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1 File Descriptors In Linux – LinuxForDevices

  • Author: linuxfordevices.com
  • Published Date: 06/27/2022
  • Review: 4.82 (943 vote)
  • Summary: · File Descriptors are non-negative integers that act as an abstract handle to “Files” or I/O resources (like pipes, sockets, or data streams)

2 UNIX File Descriptors

  • Author: users.cs.jmu.edu
  • Published Date: 07/20/2022
  • Review: 4.62 (242 vote)
  • Summary: File Descriptor Table: Flags controlling the operation of the file descriptor; A pointer/reference to the open file table · Open File Table: The status flags 

3 File Descriptors – CS 61

  • Author: cs61.seas.harvard.edu
  • Published Date: 10/13/2021
  • Review: 4.53 (570 vote)
  • Summary: A file descriptor is the Unix abstraction for an open input/output stream: a file, a network connection, a pipe (a communication channel between processes), 
  • Matching search results: The Unix error convention is that system calls return -1 on error. A global variable, int errno, is then set so the program can tell what kind of error occurred. The <errno.h> header file defines symbolic names for specific error conditions. …

4 3 File Descriptors – Computer Science from the Bottom Up

  • Author: bottomupcs.com
  • Published Date: 06/05/2022
  • Review: 4.38 (272 vote)
  • Summary: 3 File Descriptors … The standard files opened with any UNIX program. … This raises the question of what an open file represents. The value returned by an open 
  • Matching search results: The Unix error convention is that system calls return -1 on error. A global variable, int errno, is then set so the program can tell what kind of error occurred. The <errno.h> header file defines symbolic names for specific error conditions. …

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