提交 6a834a92 编写于 作者: A asaha

Merge

......@@ -37,7 +37,7 @@ PRODUCT = sun
# This re-directs all the class files to a separate location
CLASSDESTDIR = $(TEMPDIR)/classes
OTHER_JAVACFLAGS += -Xlint:serial -Werror
OTHER_JAVACFLAGS += -Xlint:serial,-deprecation -Werror
include $(BUILDDIR)/common/Defs.gmk
#
......
......@@ -418,6 +418,8 @@ public final class ProcessBuilder
* Implements a <a href="#redirect-output">null input stream</a>.
*/
static class NullInputStream extends InputStream {
static final NullInputStream INSTANCE = new NullInputStream();
private NullInputStream() {}
public int read() { return -1; }
public int available() { return 0; }
}
......@@ -426,6 +428,8 @@ public final class ProcessBuilder
* Implements a <a href="#redirect-input">null output stream</a>.
*/
static class NullOutputStream extends OutputStream {
static final NullOutputStream INSTANCE = new NullOutputStream();
private NullOutputStream() {}
public void write(int b) throws IOException {
throw new IOException("Stream closed");
}
......
......@@ -124,15 +124,15 @@ public abstract class ByteToCharISO2022 extends ByteToCharConverter
switch(shiftFlag) {
case SOFlag:
tmpIndex = curSODes;
tmpConverter = (ByteToCharConverter [])SOConverter;
tmpConverter = SOConverter;
break;
case SS2Flag:
tmpIndex = curSS2Des;
tmpConverter = (ByteToCharConverter [])SS2Converter;
tmpConverter = SS2Converter;
break;
case SS3Flag:
tmpIndex = curSS3Des;
tmpConverter = (ByteToCharConverter [])SS3Converter;
tmpConverter = SS3Converter;
break;
}
......
......@@ -141,7 +141,7 @@ public class ByteToCharISO2022JP extends ByteToCharJIS0208 {
} else {
savedSize = 2;
savedBytes[0] = (byte)byte1;
savedBytes[1] = (byte)input[readOff + inputSize];
savedBytes[1] = input[readOff + inputSize];
inputSize++;
}
break;
......
......@@ -34,14 +34,12 @@ public class ByteToCharJISAutoDetect extends ByteToCharConverter {
private final static int SJIS1B_MASK = 0x04;
private final static int EUCJP_KANA1_MASK = 0x08;
private final static int EUCJP_KANA2_MASK = 0x10;
private static byte[] maskTable1;
private static byte[] maskTable2;
private final static byte[] maskTable1 = JISAutoDetect.getByteMask1();
private final static byte[] maskTable2 = JISAutoDetect.getByteMask2();
private final static int SS2 = 0x8e;
private final static int SS3 = 0x8f;
private final static JISAutoDetect nioCoder = new JISAutoDetect();
// SJISName is set to either "SJIS" or "MS932"
private String SJISName;
private String EUCJPName;
......@@ -57,8 +55,6 @@ public class ByteToCharJISAutoDetect extends ByteToCharConverter {
defaultConv = new ByteToCharISO8859_1();
defaultConv.subChars = subChars;
defaultConv.subMode = subMode;
maskTable1 = nioCoder.getByteMask1();
maskTable2 = nioCoder.getByteMask2();
}
public int flush(char [] output, int outStart, int outEnd)
......@@ -133,7 +129,7 @@ public class ByteToCharJISAutoDetect extends ByteToCharConverter {
break;
}
if ((mask == SJIS2B_MASK) || (mask == SJIS1B_MASK)
|| (nioCoder.canBeSJIS1B(firstmask) && secondmask == 0)) {
|| (JISAutoDetect.canBeSJIS1B(firstmask) && secondmask == 0)) {
convName = SJISName;
break;
}
......@@ -145,15 +141,15 @@ public class ByteToCharJISAutoDetect extends ByteToCharConverter {
// character boundary. If we tried both
// possibilities here, it might be able to be
// determined correctly.
if ((byte1 == SS3) && nioCoder.canBeEUCJP(secondmask)) {
if ((byte1 == SS3) && JISAutoDetect.canBeEUCJP(secondmask)) {
if (cnt+1 < inEnd) {
int nextbyte = input[cnt+1] & 0xff;
if (! nioCoder.canBeEUCJP(maskTable2[nextbyte]))
if (! JISAutoDetect.canBeEUCJP(maskTable2[nextbyte]))
convName = SJISName;
} else
convName = SJISName;
}
if (nioCoder.canBeEUCKana(firstmask, secondmask))
if (JISAutoDetect.canBeEUCKana(firstmask, secondmask))
euckana++;
} else {
if ((firstmask & SJIS1B_MASK) != 0) {
......
