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Editorial Team
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Asked: 2026-05-14T21:49:29+00:00

I need a way to store a value somewhere for temporarily by say Process

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I need a way to store a value somewhere for temporarily by say Process A. Process A can exit the after storing the value in memory. After sometime Process B comes accesses the same location of memory and read the value. I need to store in memory, because I dont want the data to persistent across reboots. But as long as the system is up, it Independent of the Process the data must be accessible. I tried MailSlots and Temporary files in windows, both seem to have problem where the process reference count drops to zero , the entities dont persist in memory. What is a suitable mechanism for this in Windows preferably using Win32 API?

  • Ganesh
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1 Answer

  1. Editorial Team

    Write a service that is started at boot time, and let it create some shared memory.
    This shared memory can then be filled by process A, and process B can read it afterwards.

    If your system is rebooted, the shared memory is gone and you have a fresh, new piece of shared memory.
    Make sure that your service correctly ‘initializes’ the shared memory.

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