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/* -*- C++ -*- */
// $Id$
// FIFO_Recv_Msg.i
// Note that the return values mean different things if
// ACE_HAS_STREAM_PIPES vs. if it doesn't... See the manual page on
// getmsg(2) and read(2) for more details.
ASYS_INLINE ssize_t
ACE_FIFO_Recv_Msg::recv (ACE_Str_Buf &recv_msg)
{
ACE_TRACE ("ACE_FIFO_Recv_Msg::recv");
#if defined (ACE_HAS_STREAM_PIPES)
int i = 0;
if (ACE_OS::getmsg (this->get_handle (),
(strbuf *) 0,
(strbuf *) &recv_msg,
&i) == -1)
return -1;
else
return recv_msg.len;
#else /* Do the ol' 2-read trick... */
if (ACE_OS::read (this->get_handle (),
(char *) &recv_msg.len,
sizeof recv_msg.len) != sizeof recv_msg.len)
return -1;
else
return ACE_OS::read (this->get_handle (),
(char *) recv_msg.buf,
(int) recv_msg.len);
#endif /* ACE_HAS_STREAM_PIPES */
}
ASYS_INLINE ssize_t
ACE_FIFO_Recv_Msg::recv (void *buf, size_t max_len)
{
ACE_TRACE ("ACE_FIFO_Recv_Msg::recv");
ACE_Str_Buf recv_msg ((char *) buf, 0, max_len);
return this->recv (recv_msg);
}
#if defined (ACE_HAS_STREAM_PIPES)
ASYS_INLINE ssize_t
ACE_FIFO_Recv_Msg::recv (ACE_Str_Buf *data,
ACE_Str_Buf *cntl,
int *flags)
{
ACE_TRACE ("ACE_FIFO_Recv_Msg::recv");
if (ACE_OS::getmsg (this->get_handle (),
(strbuf *) cntl,
(strbuf *) data,
flags) == -1)
return -1;
else
return (cntl == 0 ? 0 : cntl->len) + (data == 0 ? 0 : data->len);
}
ASYS_INLINE ssize_t
ACE_FIFO_Recv_Msg::recv (int *band,
ACE_Str_Buf *data,
ACE_Str_Buf *cntl,
int *flags)
{
ACE_TRACE ("ACE_FIFO_Recv_Msg::recv");
if (ACE_OS::getpmsg (this->get_handle (),
(strbuf *) cntl,
(strbuf *) data,
band,
flags) == -1)
return -1;
else
return (cntl == 0 ? 0 : cntl->len) + (data == 0 ? 0 : data->len);
}
#endif /* ACE_HAS_STREAM_PIPES */
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