mirror of
https://github.com/openjdk/jdk.git
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4947890: Minimize JNI upcalls in system-properties initialization
Reviewed-by: erikj, mchung, bchristi, ihse, coleenp, stuefe
This commit is contained in:
Roger Riggs
parent
94f0c828e3
commit
c1034b1cad
13 changed files with 628 additions and 294 deletions
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 1994, 2017, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 1994, 2018, 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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@ -31,6 +31,7 @@
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#include "java_props.h"
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#include "java_lang_System.h"
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#include "jdk_internal_util_SystemProps_Raw.h"
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#define OBJ "Ljava/lang/Object;"
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@ -56,255 +57,163 @@ Java_java_lang_System_identityHashCode(JNIEnv *env, jobject this, jobject x)
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return JVM_IHashCode(env, x);
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}
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#define PUTPROP(props, key, val) \
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if (1) { \
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jstring jkey, jval; \
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jobject r; \
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jkey = (*env)->NewStringUTF(env, key); \
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if (jkey == NULL) return NULL; \
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jval = (*env)->NewStringUTF(env, val); \
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if (jval == NULL) return NULL; \
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r = (*env)->CallObjectMethod(env, props, putID, jkey, jval); \
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if ((*env)->ExceptionOccurred(env)) return NULL; \
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(*env)->DeleteLocalRef(env, jkey); \
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(*env)->DeleteLocalRef(env, jval); \
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(*env)->DeleteLocalRef(env, r); \
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} else ((void) 0)
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/* VENDOR, VENDOR_URL, VENDOR_URL_BUG are set in VersionProps.java.template. */
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/* "key" is a char type string with only ASCII character in it.
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"val" is a nchar (typedefed in java_props.h) type string */
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#define PUTPROP_ForPlatformNString(props, key, val) \
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if (1) { \
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jstring jkey, jval; \
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jobject r; \
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jkey = (*env)->NewStringUTF(env, key); \
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if (jkey == NULL) return NULL; \
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jval = GetStringPlatform(env, val); \
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if (jval == NULL) return NULL; \
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r = (*env)->CallObjectMethod(env, props, putID, jkey, jval); \
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if ((*env)->ExceptionOccurred(env)) return NULL; \
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(*env)->DeleteLocalRef(env, jkey); \
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(*env)->DeleteLocalRef(env, jval); \
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(*env)->DeleteLocalRef(env, r); \
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} else ((void) 0)
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#define REMOVEPROP(props, key) \
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if (1) { \
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jstring jkey; \
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jobject r; \
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jkey = JNU_NewStringPlatform(env, key); \
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if (jkey == NULL) return NULL; \
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r = (*env)->CallObjectMethod(env, props, removeID, jkey); \
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if ((*env)->ExceptionOccurred(env)) return NULL; \
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(*env)->DeleteLocalRef(env, jkey); \
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(*env)->DeleteLocalRef(env, r); \
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} else ((void) 0)
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#define GETPROP(props, key, jret) \
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if (1) { \
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jstring jkey = JNU_NewStringPlatform(env, key); \
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if (jkey == NULL) return NULL; \
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jret = (*env)->CallObjectMethod(env, props, getPropID, jkey); \
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if ((*env)->ExceptionOccurred(env)) return NULL; \
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(*env)->DeleteLocalRef(env, jkey); \
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} else ((void) 0)
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/* Third party may overwrite these values. */
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#ifndef VENDOR
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#define VENDOR "Oracle Corporation"
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#endif
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#ifndef VENDOR_URL
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#define VENDOR_URL "http://java.oracle.com/"
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#endif
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#ifndef VENDOR_URL_BUG
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#define VENDOR_URL_BUG "http://bugreport.java.com/bugreport/"
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#endif
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#ifdef JAVA_SPECIFICATION_VENDOR /* Third party may NOT overwrite this. */
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#error "ERROR: No override of JAVA_SPECIFICATION_VENDOR is allowed"
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#else
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#define JAVA_SPECIFICATION_VENDOR "Oracle Corporation"
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#endif
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jobject fillI18nProps(JNIEnv *env, jobject props, char *baseKey,
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char *platformDispVal, char *platformFmtVal,
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jmethodID putID, jmethodID getPropID) {
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jstring jVMBaseVal = NULL;
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GETPROP(props, baseKey, jVMBaseVal);
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if (jVMBaseVal) {
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// user specified the base property. there's nothing to do here.
