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8303485: Replacing os.name for operating system customization

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Reviewed-by: naoto, erikj, alanb
This commit is contained in:
Roger Riggs 2023-03-27 17:45:20 +00:00
parent 87b314a985
commit 6c3b10fb1d
13 changed files with 371 additions and 114 deletions
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40
src/java.base/unix/classes/sun/net/PortConfig.java
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@ -25,7 +25,7 @@
package sun.net;
import sun.security.action.GetPropertyAction;
import jdk.internal.util.OperatingSystem;
/**
* Determines the ephemeral port range in use on this system.
@ -42,24 +42,26 @@ public final class PortConfig {
static {
jdk.internal.loader.BootLoader.loadLibrary("net");
String os = GetPropertyAction.privilegedGetProperty("os.name");
if (os.startsWith("Linux")) {
defaultLower = 32768;
defaultUpper = 61000;
} else if (os.contains("OS X")) {
defaultLower = 49152;
defaultUpper = 65535;
} else if (os.startsWith("AIX")) {
// The ephemeral port is OS version dependent on AIX:
// http://publib.boulder.ibm.com/infocenter/aix/v7r1/topic/com.ibm.aix.rsct315.admin/bl503_ephport.htm
// However, on AIX 5.3 / 6.1 / 7.1 we always see the
// settings below by using:
// /usr/sbin/no -a | fgrep ephemeral
defaultLower = 32768;
defaultUpper = 65535;
} else {
throw new InternalError(
"sun.net.PortConfig: unknown OS");
switch (OperatingSystem.current()) {
case LINUX:
defaultLower = 32768;
defaultUpper = 61000;
break;
case MACOS:
defaultLower = 49152;
defaultUpper = 65535;
break;
case AIX:
// The ephemeral port is OS version dependent on AIX:
// http://publib.boulder.ibm.com/infocenter/aix/v7r1/topic/com.ibm.aix.rsct315.admin/bl503_ephport.htm
// However, on AIX 5.3 / 6.1 / 7.1 we always see the
// settings below by using:
// /usr/sbin/no -a | fgrep ephemeral
defaultLower = 32768;
defaultUpper = 65535;
break;
default:
throw new InternalError("sun.net.PortConfig: unsupported OS: " + OperatingSystem.current());
}
int v = getLower0();