ACE/ace/File_Lock.inl

   1 // -*- C++ -*-
   2 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
   3
   4 ACE_INLINE int
   5 ACE_File_Lock::acquire_read (short whence, ACE_OFF_T start, ACE_OFF_T len)
   6 {
   7 // ACE_TRACE ("ACE_File_Lock::acquire_read");
   8   return ACE_OS::flock_rdlock (&this->lock_, whence, start, len);
   9 }
  10
  11 ACE_INLINE int
  12 ACE_File_Lock::tryacquire_read (short whence, ACE_OFF_T start, ACE_OFF_T len)
  13 {
  14 // ACE_TRACE ("ACE_File_Lock::tryacquire_read");
  15   return ACE_OS::flock_tryrdlock (&this->lock_, whence, start, len);
  16 }
  17
  18 ACE_INLINE int
  19 ACE_File_Lock::tryacquire_write (short whence, ACE_OFF_T start, ACE_OFF_T len)
  20 {
  21 // ACE_TRACE ("ACE_File_Lock::tryacquire_write");
  22   return ACE_OS::flock_trywrlock (&this->lock_, whence, start, len);
  23 }
  24
  25 ACE_INLINE int
  26 ACE_File_Lock::tryacquire_write_upgrade (short whence,
  27                                          ACE_OFF_T start,
  28                                          ACE_OFF_T len)
  29 {
  30 // ACE_TRACE ("ACE_File_Lock::tryacquire_write_upgrade");
  31   return ACE_OS::flock_trywrlock (&this->lock_, whence, start, len);
  32 }
  33
  34 ACE_INLINE int
  35 ACE_File_Lock::tryacquire (short whence, ACE_OFF_T start, ACE_OFF_T len)
  36 {
  37 // ACE_TRACE ("ACE_File_Lock::tryacquire");
  38   return this->tryacquire_write (whence, start, len);
  39 }
  40
  41 ACE_INLINE int
  42 ACE_File_Lock::acquire_write (short whence, ACE_OFF_T start, ACE_OFF_T len)
  43 {
  44 // ACE_TRACE ("ACE_File_Lock::acquire_write");
  45   return ACE_OS::flock_wrlock (&this->lock_, whence, start, len);
  46 }
  47
  48 ACE_INLINE int
  49 ACE_File_Lock::acquire (short whence, ACE_OFF_T start, ACE_OFF_T len)
  50 {
  51 // ACE_TRACE ("ACE_File_Lock::acquire");
  52   return this->acquire_write (whence, start, len);
  53 }
  54
  55 ACE_INLINE int
  56 ACE_File_Lock::release (short whence, ACE_OFF_T start, ACE_OFF_T len)
  57 {
  58 // ACE_TRACE ("ACE_File_Lock::release");
  59   return ACE_OS::flock_unlock (&this->lock_, whence, start, len);
  60 }
  61
  62 ACE_INLINE int
  63 ACE_File_Lock::remove (bool unlink_file)
  64 {
  65 // ACE_TRACE ("ACE_File_Lock::remove");
  66
  67   int result = 0;
  68
  69   if (!this->removed_)
  70     {
  71       this->removed_ = true;
  72       result = ACE_OS::flock_destroy (&this->lock_,
  73                                       unlink_file);
  74     }
  75   return result;
  76 }
  77
  78 ACE_INLINE ACE_HANDLE
  79 ACE_File_Lock::get_handle () const
  80 {
  81 // ACE_TRACE ("ACE_File_Lock::get_handle");
  82   return this->lock_.handle_;
  83 }
  84
  85 ACE_INLINE void
  86 ACE_File_Lock::set_handle (ACE_HANDLE h)
  87 {
  88 // ACE_TRACE ("ACE_File_Lock::set_handle");
  89   this->lock_.handle_ = h;
  90   this->removed_ = false;
  91 }
  92
  93 ACE_END_VERSIONED_NAMESPACE_DECL