......@@ -66,7 +66,7 @@ public class CharToBytePCK extends CharToByteSJIS {
switch (ch) {
case '\u2015':
return (int)0x815C;
return 0x815C;
case '\u2014':
return 0;
default:
......
......@@ -103,7 +103,7 @@ public class DoubleByte {
public final static char[] B2C_UNMAPPABLE;
static {
B2C_UNMAPPABLE = new char[0x100];
Arrays.fill(B2C_UNMAPPABLE, (char)UNMAPPABLE_DECODING);
Arrays.fill(B2C_UNMAPPABLE, UNMAPPABLE_DECODING);
}
public static class Decoder extends CharsetDecoder
......@@ -374,7 +374,7 @@ public class DoubleByte {
static final char[] b2cSB;
static {
b2cSB = new char[0x100];
Arrays.fill(b2cSB, (char)UNMAPPABLE_DECODING);
Arrays.fill(b2cSB, UNMAPPABLE_DECODING);
}
Decoder_EBCDIC_DBCSONLY(Charset cs, char[][] b2c, int b2Min, int b2Max) {
super(cs, 0.5f, 1.0f, b2c, b2cSB, b2Min, b2Max);
......
......@@ -79,8 +79,10 @@ public class EUC_JP
JIS_X_0201.Decoder decoderJ0201;
JIS_X_0212_Decoder decoderJ0212;
short[] j0208Index1;
String[] j0208Index2;
private static final short[] j0208Index1 =
JIS_X_0208_Decoder.getIndex1();
private static final String[] j0208Index2 =
JIS_X_0208_Decoder.getIndex2();
protected Decoder(Charset cs) {
super(cs);
......@@ -88,8 +90,6 @@ public class EUC_JP
decoderJ0212 = new JIS_X_0212_Decoder(cs);
start = 0xa1;
end = 0xfe;
j0208Index1 = super.getIndex1();
j0208Index2 = super.getIndex2();
}
protected char decode0212(int byte1, int byte2) {
return decoderJ0212.decodeDouble(byte1, byte2);
......@@ -238,8 +238,10 @@ public class EUC_JP
JIS_X_0201.Encoder encoderJ0201;
JIS_X_0212_Encoder encoderJ0212;
short[] j0208Index1;
String[] j0208Index2;
private static final short[] j0208Index1 =
JIS_X_0208_Encoder.getIndex1();
private static final String[] j0208Index2 =
JIS_X_0208_Encoder.getIndex2();
private final Surrogate.Parser sgp = new Surrogate.Parser();
......@@ -247,8 +249,6 @@ public class EUC_JP
super(cs, 3.0f, 3.0f);
encoderJ0201 = new JIS_X_0201.Encoder(cs);
encoderJ0212 = new JIS_X_0212_Encoder(cs);
j0208Index1 = super.getIndex1();
j0208Index2 = super.getIndex2();
}
public boolean canEncode(char c) {
......
......@@ -65,20 +65,18 @@ public class EUC_JP_LINUX
private static class Decoder extends CharsetDecoder {
JIS_X_0201.Decoder decoderJ0201;
JIS_X_0208_Decoder decodeMappingJ0208;
protected final char REPLACE_CHAR='\uFFFD';
short[] jis0208Index1;
String[] jis0208Index2;
private static final int start = 0xa1;
private static final int end = 0xfe;
private static final short[] jis0208Index1 =
JIS_X_0208_Decoder.getIndex1();
private static final String[] jis0208Index2 =
JIS_X_0208_Decoder.getIndex2();
private Decoder(Charset cs) {
super(cs, 1.0f, 1.0f);
decoderJ0201 = new JIS_X_0201.Decoder(cs);
decodeMappingJ0208 = new JIS_X_0208_Decoder(cs);
decodeMappingJ0208.start = 0xa1;
decodeMappingJ0208.end = 0xfe;
jis0208Index1 = decodeMappingJ0208.getIndex1();
jis0208Index2 = decodeMappingJ0208.getIndex2();
}
protected char convSingleByte(int b) {
......@@ -93,11 +91,11 @@ public class EUC_JP_LINUX
}
if (((byte1 < 0) || (byte1 > jis0208Index1.length))
|| ((byte2 < decodeMappingJ0208.start) || (byte2 > decodeMappingJ0208.end)))
|| ((byte2 < start) || (byte2 > end)))
return REPLACE_CHAR;
int n = (jis0208Index1[byte1 - 0x80] & 0xf) * (decodeMappingJ0208.end - decodeMappingJ0208.start + 1)
+ (byte2 - decodeMappingJ0208.start);
int n = (jis0208Index1[byte1 - 0x80] & 0xf) * (end - start + 1)
+ (byte2 - start);
return jis0208Index2[jis0208Index1[byte1 - 0x80] >> 4].charAt(n);
}
......@@ -213,18 +211,16 @@ public class EUC_JP_LINUX
private static class Encoder extends CharsetEncoder {
JIS_X_0201.Encoder encoderJ0201;
JIS_X_0208_Encoder encoderJ0208;
private final Surrogate.Parser sgp = new Surrogate.Parser();
short[] jis0208Index1;
String[] jis0208Index2;
private static final short[] jis0208Index1 =
JIS_X_0208_Encoder.getIndex1();
private static final String[] jis0208Index2 =
JIS_X_0208_Encoder.getIndex2();
private Encoder(Charset cs) {
super(cs, 2.0f, 2.0f);
encoderJ0201 = new JIS_X_0201.Encoder(cs);
encoderJ0208 = new JIS_X_0208_Encoder(cs);
jis0208Index1 = encoderJ0208.getIndex1();
jis0208Index2 = encoderJ0208.getIndex2();
}
public boolean canEncode(char c) {
......
