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Re: atomic operation in c++ 13 Years Ago by Taywin I doubt there is such a natural atomic operation in C++. If you use a library to force anything to be atomic, then it should. I would say no in this case. atomic increment is not working properly.. 15 Years Ago by akmittal … this problem - i have a assembly code which does the atomic increment [code=assembly] Atomic_Add (volatile unsigned int *addr, int additive… atomic operation in c++ 13 Years Ago by johnray31 Hello guys, Do ++/-- are atomic operations in c++? Thanks Re: atomic operation in c++ 13 Years Ago by abdelhakeem Yes, when applied to integers and pointers they are always atomic, but the overloaded ++/-- are not, since they are translated by the compiler into instructions that are more than one. Read [URL="http://www.informit.com/guides/content.aspx?g=cplusplus&seqNum=469"]this[/URL]. atomic alternative VS2010 10 Years Ago by Suzie999 … to indicate when a thread is complete. Quickly discovered `std::atomic<type> var(val);` only to find it has… Re: From beginner in Java: Atomic type-what is it? 16 Years Ago by indienick … of the classes in the java.util.concurrent.atomic package have the "Atomic" prefix in their names. All of those… classes "...provide atomic access to arrays of values and provide [b]volatile[/b… Re: Is C binary flag atomic? 10 Years Ago by Schol-R-LEA …any case, the likelihood of it being implemented in an atomic fashion is very low. In the scenario you describe, … x86 architecture has some instructions that are guaranteed to be atomic (with the LOCK modifier), there is no (portable and…of this is, no, that isn't going to be atomic without blocking, and on a modern multicore/multiprocessor system, … From beginner in Java: Atomic type-what is it? 16 Years Ago by Ainur Dear all Could you tell me what is it-atomic type in Java? I explored internet and book Java in 21 days,but nothing about it. The question was about difference between object reference and atomic type. I found that object reference is an address that indicates where an object's variable and methods are stored. Thank you Resume write (atomic operations with pipes vs. split files) 9 Years Ago by Hiroshe … Unix catagory, however I beleive Windows pipes also can perform atomic writes - correct me if I'm wrong! Say I'm… I'm currently doing is reading PIPE_BUF bytes (to guarrentee atomic operations if I understand them correctly) of information from my… Re: Is variable++ 1 atomic action? 18 Years Ago by Dogtree …] Optimizations can make it close to atomic for all cases of built-in types, or atomic for some cases of some built… Re: From beginner in Java: Atomic type-what is it? 16 Years Ago by jwenting An atomic type in the context referred to most likely should be read as a primitive type. That's int, long, double, float, byte, and char. They don't refer to Object references, like everything else. Is variable++ 1 atomic action? 18 Years Ago by bigbrother2000 Hi everyone, just wondering if anyone knows if any variable++ would be classed as 1 atomic action? Thanks guys Win version for atomic.h 15 Years Ago by amt_muk Hello Friends, I am trying to porting an unix c++ program into windows using MSVC8.0 compiler. In my unix version there are some lines like [CODE] #include <sys/atomic.h> ... atomic_add_int_nv() ... [/CODE] Now, pls help me to find out the Win version of these code segments. Thanks, Amit Re: Win version for atomic.h 15 Years Ago by ArkM Look at [url]http://www.audiomulch.com/~rossb/code/lockfree/ATOMIC.H[/url] Question Inline Atomic Add 11 Years Ago by dmanw100 … this question is simplistic. I would like to implement an atomic add (for incrementing an array pointer). My code looks like… Excel Help : How to get atomic values in excel cell. 10 Years Ago by fashxfreak … contain multiple values separated by (,).Now I want to get atomic values in all cells of column 'C'. i.e. that… Re: Excel Help : How to get atomic values in excel cell. 10 Years Ago by LastMitch … contain multiple values separated by (,).Now I want to get atomic values in all cells of column 'C'. i.e. that… Is C binary flag atomic? 10 Years Ago by N1GHTS … other words, are set or clear operations in this structure atomic and therefore thread safe? Re: atomic increment is not working properly.. 15 Years Ago by Salem So is the "not working properly" related to the "add" part of the problem or the "lock" part of the problem? cli isn't going to do anything useful at all if you have multiple cores. AFAIK, it's a "per core" thing, so disabling it on one doesn't stop the other from messing with the variable. The use case … Re: atomic alternative VS2010 10 Years Ago by mike_2000_17 For pre-C++11 compilers, i.e. C++03 compilers, you should use the Boost libraries, which is where all the standard library additions came from, and will likely come from in the future. In this case, the [Boost.Thread](http://www.boost.org/doc/libs/1_54_0/doc/html/thread.html) library is what you are looking for. However, I doubt that your idea is … Re: atomic alternative VS2010 10 Years Ago by Suzie999 Thank's for reply and suggestion, I appreciate your time. I have heard much about boost and seen many answers around which recerence it. Re: atomic alternative VS2010 10 Years Ago by rubberman The Boost library does some pretty amazing stuff. It is commonly used by the HEP (High Energy Physics) programming community, which should indicate its capability and quality - these are people who would rather program directly in Fortan than C++, but had eschewed Fortran for C++ with Boost over the past 10-20 years. FWIW, my wife is a particle … Re: From beginner in Java: Atomic type-what is it? 16 Years Ago by Ainur Thank you!:) Re: From beginner in Java: Atomic type-what is it? 16 Years Ago by indienick You are very welcome! :D Re: From beginner in Java: Atomic type-what is it? 16 Years Ago by jwenting And technically primitives are stored in a different memory space from object instances (but not the references you deal with to those instances). But they can be stored in different memory spaces depending on where and how they're created, where object instances are always created in the same space. Re: Resume write (atomic operations with pipes vs. split files) 9 Years Ago by Hiroshe I have another idea. In the case of a local file, if a stream breaks, wait for the user to fix it and then use `dd` to overwrite the last block (I'm hopping that dd doesn't need to seek through the file in the case of a tape drive), and start appending to the stream from there. In the case of doing it over a network, we would do the same thing (… Re: Is variable++ 1 atomic action? 18 Years Ago by Dogtree In general, no. Re: Is variable++ 1 atomic action? 18 Years Ago by bigbrother2000 Thanks Dogtree for replying, I had this question in an exam, true or false, I don't know anything about it though, would you be able to explain why it is false, that would be great Re: Win version for atomic.h 15 Years Ago by grumpier A starting point for you would be to specify what atomic_add_int_nv() actually does under unix. Forum readers are not mind-readers, and not generally all that good at working out what arbitrarily named non-standard functions do. If you look up the documentation for atomic_add_int_nv(), you may also be able to work out the answer for yourself. Re: Win version for atomic.h 15 Years Ago by cikara21 [URL="http://msdn.microsoft.com/en-us/library/ms648708.aspx"]....TRY THIS....[/URL]