// FIFO_Recv.cpp
// $Id$

/* -*- C++ -*- */

#define ACE_BUILD_DLL
#include "ace/FIFO_Recv.h"

ACE_ALLOC_HOOK_DEFINE(ACE_FIFO_Recv)

void
ACE_FIFO_Recv::dump (void) const
{
  ACE_TRACE ("ACE_FIFO_Recv::dump");
  ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
  ACE_FIFO::dump ();
  ACE_DEBUG ((LM_DEBUG, "aux_handle_ = %d", this->aux_handle_));
  ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
}

int 
ACE_FIFO_Recv::close (void)
{
  ACE_TRACE ("ACE_FIFO_Recv::close");
  int result = ACE_FIFO::close ();
  if (this->aux_handle_ != ACE_INVALID_HANDLE)
    return ACE_OS::close (this->aux_handle_);
  else
    return result;
}

// Note that persistent means "open fifo for writing, as well as
// reading."  This ensures that the fifo never gets EOF, even if there
// aren't any writers at the moment!

int
ACE_FIFO_Recv::open (const char *fifo_name, int flags, int perms, int persistent)
{
  ACE_TRACE ("ACE_FIFO_Recv::open");
  if (ACE_FIFO::open (fifo_name, ACE_NONBLOCK | flags, perms) == -1)
    return -1;
  else if (this->disable (ACE_NONBLOCK) == -1)
    return -1;
  else if (persistent && (this->aux_handle_ = 
			  ACE_OS::open (fifo_name, O_WRONLY)) == ACE_INVALID_HANDLE)
    return -1;
  else
    return this->get_handle () == ACE_INVALID_HANDLE ? -1 : 0;
}

ACE_FIFO_Recv::ACE_FIFO_Recv (void): aux_handle_ (ACE_INVALID_HANDLE)
{
  ACE_TRACE ("ACE_FIFO_Recv::ACE_FIFO_Recv");
}

ACE_FIFO_Recv::ACE_FIFO_Recv (const char *fifo_name, int flags, int perms, int persistent)
{
  ACE_TRACE ("ACE_FIFO_Recv::ACE_FIFO_Recv");
  if (this->ACE_FIFO_Recv::open (fifo_name, flags, perms, persistent) == -1)
    ACE_ERROR ((LM_ERROR, "%p\n", "ACE_FIFO_Recv"));
}