interrupt-handling

Perl: How to add an interrupt handler so one can control a code executed by mpirun via system()?

We use a cluster with Perceus (warewulf) software to do some computing. This software package has wwmpirun program (a Perl script) to prepare a hostfile and execute mpirun: # ... system("$mpirun -hostfile $tmp_hostfile -np $mpirun_np @ARGV"); # ... We use this script to run a math program (CODE) on several nodes, and CODE is normally ...

what is the best way to stop a thread in java?

I would like to stop a thread in mid execution. From reading around, I am of the thought I will have to check a local variable to determine if the thread should continue or clean up and exit run(). Any ideas of cleanly implementing this? ...

What happens if I disable an interrupt inside of its ISR?

What happens if you disable an interrupt inside that interrupt's ISR? For example, if I am transmitting data over USART from a buffer and that buffer runs out of data then I want to stop transmitting temporarily, so after sending the last byte in the buffer, I disable the interrupt. (This is on a PIC18F4580) The datasheet for the PIC18...

Some sort of Ruby "Interrupt"

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 ...

difference between software interrupt and signal

"Software interrupts are delivered using signals" Is this always true, if not then a) what is the difference between two If yes, is there some other mechanism, by which software interrupts are raised, other than delivering signals. ...