OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [gnu/] [gcj/] [util/] [GCInfo.java] - Blame information for rev 756

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 756 jeremybenn
/* GCInfo.java -- Support for creating heap dumps.
2
   Copyright (C) 2007  Free Software Foundation
3
 
4
   This file is part of libgcj.
5
 
6
   This software is copyrighted work licensed under the terms of the
7
   Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
8
   details.  */
9
 
10
package gnu.gcj.util;
11
 
12
public class GCInfo
13
{
14
  private GCInfo()
15
  {
16
  }
17
 
18
  /**
19
   * @throws SecurityException if there is a SecurityManager installed
20
   * and UtilPermission("dumpHeap") is not granted.
21
   */
22
  private static void checkPermission()
23
  {
24
    SecurityManager sm = System.getSecurityManager();
25
    if (sm != null)
26
      sm.checkPermission(new UtilPermission("dumpHeap"));
27
  }
28
 
29
 
30
  /**
31
   * Dump a description of the heap state.
32
   *
33
   * @param namePrefix The filename prefix for the dump files.
34
   *
35
   * @throws SecurityException if there is a SecurityManager installed
36
   * and UtilPermission("dumpHeap") is not granted.
37
   */
38
  public static synchronized void dump(String name)
39
  {
40
    checkPermission();
41
    dump0(name);
42
  }
43
 
44
  private static native void dump0(String name);
45
 
46
 
47
  /**
48
   * Create a heap dump.
49
   *
50
   * @param namePrefix The filename prefix for the dump files.
51
   *
52
   * @throws SecurityException if there is a SecurityManager installed
53
   * and UtilPermission("dumpHeap") is not granted.
54
   */
55
  public static synchronized void enumerate(String namePrefix)
56
  {
57
    checkPermission();
58
    enumerate0(namePrefix);
59
  }
60
 
61
  private static native void enumerate0(String namePrefix);
62
 
63
  /**
64
   * Cause a heap dump if out-of-memory condition occurs.
65
   *
66
   * @param namePrefix The filename prefix for the dump files.  If
67
   * null no dumps are created.
68
   *
69
   * @throws SecurityException if there is a SecurityManager installed
70
   * and UtilPermission("dumpHeap") is not granted.
71
   */
72
  public static synchronized void setOOMDump(String namePrefix)
73
  {
74
    checkPermission();
75
    setOOMDump0(namePrefix);
76
  }
77
 
78
  private static native void setOOMDump0(String namePrefix);
79
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.