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8244936: Reduce JNI overhead of accessing FileDescriptor
Reviewed-by: rriggs, alanb
This commit is contained in:
parent
ad2afe0bf4
commit
168cdcf65d
8 changed files with 66 additions and 45 deletions
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 1997, 2020, 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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@ -76,7 +76,7 @@ JNIEXPORT jlong JNICALL
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Java_java_io_FileInputStream_skip0(JNIEnv *env, jobject this, jlong toSkip) {
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jlong cur = jlong_zero;
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jlong end = jlong_zero;
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FD fd = GET_FD(this, fis_fd);
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FD fd = getFD(env, this, fis_fd);
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if (fd == -1) {
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JNU_ThrowIOException (env, "Stream Closed");
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return 0;
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@ -92,7 +92,7 @@ Java_java_io_FileInputStream_skip0(JNIEnv *env, jobject this, jlong toSkip) {
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JNIEXPORT jint JNICALL
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Java_java_io_FileInputStream_available0(JNIEnv *env, jobject this) {
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jlong ret;
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FD fd = GET_FD(this, fis_fd);
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FD fd = getFD(env, this, fis_fd);
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if (fd == -1) {
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JNU_ThrowIOException (env, "Stream Closed");
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return 0;
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 1997, 2020, 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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@ -94,7 +94,7 @@ Java_java_io_RandomAccessFile_getFilePointer(JNIEnv *env, jobject this) {
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FD fd;
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jlong ret;
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fd = GET_FD(this, raf_fd);
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fd = getFD(env, this, raf_fd);
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if (fd == -1) {
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JNU_ThrowIOException(env, "Stream Closed");
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return -1;
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@ -111,7 +111,7 @@ Java_java_io_RandomAccessFile_length(JNIEnv *env, jobject this) {
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FD fd;
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jlong length = jlong_zero;
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fd = GET_FD(this, raf_fd);
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fd = getFD(env, this, raf_fd);
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if (fd == -1) {
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JNU_ThrowIOException(env, "Stream Closed");
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return -1;
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@ -128,7 +128,7 @@ Java_java_io_RandomAccessFile_seek0(JNIEnv *env,
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FD fd;
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fd = GET_FD(this, raf_fd);
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fd = getFD(env, this, raf_fd);
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if (fd == -1) {
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JNU_ThrowIOException(env, "Stream Closed");
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return;
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@ -147,7 +147,7 @@ Java_java_io_RandomAccessFile_setLength(JNIEnv *env, jobject this,
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FD fd;
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jlong cur;
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fd = GET_FD(this, raf_fd);
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fd = getFD(env, this, raf_fd);
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if (fd == -1) {
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JNU_ThrowIOException(env, "Stream Closed");
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return;
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 1994, 2018, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 1994, 2020, 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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@ -39,7 +39,7 @@ jint
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readSingle(JNIEnv *env, jobject this, jfieldID fid) {
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jint nread;
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char ret;
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FD fd = GET_FD(this, fid);
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FD fd = getFD(env, this, fid);
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if (fd == -1) {
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JNU_ThrowIOException(env, "Stream Closed");
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return -1;
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@ -101,7 +101,7 @@ readBytes(JNIEnv *env, jobject this, jbyteArray bytes,
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buf = stackBuf;
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}
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fd = GET_FD(this, fid);
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fd = getFD(env, this, fid);
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if (fd == -1) {
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JNU_ThrowIOException(env, "Stream Closed");
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nread = -1;
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@ -127,7 +127,7 @@ writeSingle(JNIEnv *env, jobject this, jint byte, jboolean append, jfieldID fid)
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// Discard the 24 high-order bits of byte. See OutputStream#write(int)
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char c = (char) byte;
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jint n;
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FD fd = GET_FD(this, fid);
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FD fd = getFD(env, this, fid);
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if (fd == -1) {
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JNU_ThrowIOException(env, "Stream Closed");
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return;
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@ -178,7 +178,7 @@ writeBytes(JNIEnv *env, jobject this, jbyteArray bytes,
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if (!(*env)->ExceptionOccurred(env)) {
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off = 0;
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while (len > 0) {
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fd = GET_FD(this, fid);
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fd = getFD(env, this, fid);
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if (fd == -1) {
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JNU_ThrowIOException(env, "Stream Closed");
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break;
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