......@@ -75,8 +75,12 @@ public class EUC_JP_Open
JIS_X_0212_Solaris_Decoder decodeMappingJ0212;
JIS_X_0208_Solaris_Decoder decodeMappingJ0208;
short[] j0208Index1;
String[] j0208Index2;
private static final short[] j0208Index1 =
JIS_X_0208_Solaris_Decoder.getIndex1();
private static final String[] j0208Index2 =
JIS_X_0208_Solaris_Decoder.getIndex2();
private static final int start = 0xa1;
private static final int end = 0xfe;
protected final char REPLACE_CHAR='\uFFFD';
......@@ -84,11 +88,6 @@ public class EUC_JP_Open
super(cs);
decoderJ0201 = new JIS_X_0201.Decoder(cs);
decodeMappingJ0212 = new JIS_X_0212_Solaris_Decoder(cs);
decodeMappingJ0208 = new JIS_X_0208_Solaris_Decoder(cs);
decodeMappingJ0208.start = 0xa1;
decodeMappingJ0208.end = 0xfe;
j0208Index1 = decodeMappingJ0208.getIndex1();
j0208Index2 = decodeMappingJ0208.getIndex2();
}
......@@ -103,9 +102,9 @@ public class EUC_JP_Open
}
if (((byte1 < 0)
|| (byte1 > decodeMappingJ0208.getIndex1().length))
|| ((byte2 < decodeMappingJ0208.start)
|| (byte2 > decodeMappingJ0208.end)))
|| (byte1 > j0208Index1.length))
|| ((byte2 < start)
|| (byte2 > end)))
return REPLACE_CHAR;
char result = super.decodeDouble(byte1, byte2);
......@@ -113,8 +112,8 @@ public class EUC_JP_Open
return result;
} else {
int n = (j0208Index1[byte1 - 0x80] & 0xf) *
(decodeMappingJ0208.end - decodeMappingJ0208.start + 1)
+ (byte2 - decodeMappingJ0208.start);
(end - start + 1)
+ (byte2 - start);
return j0208Index2[j0208Index1[byte1 - 0x80] >> 4].charAt(n);
}
}
......@@ -125,10 +124,11 @@ public class EUC_JP_Open
JIS_X_0201.Encoder encoderJ0201;
JIS_X_0212_Solaris_Encoder encoderJ0212;
JIS_X_0208_Solaris_Encoder encoderJ0208;
short[] j0208Index1;
String[] j0208Index2;
private static final short[] j0208Index1 =
JIS_X_0208_Solaris_Encoder.getIndex1();
private static final String[] j0208Index2 =
JIS_X_0208_Solaris_Encoder.getIndex2();
private final Surrogate.Parser sgp = new Surrogate.Parser();
......@@ -136,9 +136,6 @@ public class EUC_JP_Open
super(cs);
encoderJ0201 = new JIS_X_0201.Encoder(cs);
encoderJ0212 = new JIS_X_0212_Solaris_Encoder(cs);
encoderJ0208 = new JIS_X_0208_Solaris_Encoder(cs);
j0208Index1 = encoderJ0208.getIndex1();
j0208Index2 = encoderJ0208.getIndex2();
}
protected int encodeSingle(char inputChar, byte[] outputByte) {
......
......@@ -423,7 +423,7 @@ public class EUC_TW extends Charset implements HistoricallyNamedCharset
if (dst.remaining() < outSize)
return CoderResult.OVERFLOW;
for (int i = 0; i < outSize; i++)
dst.put((byte)bb[i]);
dst.put(bb[i]);
mark += inSize;
}
return CoderResult.UNDERFLOW;
......
