src/hotspot/share/jfr/recorder/storage/jfrStorageUtils.inline.hpp
changeset 50113 caf115bb98ad
child 53244 9807daeb47c4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/jfr/recorder/storage/jfrStorageUtils.inline.hpp	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_JFR_RECORDER_STORAGE_JFRSTORAGEUTILS_INLINE_HPP
+#define SHARE_VM_JFR_RECORDER_STORAGE_JFRSTORAGEUTILS_INLINE_HPP
+
+#include "jfr/recorder/storage/jfrStorageUtils.hpp"
+
+template <typename T>
+inline bool UnBufferedWriteToChunk<T>::write(T* t, const u1* data, size_t size) {
+  _writer.write_unbuffered(data, size);
+  _processed += size;
+  return true;
+}
+
+template <typename T>
+inline bool DefaultDiscarder<T>::discard(T* t, const u1* data, size_t size) {
+  _processed += size;
+  return true;
+}
+
+template <typename Operation>
+inline bool ConcurrentWriteOp<Operation>::process(typename Operation::Type* t) {
+  const u1* const current_top = t->concurrent_top();
+  const size_t unflushed_size = t->pos() - current_top;
+  if (unflushed_size == 0) {
+    t->set_concurrent_top(current_top);
+    return true;
+  }
+  const bool result = _operation.write(t, current_top, unflushed_size);
+  t->set_concurrent_top(current_top + unflushed_size);
+  return result;
+}
+
+template <typename Operation>
+inline bool ConcurrentWriteOpExcludeRetired<Operation>::process(typename Operation::Type* t) {
+  if (t->retired()) {
+    assert(t->empty(), "invariant");
+    return true;
+  }
+  return ConcurrentWriteOp<Operation>::process(t);
+}
+
+template <typename Operation>
+inline bool MutexedWriteOp<Operation>::process(typename Operation::Type* t) {
+  assert(t != NULL, "invariant");
+  const u1* const current_top = t->top();
+  const size_t unflushed_size = t->pos() - current_top;
+  if (unflushed_size == 0) {
+    return true;
+  }
+  const bool result = _operation.write(t, current_top, unflushed_size);
+  t->set_top(current_top + unflushed_size);
+  return result;
+}
+
+template <typename Operation>
+inline bool DiscardOp<Operation>::process(typename Operation::Type* t) {
+  assert(t != NULL, "invariant");
+  const u1* const current_top = _mode == concurrent ? t->concurrent_top() : t->top();
+  const size_t unflushed_size = t->pos() - current_top;
+  if (unflushed_size == 0) {
+    if (_mode == concurrent) {
+      t->set_concurrent_top(current_top);
+    }
+    return true;
+  }
+  const bool result = _operation.discard(t, current_top, unflushed_size);
+  if (_mode == concurrent) {
+    t->set_concurrent_top(current_top + unflushed_size);
+  } else {
+    t->set_top(current_top + unflushed_size);
+  }
+  return result;
+}
+
+#endif // SHARE_VM_JFR_RECORDER_STORAGE_JFRSTORAGEUTILS_INLINE_HPP