C++

Topic: Exceptions

Explain about exception Handling Overhead ?

The extra overhead associated with the C++ exception handling mechanism may increase the size of executable files and slow program execution time. The /EHsc compiler option enables C++ exception handling and unwind semantics. If you are not using C++ exception handling in your program and you want to eliminate the associated overhead, you can use the /EHsc- compiler option to turn off exception handling and unwind semantics. Note that /EHsc- is the default.Because of the nature of exception handling and the extra overhead involved, exceptions should be used only to signal the occurrence of unusual or unanticipated program events. Exception handlers should not be used to redirect the program's normal flow of control. For example, an exception should not be thrown in cases of potential logic or user input errors, such as the overflow of an array boundary. In these cases, simply returning an error code may be simpler and more concise. Judicious use of exception handling constructs makes your program easier to maintain and your code more readable.For more information about C++ exception handling, see the Annotated C++ Reference Manual by Margaret Ellis and Bjarne Stroustrup.

Browse random answers:

What is Exceptions in c++ ?
Can we generate a C++ source code from the binary file?
what is Un handled exception(KERNEL32.DLL):0xE06D7363 in the context of exception handling? pls answer to my mail id.in the flg code i got a problem.i want to know the entire steps followed in exception handling in this program.#include <iostream>using namespace std;int main(){ cout << "Start"; try  { // start a try block cout << "Inside try block"; cout << "Still inside try block"; throw 78; } catch (double i)  { // catch an error cout << "Caught an exception -- value is: "; cout << i << ""; } cout << "End"; return 0;}
How does throwing and catching exceptions differ from using setjmp and longjmp?
what is the difference betwen wait() and delay()?
How can I get around scope problems in a try/catch?
Explain exception specifications with example ?
Explain about standard exceptions with example ?
Explain about try, catch, and throw Statements (C++) ?
Exceptions are hard to ignore, unlike error codes. ?
What are C++ Exception  Examples ?
Explain about Unhandled C++ Exceptions ?
Explain about exception Handling Overhead ?
Explain about Mixing C (Structured) and C++ Exceptions ?
Explain about Overview of C++ Exception Handling with example ?
Explain about Implications of Using Exceptions with example ?
Explain about Designing With Exceptions with example ?
Explain about exceptions in Real-Time Systems ?
Explain about exception Handling Philosophies with example ?
Explain about exceptions in an Array-Based Stack ?
How many exceptions in a List-Based Stack ?
What are some ways try / catch / throw can improve software quality? 
How do exceptions simplify my function return type and parameter types? 
What does it mean that exceptions separate the "good path" (or "happy path") from the "bad path"? 
Exception handling seems to make my life more difficult; clearly I'm not the problem, am I?? 
How can I handle a destructor that fails? 
How can I handle a constructor that fails? 
How should I handle resources if my constructors may throw exceptions? 
What is exception-safe code? 
Explain about exception Neutrality ?
Explain how we implement exception handling in C++  
Explain terminate() and unexpected() function  ?
Exception handling concept  ?
Describe the way to handle run time error in C++.