......@@ -12339,7 +12339,7 @@ public class GB18030
int start = 0x40, end = 0xFE;
if (((byte1 < 0) || (byte1 > index1.length))
|| ((byte2 < start) || (byte2 > end)))
return (char)'\uFFFD';
return '\uFFFD';
int n = (index1[byte1] & 0xf) * (end - start + 1) + (byte2 - start);
return index2[index1[byte1] >> 4].charAt(n);
......
......@@ -43,7 +43,7 @@ public class HKSCS {
private char[][] b2cBmp;
private char[][] b2cSupp;
private static DoubleByte.Decoder big5Dec;
private DoubleByte.Decoder big5Dec;
protected Decoder(Charset cs,
DoubleByte.Decoder big5Dec,
......@@ -355,7 +355,7 @@ public class HKSCS {
c2b[hi] = new char[0x100];
Arrays.fill(c2b[hi], (char)UNMAPPABLE_ENCODING);
}
c2b[hi][c & 0xff] = (char)bb;
c2b[hi][c & 0xff] = bb;
}
c++;
}
......
......@@ -104,15 +104,15 @@ abstract class ISO2022
switch(shiftFlag) {
case SOFlag:
tmpIndex = curSODes;
tmpDecoder = (CharsetDecoder [])SODecoder;
tmpDecoder = SODecoder;
break;
case SS2Flag:
tmpIndex = curSS2Des;
tmpDecoder = (CharsetDecoder [])SS2Decoder;
tmpDecoder = SS2Decoder;
break;
case SS3Flag:
tmpIndex = curSS3Des;
tmpDecoder = (CharsetDecoder [])SS3Decoder;
tmpDecoder = SS3Decoder;
break;
}
......
......@@ -82,11 +82,11 @@ public class JISAutoDetect
* with the sun.io JISAutoDetect implementation
*/
public byte[] getByteMask1() {
public static byte[] getByteMask1() {
return Decoder.maskTable1;
}
public byte[] getByteMask2() {
public static byte[] getByteMask2() {
return Decoder.maskTable2;
}
......
......@@ -101,17 +101,15 @@ public class PCK
private static class Encoder extends SJIS.Encoder {
private JIS_X_0201.Encoder jis0201;
private JIS_X_0208_Solaris_Encoder jis0208;
short[] j0208Index1;
String[] j0208Index2;
private static final short[] j0208Index1 =
JIS_X_0208_Solaris_Encoder.getIndex1();
private static final String[] j0208Index2 =
JIS_X_0208_Solaris_Encoder.getIndex2();
private Encoder(Charset cs) {
super(cs);
jis0201 = new JIS_X_0201.Encoder(cs);
jis0208 = new JIS_X_0208_Solaris_Encoder(cs);
j0208Index1 = jis0208.getIndex1();
j0208Index2 = jis0208.getIndex2();
}
protected int encodeDouble(char ch) {
......@@ -121,7 +119,7 @@ public class PCK
switch (ch) {
case '\u2015':
return (int)0x815C;
return 0x815C;
case '\u2014':
return 0;
default:
......
......@@ -114,14 +114,14 @@ public class SJIS
private JIS_X_0201.Encoder jis0201;
short[] j0208Index1;
String[] j0208Index2;
private static final short[] j0208Index1 =
JIS_X_0208_Encoder.getIndex1();
private static final String[] j0208Index2 =
JIS_X_0208_Encoder.getIndex2();
protected Encoder(Charset cs) {
super(cs);
jis0201 = new JIS_X_0201.Encoder(cs);
j0208Index1 = super.getIndex1();
j0208Index2 = super.getIndex2();
}
protected int encodeSingle(char inputChar) {
......
......@@ -25,25 +25,42 @@
package java.lang;
import java.io.*;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.concurrent.Executors;
import java.util.concurrent.Executor;
import java.util.concurrent.ThreadFactory;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
/* java.lang.Process subclass in the UNIX environment.
/**
* java.lang.Process subclass in the UNIX environment.
*
* @author Mario Wolczko and Ross Knippel.
* @author Konstantin Kladko (ported to Linux)
* @author Martin Buchholz
*/
final class UNIXProcess extends Process {
private static final sun.misc.JavaIOFileDescriptorAccess fdAccess
= sun.misc.SharedSecrets.getJavaIOFileDescriptorAccess();
private int pid;
private final int pid;
private int exitcode;
private boolean hasExited;
private OutputStream stdin_stream;
private InputStream stdout_stream;
private InputStream stderr_stream;
private /* final */ OutputStream stdin;
private /* final */ InputStream stdout;
private /* final */ InputStream stderr;
/* this is for the reaping thread */
private native int waitForProcessExit(int pid);
......@@ -51,155 +68,136 @@ final class UNIXProcess extends Process {
/**
* Create a process using fork(2) and exec(2).
