July 2017
Intermediate to advanced
244 pages
6h 33m
English
Content preview from Mastering C++ Multithreading
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Memory leak detection
The most important thing to keep in mind for Memcheck's reporting of memory leaks is that a lot of reported leaks may in fact not be leaks. This is reflected in the way Memcheck reports any potential issues it finds, which is as follows:
- Definitely lost
- Indirectly lost
- Possibly lost
Of the three possible report types, the Definitely lost type is the only one where it is absolutely certain that the memory block in question is no longer reachable, with no pointer or reference remaining, which makes it impossible for the application to ever free the memory.
In case of the Indirectly lost type, we did not lose the pointer to these memory blocks themselves, but, the pointer to a structure which refers to these blocks instead. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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