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c++ Programming Glossary: acquireDo I need to protect read access to an STL container in a multithreading environment? http://stackoverflow.com/questions/187583/do-i-need-to-protect-read-access-to-an-stl-container-in-a-multithreading-environ threads. My question is do the size reader threads need to acquire this mutex too should I use a read write mutex I'm in a windows..
http://stackoverflow.com/questions/195853/spinlock-versus-semaphore for mutual exclusion that is one thread at a time can acquire the lock and proceed with a critical section of code. Usually.. A semaphore has a counter and will allow itself being acquired by one or several threads depending on what value you post.. a few hundred or maybe thousand times so if a lock can be acquired by burning a few cycles spinning this may overall very well..
C++0x memory model and speculative loads/stores http://stackoverflow.com/questions/2001913/c0x-memory-model-and-speculative-loads-stores above the programmer might have elected to conditionally acquire the lock protecting x only if y 2. Hence the speculative store..
What exactly is a reentrant function? http://stackoverflow.com/questions/2799023/what-exactly-is-a-reentrant-function what will happen main will call myFunction myFunction will acquire the lock myFunction will call myFunction the 2nd myFunction.. will call myFunction the 2nd myFunction will try to acquire the lock fail and wait for it to be released Deadlock. Oops..... there are multiple ways to deadlock a thread by having it acquire twice a non reccursive lock. 4.3. Are all recursive and thread..
Differences between C++ and C#/.Net [closed] http://stackoverflow.com/questions/291513/differences-between-c-and-c-net In C you must handle memory manually or write or acquire a garbage collection library. However great strides have gone..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three empty. This is also fine in this case since we did not acquire any resources in the constructor. The members' destructors are.. for that resource. That usually means the resource is acquired in the constructor or passed into the constructor and released.. this class person char name int age public the constructor acquires a resource in this case dynamic memory obtained via new person..
http://stackoverflow.com/questions/4989451/mutex-example-tutorial same time using the phone to talk to his wife has to first acquire a lock on a mutex clutching the door handle of the booth . Only.. release the lock on the mutex so that another thread can acquire a lock on the mutex other people being able to access the phone.. the simple code could've shown scoped locking by not using acquire and release which also is exception safe but this is clearer..
Double-Checked Lock Singleton in C++11 http://stackoverflow.com/questions/6086912/double-checked-lock-singleton-in-c11 std mutex lock m_mutex if m_instance.load std memory_order_acquire Tp i new Tp m_instance.store i std memory_order_release return.. std memory_order_relaxed Is the std memory_model_acquire of the load operation superfluous Is it possible to further.. them to std memory_order_relaxed In that case is the acquire release semantic of std mutex enough to guarantee its correctness..
Why does the use of 'new' cause memory leaks? http://stackoverflow.com/questions/8839943/why-does-the-use-of-new-cause-memory-leaks RAII Resource Acquisition Is Initialization . When you acquire a resource that needs cleanup you stick it in an object of automatic..
Load an X509 PEM file into Windows CryptoApi http://stackoverflow.com/questions/1231178/load-an-x509-pem-file-into-windows-cryptoapi 1 failed. Err p n GetLastError return 1 Acquire context if CryptAcquireContext hProv NULL NULL PROV_RSA_FULL.. Err p n GetLastError return 1 Acquire context if CryptAcquireContext hProv NULL NULL PROV_RSA_FULL CRYPT_VERIFYCONTEXT printf.. NULL NULL PROV_RSA_FULL CRYPT_VERIFYCONTEXT printf CryptAcquireContext failed err 0x x. n GetLastError return 1 Import the..
Example of how to use boost upgradeable mutexes http://stackoverflow.com/questions/3896717/example-of-how-to-use-boost-upgradeable-mutexes mymap.key_comp k lb first key already exists else Acquire an upgrade lock yes How do I upgrade the shared lock that I..
When to use volatile with multi threading? http://stackoverflow.com/questions/4557979/when-to-use-volatile-with-multi-threading C Standard does not say that volatile applies any kind of Acquire or Release semantics on variables. In fact the Standard is completely.. of multithreading. However specific platforms do apply Acquire and Release semantics on volatile variables. The above all applies.. what volatile does. For example in Windows 2010 at least Acquire and Release semantics do apply to certian operations on volatile..
Creating and returning a big object from a function http://stackoverflow.com/questions/4809120/creating-and-returning-a-big-object-from-a-function n Grab resource from the ObjectProxy. ObjectProxy f Acquire large complex resource like files and store a reference to it..
Is volatile bool for thread control considered wrong? http://stackoverflow.com/questions/6995310/is-volatile-bool-for-thread-control-considered-wrong ... A read of a volatile object volatile read has Acquire semantics ... This allows volatile objects to be used for memory..
Are volatile reads and writes atomic on Windows+VisualC? http://stackoverflow.com/questions/7007403/are-volatile-reads-and-writes-atomic-on-windowsvisualc binary. A read of a volatile object volatile read has Acquire semantics a reference to a global or static object that occurs..
http://stackoverflow.com/questions/712639/understanding-the-meaning-of-the-term-and-the-concept-raii-resource-acquisiti to trigger cleanup UTSTTC RAII is telling you what to do Acquire your resource in a constructor I would add one resource one..
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