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8211106: [windows] Update OS detection code to recognize Windows Server 2019

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Reviewed-by: alanb, clanger, bobv
This commit is contained in:
Matthias Baesken 2018-10-02 13:48:08 +02:00
parent 1b34ea35c9
commit e552242db6
2 changed files with 22 additions and 3 deletions
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17
src/java.base/windows/native/libjava/java_props_md.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1998, 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
@ -359,6 +359,7 @@ GetJavaProperties(JNIEnv* env)
static java_props_t sprops = {0};
int majorVersion;
int minorVersion;
int buildNumber = 0;
if (sprops.line_separator) {
return &sprops;
@ -398,6 +399,8 @@ GetJavaProperties(JNIEnv* env)
GetVersionEx((OSVERSIONINFO *) &ver);
majorVersion = ver.dwMajorVersion;
minorVersion = ver.dwMinorVersion;
/* distinguish Windows Server 2016 and 2019 by build number */
buildNumber = ver.dwBuildNumber;
is_workstation = (ver.wProductType == VER_NT_WORKSTATION);
platformId = ver.dwPlatformId;
sprops.patch_level = _strdup(ver.szCSDVersion);
@ -448,6 +451,7 @@ GetJavaProperties(JNIEnv* env)
}
majorVersion = HIWORD(file_info->dwProductVersionMS);
minorVersion = LOWORD(file_info->dwProductVersionMS);
buildNumber = HIWORD(file_info->dwProductVersionLS);
free(version_info);
} while (0);
@ -478,6 +482,8 @@ GetJavaProperties(JNIEnv* env)
* Windows Server 2012 R2 6 3 (!VER_NT_WORKSTATION)
* Windows 10 10 0 (VER_NT_WORKSTATION)
* Windows Server 2016 10 0 (!VER_NT_WORKSTATION)
* Windows Server 2019 10 0 (!VER_NT_WORKSTATION)
* where (buildNumber > 17762)
*
* This mapping will presumably be augmented as new Windows
* versions are released.
@ -551,7 +557,14 @@ GetJavaProperties(JNIEnv* env)
}
} else {
switch (minorVersion) {
case 0: sprops.os_name = "Windows Server 2016"; break;
case 0:
/* Windows server 2019 GA 10/2018 build number is 17763 */
if (buildNumber > 17762) {
sprops.os_name = "Windows Server 2019";
} else {
sprops.os_name = "Windows Server 2016";
}
break;
default: sprops.os_name = "Windows NT (unknown)";
}
}