Step four: the write system call returns, creating our fourth context switch.
步骤四：系统调用返回，导致了第4次上下文切换。
Step three: the write system call causes a context switch from user mode to kernel mode.
send() 套接字调用引发了从用户模式到内核模式的上下文切换。
Then, it describes the design and implementation of the read-write system for SmartLabel.
描述了智能标签读写系统的设计和实现。
Similarly, functions such as printf and fprintf invoke the write system call to do their work.
类似地，printf和fprintf这样的函数调用write系统调用完成其工作。
Your write system call will be interrupted by the bus error signal SIGBUS, because you performed a bad memory access.
此时write系统调用会被进程接收到的SIGBUS信号中断，因为当前进程访问了非法内存地址。
This paper presents how to write system record program about Windows information, on-off time and button information.
介绍系统的窗口信息、关机时间及按键信息的记录程序编制。
Also note that the result of the write system call is the number of characters written — in this case, 17 plus one carriage return.
还可以注意到，write系统调用的结果是写入字符的个数数目，在这个示例中为17加上一个回车。
By doing this the write system call returns with the number of bytes it wrote before it got interrupted and the errno set to success.
在这样处理方式下，write系统调用返回被信号中断前已写的字节数，并将errno全局变量设置为成功。
Step two: the write system call causes the kernel to copy the data from the original kernel buffers into the kernel buffers associated with sockets.
步骤二：write系统调用导致内核将数据从内核缓冲区复制到与socket相关联的内核缓冲区中。
The program text and data segments now need to get written into the mem file, either using the write system call, or by mapping the file into the process address space.
程序的文本和数据段现在需要写入到mem文件中，这可以使用write系统调用，或者通过将该文件映射到该进程的地址空间中实现。
To learn his system, people must first know how to write letters of the alphabet and learn which sounds they represent.
为了学习他的系统，人们必须首先知道如何书写字母表中的字母，并学习它们的发音。
The signs they used were very easy to write, and there were fewer of them than in the Egyptian system.
他们使用的符号很容易书写，而且比埃及的符号要少。
They compare this situation to the time when developers had to seemingly write operating system level code to handle "multi-tasking" or "virtual memory management".
他们将这种情形比作开发者似乎不得不要书写操作系统级别代码来处理“多任务”或“虚拟内存管理”的时代。
You will create and write files on one system and then read those same files on a different system.
您将在一个系统上创建并写入文件，然后在其他系统上读取相同的文件。
If you are willing to sacrifice some integrity in the event of a system failure, for better write performance you can increase these values.
如果愿意在发生系统故障时牺牲一定的完整性，以此换取更好的写操作性能，可以提高这个值。
Once the standby system receives the log write, it sends acknowledgements to the primary.
备用系统收到日志写后，将确认通知发送到主系统。
Some modern laptop hard drives have an even nastier habit of throwing away their write cache whenever the system is rebooted or suspended.
一些新式膝上电脑的硬盘有一个更令人讨厌的习惯：每当重新引导或暂挂系统，就丢弃它们的写高速缓存。
I use it to write some small system administration tools, but I don't do much system administration any more.
我用它编写一些小型系统管理工具，但我几乎不再做系统管理工作。
The data area classes are used to read, write, create, and delete data areas on the system.
数据区域类用于在系统上读取、写入、创建和删除数据区域。
A computer scientist may not fabricate her own ICs, and may not write her own compiler and operating system.
一个计算机科学家可能不会编制他自己的集成电路，也可能不会写自己的编译器和操作系统。
In GAE, you can't write files to disk because there's no useable file system.
在GAE 上，您是无法将文件写入到磁盘的，因为 GAE根本没有可用的文件系统。
This pattern is very simple: write a test against your system as you would if the behavior were not implemented with aspects.
这个模式非常简单：就像行为没有实现方面那样为系统编写一个测试。
A program can also read and write data into the user Spaces on the system.
也可以通过程序在系统的用户空间中读写数据。
The standby system does not write the log until it hears from the primary that that the same log is on disk there.
而备用服务器直到从主服务器收到消息，得知它磁盘上具有相同的日志，才写入该日志。
Offline backup can also be performed without bringing the database system offline by freezing the system (blocking all write operations) while copying the database directory.
也可以在数据库系统没有离线的情况下执行离线备份，方法是当复制数据库目录的时候冻结系统（阻塞所有写操作）。
You can't expect the community that wants to use the polling system to write SQL statements to manage the questions and answers in the tables.
您不能期望使用投票系统的公众编写sql语句来管理表中的问题和应答。
A common beginner mistake, however, is to underestimate the time needed to write an operating system from scratch.
刚开始开发的人，通常会犯这样一个错误- - - - - - -会低估从无到有开发一个操作系统需要的时间长度。
This presented significant staffing challenges: How could system analysts write use cases while supporting developers and testers involved in previous evolutions?
这表现出重大的人员供给难题：系统分析师如何在支持前面演进中所涉及的开发人员和测试人员的同时书写用例？
Write the actual and expected system behavior as a series of bullet points on a story card or on a wiki.
在一个用户故事卡片或者wiki上，以列举要点的形式，把对系统行为的期望结果和实际结果记录下来。
You can use a system tool like useradd or write your own scripts.
您可以使用诸如useradd这样的系统工具或编写自己的脚本。
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