¡@
c++ Programming Glossary: atomicIs there a production ready lock-free queue or hash implementation in C++ http://stackoverflow.com/questions/1164023/is-there-a-production-ready-lock-free-queue-or-hash-implementation-in-c on the second page of each article uses the C 0x style atomic T template type which you can imitate using the Boost interprocess.. but having read through the appropriate header file atomic.hpp the implementations for the necessary compare and swap operations..
http://stackoverflow.com/questions/195853/spinlock-versus-semaphore querying and or modifying a memory location usually in an atomic manner. This means that acquiring a spinlock is a busy operation.. a few attempts . A spinlock is typically implemented using atomic operations and without using anything provided by the operating.. assembler instructions. Meanwhile both C 11 and C11 have atomic operations as part of the language so apart from the general..
Optimizing away a “while(1);” in C++0x http://stackoverflow.com/questions/3592557/optimizing-away-a-while1-in-c0x objects and performs no synchronization operations 1.10 or atomic operations Clause 29 may be assumed by the implementation to.. O accesses volatile objects or performs synchronization or atomic operations or that it eventually terminates. If I violate that.. object or perform a synchronization operation or an atomic operation. The goto trick will not work anymore c optimization..
When to use volatile with multi threading? http://stackoverflow.com/questions/4557979/when-to-use-volatile-with-multi-threading of execution of operations. It does not make operations atomic. It does not make your code magically thread safe. volatile..
Are C++ Reads and Writes of an int atomic http://stackoverflow.com/questions/54188/are-c-reads-and-writes-of-an-int-atomic C Reads and Writes of an int atomic I have two threads one updating an int and one reading it... think that reads and writes of the native machine size are atomic but there are a number of issues to deal with including cache.. including cache coherency between processors cores. Use atomic operations like Interlocked on Windows and the equivalent on..
http://stackoverflow.com/questions/6319146/c11-introduced-a-standardized-memory-model-what-does-it-mean-and-how-is-it-g to the spec. The spec does not even say anything about the atomicity of memory loads and stores or the order in which loads and.. is Undefined Behavior because loads and stores need not be atomic in general. Which may not seem like much of an improvement..... itself it's not. But with C 11 you can write this Global atomic int x y Thread 1 Thread 2 x.store 17 cout y.load y.store 37..
I've heard i++ isn't thread safe, is ++i thread-safe? http://stackoverflow.com/questions/680097/ive-heard-i-isnt-thread-safe-is-i-thread-safe
False Sharing and Atomic Variables http://stackoverflow.com/questions/10143676/false-sharing-and-atomic-variables Sharing and Atomic Variables When different variables are inside the same cache..
Interlocked equivalent on Linux http://stackoverflow.com/questions/149710/interlocked-equivalent-on-linux Intel's open source ThreadBuildingBlocks has a template Atomic that offers the same functionality as .NET's Interlocked class... functionality as .NET's Interlocked class. Unlike gcc's Atomic built ins it's cross platform and doesn't depend on a particular..
High-level Compare And Swap (CAS) functions? http://stackoverflow.com/questions/151841/high-level-compare-and-swap-cas-functions
http://stackoverflow.com/questions/17942034/simple-linux-signal-handling compiler not to optimize and put it into register. read Atomic Data Access and Signal Handling for detail expiation . One more.. Handling for detail expiation . One more reference 24.4.7 Atomic Data Access and Signal Handling Q 4 I've read that signal is..
Atomic operations for lock-free doubly linked list http://stackoverflow.com/questions/19609417/atomic-operations-for-lock-free-doubly-linked-list operations for lock free doubly linked list I am writing a.. std memory_order_relaxed inline std atomic NodeT getAtomicNode const throw return mPointer struct Node public LockFreeNode..
http://stackoverflow.com/questions/2478397/atomic-swap-in-gnu-c swap in GNU C I want to verify that my understanding is correct... Data rt_data Data swap_data Data new_data #ifdef __GNUC__ Atomic pointer swap. Data old_d __sync_lock_test_and_set rt_data new_data..
Atomicity in C++ : Myth or Reality http://stackoverflow.com/questions/5002046/atomicity-in-c-myth-or-reality in C Myth or Reality I have been reading an article about.. PDF manual 253668.pdf section 8.1.1 8.1.1 Guaranteed Atomic Operations The Intel486 processor and newer processors since..
What C++ Smart Pointer Implementations are available? http://stackoverflow.com/questions/5026197/what-c-smart-pointer-implementations-are-available particularly worth a whole new object. QSharedPointer Atomic reference counting thread safe sharable pointer custom deletes..
Concurrency: Atomic and volatile in C++11 memory model http://stackoverflow.com/questions/8819095/concurrency-atomic-and-volatile-in-c11-memory-model Atomic and volatile in C 11 memory model A global variable is shared..
Relevant boost features vs C++11 http://stackoverflow.com/questions/8851670/relevant-boost-features-vs-c11 unordered_set unordered_map Features back ported from C 11 Atomic std atomic Chrono chrono see below Move Rvalue references Replaceable..
C++ atomic operations for lock-free structures http://stackoverflow.com/questions/930897/c-atomic-operations-for-lock-free-structures at least for CAS http gcc.gnu.org onlinedocs gcc 4.4.0 gcc Atomic Builtins.html#Atomic Builtins c atomic lock free share improve.. gcc.gnu.org onlinedocs gcc 4.4.0 gcc Atomic Builtins.html#Atomic Builtins c atomic lock free share improve this question ..
http://stackoverflow.com/questions/9329020/undefined-reference-to-sync-val-compare-and-swap-4-error-at-compilation-usi __sync_val_compare_and_swap function related to the Atomic Builtins which supports whith 4.1. version of gcc. I try to.. described here http gcc.gnu.org onlinedocs gcc 4.1.2 gcc Atomic Builtins.html __sync_val_compare_and_swap on some targets will..
|