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Thanks a lot for your reply jim :)

I couldn't work on the code in these days,so now it's time to face the problem :)

After reading your reply and some internet resource i am pretty sure that i...

By the way....before you wonder about modality :)

I need this blocking capability because what i need is:
1)i want to copy/transfer several selected files to another location
2)if a file with...

Hi,
i remember that when programming for Windows i used the MessageBox function,which blocked my application until the user made his/her choice.
So,that function returned only after this choice.
...

Hmm i'm sorry....what do you mean? Can you make an example?

Another question:i have read somewhere that it's better not to call certain functions from within a signal handler function.What are...

Hi everybody,
i'm using a signal handler for the SIGCHLD signal.

void InstallNewSigChldHandler()
{
struct sigaction act;
struct sigaction oldAct;
act.sa_handler =...

Oops i forgot the 3rd question :)

If i use fork+exec,i get a zombie process when external program exits,which i treat with wait.
This didn't happen when i used "system" to run it.Why?

Hi,
in my program i need to run an external program in background.I am aware that there are at least 2 alternatives for this:
1)fork+exec
2)system("program &");

I have read several posts about...

Ok,i just wanted to make sure if there was some way to avoid the usage of a global variable/function

Hello,
i am using the sigaction function to handle the SIGCHLD signal.Is it possible to use a class member function as the handler function (the sa_handler member of the sigaction structure)?
The...

Hi everybody,
first of all i apologize if my thread's title doesn't make much sense,but i coudn't find a more appropriate name :)
Then i apologize about my question,which probably will sound...

Oh i'm such a newbie :) I got confused with the niceness concept,which has a reversed logic (higher number <=> higher niceness <=> lower priority)....

About your question:i honestly don't know...

Many thanks for your reply :)

The main app's priority is -2 with a ROUND_RR scheduling policy,and it must be run by root user,or it won't work (i cant change this).If i remember well,it's the...

An update: i found out about the "chrt" shell command. It actually did the job:i assigned to recordmydesktop a much lower priority,and now it doesn't hang the system anymore.

But....
1)Is this...

Hello,
in the application i'm writing i need to launch "recordmydesktop" to capture the screen,but i'm having a problem: when the recording stops,and the encoding of the saved file starts,the entire...