Task.cpp

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// -*- C++ -*-
#include <coil/Task.h>

namespace coil
{

  Task::Task()
    : m_count(0)
  {
    ::pthread_attr_init(&m_attr);
  }

  Task::~Task()
  {
    m_count = 0;
  }

  int Task::open(void* args)
  {
    return 0;
  }

  int Task::close(unsigned long flags)
  {
    return 0;
  }

  int Task::svc()
  {
    return 0;
  }

  void Task::activate()
  {
    if (m_count == 0)
      {
        ::pthread_create(&m_thread,
                         &m_attr,
                         (void* (*)(void*))Task::svc_run,
                         this);
        ++m_count;
      };
  }

  int Task::wait(void)
  {
    if (m_count > 0)
      {
        void* retval;
        ::pthread_join(m_thread, &retval);
      }
    return 0;
  }

  int Task::suspend(void)
  {
    return 0;
  }

  int Task::resume(void)
  {
    return 0;
  }

  void Task::reset()
  {
    m_count = 0;
  }

  void Task::finalize()
  {
    reset();
  }

  void* Task::svc_run(void* args)
  {
    Task* t = (coil::Task*)args;
    int status;
    status = t->svc();
    t->finalize();
    return 0;
  }
};