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88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
// $Id: FIFO_Recv.cpp 96985 2013-04-11 15:50:32Z huangh $
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#include "ace/FIFO_Recv.h"
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#include "ace/Log_Category.h"
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#include "ace/OS_NS_fcntl.h"
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#if !defined (__ACE_INLINE__)
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#include "ace/FIFO_Recv.inl"
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#endif /* __ACE_INLINE__ */
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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ACE_ALLOC_HOOK_DEFINE(ACE_FIFO_Recv)
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void
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ACE_FIFO_Recv::dump (void) const
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{
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#if defined (ACE_HAS_DUMP)
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ACE_TRACE ("ACE_FIFO_Recv::dump");
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ACELIB_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
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ACE_FIFO::dump ();
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ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("aux_handle_ = %d"), this->aux_handle_));
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ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
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#endif /* ACE_HAS_DUMP */
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}
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int
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ACE_FIFO_Recv::close (void)
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{
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ACE_TRACE ("ACE_FIFO_Recv::close");
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int result = ACE_FIFO::close ();
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if (this->aux_handle_ != ACE_INVALID_HANDLE)
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return ACE_OS::close (this->aux_handle_);
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else
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return result;
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}
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// Note that persistent means "open fifo for writing, as well as
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// reading." This ensures that the fifo never gets EOF, even if there
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// aren't any writers at the moment!
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int
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ACE_FIFO_Recv::open (const ACE_TCHAR *fifo_name,
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int flags,
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mode_t perms,
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int persistent,
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LPSECURITY_ATTRIBUTES sa)
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{
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ACE_TRACE ("ACE_FIFO_Recv::open");
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if (ACE_FIFO::open (fifo_name, ACE_NONBLOCK | flags, perms, sa) == -1)
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return -1;
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else if (this->disable (ACE_NONBLOCK) == -1)
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return -1;
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else if (persistent
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&& (this->aux_handle_ = ACE_OS::open (fifo_name, O_WRONLY, 0, sa)) == ACE_INVALID_HANDLE)
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return -1;
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else
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return this->get_handle () == ACE_INVALID_HANDLE ? -1 : 0;
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}
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ACE_FIFO_Recv::ACE_FIFO_Recv (void)
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: aux_handle_ (ACE_INVALID_HANDLE)
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{
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ACE_TRACE ("ACE_FIFO_Recv::ACE_FIFO_Recv");
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}
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ACE_FIFO_Recv::ACE_FIFO_Recv (const ACE_TCHAR *fifo_name,
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int flags,
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mode_t perms,
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int persistent,
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LPSECURITY_ATTRIBUTES sa)
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: aux_handle_ (ACE_INVALID_HANDLE)
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{
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ACE_TRACE ("ACE_FIFO_Recv::ACE_FIFO_Recv");
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if (this->ACE_FIFO_Recv::open (fifo_name,
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flags,
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perms,
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persistent,
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sa) == -1)
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ACELIB_ERROR ((LM_ERROR, ACE_TEXT ("%p\n"), ACE_TEXT ("ACE_FIFO_Recv")));
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}
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ACE_END_VERSIONED_NAMESPACE_DECL
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