xref: /gem5/src/systemc/tests/systemc/communication/sc_semaphore/test03/test_sem.cpp

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/*****************************************************************************

  test_sem.cpp --

  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15

 *****************************************************************************/

/*****************************************************************************

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
  changes you are making here.

      Name, Affiliation, Date:
  Description of Modification:

 *****************************************************************************/

#include "test_sem.h"

TestSem::TestSem( sc_module_name )
        :sem_1(5)
{
	SC_THREAD(body_1);
	sensitive << clk.pos();
    SC_THREAD(body_2);
	sensitive << clk.pos();
}

void TestSem::body_1()
{
    unsigned int loop_counter=0;
    char buf[BUFSIZ];

    while (loop_counter++<10 && !sem_1.wait())
    {
        sprintf(buf, "time %f => thread1 : took semaphore %d times\n",
                sc_time_stamp().to_double(), loop_counter);
        cout << buf << flush;
}

    sprintf(buf, "time %f => thread1 : value of semaphore = %d\n",
            sc_time_stamp().to_double(), sem_1.get_value());
    cout << buf << flush;

    sc_stop();
}

void TestSem::body_2()
{
    unsigned int loop_counter=0;
    char buf[BUFSIZ];

    do
    {
        wait(2);
        sem_1.post();
        sprintf(buf, "time %f => thread2 : posted semaphore 1\n",
                sc_time_stamp().to_double());
        cout << buf << flush;
    }
    while (loop_counter++ < 5);

    wait(100);
}