summaryrefslogtreecommitdiff
path: root/ace/Lock_Adapter_T.inl
blob: 90ba3002e6f700d2d5d0c6bd5ad1b0c4f7ca19dd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
/* -*- C++ -*- */
// $Id$

template <class ACE_LOCKING_MECHANISM> ACE_INLINE
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::ACE_Lock_Adapter (ACE_LOCKING_MECHANISM &lock)
  : lock_ (&lock),
    delete_lock_ (0)
{
}

template <class ACE_LOCKING_MECHANISM> ACE_INLINE
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::~ACE_Lock_Adapter (void)
{
  if (this->delete_lock_)
    delete this->lock_;
}

// Explicitly destroy the lock.
template <class ACE_LOCKING_MECHANISM> ACE_INLINE int
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::remove (void)
{
  return this->lock_->remove ();
}

// Block the thread until the lock is acquired.
template <class ACE_LOCKING_MECHANISM> ACE_INLINE int
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::acquire (void)
{
  return this->lock_->acquire ();
}

// Conditionally acquire the lock (i.e., won't block).

template <class ACE_LOCKING_MECHANISM> ACE_INLINE int
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::tryacquire (void)
{
  return this->lock_->tryacquire ();
}

// Release the lock.

template <class ACE_LOCKING_MECHANISM> ACE_INLINE int
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::release (void)
{
  return this->lock_->release ();
}

// Block until the thread acquires a read lock.  If the locking
// mechanism doesn't support read locks then this just calls
// <acquire>.

template <class ACE_LOCKING_MECHANISM> ACE_INLINE int
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::acquire_read (void)
{
  return this->lock_->acquire_read ();
}

// Block until the thread acquires a write lock.  If the locking
// mechanism doesn't support read locks then this just calls
// <acquire>.

template <class ACE_LOCKING_MECHANISM> ACE_INLINE int
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::acquire_write (void)
{
  return this->lock_->acquire_write ();
}

// Conditionally acquire a read lock.  If the locking mechanism
// doesn't support read locks then this just calls <acquire>.

template <class ACE_LOCKING_MECHANISM> ACE_INLINE int
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::tryacquire_read (void)
{
  return this->lock_->tryacquire_read ();
}

// Conditionally acquire a write lock.  If the locking mechanism
// doesn't support write locks then this just calls <acquire>.

template <class ACE_LOCKING_MECHANISM> ACE_INLINE int
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::tryacquire_write (void)
{
  return this->lock_->tryacquire_write ();
}

// Conditionally try to upgrade a lock held for read to a write lock.
// If the locking mechanism doesn't support read locks then this just
// calls <acquire>. Returns 0 on success, -1 on failure.

template <class ACE_LOCKING_MECHANISM> ACE_INLINE int
ACE_Lock_Adapter<ACE_LOCKING_MECHANISM>::tryacquire_write_upgrade (void)
{
  return this->lock_->tryacquire_write_upgrade ();
}