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(*env)->DeleteLocalRef(env, jVMBaseVal);
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} else {
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char buf[64];
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jstring jVMVal = NULL;
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const char *baseVal = "";
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/* user.xxx base property */
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if (platformDispVal) {
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PUTPROP(props, baseKey, platformDispVal);
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baseVal = platformDispVal;
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}
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/* user.xxx.display property */
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jio_snprintf(buf, sizeof(buf), "%s.display", baseKey);
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GETPROP(props, buf, jVMVal);
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if (jVMVal == NULL) {
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if (platformDispVal && (strcmp(baseVal, platformDispVal) != 0)) {
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PUTPROP(props, buf, platformDispVal);
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}
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} else {
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(*env)->DeleteLocalRef(env, jVMVal);
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}
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/* user.xxx.format property */
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jio_snprintf(buf, sizeof(buf), "%s.format", baseKey);
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GETPROP(props, buf, jVMVal);
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if (jVMVal == NULL) {
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if (platformFmtVal && (strcmp(baseVal, platformFmtVal) != 0)) {
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PUTPROP(props, buf, platformFmtVal);
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}
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} else {
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(*env)->DeleteLocalRef(env, jVMVal);
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}
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/*
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* Store the UTF-8 string encoding of the value in the array
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* at the index if the value is non-null. Store nothing if the value is null.
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* On any error, return from Java_jdk_internal_util_SystemProps_00024Raw_platformProperties.
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*/
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#define PUTPROP(array, prop_index, val) \
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if (val != NULL) { \
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jstring jval = (*env)->NewStringUTF(env, val); \
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if (jval == NULL) \
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return NULL; \
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(*env)->SetObjectArrayElement(env, array, jdk_internal_util_SystemProps_Raw_##prop_index, jval); \
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if ((*env)->ExceptionOccurred(env)) \
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return NULL; \
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(*env)->DeleteLocalRef(env, jval); \
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}
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return NULL;
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}
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/*
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* Store the Platform string encoding of the value in the array
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* at the index if the value is non-null. Store nothing if the value is null.
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* On any error, return from Java_jdk_internal_util_SystemProps_00024Raw_platformProperties.
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*/
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#define PUTPROP_PlatformString(array, prop_index, val) \
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if (val != NULL) { \
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jstring jval = GetStringPlatform(env, val); \
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if (jval == NULL) \
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return NULL; \
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(*env)->SetObjectArrayElement(env, array, jdk_internal_util_SystemProps_Raw_##prop_index, jval); \
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if ((*env)->ExceptionOccurred(env)) \
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return NULL; \
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(*env)->DeleteLocalRef(env, jval); \
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}
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JNIEXPORT jobject JNICALL
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Java_java_lang_System_initProperties(JNIEnv *env, jclass cla, jobject props)
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/*
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* Gather the system properties and return as a String[].
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* The first FIXED_LENGTH entries are the platform defined property values, no names.
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* The remaining array indices are alternating key/value pairs
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* supplied by the VM including those defined on the command line
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* using -Dkey=value that may override the platform defined value.
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* The caller is responsible for replacing platform provided values as needed.
