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How To Save A Programms State?


See code changes below: (code contained in "saveload" module) import pickle import world import globalstate def savegame(path_to_name): world_data = {} for attr, value in world.__dict__.items(): # actual code is selective about Py>self.SetHieght(store.hieght) Hth M.E.Farmer Jul 18 '05 #5 This discussion thread is closed Start new discussion Replies have been disabled for this discussion. Why don't compilers automatically insert deallocations? Post your question and get tips & solutions from a community of 419,304 IT Pros & Developers. his comment is here

Are there MQTT brokers that persist QoS 1/2 messages to disk? But I'm stuck, because unpickling (so far as I understand it) creates a brand new instance that doesn't know it used to have references to itself in the globalstate lists. TOPICSAdoption Appeals Archive Avoid Scams Citizenship Citizenship Resource Center Executive Actions on Immigration Family File Online Green Card History and Genealogy Humanitarian Military Outreach Visit the U.S. You can run your code in a virtual machine and use the virtual machine manager (e.g. http://unix.stackexchange.com/questions/125348/a-way-for-saving-running-state-of-a-program

Linux Process Checkpointing

Edit: For clarity, there are two types of apps: those that save their own states, and those that save others' states. It won't “un-write” data from a file, but it will rewind the file pointer to the previous location, so that the previously written data can be overwritten. print apple_three.total .... 3 Now you can just pickle them and when you unpickle them as usual.

Thanks in advance for any help! You could set up your code so when you send it a signal, it saves one of these checkpoint files, so you can save the "state" of your calculation at any pid: 13756, Iteration: 5 pid: 13756, Iteration: 6 Program received signal SIGSEGV, Segmentation fault. 0x00000000004006be in main () at main.cpp:16 16 *ptr = *ptr+1; ( share|improve this answer edited Apr 18 What's the name of the following method for dividing polynomials?

Similar topics Need java help, thanks PLEASE Help needed in using FSO's, TextStreams, etc. --- Code Review and Advice requested Saving modified DOM state Saving old stream format and restoring it Cryopid This system originally came under the jurisdictional purview of legacy Immigration and Naturalization Service (INS). The owner of this website (windows.appstorm.net) has banned the autonomous system number (ASN) your IP address is in (61317) from accessing this website. This is already too late but another more hands-on approach is to start your process in a dedicated VM and just suspend and restore the whole Virtual machine.

First of all, it is much better if you analyze a core file and fix a bug that leads to a crash. share|improve this answer answered Jan 11 '11 at 19:36 Ian C. 4,18712127 3 Nice, but no Windows support = no support = useless. pass Now just create an instance and add your attributes. asked 5 years ago viewed 4794 times active 5 years ago Linked 0 Writing variables to and reading from a file in python(3) 1 Saving and recovering values of variables between


Returning to a checkpoint effectively undoes everything that has happened in the program since the checkpoint was saved. Clicking Here The incompatibilities sound to me as if you took a MacOS process and dumped it onto a Windows box; that's really quite amazing. –cat May 7 '16 at 15:33 add a Linux Process Checkpointing Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Criu Pickling (and unpickling) is alternatively known as “serialization”, “marshalling,” 1 or “flattening”, however, to avoid confusion, the terms used here are “pickling” and “unpickling”.

I'm looking for a clean, elegant way to overwrite the same class instance in two arbitrary places at once. But now comes the save and restore game functions, which again are simplified from my real code: (code contained in "saveload" module) import pickle import world def savegame(path_to_name): world_data = {} So once I run checkpoint in my script in order to be able to return to a previous state. What Exactly Is Minimum Connection Time? Python Pickle

Byte count of "ls -l " versus that of "wc -c " Odd Chebyshev, part 2 Distribution of 2X - Y when X and Y are known Turn my Perhaps the example code I've provided isn't even the best way of saving and restoring program state. They simply stop the process from using any CPU until you unsuspend/resume the process. –ewindisch Jan 16 '11 at 0:58 add a comment| up vote 0 down vote This is what http://tenten10.com/how-to/how-do-i-save-flash-pics.php Why is ammonia more basic than acetonitrile Is this plane landing or departing?

Documentation is here sourceware.org/gdb/onlinedocs/gdb/Checkpoint_002fRestart.html Let me show you an example: OK, this is a program that runs for a long time and crashes at some point: >more main.cpp #include #include The instances in the globalstate.all_fruit list remain unchanged, which is not the behaviour I want. There have been unix variants with restartable core dumps, but I don't think this is the case on modern ones (they've become too complex).

Py>class Store(object): ....

For a more complex state, it would be worth creating a bean that can be written/read using XMLEncoder/XMLDecoder. –Andrew Thompson Oct 25 '11 at 11:34 add a comment| 2 Answers 2 Polymorphism for Batch Processing in Salesforce Is there an RGB equivalent for smells? An application running in user-space doesn't have the required access to system tables and drivers, and this also requires very specialized knowledge of them. –harrymc Jan 12 '11 at 9:52 Word/term for persistence in incorrect pronunciation Time taken to print numbers The pros and cons of using the appearance panel to create complex shapes and strokes in AI How to say

share|improve this answer answered Apr 19 '14 at 0:53 Gilles 390k777211169 add a comment| up vote 3 down vote I'd suggest hibernating instead of shutting down your computer, but if you UNIX is a registered trademark of The Open Group. All program variables, registers, stack frames etc. Is there something similar to Gödel's incompleteness theorems in physics?