*
* @param std_fds array of file descriptors. Indexes 0, 1, and
* 2 correspond to standard input, standard output and
* standard error, respectively. On input, a value of -1
* means to create a pipe to connect child and parent
* processes. On output, a value which is not -1 is the
* parent pipe fd corresponding to the pipe which has
* been created. An element of this array is -1 on input
* if and only if it is <em>not</em> -1 on output.
* @param fds an array of three file descriptors.
* Indexes 0, 1, and 2 correspond to standard input,
* standard output and standard error, respectively. On
* input, a value of -1 means to create a pipe to connect
* child and parent processes. On output, a value which
* is not -1 is the parent pipe fd corresponding to the
* pipe which has been created. An element of this array
* is -1 on input if and only if it is <em>not</em> -1 on
* output.
* @return the pid of the subprocess
*/
private native int forkAndExec(byte[] prog,
byte[] argBlock, int argc,
byte[] envBlock, int envc,
byte[] dir,
int[] std_fds,
int[] fds,
boolean redirectErrorStream)
throws IOException;
/* In the process constructor we wait on this gate until the process */
/* has been created. Then we return from the constructor. */
/* fork() is called by the same thread which later waits for the process */
/* to terminate */
private static class Gate {
private boolean exited = false;
private IOException savedException;
synchronized void exit() { /* Opens the gate */
exited = true;
this.notify();
}
synchronized void waitForExit() { /* wait until the gate is open */
boolean interrupted = false;
while (!exited) {
try {
this.wait();
} catch (InterruptedException e) {
interrupted = true;
}
}
if (interrupted) {
Thread.currentThread().interrupt();
}
}
/**
* The thread factory used to create "process reaper" daemon threads.
*/
private static class ProcessReaperThreadFactory implements ThreadFactory {
private final static ThreadGroup group = getRootThreadGroup();
void setException (IOException e) {
savedException = e;
private static ThreadGroup getRootThreadGroup() {
return AccessController.doPrivileged
(new PrivilegedAction<ThreadGroup> () {
public ThreadGroup run() {
ThreadGroup root = Thread.currentThread().getThreadGroup();
while (root.getParent() != null)
root = root.getParent();
return root;
}});
}
IOException getException() {
return savedException;
public Thread newThread(Runnable grimReaper) {
// Our thread stack requirement is quite modest.
Thread t = new Thread(group, grimReaper, "process reaper", 32768);
t.setDaemon(true);
// A small attempt (probably futile) to avoid priority inversion
t.setPriority(Thread.MAX_PRIORITY);
return t;
}
}
/**
* The thread pool of "process reaper" daemon threads.
*/
private static final Executor processReaperExecutor
= Executors.newCachedThreadPool(new ProcessReaperThreadFactory());
UNIXProcess(final byte[] prog,
final byte[] argBlock, final int argc,
final byte[] envBlock, final int envc,
final byte[] dir,
final int[] std_fds,
final int[] fds,
final boolean redirectErrorStream)
throws IOException {
final Gate gate = new Gate();
/*
* For each subprocess forked a corresponding reaper thread
* is started. That thread is the only thread which waits
* for the subprocess to terminate and it doesn't hold any
* locks while doing so. This design allows waitFor() and
* exitStatus() to be safely executed in parallel (and they
* need no native code).
*/
java.security.AccessController.doPrivileged(
new java.security.PrivilegedAction<Void>() {
public Void run() {
Thread t = new Thread("process reaper") {
public void run() {
try {
pid = forkAndExec(prog,
argBlock, argc,
envBlock, envc,
dir,
std_fds,
redirectErrorStream);
} catch (IOException e) {
gate.setException(e); /*remember to rethrow later*/
gate.exit();
return;
}
java.security.AccessController.doPrivileged(
new java.security.PrivilegedAction<Void>() {
public Void run() {
if (std_fds[0] == -1)
stdin_stream = new ProcessBuilder.NullOutputStream();
else {
FileDescriptor stdin_fd = new FileDescriptor();
fdAccess.set(stdin_fd, std_fds[0]);
stdin_stream = new BufferedOutputStream(
new FileOutputStream(stdin_fd));
}
if (std_fds[1] == -1)
stdout_stream = new ProcessBuilder.NullInputStream();
else {
FileDescriptor stdout_fd = new FileDescriptor();
fdAccess.set(stdout_fd, std_fds[1]);
stdout_stream = new BufferedInputStream(
new FileInputStream(stdout_fd));
}
if (std_fds[2] == -1)
stderr_stream = new ProcessBuilder.NullInputStream();
else {
FileDescriptor stderr_fd = new FileDescriptor();
fdAccess.set(stderr_fd, std_fds[2]);
stderr_stream = new FileInputStream(stderr_fd);
}
return null; }});
gate.exit(); /* exit from constructor */
int res = waitForProcessExit(pid);
synchronized (UNIXProcess.this) {
hasExited = true;
exitcode = res;
UNIXProcess.this.notifyAll();
}
}
};
t.setDaemon(true);
t.start();
return null; }});
gate.waitForExit();
IOException e = gate.getException();
if (e != null)
throw new IOException(e.toString());
throws IOException {
pid = forkAndExec(prog,
argBlock, argc,
envBlock, envc,
dir,
fds,
redirectErrorStream);
try {
AccessController.doPrivileged
(new PrivilegedExceptionAction<Void>() {
public Void run() throws IOException {
initStreams(fds);
return null;
}});
} catch (PrivilegedActionException ex) {
throw (IOException) ex.getException();
}
}
static FileDescriptor newFileDescriptor(int fd) {
FileDescriptor fileDescriptor = new FileDescriptor();
fdAccess.set(fileDescriptor, fd);
return fileDescriptor;
}
void initStreams(int[] fds) throws IOException {
stdin = (fds[0] == -1) ?
