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annotate src/os/windows/vm/jvm_windows.h @ 4712:e7dead7e90af

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7117303: VM uses non-monotonic time source and complains that it is non-monotonic Summary: Replaces calls to os::javaTimeMillis(), which does not (and cannot) guarantee monotonicity, in GC code to an equivalent expression that uses os::javaTimeNanos(). os::javaTimeNanos is guaranteed monotonically non-decreasing if the underlying platform provides a monotonic time source. Changes in OS files are to make use of the newly defined constants in globalDefinitions.hpp. Reviewed-by: dholmes, ysr
author johnc
date Mon, 19 Dec 2011 10:02:05 -0800
parents b1cbb0907b36
children 11c26bfcf8c7
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1 /*
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2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef _JAVASOFT_JVM_MD_H_
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26 #define _JAVASOFT_JVM_MD_H_
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27
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28 /*
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29 * This file is currently collecting system-specific dregs for the
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30 * JNI conversion, which should be sorted out later.
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31 */
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32
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33 // JDK7 requires VS2010
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34 #if _MSC_VER >= 1600
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35 // JDK7 minimum platform requirement: Windows XP
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36 #if _WIN32_WINNT < 0x0501
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37 #undef _WIN32_WINNT
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38 #define _WIN32_WINNT 0x0501
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39 #endif
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40 #endif
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41
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42 #include <windows.h>
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43
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44 #if _MSC_VER <= 1200
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45 // Psapi.h doesn't come with Visual Studio 6; it can be downloaded as Platform
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46 // SDK from Microsoft. Here are the definitions copied from Psapi.h
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47 typedef struct _MODULEINFO {
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48 LPVOID lpBaseOfDll;
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49 DWORD SizeOfImage;
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50 LPVOID EntryPoint;
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51 } MODULEINFO, *LPMODULEINFO;
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52
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53 #else
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54 #include <Psapi.h>
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55 #endif
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56
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57
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58
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59 #include <Tlhelp32.h>
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61 // #include "jni.h"
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62
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63 #define JNI_ONLOAD_SYMBOLS {"_JNI_OnLoad@8", "JNI_OnLoad"}
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64 #define JNI_ONUNLOAD_SYMBOLS {"_JNI_OnUnload@8", "JNI_OnUnload"}
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65 #define JVM_ONLOAD_SYMBOLS {"_JVM_OnLoad@12", "JVM_OnLoad"}
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66 #define AGENT_ONLOAD_SYMBOLS {"_Agent_OnLoad@12", "Agent_OnLoad"}
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67 #define AGENT_ONUNLOAD_SYMBOLS {"_Agent_OnUnload@4", "Agent_OnUnload"}
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68 #define AGENT_ONATTACH_SYMBOLS {"_Agent_OnAttach@12", "Agent_OnAttach"}
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69
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70 #define JNI_LIB_PREFIX ""
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71 #define JNI_LIB_SUFFIX ".dll"
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72
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73 struct dirent {
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74 char d_name[MAX_PATH];
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75 };
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76
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77 typedef struct {
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78 struct dirent dirent;
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79 char *path;
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80 HANDLE handle;
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81 WIN32_FIND_DATA find_data;
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82 } DIR;
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83
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84 #include <stdlib.h>
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85
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86 #define JVM_MAXPATHLEN _MAX_PATH
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87
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88 #define JVM_R_OK 4
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89 #define JVM_W_OK 2
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90 #define JVM_X_OK 1
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91 #define JVM_F_OK 0
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92
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93 #ifdef __cplusplus
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94 extern "C" {
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95 #endif
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96
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97 JNIEXPORT void * JNICALL
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98 JVM_GetThreadInterruptEvent();
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99
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100 #ifdef __cplusplus
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101 } /* extern "C" */
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102 #endif /* __cplusplus */
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103
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104 /*
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105 * File I/O
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106 */
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107
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108 // #include <sys/types.h>
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109 // #include <sys/stat.h>
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110 // #include <fcntl.h>
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111 // #include <errno.h>
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112
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113 /* O Flags */
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114
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115 #define JVM_O_RDONLY O_RDONLY
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116 #define JVM_O_WRONLY O_WRONLY
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117 #define JVM_O_RDWR O_RDWR
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118 #define JVM_O_O_APPEND O_APPEND
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119 #define JVM_O_EXCL O_EXCL
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120 #define JVM_O_CREAT O_CREAT
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121 #define JVM_O_DELETE O_TEMPORARY
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122
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123 /* Signals */
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124
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125 #define JVM_SIGINT SIGINT
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126 #define JVM_SIGTERM SIGTERM
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127
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128 #define SHUTDOWN1_SIGNAL SIGINT /* Shutdown Hooks support. */
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129 #define SHUTDOWN2_SIGNAL SIGTERM
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130
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131 #endif /* !_JAVASOFT_JVM_MD_H_ */