I need to ha开发者_如何学编程ve a string as a global variable. There is a possibility for multiple threads to set the global variable. Should I have to go for mutex for this? Or will OS handle such ac
If I have a module that has a mutex and I write the value of an int variable using lock/unlock on the mutex, how is the same mutex locked/unlocked in anothe开发者_高级运维r module that is being run in
class temp { boost::mutex mx; void CriticalCo开发者_JAVA百科de() { boost::mutex::scoped_lock scoped_lock(mx);
class MyClass { public: void PushMessage(MyMessage m) // Thread 1 calls this 开发者_Go百科{ boost::mutex::scoped_lock lock(mMutex);
I am trying to synchronize two thread (working on the same C++ map) using the Boost library. I must tell that I am not an expert in C++ and I find the boost documentation quite hard to understand.
is there something in boost th开发者_开发知识库at translates to windows CRITICAL_SECTION? CRITICAL_SECTION is a so called \"user mode\" mutex that uses spin locks instead of blocking and avoids expens
I have the following code static pthread_mutex_t watchdogMutex = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t watchdogCond = PTHREAD_COND_INITIALIZER;
If a variable that is being modified in a thread and is properly locked and unlocked using a mutex is read in a while loop in another thread how does one lock and unlock the mutex so that the while lo
Hi I have a c# windows form written in .Net 4. In the application a timer event calls a function and all is fine. however I have updated the app so its a single instance app and when a second instance
Suppose I use a lock hierarchy to avoid deadlock. If I use reader-writer mutexes, how should I think about and use these? Do there exist (can I think of) a distinct reading lock and writing lock in th
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