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*
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* Class: jdk_internal_util_SystemProps_Raw
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* Method: platformProperties
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* Signature: ()[Ljava/lang/String;
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*/
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JNIEXPORT jobjectArray JNICALL
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Java_jdk_internal_util_SystemProps_00024Raw_platformProperties(JNIEnv *env, jclass cla)
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{
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char buf[128];
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java_props_t *sprops;
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jmethodID putID, removeID, getPropID;
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jobject ret = NULL;
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jstring jVMVal = NULL;
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jobject propArray = NULL;
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jclass classString;
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int nstrings = jdk_internal_util_SystemProps_Raw_FIXED_LENGTH;
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if ((*env)->EnsureLocalCapacity(env, 50) < 0) {
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return NULL;
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}
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// Get the platform specific values
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sprops = GetJavaProperties(env);
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CHECK_NULL_RETURN(sprops, NULL);
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putID = (*env)->GetMethodID(env,
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(*env)->GetObjectClass(env, props),
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"put",
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"(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
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CHECK_NULL_RETURN(putID, NULL);
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/*
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* !!! DO NOT call PUTPROP_PlatformString (NewStringPlatform) before this line !!!
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*/
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InitializeEncoding(env, sprops->sun_jnu_encoding);
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removeID = (*env)->GetMethodID(env,
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(*env)->GetObjectClass(env, props),
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"remove",
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"(Ljava/lang/Object;)Ljava/lang/Object;");
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CHECK_NULL_RETURN(removeID, NULL);
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getPropID = (*env)->GetMethodID(env,
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(*env)->GetObjectClass(env, props),
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"getProperty",
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"(Ljava/lang/String;)Ljava/lang/String;");
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CHECK_NULL_RETURN(getPropID, NULL);
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PUTPROP(props, "java.specification.version",
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VERSION_SPECIFICATION);
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PUTPROP(props, "java.specification.name",
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"Java Platform API Specification");
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PUTPROP(props, "java.specification.vendor",
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JAVA_SPECIFICATION_VENDOR);
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PUTPROP(props, "java.vendor", VENDOR);
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PUTPROP(props, "java.vendor.url", VENDOR_URL);
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PUTPROP(props, "java.vendor.url.bug", VENDOR_URL_BUG);
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jio_snprintf(buf, sizeof(buf), "%d.%d", JVM_CLASSFILE_MAJOR_VERSION,
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JVM_CLASSFILE_MINOR_VERSION);
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PUTPROP(props, "java.class.version", buf);
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if (sprops->awt_toolkit) {
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PUTPROP(props, "awt.toolkit", sprops->awt_toolkit);
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// Ensure capacity for the array and for a string for each fixed length element
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if ((*env)->EnsureLocalCapacity(env, nstrings + 2) < 0) {
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return NULL;
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}
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#ifdef MACOSX
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if (sprops->awt_headless) {
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PUTPROP(props, "java.awt.headless", sprops->awt_headless);
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}
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#endif
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// Allocate an array of String for all the well known props
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classString = JNU_ClassString(env);
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CHECK_NULL_RETURN(classString, NULL);
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propArray = (*env)->NewObjectArray(env, nstrings, classString, NULL);
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CHECK_NULL_RETURN(propArray, NULL);
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/* os properties */
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PUTPROP(props, "os.name", sprops->os_name);
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PUTPROP(props, "os.version", sprops->os_version);
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PUTPROP(props, "os.arch", sprops->os_arch);
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PUTPROP(propArray, _os_name_NDX, sprops->os_name);