ProcessBuilder.NullOutputStream.INSTANCE :
new ProcessPipeOutputStream(fds[0]);
stdout = (fds[1] == -1) ?
ProcessBuilder.NullInputStream.INSTANCE :
new ProcessPipeInputStream(fds[1]);
stderr = (fds[2] == -1) ?
ProcessBuilder.NullInputStream.INSTANCE :
new ProcessPipeInputStream(fds[2]);
processReaperExecutor.execute(new Runnable() {
public void run() {
int exitcode = waitForProcessExit(pid);
UNIXProcess.this.processExited(exitcode);
}});
}
synchronized void processExited(int exitcode) {
if (stdout instanceof ProcessPipeInputStream)
((ProcessPipeInputStream) stdout).processExited();
if (stderr instanceof ProcessPipeInputStream)
((ProcessPipeInputStream) stderr).processExited();
if (stdin instanceof ProcessPipeOutputStream)
((ProcessPipeOutputStream) stdin).processExited();
this.exitcode = exitcode;
hasExited = true;
notifyAll();
}
public OutputStream getOutputStream() {
return stdin_stream;
return stdin;
}
public InputStream getInputStream() {
return stdout_stream;
return stdout;
}
public InputStream getErrorStream() {
return stderr_stream;
return stderr;
}
public synchronized int waitFor() throws InterruptedException {
......@@ -228,13 +226,9 @@ final class UNIXProcess extends Process {
if (!hasExited)
destroyProcess(pid);
}
try {
stdin_stream.close();
stdout_stream.close();
stderr_stream.close();
} catch (IOException e) {
// ignore
}
try { stdin.close(); } catch (IOException ignored) {}
try { stdout.close(); } catch (IOException ignored) {}
try { stderr.close(); } catch (IOException ignored) {}
}
/* This routine initializes JNI field offsets for the class */
......@@ -243,4 +237,77 @@ final class UNIXProcess extends Process {
static {
initIDs();
}
/**
* A buffered input stream for a subprocess pipe file descriptor
* that allows the underlying file descriptor to be reclaimed when
* the process exits, via the processExited hook.
*
* This is tricky because we do not want the user-level InputStream to be
* closed until the user invokes close(), and we need to continue to be
* able to read any buffered data lingering in the OS pipe buffer.
*/
static class ProcessPipeInputStream extends BufferedInputStream {
ProcessPipeInputStream(int fd) {
super(new FileInputStream(newFileDescriptor(fd)));
}
private static byte[] drainInputStream(InputStream in)
throws IOException {
if (in == null) return null;
int n = 0;
int j;
byte[] a = null;
while ((j = in.available()) > 0) {
a = (a == null) ? new byte[j] : Arrays.copyOf(a, n + j);
n += in.read(a, n, j);
}
return (a == null || n == a.length) ? a : Arrays.copyOf(a, n);
}
/** Called by the process reaper thread when the process exits. */
synchronized void processExited() {
// Most BufferedInputStream methods are synchronized, but close()
// is not, and so we have to handle concurrent racing close().
try {
InputStream in = this.in;
if (in != null) {
byte[] stragglers = drainInputStream(in);
in.close();
this.in = (stragglers == null) ?
ProcessBuilder.NullInputStream.INSTANCE :
new ByteArrayInputStream(stragglers);
if (buf == null) // asynchronous close()?
this.in = null;
}
} catch (IOException ignored) {
// probably an asynchronous close().
}
}
}
/**
* A buffered output stream for a subprocess pipe file descriptor
* that allows the underlying file descriptor to be reclaimed when
* the process exits, via the processExited hook.
*/
static class ProcessPipeOutputStream extends BufferedOutputStream {
ProcessPipeOutputStream(int fd) {
super(new FileOutputStream(newFileDescriptor(fd)));
}
/** Called by the process reaper thread when the process exits. */
synchronized void processExited() {
OutputStream out = this.out;
if (out != null) {
try {
out.close();
} catch (IOException ignored) {
// We know of no reason to get an IOException, but if
// we do, there's nothing else to do but carry on.
