author | coleenp |
Thu, 10 Jan 2019 15:13:51 -0500 | |
changeset 53244 | 9807daeb47c4 |
parent 50113 | caf115bb98ad |
permissions | -rw-r--r-- |
50113 | 1 |
/* |
53244
9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
50113
diff
changeset
|
2 |
* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved. |
50113 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
7 |
* published by the Free Software Foundation. |
|
8 |
* |
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
13 |
* accompanied this code). |
|
14 |
* |
|
15 |
* You should have received a copy of the GNU General Public License version |
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
18 |
* |
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
20 |
* or visit www.oracle.com if you need additional information or have any |
|
21 |
* questions. |
|
22 |
* |
|
23 |
*/ |
|
24 |
||
53244
9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
50113
diff
changeset
|
25 |
#ifndef SHARE_JFR_WRITERS_JFRSTORAGEHOST_INLINE_HPP |
9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
50113
diff
changeset
|
26 |
#define SHARE_JFR_WRITERS_JFRSTORAGEHOST_INLINE_HPP |
50113 | 27 |
|
28 |
#include "jfr/writers/jfrStorageHost.hpp" |
|
29 |
||
30 |
template <typename Adapter, typename AP> |
|
31 |
inline void StorageHost<Adapter, AP>::bind() { |
|
32 |
if (is_backed()) { |
|
33 |
this->hard_reset(); |
|
34 |
assert(is_valid(), "invariant"); |
|
35 |
return; |
|
36 |
} |
|
37 |
this->set_start_pos(NULL); |
|
38 |
this->set_current_pos((const u1*)NULL); |
|
39 |
this->set_end_pos(NULL); |
|
40 |
} |
|
41 |
||
42 |
template <typename Adapter, typename AP> |
|
43 |
inline void StorageHost<Adapter, AP>::soft_reset() { |
|
44 |
this->set_start_pos(this->current_pos()); |
|
45 |
} |
|
46 |
||
47 |
template <typename Adapter, typename AP> |
|
48 |
inline void StorageHost<Adapter, AP>::hard_reset() { |
|
49 |
this->set_start_pos(_adapter.pos()); |
|
50 |
this->set_current_pos(_adapter.pos()); |
|
51 |
this->set_end_pos(_adapter.end()); |
|
52 |
} |
|
53 |
||
54 |
template <typename Adapter, typename AP> |
|
55 |
inline void StorageHost<Adapter, AP>::cancel() { |
|
56 |
this->set_end_pos(NULL); |
|
57 |
} |
|
58 |
||
59 |
template <typename Adapter, typename AP> |
|
60 |
inline bool StorageHost<Adapter, AP>::is_backed() { |
|
61 |
return _adapter.storage() != NULL; |
|
62 |
} |
|
63 |
||
64 |
template <typename Adapter, typename AP> |
|
65 |
inline bool StorageHost<Adapter, AP>::accommodate(size_t used, size_t requested) { |
|
66 |
if (!_adapter.flush(used, requested)) { |
|
67 |
this->cancel(); |
|
68 |
return false; |
|
69 |
} |
|
70 |
assert(is_backed(), "invariant"); |
|
71 |
this->hard_reset(); |
|
72 |
this->set_current_pos(used); |
|
73 |
return true; |
|
74 |
} |
|
75 |
||
76 |
template <typename Adapter, typename AP> |
|
77 |
inline void StorageHost<Adapter, AP>::commit() { |
|
78 |
if (this->is_valid()) { |
|
79 |
assert(_adapter.pos() == this->start_pos(), "invariant"); |
|
80 |
assert(_adapter.end() == this->end_pos(), "invariant"); |
|
81 |
u1* new_position = this->current_pos(); |
|
82 |
_adapter.commit(new_position); |
|
83 |
this->set_start_pos(new_position); |
|
84 |
} |
|
85 |
} |
|
86 |
||
87 |
template <typename Adapter, typename AP> |
|
88 |
inline void StorageHost<Adapter, AP>::release() { |
|
89 |
_adapter.release(); |
|
90 |
} |
|
91 |
||
92 |
template <typename Adapter, typename AP> |
|
93 |
inline StorageHost<Adapter, AP>::StorageHost(typename Adapter::StorageType* storage, Thread* thread) : Position<AP>(), _adapter(storage, thread) { |
|
94 |
bind(); |
|
95 |
} |
|
96 |
||
97 |
template <typename Adapter, typename AP> |
|
98 |
inline StorageHost<Adapter, AP>::StorageHost(typename Adapter::StorageType* storage, size_t size) : Position<AP>(), _adapter(storage, size) { |
|
99 |
bind(); |
|
100 |
} |
|
101 |
||
102 |
template <typename Adapter, typename AP> |
|
103 |
inline StorageHost<Adapter, AP>::StorageHost(Thread* thread) : Position<AP>(), _adapter(thread) { |
|
104 |
bind(); |
|
105 |
} |
|
106 |
||
107 |
template <typename Adapter, typename AP> |
|
108 |
inline bool StorageHost<Adapter, AP>::is_valid() const { |
|
109 |
return this->end_pos() != NULL; |
|
110 |
} |
|
111 |
||
112 |
template <typename Adapter, typename AP> |
|
113 |
inline typename Adapter::StorageType* StorageHost<Adapter, AP>::storage() { |
|
114 |
return _adapter.storage(); |
|
115 |
} |
|
116 |
||
117 |
template <typename Adapter, typename AP> |
|
118 |
inline void StorageHost<Adapter, AP>::set_storage(typename Adapter::StorageType* storage) { |
|
119 |
_adapter.set_storage(storage); |
|
120 |
bind(); |
|
121 |
} |
|
122 |
||
123 |
template <typename Adapter, typename AP> |
|
124 |
inline void StorageHost<Adapter, AP>::flush() { |
|
125 |
this->accommodate(this->is_valid() ? this->used_size() : 0, 0); |
|
126 |
} |
|
127 |
||
128 |
template <typename Adapter, typename AP> |
|
129 |
inline void StorageHost<Adapter, AP>::seek(intptr_t offset) { |
|
130 |
if (this->is_valid()) { |
|
131 |
assert(offset >= 0, "negative offsets not supported"); |
|
132 |
assert(this->start_pos() + offset <= this->end_pos(), "invariant"); |
|
133 |
assert(this->start_pos() + offset >= this->start_pos(), "invariant"); |
|
134 |
this->set_current_pos(this->start_pos() + offset); |
|
135 |
} |
|
136 |
} |
|
137 |
||
53244
9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
50113
diff
changeset
|
138 |
#endif // SHARE_JFR_WRITERS_JFRSTORAGEHOST_INLINE_HPP |