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PUTPROP(propArray, _os_version_NDX, sprops->os_version);
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PUTPROP(propArray, _os_arch_NDX, sprops->os_arch);
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#ifdef JDK_ARCH_ABI_PROP_NAME
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PUTPROP(props, "sun.arch.abi", sprops->sun_arch_abi);
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PUTPROP(propArray, _sun_arch_abi_NDX, sprops->sun_arch_abi);
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#endif
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/* file system properties */
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PUTPROP(props, "file.separator", sprops->file_separator);
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PUTPROP(props, "path.separator", sprops->path_separator);
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PUTPROP(props, "line.separator", sprops->line_separator);
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PUTPROP(propArray, _file_separator_NDX, sprops->file_separator);
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PUTPROP(propArray, _path_separator_NDX, sprops->path_separator);
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PUTPROP(propArray, _line_separator_NDX, sprops->line_separator);
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PUTPROP(propArray, _file_encoding_NDX, sprops->encoding);
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PUTPROP(propArray, _sun_jnu_encoding_NDX, sprops->sun_jnu_encoding);
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/*
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* file encoding for stdout and stderr
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*/
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if (sprops->sun_stdout_encoding != NULL) {
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PUTPROP(props, "sun.stdout.encoding", sprops->sun_stdout_encoding);
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}
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if (sprops->sun_stderr_encoding != NULL) {
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PUTPROP(props, "sun.stderr.encoding", sprops->sun_stderr_encoding);
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}
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PUTPROP(propArray, _sun_stdout_encoding_NDX, sprops->sun_stdout_encoding);
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PUTPROP(propArray, _sun_stderr_encoding_NDX, sprops->sun_stderr_encoding);
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/* unicode_encoding specifies the default endianness */
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PUTPROP(props, "sun.io.unicode.encoding", sprops->unicode_encoding);
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if (sprops->cpu_isalist != NULL) {
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// leave undefined if none
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PUTPROP(props, "sun.cpu.isalist", sprops->cpu_isalist);
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}
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PUTPROP(props, "sun.cpu.endian", sprops->cpu_endian);
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PUTPROP(propArray, _sun_io_unicode_encoding_NDX, sprops->unicode_encoding);
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PUTPROP(propArray, _sun_cpu_endian_NDX, sprops->cpu_endian);
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PUTPROP(propArray, _sun_cpu_isalist_NDX, sprops->cpu_isalist);
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#ifdef MACOSX
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PUTPROP(propArray, _java_awt_headless_NDX, sprops->awt_headless);
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/* Proxy setting properties */
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if (sprops->httpProxyEnabled) {
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PUTPROP(props, "http.proxyHost", sprops->httpHost);
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PUTPROP(props, "http.proxyPort", sprops->httpPort);
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PUTPROP(propArray, _http_proxyHost_NDX, sprops->httpHost);
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PUTPROP(propArray, _http_proxyPort_NDX, sprops->httpPort);
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}
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if (sprops->httpsProxyEnabled) {
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PUTPROP(props, "https.proxyHost", sprops->httpsHost);
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PUTPROP(props, "https.proxyPort", sprops->httpsPort);
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PUTPROP(propArray, _https_proxyHost_NDX, sprops->httpsHost);
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PUTPROP(propArray, _https_proxyPort_NDX, sprops->httpsPort);
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}
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if (sprops->ftpProxyEnabled) {
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PUTPROP(props, "ftp.proxyHost", sprops->ftpHost);
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PUTPROP(props, "ftp.proxyPort", sprops->ftpPort);
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PUTPROP(propArray, _ftp_proxyHost_NDX, sprops->ftpHost);
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PUTPROP(propArray, _ftp_proxyPort_NDX, sprops->ftpPort);
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}
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if (sprops->socksProxyEnabled) {
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PUTPROP(props, "socksProxyHost", sprops->socksHost);
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PUTPROP(props, "socksProxyPort", sprops->socksPort);
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PUTPROP(propArray, _socksProxyHost_NDX, sprops->socksHost);
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PUTPROP(propArray, _socksProxyPort_NDX, sprops->socksPort);
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}
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if (sprops->gopherProxyEnabled) {
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// The gopher client is different in that it expects an 'is this set?' flag that the others don't.