}
this.out = ProcessBuilder.NullOutputStream.INSTANCE;
}
}
}
}
......@@ -43,8 +43,8 @@ public class COMPOUND_TEXT_Encoder extends CharsetEncoder {
* cannot be used for actual encoding because they are shared across all
* COMPOUND_TEXT encoders and may be stateful.
*/
private static final Map encodingToEncoderMap =
Collections.synchronizedMap(new HashMap(21, 1.0f));
private static final Map<String,CharsetEncoder> encodingToEncoderMap =
Collections.synchronizedMap(new HashMap<String,CharsetEncoder>(21, 1.0f));
private static final CharsetEncoder latin1Encoder;
private static final CharsetEncoder defaultEncoder;
private static final boolean defaultEncodingSupported;
......@@ -221,7 +221,7 @@ public class COMPOUND_TEXT_Encoder extends CharsetEncoder {
out.put((byte)0x1B);
out.put((byte)0x25);
out.put((byte)0x2F);
out.put((byte)nonStandardBytes[3]);
out.put(nonStandardBytes[3]);
int toWrite = Math.min(numBytes - nonStandardBytesOff,
(1 << 14) - 1 - nonStandardEncodingLen);
......@@ -313,12 +313,9 @@ public class COMPOUND_TEXT_Encoder extends CharsetEncoder {
}
// 4. Brute force search of all supported encodings.
for (Iterator iter = CompoundTextSupport.getEncodings().iterator();
iter.hasNext();)
for (String encoding : CompoundTextSupport.getEncodings())
{
String encoding = (String)iter.next();
CharsetEncoder enc =
(CharsetEncoder)encodingToEncoderMap.get(encoding);
CharsetEncoder enc = encodingToEncoderMap.get(encoding);
if (enc == null) {
enc = CompoundTextSupport.getEncoder(encoding);
if (enc == null) {
......
......@@ -130,13 +130,13 @@ final class CompoundTextSupport {
/**
* Maps a GL or GR escape sequence to an encoding.
*/
private static final Map sequenceToEncodingMap;
private static final Map<ControlSequence, String> sequenceToEncodingMap;
/**
* Indicates whether a particular encoding wants the high bit turned on
* or off.
*/
private static final Map highBitsMap;
private static final Map<ControlSequence, Boolean> highBitsMap;
/**
* Maps an encoding to an escape sequence. Rather than manage two
......@@ -144,18 +144,21 @@ final class CompoundTextSupport {
* modify both GL and GR if necessary. This makes the output slightly less
* efficient, but our code much simpler.
*/
private static final Map encodingToSequenceMap;
private static final Map<String, ControlSequence> encodingToSequenceMap;
/**
* The keys of 'encodingToSequenceMap', sorted in preferential order.
*/
private static final List encodings;
private static final List<String> encodings;
static {
HashMap tSequenceToEncodingMap = new HashMap(33, 1.0f);
HashMap tHighBitsMap = new HashMap(31, 1.0f);
HashMap tEncodingToSequenceMap = new HashMap(21, 1.0f);
ArrayList tEncodings = new ArrayList(21);
HashMap<ControlSequence, String> tSequenceToEncodingMap =
new HashMap<>(33, 1.0f);
HashMap<ControlSequence, Boolean> tHighBitsMap =
new HashMap<>(31, 1.0f);
HashMap<String, ControlSequence> tEncodingToSequenceMap =
new HashMap<>(21, 1.0f);
ArrayList<String> tEncodings = new ArrayList<>(21);
if (!(isEncodingSupported("US-ASCII") &&
isEncodingSupported("ISO-8859-1")))
......@@ -457,13 +460,12 @@ final class CompoundTextSupport {
return getNonStandardDecoder(escSequence, null);
}
static boolean getHighBit(byte[] escSequence) {
Boolean bool = (Boolean)highBitsMap.get
(new ControlSequence(escSequence));
Boolean bool = highBitsMap.get(new ControlSequence(escSequence));
return (bool == Boolean.TRUE);
}
static CharsetDecoder getNonStandardDecoder(byte[] escSequence,
byte[] encoding) {
return getDecoder((String)sequenceToEncodingMap.get
return getDecoder(sequenceToEncodingMap.get
(new ControlSequence(escSequence, encoding)));
}
static CharsetDecoder getDecoder(String enc) {
......@@ -474,7 +476,7 @@ final class CompoundTextSupport {
try {
cs = Charset.forName(enc);
} catch (IllegalArgumentException e) {
Class cls;
Class<?> cls;
try {
cls = Class.forName("sun.awt.motif." + enc);
} catch (ClassNotFoundException ee) {
......@@ -497,22 +499,20 @@ final class CompoundTextSupport {
// For Encoder
static byte[] getEscapeSequence(String encoding) {
ControlSequence seq = (ControlSequence)
encodingToSequenceMap.get(encoding);
ControlSequence seq = encodingToSequenceMap.get(encoding);
if (seq != null) {
return seq.escSequence;
}
return null;
}
static byte[] getEncoding(String encoding) {
ControlSequence seq = (ControlSequence)
encodingToSequenceMap.get(encoding);
ControlSequence seq = encodingToSequenceMap.get(encoding);
if (seq != null) {
return seq.encoding;
}
return null;
}
static List getEncodings() {
static List<String> getEncodings() {
return encodings;
}
static CharsetEncoder getEncoder(String enc) {
......@@ -523,7 +523,7 @@ final class CompoundTextSupport {
try {
cs = Charset.forName(enc);
} catch (IllegalArgumentException e) {
Class cls;
Class<?> cls;
try {
cls = Class.forName("sun.awt.motif." + enc);
} catch (ClassNotFoundException ee) {
......
