10 More Discussions You Might Find Interesting
Hello I want to know how can i use signal function in c for keyboard interrupt handling. what i exactly want is : my program is processing and if i press any key while processing , the program should call the interrupt and displays/prints that key and now goes back to processing.
I added the... (5 Replies)
Discussion started by: Jahanzeb
A program have to receive signals and work agreed with it, but the process have to receive more than one signal when it is attending other. Those have to be queued to be attended later recived.
how can i do that?
thanks. (2 Replies)
Discussion started by: marmaster
3. Shell Programming and Scripting
I have Master script, Main script ,and 4 Child script.
/export/home/user/Child4.sh &I run only Master.sh script... (1 Reply)
Discussion started by: almanto
I want to catch all signals that my program receives print their name and then execute the default handler.
Can you help me on that?
I've tried the following code:
void (*hnd)(int i);
char signals =
"SIGHUP",... (7 Replies)
Discussion started by: dark_knight
5. Shell Programming and Scripting
I have a script which invoke a java program, because the program requires file as input, hence the script would sleep a X seconds then check for file existence, if the file exists then program is invoker else, keep waiting until the time is up. My problem is that if there is a way to find out if my... (1 Reply)
Discussion started by: mpang_
6. Shell Programming and Scripting
Who can explain the meaning of the &2 &1 or @, #, etc in the script?
Is there any document which can explain the usage of these words in details?
ls /etc/sysconfig/network > /dev/null 2>&1
bash, ksh and sh.
Thanks in advance for ur advice. (1 Reply)
Discussion started by: GCTEII
7. UNIX for Advanced & Expert Users
I'm doing a project of OS simulation (Process Scheduling, to be very specific). Can anyone, please, explain what exactly happens in the background when we see "Sending all processes the KILL signal...........". How is it sent to each process? Is it that something like a boolean is stored... (3 Replies)
Discussion started by: ameya
8. UNIX for Advanced & Expert Users
We have WebSphere MQ running on AIX 5.1
Every weekend MQ receives a kill -30 signal from some process or user and offloads a big error file. There is no way in MQ through which that process can be tracked.
Is there something which i can do on UNIX level to trap the process?
Best... (3 Replies)
Discussion started by: jhaavinash
Is there a variable or built in function in the Unix env. for me to obtain the name of a signal that is caught? As far as I understand only a numeric value of the signal is returned to the handler.
void handler (int signum)
... (2 Replies)
Discussion started by: laila63
10. UNIX for Dummies Questions & Answers
when I execute a script on unix AIX, I've got an error message:
"Execution: 85328 Signal d'alarme".
If I edit this file with "vi", I ve got the same error after a while (about 1 minute).
If I try with another user I still have the problem.
But if I rename this file, no problem.
My... (5 Replies)
Discussion started by: cgsteph