jdk/src/java.base/windows/native/libjava/ProcessHandleImpl_win.c
author rriggs
Fri, 29 May 2015 14:04:12 -0400
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8077350: JEP 102 Process API Updates Implementation Reviewed-by: chegar, plevart, psandoz, darcy, martin, alanb
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/*
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 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#include "jni.h"
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#include "jvm.h"
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#include "jni_util.h"
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#include "java_lang_ProcessHandleImpl.h"
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#include "java_lang_ProcessHandleImpl_Info.h"
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#include <windows.h>
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#include <tlhelp32.h>
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static void getStatInfo(JNIEnv *env, HANDLE handle, jobject jinfo);
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static void getCmdlineInfo(JNIEnv *env, HANDLE handle, jobject jinfo);
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static void procToUser( JNIEnv *env, HANDLE handle, jobject jinfo);
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/**************************************************************
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 * Implementation of ProcessHandleImpl_Info native methods.
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 */
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/* Field id for jString 'command' in java.lang.ProcessHandle.Info */
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static jfieldID ProcessHandleImpl_Info_commandID;
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/* Field id for jString[] 'arguments' in java.lang.ProcessHandle.Info */
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static jfieldID ProcessHandleImpl_Info_argumentsID;
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/* Field id for jlong 'totalTime' in java.lang.ProcessHandle.Info */
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static jfieldID ProcessHandleImpl_Info_totalTimeID;
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/* Field id for jlong 'startTime' in java.lang.ProcessHandle.Info */
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static jfieldID ProcessHandleImpl_Info_startTimeID;
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/* Field id for jString 'accountName' in java.lang.ProcessHandleImpl.UserPrincipal */
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static jfieldID ProcessHandleImpl_Info_userID;
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/**************************************************************
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 * Static method to initialize field IDs.
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 *
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 * Class:     java_lang_ProcessHandleImpl_Info
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 * Method:    initIDs
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 * Signature: ()V
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 */
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JNIEXPORT void JNICALL Java_java_lang_ProcessHandleImpl_00024Info_initIDs
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  (JNIEnv *env, jclass clazz) {
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    CHECK_NULL(ProcessHandleImpl_Info_commandID = (*env)->GetFieldID(env,
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        clazz, "command", "Ljava/lang/String;"));
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    CHECK_NULL(ProcessHandleImpl_Info_argumentsID = (*env)->GetFieldID(env,
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        clazz, "arguments", "[Ljava/lang/String;"));
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    CHECK_NULL(ProcessHandleImpl_Info_totalTimeID = (*env)->GetFieldID(env,
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        clazz, "totalTime", "J"));
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    CHECK_NULL(ProcessHandleImpl_Info_startTimeID = (*env)->GetFieldID(env,
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        clazz, "startTime", "J"));
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    CHECK_NULL(ProcessHandleImpl_Info_userID = (*env)->GetFieldID(env,
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        clazz, "user", "Ljava/lang/String;"));
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}
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/*
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 * Block until a child process exits and return its exit code.
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 */
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JNIEXPORT jint JNICALL
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Java_java_lang_ProcessHandleImpl_waitForProcessExit0(JNIEnv* env,
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                                              jclass junk,
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                                              jlong jpid,
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                                              jboolean reapStatus) {
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    DWORD pid = (DWORD)jpid;
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    DWORD exitValue = -1;
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    HANDLE handle = OpenProcess(SYNCHRONIZE | PROCESS_QUERY_LIMITED_INFORMATION,
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                                FALSE, pid);
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    if (handle == NULL) {
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        return exitValue;          // No process with that pid is alive
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    }
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    do {
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        if (!GetExitCodeProcess(handle, &exitValue)) {
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            JNU_ThrowByNameWithLastError(env,
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                "java/lang/Runtime", "GetExitCodeProcess");
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            break;
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        }
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        if (exitValue == STILL_ACTIVE) {
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            HANDLE events[2];
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            events[0] = handle;
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            events[1] = JVM_GetThreadInterruptEvent();
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            if (WaitForMultipleObjects(sizeof(events)/sizeof(events[0]), events,
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                                       FALSE,    /* Wait for ANY event */
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                                       INFINITE) /* Wait forever */
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                == WAIT_FAILED) {
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                JNU_ThrowByNameWithLastError(env,
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                    "java/lang/Runtime", "WaitForMultipleObjects");
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                break;
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            }
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        }
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    } while (exitValue == STILL_ACTIVE);
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    CloseHandle(handle);         // Ignore return code
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    return exitValue;
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}
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/*
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 * Returns the pid of the caller.
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 *
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 * Class:     java_lang_ProcessHandleImpl
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 * Method:    getCurrentPid0
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 * Signature: ()J
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 */
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JNIEXPORT jlong JNICALL Java_java_lang_ProcessHandleImpl_getCurrentPid0
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(JNIEnv *env, jclass clazz) {
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    DWORD  pid = GetCurrentProcessId();
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    return (jlong)pid;
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}
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/*
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 * Returns the parent pid of the requested pid.