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PUTPROP(props, "gopherProxySet", "true");
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PUTPROP(props, "gopherProxyHost", sprops->gopherHost);
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PUTPROP(props, "gopherProxyPort", sprops->gopherPort);
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PUTPROP(propArray, _gopherProxySet_NDX, "true");
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PUTPROP(propArray, _gopherProxyHost_NDX, sprops->gopherHost);
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PUTPROP(propArray, _gopherProxyPort_NDX, sprops->gopherPort);
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} else {
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PUTPROP(props, "gopherProxySet", "false");
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PUTPROP(propArray, _gopherProxySet_NDX, "false");
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}
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// Mac OS X only has a single proxy exception list which applies
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// to all protocols
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if (sprops->exceptionList) {
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PUTPROP(props, "http.nonProxyHosts", sprops->exceptionList);
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PUTPROP(props, "ftp.nonProxyHosts", sprops->exceptionList);
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PUTPROP(props, "socksNonProxyHosts", sprops->exceptionList);
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PUTPROP(propArray, _http_nonProxyHosts_NDX, sprops->exceptionList);
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PUTPROP(propArray, _ftp_nonProxyHosts_NDX, sprops->exceptionList);
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PUTPROP(propArray, _socksNonProxyHosts_NDX, sprops->exceptionList);
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}
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#endif
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/* !!! DO NOT call PUTPROP_ForPlatformNString before this line !!!
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* !!! The platform native encoding for strings has not been set up yet !!!
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*/
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InitializeEncoding(env, sprops->sun_jnu_encoding);
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/* data model */
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if (sizeof(sprops) == 4) {
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sprops->data_model = "32";
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} else if (sizeof(sprops) == 8) {
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sprops->data_model = "64";
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} else {
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sprops->data_model = "unknown";
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}
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PUTPROP(propArray, _sun_arch_data_model_NDX, sprops->data_model);
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/* patch level */
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PUTPROP(propArray, _sun_os_patch_level_NDX, sprops->patch_level);
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/* Printing properties */
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/* Note: java.awt.printerjob is an implementation private property which
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@ -317,24 +226,9 @@ Java_java_lang_System_initProperties(JNIEnv *env, jclass cla, jobject props)
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* find and load classes that are part of the JRE.
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* This property may be removed if that mechanism is redesigned
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*/
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PUTPROP(props, "java.awt.printerjob", sprops->printerJob);
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PUTPROP(propArray, _java_awt_printerjob_NDX, sprops->printerJob);
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/* data model */
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if (sizeof(sprops) == 4) {
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sprops->data_model = "32";
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} else if (sizeof(sprops) == 8) {
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sprops->data_model = "64";
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} else {
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sprops->data_model = "unknown";
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}
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PUTPROP(props, "sun.arch.data.model", \
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sprops->data_model);
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/* patch level */
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if (sprops->patch_level != NULL) {
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PUTPROP(props, "sun.os.patch.level", \
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sprops->patch_level);
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}
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PUTPROP(propArray, _awt_toolkit_NDX, sprops->awt_toolkit);
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/* Java2D properties */
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/* Note: java.awt.graphicsenv is an implementation private property which
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@ -347,55 +241,53 @@ Java_java_lang_System_initProperties(JNIEnv *env, jclass cla, jobject props)
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* find and load classes that are part of the JRE.
|
||||
* This property may be removed if that mechanism is redesigned
|
||||
*/
|
||||
PUTPROP(props, "java.awt.graphicsenv", sprops->graphics_env);
|
||||
if (sprops->font_dir != NULL) {
|
||||
PUTPROP_ForPlatformNString(props,
|
||||
"sun.java2d.fontpath", sprops->font_dir);
|
||||
}
|
||||
PUTPROP(propArray, _java_awt_graphicsenv_NDX, sprops->graphics_env);
|
||||
PUTPROP_PlatformString(propArray, _sun_java2d_fontpath_NDX, sprops->font_dir);
|
||||
|
||||
PUTPROP_ForPlatformNString(props, "java.io.tmpdir", sprops->tmp_dir);
|
||||
|
||||
PUTPROP_ForPlatformNString(props, "user.name", sprops->user_name);
|
||||
PUTPROP_ForPlatformNString(props, "user.home", sprops->user_home);
|
||||
PUTPROP_ForPlatformNString(props, "user.dir", sprops->user_dir);
|
||||
|
||||
/* This is a sun. property as it is currently only set for Gnome and
|
||||
* Windows desktops.
|
||||
/*
|
||||
* The sun.desktop property is currently only set for Gnome and Windows desktops.
