会使用信号量或其他技术控制对共享内存段的读写。

Semaphores allow synchronization of processes by testing and setting the integer value in a single atomic operation.

信号允许进程通过一个单一的原子操作来测试和设置那个整数的值，以此实现同步。