¡@
c++ Programming Glossary: mutexhttp://stackoverflow.com/questions/105014/does-the-mutable-keyword-have-any-purpose-other-than-allowing-the-variable-to have since used this technique in a class marking a boost mutex as mutable allowing const functions to lock it for thread safety..
Problems with Singleton Pattern http://stackoverflow.com/questions/1392315/problems-with-singleton-pattern causes synchronization problems surely we can use a mutex or something like that to synchronize access . From a unit testing.. thread is accessing the same object and you are using a mutex each thread must wait until another has unlocked the singleton...
Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?) http://stackoverflow.com/questions/161177/does-c-support-finally-blocks-and-whats-this-raii-i-keep-hearing-about of the topic. A common use for RAII is locking a mutex A class with implements RAII class lock mutex m_ public lock.. is locking a mutex A class with implements RAII class lock mutex m_ public lock mutex m m_ m m.acquire ~lock m_.release A.. class with implements RAII class lock mutex m_ public lock mutex m m_ m m.acquire ~lock m_.release A class which uses 'mutex'..
When to use volatile with multi threading? http://stackoverflow.com/questions/4557979/when-to-use-volatile-with-multi-threading variable is something which calls for protection via a mutex isn't it But in that case between the thread locking and releasing.. in that case between the thread locking and releasing the mutex the code is in a critical section where only that one thread..
http://stackoverflow.com/questions/6319146/c11-introduced-a-standardized-memory-model-what-does-it-mean-and-how-is-it-g which loads and stores might happen never mind things like mutexes. Of course you can write multi threaded code in practice for.. you want to see are 0 0 or 37 17 you can just wrap a mutex around the original code. But if you have read this far I bet.. . The new standard provides high level gadgets like mutexes and condition variables and it also provides low level gadgets..
http://stackoverflow.com/questions/6403055/object-destruction-in-c destructed such as a file a socket a database connection a mutex or heap memory . array elements Array elements are destructed..
What is the closest thing windows has to fork()? http://stackoverflow.com/questions/985281/what-is-the-closest-thing-windows-has-to-fork initialized the child is run while the parent waits on a mutex. The child discovers it has been forked and longjumps using.. using the saved jump buffer. The child then sets the mutex the parent is waiting on and blocks on another mutex. This is.. the mutex the parent is waiting on and blocks on another mutex. This is the signal for the parent to copy its stack and heap..
Example for boost shared_mutex (multiple reads/one write)? http://stackoverflow.com/questions/989795/example-for-boost-shared-mutex-multiple-reads-one-write for boost shared_mutex multiple reads one write I have a multithreaded app that has.. often and occasionally that data is updated. Right now a mutex keeps access to that data safe but it's expensive because I.. threads to finish . I think this is what boost shared_mutex is supposed to do but I'm not clear on how to use it and haven't..
Win32 Read/Write Lock Using Only Critical Sections http://stackoverflow.com/questions/1008726/win32-read-write-lock-using-only-critical-sections can be done without using at least one kernel level object Mutex or Semaphore because you need the help of the kernel to make..
How to profile pthread mutex in linux? http://stackoverflow.com/questions/10852637/how-to-profile-pthread-mutex-in-linux PS What's the plural of mutex mutexes muteces mutexi muti Mutexes never sounded right to me. c c performance pthreads mutex.. was locked for e.g. mutrace 10 most contended mutexes Mutex # Locked Changed Cont. tot.Time ms avg.Time ms max.Time ms Type..
Boost Mutex implementation for Windows http://stackoverflow.com/questions/13014635/boost-mutex-implementation-for-windows Mutex implementation for Windows As far as I know in old versions..
Extend the life of threads with synchronization (C++11) http://stackoverflow.com/questions/15252292/extend-the-life-of-threads-with-synchronization-c11 cv The condition variable to wait for threads std mutex m Mutex used for avoiding data races bool stop false When set this flag..
May volatile be in user defined types to help writing thread-safe code http://stackoverflow.com/questions/2491495/may-volatile-be-in-user-defined-types-to-help-writing-thread-safe-code public Constructors destructors LockingPtr volatile T obj Mutex mtx pObj_ const_cast T obj pMtx_ mtx mtx.Lock ~LockingPtr pMtx_.. return pObj_ T operator return pObj_ private T pObj_ Mutex pMtx_ LockingPtr const LockingPtr LockingPtr operator const.. private typedef vector char BufT volatile BufT buffer_ Mutex mtx_ controls access to buffer_ NOTE After the first couple..
Difference between Locks, Mutex and Critical Sections http://stackoverflow.com/questions/2808617/difference-between-locks-mutex-and-critical-sections between Locks Mutex and Critical Sections There is an existing question regarding.. There is an existing question regarding difference between Mutex and Critical section but it does not deal with Locks also. So..
Example of how to use boost upgradeable mutexes http://stackoverflow.com/questions/3896717/example-of-how-to-use-boost-upgradeable-mutexes not the actual code. typedef boost shared_mutex Mutex typedef boost shared_lock Mutex ReadLock typedef boost unique_lock.. typedef boost shared_mutex Mutex typedef boost shared_lock Mutex ReadLock typedef boost unique_lock Mutex WriteLock Mutex mutex.. boost shared_lock Mutex ReadLock typedef boost unique_lock Mutex WriteLock Mutex mutex typedef map int int MapType Your map type..
When do programmers use Empty Base Optimization (EBO) http://stackoverflow.com/questions/4325144/when-do-programmers-use-empty-base-optimization-ebo void lock mutex_.lock void unlock mutex_.unlock private Mutex mutex_ class MTUnsafePolicy public void lock no op void unlock..
http://stackoverflow.com/questions/4989451/mutex-example-tutorial example tutorial I've noticed that asking questions for the.. tbb tbb_thread.h using namespace tbb typedef mutex myMutex static myMutex sm int i 0 void someFunction myMutex scoped_lock.. using namespace tbb typedef mutex myMutex static myMutex sm int i 0 void someFunction myMutex scoped_lock lock create..
Throwing exceptions from constructors http://stackoverflow.com/questions/810839/throwing-exceptions-from-constructors mutex in a class it would look something like this. class Mutex public Mutex if pthread_mutex_init mutex_ 0 0 throw MutexInitException.. it would look something like this. class Mutex public Mutex if pthread_mutex_init mutex_ 0 0 throw MutexInitException ~Mutex.. Mutex public Mutex if pthread_mutex_init mutex_ 0 0 throw MutexInitException ~Mutex pthread_mutex_destroy mutex_ void lock..
Is Critical Section always faster? http://stackoverflow.com/questions/853316/is-critical-section-always-faster can be faster compared to other kernel objects like Mutex Also how does internal event object actually affects the performance..
Is there a difference between Boost's scoped mutex and WinAPi's critical section? http://stackoverflow.com/questions/877577/is-there-a-difference-between-boosts-scoped-mutex-and-winapis-critical-section mutex uses neither a Win32 CRITICAL_SECTION nor a Win32 Mutex. Instead it uses atomic operations and a Win32 Event for blocking..
|