文件名称:linux
- 所属分类:
- Internet/网络编程
- 资源属性:
- [C/C++] [源码]
- 上传时间:
- 2014-06-09
- 文件大小:
- 1kb
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- 0次
- 提 供 者:
- wench******
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设计并实现Unix的“time”命令。“mytime”命令通过命令行参数接受要运行的程序,创建一个独立的进程来运行该程序,并记录程序运行的时间。在Linux下实现:
◦ 使用fork()/execv()来创建进程运行程序
◦ 使用wait()等待新创建的进程结束
◦ 调用gettimeofday()来获取时间
-Design and implementation of Unix " time" command. " Mytime" command from the command line arguments accepted to run the program, create a separate process to run the program, and record the program running time. In the Linux implementation: ◦ Use fork ()/execv () to create a process to run the program ◦ Use wait () to wait for the end of the newly created process ◦ call gettimeofday () to get the time
◦ 使用fork()/execv()来创建进程运行程序
◦ 使用wait()等待新创建的进程结束
◦ 调用gettimeofday()来获取时间
-Design and implementation of Unix " time" command. " Mytime" command from the command line arguments accepted to run the program, create a separate process to run the program, and record the program running time. In the Linux implementation: ◦ Use fork ()/execv () to create a process to run the program ◦ Use wait () to wait for the end of the newly created process ◦ call gettimeofday () to get the time
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linux.c