c++ producer/ consumer async update char* from Thread A, read latest update from Thread B

Looking for a way to asynchrously update a char* and bool from one thread, while getting the latest update in a separate thread. Needs to be efficient and thread safe. I'm a .net developer and not very familiar with concurrent programming in c++. Here is a sample class describing what I need to be able to do

#pragma once

#include <string>

class TestClass




// Called from Thread 1 Producer

void UpdateStrA(const char * msg)


pre_msg = _strdup(msg);


// Called from Thread 1 Producer

void UpdateB(const char* msg)


if (msg == "t")

b_do_stuff = true;


b_do_stuff = false;






// Called from Thread 2 Consumer

void CheckUpdateA()


std::string sMsgFull = pre_msg + std::string(" msg append");

// now we will send full message


// Called from Thread 2 Consumer

void CheckUpdateB()


if (b_do_stuff)





void DoStuff(){}

char* pre_msg = new char[1];

bool b_do_stuff = false;


Skills: C++ Programming, C Programming

See more: c++ background thread, c++ create multiple threads, c++ pthread vs thread, c++ thread, mutex c++, thread join c++, c++ semaphore, c++ multithreading, shared buffer producer consumer, unix fork processes producer consumer, producer consumer problem files, project producer consumer problem, producer consumer code fork, producer consumer problem unix, producer consumer unix, producer consumer problem in c using semaphores and threads, producer consumer problem in c using queue, producer consumer problem in c linux, producer-consumer problem in c using pthreads/bounded-buffer/semaphore, producer consumer problem in c using threads

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Project ID: #21630911

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