try, catch and throw statements

http://msdn.microsoft.com/en-us/library/6dekhbbc(VS.80).aspx

 

http://www.eastcoastgames.com/articles/cppexception.html

 

http://en.wikipedia.org/wiki/Exception_handling

 

...

The real power of C++ exception handling lies not only in its ability to deal with exceptions of varing types, but also in its ability to automatically call destructor functions during stack unwinding, for all local objects constructed before the exception was thrown.

...

 

p.s)

In systems without exceptions, the routine would need to return some special error code. However, this sometimes is complicated by the semipredicate problem[1]

(http://en.wikipedia.org/wiki/Exception_handling)

[1] http://en.wikipedia.org/wiki/Semipredicate_problem