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 *
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 * Class:     java_lang_ProcessHandleImpl
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 * Method:    parent0
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 * Signature: (J)J
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 */
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JNIEXPORT jlong JNICALL Java_java_lang_ProcessHandleImpl_parent0
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(JNIEnv *env, jclass clazz, jlong jpid) {
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    DWORD ppid = -1;
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    DWORD wpid = (DWORD)jpid;
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    PROCESSENTRY32 pe32;
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    HANDLE hProcessSnap;
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    // Take a snapshot of all processes in the system.
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    hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
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    if (hProcessSnap == INVALID_HANDLE_VALUE) {
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        JNU_ThrowByName(env,
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            "java/lang/RuntimeException", "snapshot not available");
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        return -1;
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    }
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    // Retrieve information about the first process,
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    pe32.dwSize = sizeof (PROCESSENTRY32);
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    if (Process32First(hProcessSnap, &pe32)) {
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        // Now walk the snapshot of processes, and
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        do {
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            if (wpid == pe32.th32ProcessID) {
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                ppid = pe32.th32ParentProcessID;
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   164
                break;
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   165
            }
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   166
        } while (Process32Next(hProcessSnap, &pe32));
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diff changeset
   167
    } else {
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   168
        JNU_ThrowByName(env,
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diff changeset
   169
            "java/lang/RuntimeException", "snapshot not available");
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   170
        return -1;
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   171
    }
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    CloseHandle(hProcessSnap); // Ignore return code
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   173
    return (jlong)ppid;
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   174
}
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   175
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   176
/*
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   177
 * Returns the children of the requested pid and optionally each parent.
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 *
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   179
 * Class:     java_lang_ProcessHandleImpl
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   180
 * Method:    getChildPids
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   181
 * Signature: (J[J[J)I
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 */
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   183
JNIEXPORT jint JNICALL Java_java_lang_ProcessHandleImpl_getProcessPids0
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   184
(JNIEnv *env, jclass clazz, jlong jpid,
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   185
    jlongArray jarray, jlongArray jparentArray) {
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   186
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   187
    HANDLE hProcessSnap;
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   188
    PROCESSENTRY32 pe32;
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   189
    DWORD ppid = (DWORD)jpid;
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   190
    size_t count = 0;
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   191
    jlong* pids = NULL;
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   192
    jlong* ppids = NULL;
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   193
    size_t parentArraySize = 0;
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diff changeset
   194
    size_t arraySize = 0;
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   195
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   196
    arraySize = (*env)->GetArrayLength(env, jarray);
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   197
    JNU_CHECK_EXCEPTION_RETURN(env, -1);
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   198
    if (jparentArray != NULL) {
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   199
        parentArraySize = (*env)->GetArrayLength(env, jparentArray);
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   200
        JNU_CHECK_EXCEPTION_RETURN(env, -1);
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parents:
diff changeset
   201
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   202
        if (arraySize != parentArraySize) {
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   203
            JNU_ThrowIllegalArgumentException(env, "array sizes not equal");
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   204
            return 0;
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   205
        }
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   206
    }
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   207
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   208
    // Take a snapshot of all processes in the system.
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   209
    hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
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   210
    if (hProcessSnap == INVALID_HANDLE_VALUE) {
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   211
        JNU_ThrowByName(env,
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   212
            "java/lang/RuntimeException", "snapshot not available");
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   213
        return 0;
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   214
    }
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diff changeset
   215
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   216
    // Retrieve information about the first process,
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   217
    pe32.dwSize = sizeof (PROCESSENTRY32);
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   218
    if (Process32First(hProcessSnap, &pe32)) {
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   219
        do { // Block to break out of on Exception
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   220
            pids = (*env)->GetLongArrayElements(env, jarray, NULL);
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diff changeset
   221
            if (pids == NULL) {
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   222
                break;
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diff changeset
   223
            }
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   224
            if (jparentArray != NULL) {
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   225
                ppids  = (*env)->GetLongArrayElements(env, jparentArray, NULL);
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parents:
diff changeset
   226
                if (ppids == NULL) {
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diff changeset
   227
                    break;
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parents:
diff changeset
   228
                }
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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   229
            }
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   230
            // Now walk the snapshot of processes, and
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
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   231
            // save information about each process in turn
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parents:
diff changeset
   232
            do {
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   233
                if (ppid == 0 ||
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diff changeset
   234
                    (pe32.th32ParentProcessID > 0
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   235
                    && (pe32.th32ParentProcessID == ppid))) {
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parents:
diff changeset
   236
                    if (count < arraySize) {
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   237
                        // Only store if it fits
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   238
                        pids[count] = (jlong)pe32.th32ProcessID;
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   239
                        if (ppids != NULL) {
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   240
                            // Store the parentPid
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   241
                            ppids[count] = (jlong) pe32.th32ParentProcessID;
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   242
                        }
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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   243
                    }
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   244
                    count++;    // Count to tabulate size needed
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parents:
diff changeset
   245
                }
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   246
            } while (Process32Next(hProcessSnap, &pe32));
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   247
        } while (0);
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parents:
diff changeset
   248
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diff changeset
   249
        if (pids != NULL) {
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diff changeset
   250
            (*env)->ReleaseLongArrayElements(env, jarray, pids, 0);
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diff changeset
   251
        }
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   252
        if (ppids != NULL) {
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   253
            (*env)->ReleaseLongArrayElements(env, jparentArray, ppids, 0);
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parents:
diff changeset
   254
        }
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   255
    } else {
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   256
        JNU_ThrowByName(env,
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   257
            "java/lang/RuntimeException", "snapshot not available");
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parents:
diff changeset
   258
        return 0;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   259
    }
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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   260
    CloseHandle(hProcessSnap);
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   261
    // If more pids than array had size for;  count will be greater than array size
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   262
    return (jint)count;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   263
}
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   264
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   265
/*
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   266
 * Destroy the process.
