--%>
Assignment Help - homework help

Use of setjmp and longjmp

Use of setjmp() and longjmp(): In C/C++, setjmp() saves the contents of the registers at a particular state in the program and longjmp() will restore that state later. In this way, longjmp() “returns” to the state of the program when setjmp() was called.

In general these functions are problematic for C++ because they do not support C++ object semantics. In particular, they do not ensure the proper destructor calls and so objects may not be cleaned up properly, leaving the system in a bad state.

Using these functions may also degrade performance by preventing optimization on local variables. For C++ exception handling, try/catch constructs are recommended instead.

214_serjmp.jpg

For model checking in particular, non-hierarchical long jumps are difficult to model with modeling languages like Java. These functions need to do register restoration which requires modeling of registers and their related operations, adding considerable overhead to model-checking effort.

   Related Questions in Programming Languages

  • Q : Define Indirect recursion Indirect

    Indirect recursion: Recursion which outcomes from method Y calling method X, whenever an existing call from X to Y is still in development or progress.

    		•
  • Q : Define Protocol Protocol : It is a set

    Protocol: It is a set of rules for interaction between two processes. The protocol is generally specified in a Uniform Resource Locator (abbreviated as URL) to point out how a specific resource must be transferred from a Web server to the requesting c

    		•
  • Q : Explain the term an XHTML element

    Explain the term an XHTML element attribute.

    		•
  • Q : Define Bogor Bogor (Robby, Dwyer, and

    Bogor (Robby, Dwyer, and Hatcliff 2006) is an extensible software model-checking framework which includes: Software model checking algorithms Visualizations A user interface designed to

    		•
  • Q : ArrayLists I. The Assignment The

    I. The Assignment The Bashemin Parking Garage contains a single lane that can hold up to ten cars.  Arriving cars enter the garage at the rear and are parked in the empty space nearest to the front.  Departing cars exit only from the front.  If a cu

    		•
  • Q : Explain the relationship between XHTML

    Explain the relationship between XHTML and HTML?

    		•
  • Q : Aren't HTML Aren't HTML, SGML, and XML

    Aren't HTML, SGML, and XML all very similar things?

    		•
  • Q : Explain Exclusive-or operator

    Exclusive-or operator: An exclusive-or operator (^) is both a Boolean operator and the bit manipulation operator. The Boolean version provides the value true when only one of its operands is true; or else it offers the value false. Likewise, the bit m

    		•
  • Q : Define the term Sound card Define the

    Define the term Sound card: It is a hardware device employed to turn digital data into sound.

    		•
  • Q : Attatching CSS to HTML documents

    Explain the different ways in order to attach the CSS to HTML Documents?

    		•