C++ (Cpp) semaphore::post Examples

Programming Language: C++ (Cpp)

Class/Type: semaphore

Method/Function: post

Examples at hotexamples.com: 3

Semaphore.post (or semaphore signal) is a method used in the C++ programming language to increment the value of a semaphore, allowing blocked threads or processes to be released. When a semaphore is posted, it increases its value, which essentially represents the number of available resources or permits. This operation is useful for synchronizing concurrent threads or controlling access to shared resources, as it allows one or more blocked threads waiting on the semaphore to proceed.

C++ (Cpp) semaphore::post - 3 examples found. These are the top rated real world C++ (Cpp) examples of semaphore::post extracted from open source projects. You can rate examples to help us improve the quality of examples.

Frequently Used Methods

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wait(10)

signal(8)

release(5)

acquire(3)

post(3)

value(2)

notify(1)

signal_host(1)

wait_host(1)

Example #1

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File: two_synch_tasks_semaphore.cpp Project: nandohca/kista

    void task1()   // producer task
     {
		unsigned int data_token = 0;
		
		while(true) {
		  cout << "\ttask 1 " << " starts some computation at t=" << sc_time_stamp() << endl;
		  consume(t_prod);
          cout << "\ttask 1 " << " dumps data on the circular buffer at t=" << sc_time_stamp() << endl;		  
		  
#ifdef _USING_SEMAPHORE_FOR_PROTECTING_THE_ACCESS
		  write_sem.wait();
#endif		
		  unprotected_cbuff.push(data_token);

#ifdef _USING_SEMAPHORE_FOR_PROTECTING_THE_ACCESS
		  read_sem.post();
#endif				  
		  data_token++;
		  
#ifdef _USING_FLAG_FOR_PROTECTING_THE_ACCESS
		  flag1.set();
#endif		  
  
		}
     }

Example #2

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File: two_synch_tasks_semaphore.cpp Project: nandohca/kista

     void task2()  // consumer task
     {
		while(true) {
			cout << "Task 2 waits for data at time " << sc_time_stamp() << endl;
#ifdef _USING_FLAG_FOR_PROTECTING_THE_ACCESS			
			wait(flag1);
#endif

#ifdef _USING_SEMAPHORE_FOR_PROTECTING_THE_ACCESS
			read_sem.wait();
#endif
			// KisTA model
		    cout << "task 2 " << "READ " << unprotected_cbuff.pop() << " from circular buffer at t=" << sc_time_stamp() << endl;
			consume(t_cons);
			cout << "task 2 " << "ends some processing at t=" << sc_time_stamp() << endl;
#ifdef _USING_SEMAPHORE_FOR_PROTECTING_THE_ACCESS
			write_sem.post();
#endif		    
		}
     }

Example #3

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File: callback_interpreter.hpp Project: ELVIS-Project/VISIntervalSonifier

 void run(semaphore & sync_sem)
 {
     running.store(true, boost::memory_order_relaxed);
     sync_sem.post();
     perform();
 }