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Posted to commits@commons.apache.org by mt...@apache.org on 2011/04/19 10:57:12 UTC
svn commit: r1094941 - in /commons/sandbox/runtime/trunk/src/main:
java/org/apache/commons/runtime/Vm.java native/os/unix/platform.c
native/os/win32/platform.c test/org/apache/commons/runtime/TestMain.java
Author: mturk
Date: Tue Apr 19 08:57:11 2011
New Revision: 1094941
URL: http://svn.apache.org/viewvc?rev=1094941&view=rev
Log:
Add Vm class
Added:
commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Vm.java (with props)
Modified:
commons/sandbox/runtime/trunk/src/main/native/os/unix/platform.c
commons/sandbox/runtime/trunk/src/main/native/os/win32/platform.c
commons/sandbox/runtime/trunk/src/main/test/org/apache/commons/runtime/TestMain.java
Added: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Vm.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Vm.java?rev=1094941&view=auto
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Vm.java (added)
+++ commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Vm.java Tue Apr 19 08:57:11 2011
@@ -0,0 +1,41 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.runtime;
+
+/** Virtual Machine various info.
+ *
+ * @since Runtime 1.0
+ *
+ */
+public final class Vm
+{
+
+ private Vm()
+ {
+ // No class instance
+ }
+
+ /**
+ * Returns the process ID of the current VM.
+ */
+ public static native int getPid();
+
+ /**
+ * Returns the process ID of the parent of the current VM.
+ */
+ public static native int getParentPid();
+}
Propchange: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Vm.java
------------------------------------------------------------------------------
svn:eol-style = native
Modified: commons/sandbox/runtime/trunk/src/main/native/os/unix/platform.c
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/native/os/unix/platform.c?rev=1094941&r1=1094940&r2=1094941&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/native/os/unix/platform.c (original)
+++ commons/sandbox/runtime/trunk/src/main/native/os/unix/platform.c Tue Apr 19 08:57:11 2011
@@ -69,3 +69,13 @@ ACR_JNI_EXPORT(jboolean, Platform, suppo
*/
return JNI_TRUE;
}
+
+ACR_JNI_EXPORT(jint, Vm, getPid)(JNI_STDARGS)
+{
+ return (jint)getpid();
+}
+
+ACR_JNI_EXPORT(jint, Vm, getParentPid)(JNI_STDARGS)
+{
+ return (jint)getppid();
+}
Modified: commons/sandbox/runtime/trunk/src/main/native/os/win32/platform.c
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/native/os/win32/platform.c?rev=1094941&r1=1094940&r2=1094941&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/native/os/win32/platform.c (original)
+++ commons/sandbox/runtime/trunk/src/main/native/os/win32/platform.c Tue Apr 19 08:57:11 2011
@@ -15,9 +15,12 @@
*/
#include "acr/string.h"
+#include "acr/misc.h"
#include "acr/port.h"
#include "arch_opts.h"
+#include <tlhelp32.h>
+
extern int acr_native_codepage;
extern LPOSVERSIONINFOEXA acr_osver;
@@ -73,3 +76,49 @@ ACR_JNI_EXPORT(jboolean, Platform, suppo
else
return JNI_TRUE;
}
+
+ACR_JNI_EXPORT(jint, Vm, getPid)(JNI_STDARGS)
+{
+ return GetCurrentProcessId();
+}
+
+ACR_JNI_EXPORT(jint, Vm, getParentPid)(JNI_STDARGS)
+{
+ static int ppid = -1;
+ HANDLE snap;
+ PROCESSENTRY32W e;
+
+ if (ppid >= 0) {
+ /* Use the cached value since the parent
+ * cannot change during process lifetime
+ */
+ return ppid;
+ }
+ AcrLibLockAcquire();
+ if (ppid >= 0)
+ goto finally;
+
+ snap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+ if (IS_INVALID_HANDLE(snap))
+ goto finally;
+
+ e.dwSize = (DWORD)sizeof(PROCESSENTRY32W);
+ if (!Process32FirstW(snap, &e)) {
+ CloseHandle(snap);
+ goto finally;
+ }
+ do {
+ if (e.th32ProcessID == GetCurrentProcessId()) {
+ /* We found ourself :)
+ */
+ ppid = e.th32ParentProcessID;
+ break;
+ }
+
+ } while (Process32NextW(snap, &e));
+ CloseHandle(snap);
+
+finally:
+ AcrLibLockRelease();
+ return ppid;
+}
Modified: commons/sandbox/runtime/trunk/src/main/test/org/apache/commons/runtime/TestMain.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/test/org/apache/commons/runtime/TestMain.java?rev=1094941&r1=1094940&r2=1094941&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/test/org/apache/commons/runtime/TestMain.java (original)
+++ commons/sandbox/runtime/trunk/src/main/test/org/apache/commons/runtime/TestMain.java Tue Apr 19 08:57:11 2011
@@ -25,12 +25,14 @@ public class TestMain
public void setUp()
{
Assert.assertTrue(Loader.load());
+ System.out.println("Test initialized (pid=" + Vm.getPid() + ")");
System.out.flush();
}
@AfterSuite(groups = { "init" })
public void shutDown()
{
+ System.out.println("Test terminating (pid=" + Vm.getPid() + ")");
Native.terminate();
System.out.flush();
}