|
||||
*/
|
||||
if (sprops->desktop != NULL) {
|
||||
PUTPROP(props, "sun.desktop", sprops->desktop);
|
||||
}
|
||||
PUTPROP(propArray, _sun_desktop_NDX, sprops->desktop);
|
||||
|
||||
ret = JVM_InitProperties(env, props);
|
||||
PUTPROP_PlatformString(propArray, _java_io_tmpdir_NDX, sprops->tmp_dir);
|
||||
|
||||
/* reconstruct i18n related properties */
|
||||
fillI18nProps(env, props, "user.language", sprops->display_language,
|
||||
sprops->format_language, putID, getPropID);
|
||||
fillI18nProps(env, props, "user.script",
|
||||
sprops->display_script, sprops->format_script, putID, getPropID);
|
||||
fillI18nProps(env, props, "user.country",
|
||||
sprops->display_country, sprops->format_country, putID, getPropID);
|
||||
fillI18nProps(env, props, "user.variant",
|
||||
sprops->display_variant, sprops->format_variant, putID, getPropID);
|
||||
GETPROP(props, "file.encoding", jVMVal);
|
||||
if (jVMVal == NULL) {
|
||||
#ifdef MACOSX
|
||||
/*
|
||||
* Since sun_jnu_encoding is now hard-coded to UTF-8 on Mac, we don't
|
||||
* want to use it to overwrite file.encoding
|
||||
*/
|
||||
PUTPROP(props, "file.encoding", sprops->encoding);
|
||||
#else
|
||||
PUTPROP(props, "file.encoding", sprops->sun_jnu_encoding);
|
||||
#endif
|
||||
} else {
|
||||
(*env)->DeleteLocalRef(env, jVMVal);
|
||||
}
|
||||
PUTPROP_PlatformString(propArray, _user_name_NDX, sprops->user_name);
|
||||
PUTPROP_PlatformString(propArray, _user_home_NDX, sprops->user_home);
|
||||
PUTPROP_PlatformString(propArray, _user_dir_NDX, sprops->user_dir);
|
||||
|
||||
// Platform defined encoding properties override any on the command line
|
||||
PUTPROP(props, "sun.jnu.encoding", sprops->sun_jnu_encoding);
|
||||
/*
|
||||
* Set i18n related property fields from platform.
|
||||
*/
|
||||
PUTPROP(propArray, _display_language_NDX, sprops->display_language);
|
||||
PUTPROP(propArray, _display_script_NDX, sprops->display_script);
|
||||
PUTPROP(propArray, _display_country_NDX, sprops->display_country);
|
||||
PUTPROP(propArray, _display_variant_NDX, sprops->display_variant);
|
||||
|
||||
return ret;
|
||||
PUTPROP(propArray, _format_language_NDX, sprops->format_language);
|
||||
PUTPROP(propArray, _format_script_NDX, sprops->format_script);
|
||||
PUTPROP(propArray, _format_country_NDX, sprops->format_country);
|
||||
PUTPROP(propArray, _format_variant_NDX, sprops->format_variant);
|
||||
|
||||
return propArray;
|
||||
}
|
||||
|
||||
/*
|
||||
* Gather the VM and command line properties and return as a String[].
|
||||
* The array indices are alternating key/value pairs
|
||||
* supplied by the VM including those defined on the command line
|
||||
* using -Dkey=value that may override the platform defined value.
|
||||
*
|
||||
* Note: The platform encoding must have been set.
|
||||
*
|
||||
* Class: jdk_internal_util_SystemProps_Raw
|
||||
* Method: vmProperties
|
||||
* Signature: ()[Ljava/lang/String;
|
||||
*/
|
||||
JNIEXPORT jobjectArray JNICALL
|
||||
Java_jdk_internal_util_SystemProps_00024Raw_vmProperties(JNIEnv *env, jclass cla)
|
||||
{
|
||||
jobjectArray cmdProps = JVM_GetProperties(env);
|
||||
return cmdProps;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue