Call a constructor or allocate an object in-place
Since I joined Dell, my main field of research and work has somewhat changed. Now I am mostly working with C++ and file-systems. This world is not entirely new to me, but apparently I have a lot of...
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My next programming language
This week-end I’ve been playing with various version control systems. Until now, I’ve been doing all my home codings with subversion. I’ve written about bazaar in the past, but it seems to me that...
View Articlepthread_exit() in C++
Today I ran into an interesting problem that I would like to share. I am working on multi-threaded code in C++. Here’s what happened. I started a thread that looks like this: try { do_something() }...
View ArticlePython for bash replacement
When I started learning Python, I was looking for a programming language that would replace BASH, AWK and SED. I am a C/C++ programmer and as such I better invest my time into studying C and C++....
View ArticleModels for multithreaded applications
As you know, I changed a couple of workplaces during my career. Long story short, one interesting thing that I noticed in different companies is various models for multi-threaded programs (mostly for...
View ArticleMaking writes durable – is your data on disk?
Here is an interesting article written by Evan Jones. The article explains how you can be guaranteed when your data is on disk. In case you’re wondering, when write(), fwrite() or any other library...
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UML cheatsheet
Every once in awhile, I have to draw a UML diagram. I rarely do serious designs with UML, however sometimes I do need to depict some piece of code in a diagram and UML seems to be the best notation...
View Articlegcc macro language extensions
One of the great things about gcc and in particular its C/C++ preprocessor is various extensions that it has. In this post I would like to briefly describe three of them. One allows to turn C/C++ token...
View Articleprintf() vs stream IO in C++
Before joining Dell I was mostly working in kernel writing in C programming language. At Dell I still work on mostly low level stuff, but this time it is user-mode, so I am not tied up to C anymore....
View ArticleWhy you need a mutex to protect an int
This is a follow up on my previous post about need to protect access to even simplest variables when working in multi-threaded environment. In this post I would like to explain what’s going on under...
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