system call

1. This system call returns a file descriptor.
   这个系统调用返回一个文件描述符。
2. Figure 12 shows the important calls that occur when the close system call is issued by a TCP application.
   图12显示了TCP应用程序发布close系统调用时发生的重要调用。
3. The Linux system call interface provides the means for user-space applications to invoke kernel functionality.
   Linux系统调用接口提供了用户空间应用程序调用内核功能的方法。
4. Update the system call table for the new function.
   针对这个新函数更新系统调用表。
5. The listen system call calls solisten with the socket descriptor and backlog values specified in the listen call.
   listen系统调用使用套接字描述符和listen调用中指定的backlog值调用solisten。
6. The send() system call returns, creating the fourth context switch.
   send（）系统调用返回，结果导致了第四次的上下文切换。
7. This provides the system call interface that connects to the kernel and provides the mechanism to transition between the user-space application and the kernel.
   它提供了连接内核的系统调用接口，还提供了在用户空间应用程序和内核之间进行转换的机制。
8. The connect system call is normally called by the client process to connect to the server process.
   客户端进程通常调用connect系统调用，以连接到服务器进程。
9. We must get the svc number of a system call before we intercept it.
   在拦截系统调用时，我们必须先获得它的svc编号。
10. The fork ( 2) system call creates a new process.
    fork（2）系统调用创建一个新进程。
11. The bind system call associates a local network transport address with a socket.
    bind系统调用将本地网络传输地址与套接字关联。
12. Access to the log buffer is provided at the core through the multi-purpose syslog system call.
    多用途的syslog系统调用提供了内核的日志缓冲区访问方法。
13. In order to initialize the semaphore-set data structure, use the semctl() system call with the IPC_SET command.
    为了对信号量集数据结构进行初始化，可以使用IPCSET命令来调用semctl（）系统调用。
14. In this example, you modify your last script slightly to collect system call data for a single process.
    在这个例子中，您稍微修改了上一个脚本，让它收集一个进程的系统调用数据。
15. A system call is an interface between a user-space application and a service that the kernel provides.
    系统调用就是用户空间应用程序和内核提供的服务之间的一个接口。
16. At the top is the system call interface, which implements the basic functions such as read and write.
    最上面是系统调用接口，它实现了一些基本的功能，例如read和write。
17. The system call interface can be described from two perspectives.
    系统调用接口可以从两个角度进行描述。
18. In Linux, the kernel parameters can be changed using sysctl system call.
    在Linux中，内核参数可以使用sysctl系统调用进行修改。
19. The parameters can be configured using the/ sbin/ sysctl system call.
    可以使用/sbin/sysctl系统调用来配置这些参数。
20. The previous section explored a simple script to monitor the sync system call.
    前一个小节探索了一个监控sync系统调用的简单脚本。
21. This system call terminates the process of id PID.
    这个系统调用会终止id为PID的进程。
22. The Linux system call setpriority() is used to set or modify priority levels for normal processes and threads.
    使用Linux系统调用setpriority（）来设置或者修改普通进程和线程的优先级层次。
23. The Linux kernel provides several functions that you can use to move system call arguments to and from user-space.
    Linux内核提供了几个函数，可以用来将系统调用参数移动到用户空间中，或从中移出。
24. You must also consider the overhead of system call tracing.
    您还需要考虑系统调用跟踪本身的开销。
25. This system call sends control code and other data to a specified device.
    这个系统调用向指定设备发送控制代码和其他数据。
26. Now, let's write a simple user space program to execute and test this new system call.
    现在，让我们写些个简单的用户空间程序，运行和测试一个这个新的系统调用。
27. A system call that should never fail has failed.
    从来不应失败的系统调用失败了。
28. Research on Anomalous Detection Technology Based on System Call and Context
    基于系统调用和上下文的异常检测技术研究
29. Count time, calls, and errors for each system call and report a summary on program exit.
    为每个系统调用计算次数、调用和错误，在程序退出时报告结果。
30. This paper presents a remote system call mechanism for expanding local operating system functions, and then discusses its structure and the key techniques.
    提出了一种扩展本地操作系统功能的远程系统调用机制，并论述了其结构和关键技术。

noun

1. an instruction that interrupts the program being executed and passes control to the supervisor

   Synonym:    supervisor call instruction