A file descriptor is an unsigned integer used by a process to identify an open file.
Database II — Low level file access in C/C++ – FelixKlauke
The only file descriptors that should remain open when your program starts are the stdin, stdout, and stderr descriptors.
open a pipe /c++ fstream as return? - C / C++ - Byte
One or more of the file descriptor sets specified a file descriptor that is not a valid open file descriptor or specified a file.
Checking if a file descriptor is valid - C Board
File descriptor - Wikipedia
It seems that my system's select call has a limitation of 1024 open file descriptors.
File descriptors are often used in conjunction with file input and output.
Standard streams - Wikipedia
Looked at pipe() and popen(), but as they being from C they work with file descriptors or FILE pointers.
Getting error "bad file descriptor" in very simple open
c++ - POSIX/UNIX: How to reliably close a file descriptor
File descriptors are an index into a file descriptor table stored by the kernel.The kernel creates a file descriptor in response to an open call and associates the file descriptor with some abstraction of an underlying file-like object, be that an actual hardware device, or a file system or something else entirely.However it is not that clear for many people what file descriptors essentially.
read(2): read from file descriptor - Linux man page
You can open a file descriptor as non-blocking by adding a flag to the open(),.
In the traditional implementation of Unix, file descriptors index into a per-process file descriptor table maintained by the kernel, that in turn indexes into a.
6.1.3 File Descriptor Operations - Python
Linux Program to Open and Close a File using File Descriptors
Hi I have read Here that lsof is not an accurate way of getting the number of File Descriptors that are currently open.
_close | Microsoft Docs
recv() — Receive data on a socket - IBM - United States
Blocking and Non-Blocking I/0 - Linux Magazine | Open