1 /*

     2  * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.

     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 

    25 #ifndef SHARE_VM_JFR_WRITERS_JFRMEMORYWRITERHOST_INLINE_HPP

    26 #define SHARE_VM_JFR_WRITERS_JFRMEMORYWRITERHOST_INLINE_HPP

    27 

    28 #include "jfr/writers/jfrMemoryWriterHost.hpp"

    29 

    30 template <typename Adapter, typename AP, typename AccessAssert>

    31 inline void MemoryWriterHost<Adapter, AP, AccessAssert>::bytes(void* dest, const void* buf, size_t len) {

    32   assert(dest != NULL, "invariant");

    33   memcpy(dest, buf, len); // no encoding

    34   this->set_current_pos(len);

    35 }

    36 

    37 template <typename Adapter, typename AP, typename AccessAssert>

    38 inline MemoryWriterHost<Adapter, AP, AccessAssert>::MemoryWriterHost(typename Adapter::StorageType* storage, Thread* thread) :

    39   StorageHost<Adapter, AP>(storage, thread) {

    40 }

    41 

    42 template <typename Adapter, typename AP, typename AccessAssert>

    43 inline MemoryWriterHost<Adapter, AP, AccessAssert>::MemoryWriterHost(typename Adapter::StorageType* storage, size_t size) :

    44   StorageHost<Adapter, AP>(storage, size) {

    45 }

    46 

    47 template <typename Adapter, typename AP, typename AccessAssert>

    48 inline MemoryWriterHost<Adapter, AP, AccessAssert>::MemoryWriterHost(Thread* thread) :

    49   StorageHost<Adapter, AP>(thread) {

    50 }

    51 

    52 template <typename Adapter, typename AP, typename AccessAssert>

    53 inline void MemoryWriterHost<Adapter, AP, AccessAssert>::acquire() {

    54   debug_only(_access.acquire();)

    55   if (!this->is_valid()) {

    56     this->flush();

    57   }

    58   debug_only(is_acquired();)

    59 }

    60 

    61 template <typename Adapter, typename AP, typename AccessAssert>

    62 inline void MemoryWriterHost<Adapter, AP, AccessAssert>::release() {

    63   debug_only(is_acquired();)

    64   StorageHost<Adapter, AP>::release();

    65   debug_only(_access.release();)

    66 }

    67 

    68 #ifdef ASSERT

    69 template <typename Adapter, typename AP, typename AccessAssert>

    70 inline bool MemoryWriterHost<Adapter, AP, AccessAssert>::is_acquired() const {

    71   return _access.is_acquired();

    72 }

    73 #endif

    74 

    75 template <typename Adapter, typename AP>

    76 inline AcquireReleaseMemoryWriterHost<Adapter, AP>::AcquireReleaseMemoryWriterHost(typename Adapter::StorageType* storage, Thread* thread) :

    77   MemoryWriterHost<Adapter, AP>(storage, thread) {

    78   this->acquire();

    79 }

    80 

    81 template <typename Adapter, typename AP>

    82 inline AcquireReleaseMemoryWriterHost<Adapter, AP>::AcquireReleaseMemoryWriterHost(typename Adapter::StorageType* storage, size_t size) :

    83   MemoryWriterHost<Adapter, AP>(storage, size) {

    84   this->acquire();

    85 }

    86 

    87 template <typename Adapter, typename AP>

    88 inline AcquireReleaseMemoryWriterHost<Adapter, AP>::AcquireReleaseMemoryWriterHost(Thread* thread) :

    89   MemoryWriterHost<Adapter, AP>(thread) {

    90   this->acquire();

    91 }

    92 

    93 template <typename Adapter, typename AP>

    94 inline AcquireReleaseMemoryWriterHost<Adapter, AP>::~AcquireReleaseMemoryWriterHost() {

    95   assert(this->is_acquired(), "invariant");

    96   this->release();

    97 }

    98 

    99 #endif // SHARE_VM_JFR_WRITERS_JFRMEMORYWRITERHOST_INLINE_HPP