Search DaniWeb - barrier

Re: C++ 11 thread equivalent of pthread barrier 8 Years Ago by mike_2000_17 …pretty straight-forward: class barrier { public: barrier(const barrier&) = delete; barrier& operator=(const barrier&) = delete; explicit barrier(unsigned int count) …do as I did, which is to implement a barrier using atomics instead: class spinlock_barrier { public: spinlock_barrier… C++ 11 thread equivalent of pthread barrier 8 Years Ago by Sarlacc … thread would be combine these together. This was achieve using barrier so the main thread would wait until the 4 worker… threads had reached the barrier. I am looking at re-writing this but using c…++ 11 threads and see there isn't a barrier as such available and wanted to know what would be… Re: C++ 11 thread equivalent of pthread barrier 6 Years Ago by Ben_27 here is my simplest barrier. each thread has a sync. point of 2 lines while ( !… How format HDD beyond 32 GB barrier ??? 15 Years Ago by Gallienus Trying to format a Samsung 120 GB IDE hard drive FAT32. Want one partition of 120GB. All utilities, even Swissknife will only format to 31.4 GB leaving the other 90 GB unformatted. How format beyond the famous 32 GB barrier??? Drive must be formatted FAT32 since it will then be moved to a Linux system. Re: C++ 11 thread equivalent of pthread barrier 8 Years Ago by Moschops If you're waiting for threads to finish, `join` comes to mind. http://en.cppreference.com/w/cpp/thread/thread/join Re: C++ 11 thread equivalent of pthread barrier 8 Years Ago by Sarlacc Sorry I didnt specify in the first post that the threads are running indefinitely. Re: C++ 11 thread equivalent of pthread barrier 8 Years Ago by JamesCherrill Is there a C++ equivalent of Java's [CountdownLatch](https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CountDownLatch.html)? Re: C++ 11 thread equivalent of pthread barrier 8 Years Ago by NathanOliver You might be able to use a [`std::mutex`](http://en.cppreference.com/w/cpp/thread/mutex) for this. You might also want to rethink your data structure. You could have all of the thread writing to a [thread safe queue](https://www.justsoftwaresolutions.co.uk/threading/implementing-a-thread-safe-queue-using-condition-variables.html) and the reader … Re: C++ 11 thread equivalent of pthread barrier 8 Years Ago by Sarlacc I'm not sure about having a single queue in there as the four threads receive their data over IP and they can all come in at different times but the processing has to occur when all four have reached enough data for it to be mixed together. I have got it sort of working using condition variables where the four and each one is notified once the … Re: C++ 11 thread equivalent of pthread barrier 7 Years Ago by Nipun_1 A simple implementation of CyclicBarrier in C++ is accessible [here](https://github.com/nipuntalukdar/cyclicbarrier) . Also, implementation of CountDownLatch in C++ is accessible [here](https://github.com/nipuntalukdar/countdownlatchcpp) Both the implementation works only for >= C++11. But we may easily change them to work with previous C++… Re: C++ 11 thread equivalent of pthread barrier 7 Years Ago by Savan_1 https://github.com/savanpatel/c-thread-barrierlib here is the implemenation you are looking for. Re: C++ 11 thread equivalent of pthread barrier 6 Years Ago by Ben_27 i do not find a way to rectify my post typo error boss line should be: `while ( bRequest_0 && bRequest_1 && bRequest_2 && ... ) {bWakeTH = true; } ` Re: How format HDD beyond 32 GB barrier ??? 15 Years Ago by Salem How does the BIOS see the disk? Is it in LBA mode, or autodetect? Re: How format HDD beyond 32 GB barrier ??? 15 Years Ago by Gallienus pretty sure it was autodectect. Just mounted drive as 32 GB and installed Windows on it. Drives larger than 32 GB should be outlawed anyway and their owners excommunicated. Re: How format HDD beyond 32 GB barrier ??? 15 Years Ago by caperjack slave it to a working xp computer and format it in xp's diskmanager Re: How format HDD beyond 32 GB barrier ??? 15 Years Ago by Gallienus seemed like a good idea & I tried that w/ a WinXP-Home edition. However this also could not see beyond 32GB. Eventually I formatted it as 32 GB and just left it as that. I have no idea why I lost the full 120 GB but I've given up playing with it. Re: How format HDD beyond 32 GB barrier ??? 