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My task is to make a program, which counts a time of running processes in windows. Can you suggest me how or from where can I catch that informations?
For list of currently running processes under Windows use EnumProcesses win32 API
http://msdn.microsoft.com/en-us/library/windows/desktop/ms682629%28v=vs.85%29.aspx
example how to do this:
http://msdn.microsoft.com/en-us/library/windows/desktop/ms682623%28v=vs.85%29.aspx
From your question I'm not sure if you need process timing information (CPU time,etc.) or to count instances of given process in memory. Could you please explain this more clearly ?
You can use GetProcessTimes function to get process timing information.
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I have 2 processes running on 2 different machines.
What is the best way to communicate between those to send instructions WITHOUT using any username/password?
Language : C++
There are many solutions with different pros and cons. Try googling for it.
Since you've not given any other requirements, the simplest way is via socket programming. Check out this https://www.geeksforgeeks.org/socket-programming-cc/ for some basic knowledge and http://www.cs.rpi.edu/~moorthy/Courses/os98/Pgms/socket.html for examples.
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I am using a PEmicro USB Multilink Universal JTAG.
I have a Cortex M4 processor running a custom C++ RTOS with no filesystem.
I need to trace execution of some functions to debug a problem but since I don't have a filesystem, I'd have to use a RAM circular buffer.
QUESTION
Is it possible to write the trace data over the JTAG/debugger connection to the PC? Even if this can't be done full-speed, it would still be useful to me.
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Problem: Windows platform.
dll_1 in a process needs to know the thread id
of dll_2 in the same process.
dll_1 already has the hmodule of dll_2.
Although it may seem a trivial task there is no
documentation at all on how this can achieved.
You would think there would be a function such
as GetRemoteModuleThreadId() but if there is then it has been
concealed for security reasons.
A thread and a DLL are distinct and unrelated concepts. A DLL is just "some code that has been loaded into the process's memory" and a thread is a distinct sequence of code execution that happens to execute code, whether it's in the main exe or a DLL.
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I have seen lot of tutorials and documentation on how to get the files descriptors from a given pid. Well, I want to do otherwise.
Thanks.
Of course not, that's like trying to get the PID that called main. Every process has a file descriptor 0 (stdin), 1, 2, etc., and they mean different things for each process.
A file descriptor, which is just a small integer, isn't meaningful unless you already know what process you are talking about.
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I've COM object declared in process A by using CLSCTX_LOCAL_SERVER. So I could call ::CoGetClassObject from this process and get this object.
Could I call ::CoGetClassObject to get COM object of process A from process B, that was just created?
P.S. Process A is still running.
P.S.S. No info about this COM object was found in registry. :-(
If there's no data in the registry, then no, ::CoGetClassObject can't work cross-process. How would it know to look in process A?