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RAII is this right? 13 Years Ago by lochnessmonster from my understanding,RAII is where u make an object out of something that performs allocation on the heap to release its resources back to the O/S? (heap allocation,opening streams,file handles,etc...) Re: RAII is this right? 13 Years Ago by drkybelk Well RAII stands for Resource Acquisition is Initialisation. And Yes you are … Beginning C++0x: Making a RAII Class 12 Years Ago by mike_2000_17 …return *this; }; // 4 - Destructor ~non_copyable_int_vector() { delete[] ptr; }; }; [/CODE] [B]RAII Resource[/B] If we can old the resource via a… v(aV) { }; }; [/CODE] The above illustrates how composition of RAII classes become RAII themselves with no effort. Here the [ICODE]int_vector_wrapper[/ICODE… Re: still looking for RAII advice 13 Years Ago by mike_2000_17 … going to show you how to implement the processHandle in RAII, the others are for you to do in a similar… Beginning C++0x: Design of Ownership 12 Years Ago by mike_2000_17 … clear and clean, and making a habit of writing RAII classes generally makes things even easier (see my last …as above, that is, use objects with automatic behavior (RAII) to manage memory with the strategy appropriate for each case… expert-level designs and encapsulated within a class (a RAII class) or within the implementation of a function, but… Re: Move Constructor 11 Years Ago by mike_2000_17 …your resource-holding classes should be implemented as simple RAII wrappers for the given resource (file, memory, network… connection, external object, etc.). When implementing those RAII classes, you'll have to implement the Big Five…Fives, because all the underlying data members are RAII objects, which means that the compiler-generated copy… Re: Beginning C++0x: Design of Ownership 12 Years Ago by sergent Can you also post a link to your last C++0x tutorial (about RAII Class)? I haven't finished reading it and I lost the link :( #EDIT# Never mind, I found [URL="http://www.daniweb.com/software-development/cpp/tutorials/373787"]it[/URL]. What is your favorite idiom or design pattern? 13 Years Ago by mike_2000_17 …. It is very hard to choose between Smart Pointers and RAII. They both are an invaluable part of "memory management… made easy". But I would have to go with RAII just for the shear elegance of the resulting code. I… Re: Well-written parallelised code using C++11 features? 9 Years Ago by mike_2000_17 … good use of templates, smart pointers, RAII, STL, Making good use of templates, smart pointers, RAII and the STL... to me, that… Windows 7 ThreadpoolWait API design flaw? 12 Years Ago by doug65536 …->handle, &self->timeout); } }; [/CODE] AutoCloseThreadpoolWait is a RAII object that automates safely shutting down the threadpool object. When… Move Constructor 11 Years Ago by abdelhakeem ….com/software-development/cpp/tutorials/373787/beginning-c0x-making-a-raii-class And I was confused by something: " `int_vector(int_vector… Well-written parallelised code using C++11 features? 9 Years Ago by bythescruff …, but anything which makes good use of templates, smart pointers, RAII, STL, and exceptions would be interesting. Re: Goto statements: When are they useful? 9 Years Ago by mike_2000_17 …version: int foo() { // ... lots of allocation of resources in RAII objects .. if ( some error detected ) return (some error code);…version: void foo() { // ... lots of allocation of resources in RAII objects .. if ( some error detected ) throw (some exception); // … Re: Is it possible to work with out pointers and some OOP in C++? 13 Years Ago by mike_2000_17 … First, a very popular design pattern in C++ is RAII (Resource Allocation Is Initialization). This just means that when … in the vector class). By making great use of RAII, you will typically end up with code that makes…1000 times more effective than procedural programming. Note, how RAII is based on encapsulation and how smart pointers use … Re: Delete in destructors? 12 Years Ago by mike_2000_17 … of "scope-based resource management" (or RAII for "Resource Acquisition Is Initialization). Classes like […[ICODE]std::string[/ICODE] are examples of array-like RAII classes, and classes like [ICODE]std::shared_ptr[/ICODE] …www.daniweb.com/software-development/cpp/tutorials/373787"]RAII[/URL] and [URL="http://www.daniweb.com… Re: Class members as paramaters 13 Years Ago by mike_2000_17 …exceptions or have some failure-state behavior. RAII (Resource Allocation Is Initialization) is a…file_read(); //destructor, closes file if still open. }; //RAII implementation: class file_read { .. public: file_read(const std::…;< std::endl; return; }; fin.close(); //RAII version: { //still need a try-catch for the… Re: Deep copy problem 12 Years Ago by mike_2000_17 …daniweb.com/software-development/cpp/tutorials/373787"]RAII class[/URL]. As for your code: Line… //~Bullet(); //destructor not needed because all members are RAII. Bullet(const std::string& aName); Bullet(int startX… are not needed because all data members are RAII. int getX(); int getY(); int getDx(); int… Re: deallocate contents of std::map 13 Years Ago by mike_2000_17 … proper example of the power of RAII[/QUOTE] If you mean that dynamic_bind is a RAII class, then I guess you could… say it is an example of RAII, I wouldn't really say it's a proper or… Re: deallocate contents of std::map 13 Years Ago by mike_2000_17 … it with a file is not good RAII style. Sure, it's not. So what. RAII is very good, very often, but… local variable just so that you can remain in good RAII style, that's just putting your priorities at the wrong… Re: Class Design Advice? 13 Years Ago by mike_2000_17 … invalid after stack unwinding. That's why RAII is so useful in C++. With RAII, you do the initialization in the constructor… observe that a better design would probably involve a few RAII classes to help this CodeInjector class. I bet you could… Re: Strange memory leak error for functions called within functions 12 Years Ago by mike_2000_17 …object. But the real solution to this problem is RAII (Resource Acquisition Is Initialization), which is arguably the most… main() { DerivedHelper h; Foo f(h); //construct object of RAII class Foo. f.do_something(); //use the object f which is…a local Foo object that will use it temporarily. RAII is nice in this way that it naturally uses… Re: Strange memory leak error for functions called within functions 12 Years Ago by TheWolverine …[QUOTE]But the real solution to this problem is RAII (Resource Acquisition Is Initialization), which is arguably the …main() { DerivedHelper h; Foo f(h); //construct object of RAII class Foo. f.do_something(); //use the object f which is…local Foo object that will use it temporarily. RAII is nice in this way that it naturally uses… Re: Managed C++/C++.net 12 Years Ago by mike_2000_17 … that are useless. In pure C++, and using the RAII idiom, the destructors are not something to "worry…Use dynamically allocated memory only under the wraps of a RAII class (like STL containers or smart-pointers). In this…http://www.daniweb.com/software-development/cpp/tutorials/373787"]RAII[/URL] and [URL="http://www.daniweb.com/… Re: What variables must I delete? 11 Years Ago by mike_2000_17 …) that can help you, the first is on [RAII](http://www.daniweb.com/software-development/cpp/tutorials/373787/beginning…-c0x-making-a-raii-class) and the second is on [ownership relationships](…to the essentials, that is, make sure to use RAII classes as much as possible and use smart-pointers … Re: Populating a pointer array of abstract objects with derived objects 10 Years Ago by mike_2000_17 …To write such a class correctly, you must write a RAII class (or resource-holding class), as explained [here](http….com/software-development/cpp/tutorials/373787/beginning-c0x-making-a-raii-class). Or, far simpler, just use a C++ … a destructor because both of these classes are standard RAII classes that manage their own resources (memory in this… Re: corruption of the heap with char array passed to function 10 Years Ago by mike_2000_17 … a class that automatically manages it, we call that a [RAII class](http://www.daniweb.com/software-development/cpp/tutorials/373787…/beginning-c0x-making-a-raii-class) (RAII: Resource Acquisition Is Initialization, or a better term is… Re: when to usee c++ over java? 10 Years Ago by mike_2000_17 … the situations when unique ownership is appropriate (e.g., RAII-style data members or base-class, or `unique_ptr` pointers…destruction of objects, you largely have to give up RAII (automatic scope-based resource management), which will create …time of the code that uses that resource (through RAII classes), and therefore, you almost never have to … Re: Why constructors don't have return types 18 Years Ago by Dante Shamest Yes, one could use MFC's 2-stage construction. However, my personal preference is still to to use the constructor to create the object, because I'm used to the [url=http://www.hackcraft.net/raii/]RAII paradigm[/url], and my own wrappers for the Windows API use it. Re: C++ / Exceptions 17 Years Ago by Darkmeerkat … of a "[URL="http://en.wikipedia.org/wiki/RAII"]RAII[/URL]"-ish behavior, without having to split acquisition… Re: Texturing n sided cone approximation 13 Years Ago by mike_2000_17 …, this cPyramid class is a very good candidate to use RAII (Resource Allocation Is Initialization). This means that in this case… and create a new one. That's the essence of RAII in the sense that you don't have to bother…