May 2012
Intermediate to advanced
679 pages
16h 56m
English
Content preview from Object Oriented Programming with C++, Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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18.9 STACK UNWINDING
Earlier, we have seen that after catch clause is completed, control goes to statement after try block. Control never returns to position in try block from where the exception is thrown. It requires special treatment by the system in two regards. The first one is related to stack.
Imagine a situation that no exception has occurred. In that case all functions called (even recursively) would have normally returned. It implies that stack would have been in a position where it was just before entering try block. For simplicity let us call it as base level. If exception has occurred, at that time stack may be containing things (variables and return addresses) above the base level. Therefore, it is necessary to unwind the stack, ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.