It maintains the file descriptor state on the requested file descriptor set across system calls.
它跨系统调用在请求的文件描述符集上维护文件描述符状态。
In some cases, you can also map a file descriptor to a plain file or another device into memory.
在某些情况下，还可以把一般文件或另一个设备的文件描述符映射到内存。
Then, open the device driver and get the file descriptor.
然后打开设备驱动器并获取文件描述符。
Read the bytes with the file descriptor.
使用文件描述符读取字节。
There is no need to have each agent maintain its own file descriptor table.
这里不需要让每个代理维护它自己的文件描述符表。
It cannot respond to a file descriptor immediately when the data becomes ready.
当一个文件描述符上数据准备好时，它无法立即响应。
You might also know that the standard output (the screen) is a file descriptor, too.
您可能还知道，标准输出（屏幕）也是一个文件描述符。
To resolve this, once you create a temporary file atomically, you must always use the file descriptor or file stream you got when you opened the file.
解决这种问题的方法是，一旦自动创建了一个临时文件，就必须始终使用打开该文件时得到的文件描述符或文件流。
These events can be things like timers, signals, data ready for reading on a file descriptor, and so on.
这些事件可以是诸如计时器，信号，文件描述符上预备读取的数据，等等。
Monitoring applications may read event data from deleted monitor files while the file descriptor for the monitor file is still open but may not block for further event occurrences.
在监视器文件的文件描述符仍然打开的情况下，监视应用程序可以从删除的监视器文件读取事件数据，但是不再继续等待事件发生。
The file descriptor is merely an identifier for the process.
文件描述符只不过是进程的标识符。
Finally, a number refers to the application's file descriptor, which is an integer returned upon opening the file.
最后，数值表示应用程序的文件描述符，这是打开该文件时返回的一个整数。
After you wait for some amount of time, you start over again by repeatedly reading each file descriptor.
在等待一段时间之后，重新开始，重复读取每个文件描述符。
By using leasing on the file descriptor, you take a lease with the kernel on a particular file.
通过对文件描述符执行租借，可以同内核就某个特定文件达成租约。
A file descriptor is an integer that refers to an open file or device, and it is used for reading and writing.
文件描述符是指向打开的文件或设备的整数，并用于执行读取和写入。
This system call returns a file descriptor.
这个系统调用返回一个文件描述符。
To do this, each application opens the same file descriptor.
要做到这一点，每个应用程序都要打开相同的文件描述符。
The logical file system is also responsible for managing the kernel's open file table and the per process file descriptor information.
逻辑文件系统还负责管理内核的打开文件表和每个进程的文件描述符信息。
This means that the process doesn't know the file has been deleted; it can still read and write to the file descriptor it was granted when the file was opened.
这意味着，进程并不知道文件已经被删除，它仍然可以向打开该文件时提供给它的文件描述符进行读取和写入。
The file descriptor returned by a successful call will be the lowest-numbered file descriptor not currently open for the process.
调用成功将返回文件描述符，它是进程尚未打开的序号最小的文件描述符。
The file descriptor is used as the device handle.
文件描述符用作设备句柄。
The pollset interface creates and maintains a file descriptor set and its interested events in the native (kernel) pollset layer.
pollset接口在本机（内核）pollset 层中创建并维护一个文件描述符集和感兴趣的事件。
After user foo logs in to AIX, run the ulimit command to verify that his file descriptor limit is set to 1500.
在用户foo登录到AIX中之后，运行ulimit命令，以验证他的文件描述符限制是否设置为1500。
For every open() call, there will be exactly one release() call with the same flags and file descriptor.
对于每个open()调用来说，都必须有一个使用完全相同标记和文件描述符的release() 调用。
Is the system call that creates an inotify instance and returns a file descriptor referring to the instance.
是用于创建一个inotify实例的系统调用，并返回一个指向该实例的文件描述符。
After user foo logs in to AIX, run the limit command to verify that his file descriptor limit is set to 1000.
在用户foo登录aix之后，运行ulimit命令以验证他的文件描述符限制是否设置为1000。
This system call requires the file descriptor from shm_open and returns a pointer to memory.
这个系统调用需要shm_open返回的文件描述符，它返回指向内存的指针。
The pollset interface can perform best when the file descriptor set is not frequently updated.
在文件描述符集不需要频繁更新的情况下，最适合使用pollset接口。
The next unused file descriptor is returned if the call is successful; otherwise, -1 is returned and errno is set accordingly.
如果调用成功，返回下一个未使用的文件描述符；否则，返回 -1并相应地设置errno。
You later discovered that lsof shows the file descriptor of a process and the associated file name.
在随后的内容中，您看到了 lsof 可以显示进程的文件描述符和相关的文件名。
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