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Questions tagged [boost-mutex]

The mutual exclusion classes of the Boost.Thread library are designed to serialize access to resources shared between C++ threads.

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boost or stl class for completely (purely) user space locks in c/c++?

Is there any class exists in boost or std STL, which takes advantages of atomic instructions and implements the synchronization locks which runs only in user space? I am sure that thread will spin continuously to acquire lock with such…
rahul.deshmukhpatil
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Error : An exception (first chance) at 0x76f6f9d2 in Boost_Mutex.exe: 0xC0000008: An invalid handle was specified

I write a program to test multithreading. In main function a thread t is created. In function D, which is in thread t, two threads tt and ttt will be created. The function Process runs in thread ttt . In Process a member function doAnotherThing of…
rayallen
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Boost scoped_lock failed every time

In a class, I want to use a mutex over a function like this void Agent::notify(Packet& packet, Peer peer) { boost::mutex::scoped_lock lock(mutex_); ... } No problem at the compilation process. But when I execute the program, boost always…
Saroupille
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How to correctly use boost::timed_mutex and scoped_lock

I am trying to use both timed_mutex with the scoped_lock. I have successfully used the scoped_lock before by following some examples but now I don't seem to find my way around neither I am able to properly understand the boost documentation. The…
Pol Alvarez Vecino
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boost mutex in parallel quicksort

This is my first time using mutexes so I am not exactly sure about what I am doing but I think I am having an error with the thread safety of the push_back function using the vector container (I am having multiple threads write to it at the same…
Dan
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Deferring locks and `boost::lock`

I was reading the difference between a lock_guard and a unique_lock and I found out that a unique_lock is an enhanced version of a lock_guard. Such that with a unique lock a lock can always be deferred.I was reading this article and I came across…
Rajeshwar
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Lock Mutex but don't wait for it to be unlocked

How would I lock a std::mutex or boost::mutex so at the start of my method I would lock it, but regardless of it already being locked or not just proceed with the code. I want this kind of behaviour because there is going to be 2 threads that'll be…
Jeroen
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Hide Boost::mutex from DLL Interface from lockable Container

I've been using Boost in a DLL project but didn't export any Boost dependencies ...yet. Just C-Types and things which derive from the DLL Source tree itself. But now I'm struggling with a lockable data model... I cannot get it designed exception…
Hhut
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One Writer Many Readers issue for map

I seem to be having an issue synchronizing a data collection. In this particular class, I have a data collection, mutex, and condition variable that looks something like: map collection; boost::mutex…
Shaz
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creating scoped_lock for 200 ms max

I am trying to create a timed scoped lock on mutex. I thought following api from boost could help but I am having hard time finding some sample code as reference to use it. scoped_lock(mutex_type & m, const boost::posix_time::ptime & abs_time); I…
RLT
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Using boost::bind with a class containing a boost::mutex

I'm working on a server using a watchdir to add items to an internal collection. The watchdir is browsed periodically by a thread which is created like this : this->watchDirThread = new boost::thread(boost::bind(&Filesystem::watchDirThreadLoop, …
Opera
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heap corruption and mutex

I have a serious bug in an application, and I try to understand what is going on.. I have some logs just before the crash. I can't reproduce the bug simply. the context : Thread1: void f() { log(thread1_1) boost::lock_guard<…
Guillaume Paris
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multithreaded program producer/consumer [boost]

I'm playing with boost library and C++. I want to create a multithreaded program that contains a producer, conumer, and a stack. The procuder fills the stack, the consumer remove items (int) from the stack. everything work (pop, push, mutex) But…
ezzakrem
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How do you share a mutex among different instances of a class?

I was wondering how to share a mutex in one class amongst different instances of another class. Right now, I have a class, Indexer, that has a Boost mutex and condition_variable as private member variables. I create an auto_ptr of the Indexer class…
noko
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