Has linux message structure like windows?

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Hi,
I know windows system programming. In Windows, we can implement all Inter-process Communication(IPC) methods like DDE, Clipboard, Pipe, Mailslot,... with messaging. I read somewhere that windows has message-based structure. In windows, every process has a message queue that it can contain any messages about one of the IPC methodes.
Is linux message-based like something that I explained about windows? Can I intercept messages in linux?

Posted 24-Nov-14 1:26am

Raheleh14

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Sergey Alexandrovich Kryukov · Answer 1 · 2014-11-24T05:35:00

On Linux, as on all other Unix-like OS, windowed sub-system with messaging is based on X Window: http://en.wikipedia.org/wiki/X_Window_System[^].

Now, a particular system may of may not include X Window System, as well as other sub-systems based on it. Unix and Linux is not anything fixed. Also, a particular Linux distro also is not the indication of any particular windowed sub-system configuration, which may vary; for example, Ubuntu server does not have it, and there are variations of desktop Ubuntu preferring different desktop enviromnents; even if some distro is already installed, the desktop environment can be later replaced.

A particular system is the superposition of a number of optional components, such as X-Window, a desktop environment on top of that, such as GNOME, KDE or Unity. Please see:
http://en.wikipedia.org/wiki/Desktop_environment[^].

These layers do not belong to any particular Linux distro but are shared by many of them. At the same time, different distro provide different sets of those layers and typically offer the optional sets of features.

—SA

E.F. Nijboer · Answer 2 · 2014-11-24T01:47:00

Solution 1

The common mistake most people make. Windows is the name as the os and also of the distribution. In the linux world is is more clear that for example Ubuntu is a distribution of a Linux OS. There are several implementations for messaging available. Have a look at the wiki:
http://en.wikipedia.org/wiki/Event_loop#Xlib_event_loop[^]

Good luck!

Posted 24-Nov-14 1:47am

E.F. Nijboer

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Sergey Alexandrovich Kryukov 24-Nov-14 11:38am

This is a good point, about the most common mistake. But the readers can be mislead by your mention of distributions. In fact, there are layers in UI window sub-system shared by different distros. Please see my Solution 2 where I tried to clarify this point.
—SA

E.F. Nijboer 24-Nov-14 12:41pm

Mentioning distributions could indeed be somewhat misleading. I didn't have time to elaborate as much as you did ;-)

Sergey Alexandrovich Kryukov 24-Nov-14 13:43pm

:-)

CPallini · Answer 3 · 2014-11-24T05:43:00

Solution 3

Short answer: no, Linux has not the same message infrastructure Windows provides. On the other hand, Linux does provide many IPC facilities.

Posted 24-Nov-14 5:43am

CPallini