C++ System Programming Cookbook by Onorato Vaticone

Author:Onorato Vaticone [Onorato Vaticone]
Language: eng
Format: epub
Tags: COM051070 - COMPUTERS / Programming Languages / C++, COM011000 - COMPUTERS / Systems Architecture / General, COM046030 - COMPUTERS / Operating Systems / UNIX
Publisher: Packt
Published: 2020-02-21T13:07:35+00:00

constexpr auto MAX_ITEM_IN_QUEUE = 5;

struct QueueInfo

{

sem_t mutex;

sem_t full;

sem_t empty;

std::vector<int> queue;

};

Now, let's write the code for producer:

void* producer(void *arg)

{

QueueInfo* info = (QueueInfo*)arg;

std::cout << "Thread Producer Started ... " << std::endl;

for (int i = 0; i < 1000; i++)

{

sem_wait(&info->full);

sem_wait(&info->mutex);

info->queue.push_back(i);

std::cout << "Thread Producer Started ... size = "

<< info->queue.size() << std::endl;

sem_post(&info->mutex);

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