UNIX/Linux Programming - February 2020

When to start counting (to test module load time)
Hi, I made a c program to load a module and create a /proc file that will show the number of seconds since the module has been loaded. (Theoretically, at thi...
Feb 29, 2020 at 3:10am
[2 replies] Last: Thank you. And it was right! I was pleasantly surprised. (by jjordan33)
timeout on write() for linux pipe
How can I set timeout for write() on linux pipe ? example code: int fd_pipe = open("/run/some/pipe", O_RDWR); // here i need to set timeout for 3 secon...
Feb 25, 2020 at 12:21am
[4 replies] Last: That isn't what you asked for. You asked for a write timeout. That c... (by kbw)
by elb
unix C++ solution to getch() question
This post asks about the equivalent of getch() from <conio.h>. http://www.cplusplus.com/forum/unices/264588/#msg1140069 As was mentioned in that thread (now ar...
Feb 22, 2020 at 8:14am
[3 replies] Last: You need to test if the input stream has anything to read. You can do... (by kbw)
Fork and execute (1,2)
Hi, so I'm slowly trying to wrap my head around creating my own shell simulator. As far as I can understand it, the general steps are to: loop driver to contin...
Feb 18, 2020 at 10:22pm
[20 replies] Last: Thanks for responding to this! I always want to know how to better cod... (by jjordan33)
error linking boost library to cmake
I am trying to link boost library to my c++ project using cmake. Here is the cmakelists.txt file: cmake_minimum_required(VERSION 3.2) project(deye) find_pack...
Feb 14, 2020 at 12:21pm
[1 reply] : you are not linking against boost libraries target_link_libraries(${... (by ne555)
making member required
I have a struct : struct Vector { vector<pair<int,int>> pnts; int ind; } When i use this struct how do i make it such that the ind also have to be specifie...
Feb 10, 2020 at 10:48pm
[1 reply] : It's hard to figure out what you are trying to do. Could you give us ... (by elb)
by FoxMan
XML booleans and loops proccesed on C++
I have an XML file that contains a structure with loops and booleans expressions, but as this XML file is always changing, as the data comes from a user-defined...
Feb 4, 2020 at 11:33pm
[1 reply] : I need to interpret this Right: there's your starting place. There ... (by mbozzi)
Run batch file from a c progam in linux
Hi, this is going to sound like a pointless question since it should be easily tested myself, but here me out first. Can you use the following command in a ...
Feb 4, 2020 at 4:57am
[9 replies] Last: You're correct. I was confused about directions. (by jjordan33)
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