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hotspot/src/share/vm/memory/allocation.inline.hpp

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+/*
+ * Copyright 1997-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// Explicit C-heap memory management
+
+void trace_heap_malloc(size_t size, const char* name, void *p);
+void trace_heap_free(void *p);
+
+
+// allocate using malloc; will fail if no memory available
+inline char* AllocateHeap(size_t size, const char* name = NULL) {
+  char* p = (char*) os::malloc(size);
+  #ifdef ASSERT
+  if (PrintMallocFree) trace_heap_malloc(size, name, p);
+  #else
+  Unused_Variable(name);
+  #endif
+  if (p == NULL) vm_exit_out_of_memory(size, name);
+  return p;
+}
+
+inline char* ReallocateHeap(char *old, size_t size, const char* name = NULL) {
+  char* p = (char*) os::realloc(old,size);
+  #ifdef ASSERT
+  if (PrintMallocFree) trace_heap_malloc(size, name, p);
+  #else
+  Unused_Variable(name);
+  #endif
+  if (p == NULL) vm_exit_out_of_memory(size, name);
+  return p;
+}
+
+inline void FreeHeap(void* p) {
+  #ifdef ASSERT
+  if (PrintMallocFree) trace_heap_free(p);
+  #endif
+  os::free(p);
+}