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diff changeset
   267
 *
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   268
 * Class:     java_lang_ProcessHandleImpl
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   269
 * Method:    destroy0
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   270
 * Signature: (Z)V
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diff changeset
   271
 */
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parents:
diff changeset
   272
JNIEXPORT jboolean JNICALL Java_java_lang_ProcessHandleImpl_destroy0
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   273
(JNIEnv *env, jclass clazz, jlong jpid, jboolean force) {
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   274
    DWORD pid = (DWORD)jpid;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   275
    HANDLE handle = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   276
    if (handle != NULL) {
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   277
        TerminateProcess(handle, 1);
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   278
        CloseHandle(handle);         // Ignore return code
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   279
        return JNI_TRUE;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   280
    }
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   281
    return JNI_FALSE;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   282
}
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   283
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   284
/*
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   285
 * Class:     java_lang_ProcessHandleImpl
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   286
 * Method:    isAlive0
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   287
 * Signature: (J)Z
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   288
 */
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   289
JNIEXPORT jboolean JNICALL Java_java_lang_ProcessHandleImpl_isAlive0
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   290
(JNIEnv *env, jclass clazz, jlong jpid) {
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   291
    DWORD pid = (DWORD)jpid;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   292
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   293
    jboolean ret = JNI_FALSE;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   294
    HANDLE handle =
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   295
        OpenProcess(THREAD_QUERY_INFORMATION | PROCESS_QUERY_LIMITED_INFORMATION,
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   296
                    FALSE, pid);
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   297
    if (handle != NULL) {
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   298
        DWORD dwExitStatus;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   299
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   300
        GetExitCodeProcess(handle, &dwExitStatus);
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   301
        CloseHandle(handle); // Ignore return code
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   302
        ret = (dwExitStatus == STILL_ACTIVE);
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   303
    }
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   304
    return ret;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   305
}
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   306
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   307
/**
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   308
 * Assemble a 64 bit value from two 32 bit values.
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parents:
diff changeset
   309
 */
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diff changeset
   310
static jlong jlong_from(jint high, jint low) {
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parents:
diff changeset
   311
    jlong result = 0;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   312
    result = ((jlong)high << 32) | ((0x000000000ffffffff) & (jlong)low);
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   313
    return result;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   314
}
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parents:
diff changeset
   315
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   316
/*
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   317
 * Fill in the Info object from the OS information about the process.
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parents:
diff changeset
   318
 *
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   319
 * Class:     java_lang_ProcessHandleImpl
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   320
 * Method:    info0
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   321
 * Signature: (J)V
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   322
 */
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   323
JNIEXPORT void JNICALL Java_java_lang_ProcessHandleImpl_00024Info_info0
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diff changeset
   324
  (JNIEnv *env, jobject jinfo, jlong jpid) {
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   325
    DWORD pid = (DWORD)jpid;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   326
    int ret = 0;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   327
    HANDLE handle =
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   328
        OpenProcess(THREAD_QUERY_INFORMATION | PROCESS_QUERY_LIMITED_INFORMATION,
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   329
                    FALSE, pid);
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   330
    if (handle == NULL) {
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   331
        return;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
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   332
    }
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    getStatInfo(env, handle, jinfo);
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   334
    getCmdlineInfo(env, handle, jinfo);
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    procToUser(env, handle, jinfo);
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   336
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    CloseHandle(handle);                // Ignore return code
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}
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   339
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/**
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 * Read /proc/<pid>/stat and fill in the fields of the Info object.
