Search DaniWeb - producer

Re: I built a kafka GUI client for operating kafka, welcome to use 1 Month Ago by elary It is a nice project.Is there any notification function? Producer/Consumer problem.. 14 Years Ago by hansel13 …gt;tail = fifo; } } //print_queue(s); // Create producer threads for(i = 0; i < PRODUCERS; i++) …{ pthread_create(&producerVar[i], NULL, producer, &i); //pthread_join(producerVar[i], NULL); } //… Re: Producer/Consumer problem.. 14 Years Ago by hansel13 … my output now.. [CODE] IN PRODUCER Producer: 1 IN PRODUCER Producer: 7 Myfile: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa IN PRODUCER Producer: 12 Myfile: bbbbbbbb IN PRODUCER Producer: 18 Myfile: ccccccc CONSUMER: 143320… Re: Producer/Consumer problem.. 14 Years Ago by funter …; struct thread_data{ int thread_number; char *thread_type; }; struct thread_data *producer, *consumer; struct product{ int id; int life; struct timeval…consumerThreadCount]; int count = 0; //counter for number of threads producer = new struct thread_data[producerThreadCount]; consumer = new struct thread_data[… Re: Producer/Consumer problem.. 14 Years Ago by nezachem There are several problems with this code. 1. The producer locks the queue for much too long. The mutex can … more than enough time to do their job while another producer opens and reads its file. That's why you only… Producer Consumer IPC circular queue 12 Years Ago by marc.punzirudu …*/ exit(0); } else { /* Parent becomes the producer */ producer(); /* Wait for child to finish */ wait(&status… shmID=shmget(IPC_PRIVATE, NUM_ELEM, 0666 | IPC_CREAT); } void producer() { /* attach shared memory to process */ shmPtr=(char*)shmat… Re: Producer Consumer IPC circular queue 12 Years Ago by marc.punzirudu … exit(0); } else { /* Parent becomes the producer */ producer(); /* Wait for child to finish */ wait(&status… (shmPtr == (void *)(-1)) { perror("shmat failed in producer"); exit(1); } while(x = getchar() != EOF) … Producer Consumer Implementation using ExecutorService 11 Years Ago by nikolaos …has no elements. why is that; Both producer - consumer threads seem to work. import java… } executorServiceThreadPool.finish(); } private class Producer implements Runnable { int data; public Producer(int datatoput) { data = datatoput;… Re: Producer-Consumer issue 12 Years Ago by bguild …threads may both start doing things simultaneously. When your producer puts a value into the buffer it notifies all … your consumer was waiting and now wakes up. Your producer immediately leaves its synchronized block, which gives the consumer …doubt that this is a race; as soon as the producer's `synchronized` block ends, the starting gun fires … Producer-Consumer issue 12 Years Ago by dinamit3 …gets the next number from the buffer even if the producer hasn't put nothing in the buffer. Example : ….out.println("Consumatorul a primit:\t" + mesaj); } } } Producer: class Producator extends Thread { private Buffer buffer; private String mesaj… Re: Producer Consumer Implementation using ExecutorService 11 Years Ago by nikolaos …lt; 10; i++) { executorServiceThreadPool.addThread(new Producer(i, cdl)); executorServiceThreadPool.addThread(new Consumer(cdl)); …" "); } } private class Producer implements Runnable { int data; private final CountDownLatch … producer consumer simulation 15 Years Ago by kavi_90 I have to write a program where the producer gets the some number of inputs from the user … 5. my program works perfectly in the area that producer and consumer access the shared memory mutually but when i…sem_num=sem_num; sop.sem_flg=SEM_UNDO; semop(semid,&sop,1); } //Producer #include"pro_cons.h" main() { int *data,c,… Producer and Consumer 14 Years Ago by vavazoom …utilizes producers and consumers for an operating systems class. Each producer and each consumer will be its own thread. The …use actual pthreads. My original plan was to create a Producer class and a Consumer class and simulate the threads, …of structs (the struct being the record created by the producer), but was now told I need to actually use … Re: Producer Consumer Implementation using ExecutorService 11 Years Ago by JamesCherrill … kind of semaphore or wait/notify synchronisation to ensure the producer and consumer threads have executed before printing the results - a… Re: Producer and Consumer 14 Years Ago by mike_2000_17 … (available in Boost.Thread or in pthread) and have the producer add elements to the end of the queue and have… not empty. Now, the queue becomes a buffer between the producer and consumer because if either one slows down momentarily for… Re: producer consumer simulation 15 Years Ago by KenJackson … those variables regardless of which function calls them. Are the producer and consumer running asynchronous to each other (i.e. in… Re: Producer and Consumer 14 Years Ago by vavazoom … new thread for this question, however it pertains to the producer consumer problem I am working on, and am hoping you… Re: Producer and consumer problem 12 Years Ago by DeanMSands3 Let me Google that for you: http://lmgtfy.com/?q=producer+consumer+c%2B%2B+pthread Third link on first page: http://richiejp.com/pthread-producer-consumer-example-in-c/ Producer and consumer problem 12 Years Ago by Geeksoftie I was asked to write code for consumer and producer threads accessing shared queue in an interview with the given primitives ADDNEW.Process PROCESS.SET PROCESS.RESET ENTER CS EXIT CS LOOP EXIT LOOP WAIT# PROCESS Re: Producer and consumer problem 12 Years Ago by jimzandueta here's a good application that simulates the consumer-producer problem : http://sourceforge.net/projects/bufferanimation/ Re: Producer-Consumer Using message queue 14 Years Ago by group256 In producer-consumer problem, there is a value that both sides need … you consume one, you pass the remaining to inform the producer how many products is left. Use the functions you mentioned… implementation of semaphores to sovle producer/consumer 12 Years Ago by CPT …((Entity)ent).action(); } public void action() { if (this.eType == EntityType.Producer) { Console.WriteLine("Thread producerr fired!"); this.produce(); } else… Single Producer 10 consumer(Parallel consumption) Problem 9 Years Ago by Sandeep_16 … threads. The consumers has to subscribe (Ad themselves) to the producer in-order to get any messages that produces sends. The… expected functionality is that, the producer should add a message to a data structure/collection (you… Re: Single Producer 10 consumer(Parallel consumption) Problem 9 Years Ago by Sandeep_16 this example is just for sipmle Producer consumer Problem. How would each consumer consume the same message without synchronization? How would Producer notify all consumers?? Consumer Producer problem in python 11 Years Ago by chanchalrawat I am writing a code of the consumer producer problem in python , so far I am almost ready but … threading import Thread, Lock wallet = [] lock = Lock() global obj def producer(obj): lock.acquire() for i in range(10): obj = obj… Re: Single Producer 10 consumer(Parallel consumption) Problem 9 Years Ago by Sandeep_16 … simply doing this que using eclipse. my main concern is producer have to notify all the consumers but if i use… Re: Single Producer 10 consumer(Parallel consumption) Problem 9 Years Ago by JamesCherrill Sorry, yes, it's designed for normal producer/consumer stuff. You don't often see the need to consume the same event in ten consumers. Re: Single Producer 10 consumer(Parallel consumption) Problem 9 Years Ago by Sandeep_16 But Please read the statement above , every consumer have to consume the same message produse by the producer. When it consumed by all the 10 thrtead then it has to removed from data collection or Queue. There will be parallel consumption of that Produced message. Re: Single Producer 10 consumer(Parallel consumption) Problem 9 Years Ago by JamesCherrill … consumer to finish. Do you want to allow for the producer to add new messages before the last consumer has processed… Re: Single Producer 10 consumer(Parallel consumption) Problem 9 Years Ago by Sandeep_16 Yes, I want. Producer is not dependent on consumer anyway. It should produce message after every 2 mintus rather the message is consume or not by all the 10 thread but should remove after consumed by last thread.