How can I know if a process is running?
This is a way to do it with the name: You can loop all process to get the ID for later manipulation:
process
CreateProcess error=2, The system cannot find the file specified
Assuming that winrar.exe is in the PATH, then Runtime.exec is capable of finding it, if it is not, you will need to supply the fully qualified path to it, for example, assuming winrar.exe is installed in C:/Program Files/WinRAR you would need to use something like… Personally, I would recommend that you use ProcessBuilder as it has some additional configuration abilities amongst other things. Where possible, you … Read more
How to make parent wait for all child processes to finish?
I’m hoping someone could shed some light on how to make the parent wait for ALL child processes to finish before continuing after the fork. I have cleanup code which I want to run but the child processes need to have returned before this can happen.
Taskkill /f doesn’t kill a process
When I start up an Experimental instance of VS from VS for debugging and stop debugging (sometimes directly from the parent VS), a zombile devenv.exe process remains running which I am unable to kill. It holds on to many of my dlls. As I am logged onto this 64bit Win7 machine as Administrator, I would … Read more
How to pause / sleep thread or process in Android?
One solution to this problem is to use the Handler.postDelayed() method. Some Google training materials suggest the same solution. However, some have pointed out that the solution above causes a memory leak because it uses a non-static inner and anonymous class which implicitly holds a reference to its outer class, the activity. This is a … Read more
Efficient way to find task_struct by pid
What’s wrong with using one of the following?
Find (and kill) process locking port 3000 on Mac
You can try netstat netstat -vanp tcp | grep 3000 For macOS El Capitan and newer (or if your netstat doesn’t support -p), use lsof lsof -i tcp:3000 For Centos 7 use: netstat -vanp –tcp | grep 3000
What is the difference between a process and a thread?
Both processes and threads are independent sequences of execution. The typical difference is that threads (of the same process) run in a shared memory space, while processes run in separate memory spaces. I’m not sure what “hardware” vs “software” threads you might be referring to. Threads are an operating environment feature, rather than a CPU … Read more
What is a “thread” (really)?
A thread is an independent set of values for the processor registers (for a single core). Since this includes the Instruction Pointer (aka Program Counter), it controls what executes in what order. It also includes the Stack Pointer, which had better point to a unique area of memory for each thread or else they will … Read more