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comparison src/share/vm/memory/allocation.inline.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1997-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 // Explicit C-heap memory management
26
27 void trace_heap_malloc(size_t size, const char* name, void *p);
28 void trace_heap_free(void *p);
29
30
31 // allocate using malloc; will fail if no memory available
32 inline char* AllocateHeap(size_t size, const char* name = NULL) {
33 char* p = (char*) os::malloc(size);
34 #ifdef ASSERT
35 if (PrintMallocFree) trace_heap_malloc(size, name, p);
36 #else
37 Unused_Variable(name);
38 #endif
39 if (p == NULL) vm_exit_out_of_memory(size, name);
40 return p;
41 }
42
43 inline char* ReallocateHeap(char *old, size_t size, const char* name = NULL) {
44 char* p = (char*) os::realloc(old,size);
45 #ifdef ASSERT
46 if (PrintMallocFree) trace_heap_malloc(size, name, p);
47 #else
48 Unused_Variable(name);
49 #endif
50 if (p == NULL) vm_exit_out_of_memory(size, name);
51 return p;
52 }
53
54 inline void FreeHeap(void* p) {
55 #ifdef ASSERT
56 if (PrintMallocFree) trace_heap_free(p);
57 #endif
58 os::free(p);
59 }