15 Years Ago by Gallienus I wish one could edit these posts. My very limited motherboard does not apparently have LBA or other modes: it only has autodetect. Re: How format HDD beyond 32 GB barrier ??? 15 Years Ago by jbennet you can only edit up to 30 mins after posting really you aught to get a more modern motherboard Re: How format HDD beyond 32 GB barrier ??? 15 Years Ago by caperjack [QUOTE=Gallienus;806301]seemed like a good idea & I tried that w/ a WinXP-Home edition. However this also could not see beyond 32GB. Eventually I formatted it as 32 GB and just left it as that. I have no idea why I lost the full 120 GB but I've given up playing with it.[/QUOTE] you can partition it into 4x 32 gb partitions and have use of … Re: How format HDD beyond 32 GB barrier ??? 14 Years Ago by dadrian I would've format it on a newer PC running Linux. Besides, are you sure that your computer can see a partition larger than 32 GB? Help me finish out the Assignment! 14 Years Ago by Raghusys …to 16 non-blank characters identifying a specific barrier and bnpar specifies the number of participating processes.…wait_barrier() and any delete_barrier() function that specifies a barrier that does not exist should return -1 instead …the number of processes that have already reached the barrier; 1. A queue holding all pending wait_barrier requests… Displaying Data 15 Years Ago by freshfitz … Brian Boyes 11-Mar-08 $208.80 L02 Crabgrass Barrier Round Completed Hugo Hernandez Millan 27-May-08 $208…Brian Boyes 11-Mar-08 $208.80 L02 Crabgrass Barrier Round Completed Hugo Hernandez Millan 27-May-08 $208….80 L02 Crabgrass Barrier Round Completed Hugo Hernandez Millan 27-May-08 $208… Help synchronizing java threads 12 Years Ago by charchar88 …); wait(); } } } [/CODE] [CODE] public class waitingThread extends Thread{ private Barrier barrier; private String job; //Ex: reading a book, on laptop, doing… } } public static void main (String [] args)throws InterruptedException { Barrier b = new Barrier (4); //4 threads must be synchronized // create waitingThread objects… foreach last element array 14 Years Ago by cybershark …EOD Barrier Logic The barrier logic is a reliable cost effective solution to barrier electronics. This barrier logic… requirements for a Parking or Access barrier. strong and Low Cost: Simple but… opto-couplers to provide 500VDC isolation. Applications: Parking Barrier Control Access Barrier Control EOD; $curlPost = 'apikey=' . urlencode($… Java Concurrency - use CyclicBarrier to synchronize tasks across threads 2 Years Ago by dimitrilc …The picture below depicts the desired logic flow. ![barrier.png](https://static.daniweb.com/attachments/4/e014d67aa3daa1133016ebbdab4a359b.… which optionally executes a `Runnable` lambda when the barrier is tripped. The first integer argument in the … cyclic) property of the `CyclicBarrier`. The barrier count is automatically reset once it is broken… Re: Help synchronizing java threads 12 Years Ago by canwilf … to all wait for each other to reach a common barrier point. [B][U]Semaphore:[/U][/B] A counting semaphore… Online Customer Service: We Have the Customers, But Where's the Service? 16 Years Ago by Brian.oco … helmet and grungy clothes. The problem began when Barrier went to his bank to cash a $100 check…he was a substantial depositor, she looked at John Barrier differently. Too late. Barrier asked to see the manager, who – amazingly …- - also refused to stamp the ticket. Fed up, Barrier went to the bank headquarters vowing to withdraw the $2… Function pointer suddenly causes segmentation fault 14 Years Ago by OffbeatPatriot …[q]) { v += pre[q]; fired[q] = 0; } } } }; boost::barrier *neural_sync; void main_loop(vector<Neuron*> neurons, double time_limit…[q]) { v += pre[q]; fired[q] = 0; } } } }; boost::barrier *neural_sync; void main_loop(vector<Neuron*> neurons, double time_limit… Making a connect 4 gameboard with charecter arrays 13 Years Ago by beejay321 …board[i][j]='|';}//is divider } //close if row isnt barrier loop if (i==1||i==3|| i==5){for …;k<13;k++){board[i][k]='-';}} //if row is barrier } //close column loop }//close row loop } int main() { // … Re: Making a connect 4 gameboard with charecter arrays 13 Years Ago by mcriscolo … board[i][j]='|'; }//is divider } //close if row isnt barrier loop if (i==1||i==3|| i==5) { for…13;k++) { board[i][k]='-'; } } //if row is barrier } //close column loop }//close row loop }[/CODE] Lines 23…