I have an arborescence of scripts which are controlled by a main one I want to trap the signal ctrl-c in the main script and propagate it to the others The other scripts should trap this signal as well ( from the main script ) and do some clean-up ... I have tried to send kill -s SIGINT to the children, but they seem they are unable ...
What is the simplest code in perl to monitor trap from any devices such as UPS, Rectifier, AirCond etc. In example we want to monitor temperature, server room humidity, aircond level etc. Each devices such as UPS, there are SNMP card inside and then we put out trap server IP address. Currently I am using snmptt open software application....
on Linux ext3 filesystem, what happens if mv() is called on the same file (file descriptor) while reading the file? It is actually an exam question and I can only say something like: CPU traps OS for interrupt handling etc, etc. I would appreciate if OS guys out there can help me out, please :D ...
Hi, I have an ActiveX control inside a WinForms user control. My WinForms app loves it! Now, moving over to WPF, I use the user control in a WindowsFormsHost control. Works great..., but I want to treat this control as a single element so the user can neatly hit TAB over the existing WPF controls AND this user control NOT to 'go inside'...
When I use the "trap" command in bash, the previous trap for the given signal is replaced. Is there a way of making more than one trap fire for the same signal? ...
How can i send snmpv2 traps from Java application. I tried to do example on snmp4j, but it didn't work. Thanks a lot! ...
Hi, In 32 bits mode programming I used to employ int 3 in my programs a lot for stopping at a given location with the debugger (embedding the instruction in the source). Now in 64 bits it seems to not be working, producing a very ordinary SIGSEGV under gdb and destroying the program beyond hope ("Program terminated with signal SIGSEGV,...
I'm desperately searching for a way to generate SNMP traps from PHP. I know the build in methods to use snmpget but I was not able to figure out how to send SNMP traps. Does anybody know a class / code snippet for it? Searching the web did not bring up anything other than using exec to call cli tools which is definately no option for me...
Hi, I have a bash function that is called must be called by an EXIT trap after the first time that it is called. The function sets the trap again to fire as soon as the function exits. echo 0 > .i function launchNextExperiment { ( # Run in nested subshell # Implement a mutex lock, not shown j=`cat .i` if [ $j -lt $k ] then t...
So here's what I'm doing -- I have a ruby script that prints out information every minute. I've also set up a proc for a trap so that when the user hits ctrl-c, the process aborts. The code looks something like this: switch = true Signal.trap("SIGINT") do switch = false end lastTime = Time.now while switch do if Time.now.min ...
I am new to SNMP and have troubles understanding the SNMP requirements of a Java application I am required to implement. I am using openDMK to provide the SNMP support. Please excuse any brutal ignorance in my questions. I have read the RFC specs, but most of the text appear to be gibberish to me. One requirement is that "SNMP suppor...