src/share/native/sun/misc/VM.c

Print this page

        

*** 1,7 **** /* ! * Copyright (c) 2004, 2011, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this --- 1,7 ---- /* ! * Copyright (c) 2004, 2014, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this
*** 31,118 **** #include "jvm.h" #include "jdk_util.h" #include "sun_misc_VM.h" - typedef jintArray (JNICALL *GET_THREAD_STATE_VALUES_FN)(JNIEnv *, jint); - typedef jobjectArray (JNICALL *GET_THREAD_STATE_NAMES_FN)(JNIEnv *, jint, jintArray); - - static GET_THREAD_STATE_VALUES_FN GetThreadStateValues_fp = NULL; - static GET_THREAD_STATE_NAMES_FN GetThreadStateNames_fp = NULL; - - static void get_thread_state_info(JNIEnv *env, jint state, - jobjectArray stateValues, - jobjectArray stateNames) { - char errmsg[128]; - jintArray values; - jobjectArray names; - - values = (*GetThreadStateValues_fp)(env, state); - if (values == NULL) { - sprintf(errmsg, "Mismatched VM version: Thread state (%d) " - "not supported", state); - JNU_ThrowInternalError(env, errmsg); - return; - } - /* state is also used as the index in the array */ - (*env)->SetObjectArrayElement(env, stateValues, state, values); - - names = (*GetThreadStateNames_fp)(env, state, values); - if (names == NULL) { - sprintf(errmsg, "Mismatched VM version: Thread state (%d) " - "not supported", state); - JNU_ThrowInternalError(env, errmsg); - return; - } - (*env)->SetObjectArrayElement(env, stateNames, state, names); - } - - JNIEXPORT void JNICALL - Java_sun_misc_VM_getThreadStateValues(JNIEnv *env, jclass cls, - jobjectArray values, - jobjectArray names) - { - char errmsg[128]; - - // check if the number of Thread.State enum constants - // matches the number of states defined in jvm.h - jsize len1 = (*env)->GetArrayLength(env, values); - jsize len2 = (*env)->GetArrayLength(env, names); - if (len1 != JAVA_THREAD_STATE_COUNT || len2 != JAVA_THREAD_STATE_COUNT) { - sprintf(errmsg, "Mismatched VM version: JAVA_THREAD_STATE_COUNT = %d " - " but JDK expects %d / %d", - JAVA_THREAD_STATE_COUNT, len1, len2); - JNU_ThrowInternalError(env, errmsg); - return; - } - - if (GetThreadStateValues_fp == NULL) { - GetThreadStateValues_fp = (GET_THREAD_STATE_VALUES_FN) - JDK_FindJvmEntry("JVM_GetThreadStateValues"); - if (GetThreadStateValues_fp == NULL) { - JNU_ThrowInternalError(env, - "Mismatched VM version: JVM_GetThreadStateValues not found"); - return; - } - - GetThreadStateNames_fp = (GET_THREAD_STATE_NAMES_FN) - JDK_FindJvmEntry("JVM_GetThreadStateNames"); - if (GetThreadStateNames_fp == NULL) { - JNU_ThrowInternalError(env, - "Mismatched VM version: JVM_GetThreadStateNames not found"); - return ; - } - } - - get_thread_state_info(env, JAVA_THREAD_STATE_NEW, values, names); - get_thread_state_info(env, JAVA_THREAD_STATE_RUNNABLE, values, names); - get_thread_state_info(env, JAVA_THREAD_STATE_BLOCKED, values, names); - get_thread_state_info(env, JAVA_THREAD_STATE_WAITING, values, names); - get_thread_state_info(env, JAVA_THREAD_STATE_TIMED_WAITING, values, names); - get_thread_state_info(env, JAVA_THREAD_STATE_TERMINATED, values, names); - } - JNIEXPORT jobject JNICALL Java_sun_misc_VM_latestUserDefinedLoader(JNIEnv *env, jclass cls) { return JVM_LatestUserDefinedLoader(env); } --- 31,40 ----