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 * The executable name, plus the user, system, and start times are gathered.
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 */
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static void getStatInfo(JNIEnv *env, HANDLE handle, jobject jinfo) {
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   345
    FILETIME CreationTime;
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    FILETIME ExitTime;
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   347
    FILETIME KernelTime;
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   348
    FILETIME UserTime;
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    jlong userTime;             // nanoseconds
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    jlong totalTime;            // nanoseconds
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    jlong startTime;            // nanoseconds
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    UserTime.dwHighDateTime = 0;
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   353
    UserTime.dwLowDateTime = 0;
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   354
    KernelTime.dwHighDateTime = 0;
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   355
    KernelTime.dwLowDateTime = 0;
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   356
    CreationTime.dwHighDateTime = 0;
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   357
    CreationTime.dwLowDateTime = 0;
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   358
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   359
    if (GetProcessTimes(handle, &CreationTime, &ExitTime, &KernelTime, &UserTime)) {
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        userTime = jlong_from(UserTime.dwHighDateTime, UserTime.dwLowDateTime);
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        totalTime = jlong_from( KernelTime.dwHighDateTime, KernelTime.dwLowDateTime);
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        totalTime = (totalTime + userTime) * 100;  // convert sum to nano-seconds
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   363
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   364
        startTime = jlong_from(CreationTime.dwHighDateTime,
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   365
                               CreationTime.dwLowDateTime) / 10000;
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   366
        startTime -= 11644473600000L; // Rebase Epoch from 1601 to 1970
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   367
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        (*env)->SetLongField(env, jinfo,
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   369
                             ProcessHandleImpl_Info_totalTimeID, totalTime);
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   370
        JNU_CHECK_EXCEPTION(env);
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   371
        (*env)->SetLongField(env, jinfo,
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   372
                             ProcessHandleImpl_Info_startTimeID, startTime);
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   373
        JNU_CHECK_EXCEPTION(env);
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   374
    }
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   375
}
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   376
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   377
static void getCmdlineInfo(JNIEnv *env, HANDLE handle, jobject jinfo) {
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   378
    char exeName[1024];
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   379
    int bufsize = sizeof exeName;
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   380
    jstring commandObj;
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   381
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   382
    if (QueryFullProcessImageName(handle, 0,  exeName, &bufsize)) {
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   383
        commandObj = (*env)->NewStringUTF(env, exeName);
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   384
        CHECK_NULL(commandObj);
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   385
        (*env)->SetObjectField(env, jinfo,
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   386
                               ProcessHandleImpl_Info_commandID, commandObj);
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   387
    }
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   388
}
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   389
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   390
static void procToUser( JNIEnv *env, HANDLE handle, jobject jinfo) {
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   391
#define TOKEN_LEN 256
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   392
    DWORD token_len = TOKEN_LEN;
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   393
    char token_buf[TOKEN_LEN];
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   394
    TOKEN_USER *token_user = (TOKEN_USER*)token_buf;
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   395
    HANDLE tokenHandle;
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   396
    WCHAR domain[255];
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diff changeset
   397
    WCHAR name[255];
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diff changeset
   398
    DWORD domainLen = sizeof(domain);
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diff changeset
   399
    DWORD nameLen = sizeof(name);
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diff changeset
   400
    SID_NAME_USE use;
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diff changeset
   401
    jstring s;
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diff changeset
   402
    int ret;
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diff changeset
   403
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diff changeset
   404
    if (!OpenProcessToken(handle, TOKEN_READ, &tokenHandle)) {
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diff changeset
   405
        return;
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diff changeset
   406
    }
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parents:
diff changeset
   407
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diff changeset
   408
    ret = GetTokenInformation(tokenHandle, TokenUser, token_user,
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diff changeset
   409
                              token_len, &token_len);
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diff changeset
   410
    CloseHandle(tokenHandle);           // always close handle
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parents:
diff changeset
   411
    if (!ret) {
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diff changeset
   412
        JNU_ThrowByNameWithLastError(env,
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   413
            "java/lang/RuntimeException", "GetTokenInformation");
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   414
        return;
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parents:
diff changeset
   415
    }
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parents:
diff changeset
   416
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diff changeset
   417
    if (LookupAccountSidW(NULL, token_user->User.Sid, &name[0], &nameLen,
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parents:
diff changeset
   418
                          &domain[0], &domainLen, &use) == 0) {
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   419
        // Name not available
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   420
        return;
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   421
    }
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   422
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   423
    s = (*env)->NewString(env, (const jchar *)name, (jsize)wcslen(name));
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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parents:
diff changeset
   424
    CHECK_NULL(s);
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   425
    (*env)->SetObjectField(env, jinfo, ProcessHandleImpl_Info_userID, s);
d2408e757489 8077350: JEP 102 Process API Updates Implementation
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diff changeset
   426
}