Sandeep Arya wrote: > My query is. Is this possible that my main thread and my newly born > thread will execute their task simultaneously/parallel. (I read that > Python interpretor allows only one thread execution at a time. Using its > global lock. And switch among active thread based on time set by > setSwitchTime() function.. Is this correct?)
Where did you see something about a setSwitchTime() function? Anyway, the statement about Python allowing "only one thread execution at a time" is wrong (allowing for the possibility of misunderstanding given that it's grammatically incorrect, so you might have meant something other than what I understand it as). By definition, threads simulate "parallel units of execution", so certainly threads (in almost any system) appear to execute simultaneously. In practice, of course, if you have only a single CPU then only one thing at a time can be happening (things like interrupts aside), and in an interpreter like Python's the same thing applies at a higher level: only one "bytecode" instruction at a time can be executing. Nevertheless, threads in Python certainly "appear" to execute in parallel, whether you have two or ten, and the details are generally transparent at the level you are interested in... > I just wannn know what is lifetime of thread. A threads runs until it ends... > As I was planning to > implement one function such that: > > 1.0 function starts > 2.0 create socket > 3.0 Open socket > 4.0 Do whatever task to do > 5.0 Close socket > 6.0 Function ends > > I wanna know that if i assign such above mentioned function to > thread::run then will the thread die after step 6.0 above i.e. function > ends. Basically that is correct. Anyway, threads in Python are trivial to play with, even at the interactive prompt, so why not just try them out and see how things go? -Peter -- http://mail.python.org/mailman/listinfo/python-list