......@@ -37,6 +37,7 @@ import static java.lang.ProcessBuilder.Redirect.*;
import java.io.*;
import java.util.*;
import java.util.concurrent.CountDownLatch;
import java.security.*;
import java.util.regex.Pattern;
import static java.lang.System.getenv;
......@@ -252,9 +253,9 @@ public class Basic {
return sb.toString();
}
static void print4095(OutputStream s) throws Throwable {
static void print4095(OutputStream s, byte b) throws Throwable {
byte[] bytes = new byte[4095];
Arrays.fill(bytes, (byte) '!');
Arrays.fill(bytes, b);
s.write(bytes); // Might hang!
}
......@@ -273,7 +274,9 @@ public class Basic {
public static class JavaChild {
public static void main(String args[]) throws Throwable {
String action = args[0];
if (action.equals("testIO")) {
if (action.equals("sleep")) {
Thread.sleep(10 * 60 * 1000L);
} else if (action.equals("testIO")) {
String expected = "standard input";
char[] buf = new char[expected.length()+1];
int n = new InputStreamReader(System.in).read(buf,0,buf.length);
......@@ -315,7 +318,8 @@ public class Basic {
printUTF8(new File(System.getProperty("user.dir"))
.getCanonicalPath());
} else if (action.equals("print4095")) {
print4095(System.out);
print4095(System.out, (byte) '!');
print4095(System.err, (byte) 'E');
System.exit(5);
} else if (action.equals("OutErr")) {
// You might think the system streams would be
......@@ -1717,16 +1721,107 @@ public class Basic {
} catch (Throwable t) { unexpected(t); }
//----------------------------------------------------------------
// This would deadlock, if not for the fact that
// Attempt to write 4095 bytes to the pipe buffer without a
// reader to drain it would deadlock, if not for the fact that
// interprocess pipe buffers are at least 4096 bytes.
//
// Also, check that available reports all the bytes expected
// in the pipe buffer, and that I/O operations do the expected
// things.
//----------------------------------------------------------------
try {
List<String> childArgs = new ArrayList<String>(javaChildArgs);
childArgs.add("print4095");
Process p = new ProcessBuilder(childArgs).start();
print4095(p.getOutputStream()); // Might hang!
p.waitFor(); // Might hang!
final int SIZE = 4095;
final Process p = new ProcessBuilder(childArgs).start();
print4095(p.getOutputStream(), (byte) '!'); // Might hang!
p.waitFor(); // Might hang!
equal(SIZE, p.getInputStream().available());
equal(SIZE, p.getErrorStream().available());
THROWS(IOException.class,
new Fun(){void f() throws IOException {
p.getOutputStream().write((byte) '!');
p.getOutputStream().flush();
}});
final byte[] bytes = new byte[SIZE + 1];
equal(SIZE, p.getInputStream().read(bytes));
for (int i = 0; i < SIZE; i++)
equal((byte) '!', bytes[i]);
equal((byte) 0, bytes[SIZE]);
equal(SIZE, p.getErrorStream().read(bytes));
for (int i = 0; i < SIZE; i++)
equal((byte) 'E', bytes[i]);
equal((byte) 0, bytes[SIZE]);
equal(0, p.getInputStream().available());
equal(0, p.getErrorStream().available());
equal(-1, p.getErrorStream().read());
equal(-1, p.getInputStream().read());
equal(p.exitValue(), 5);
p.getInputStream().close();
p.getErrorStream().close();
p.getOutputStream().close();
InputStream[] streams = { p.getInputStream(), p.getErrorStream() };
for (final InputStream in : streams) {
Fun[] ops = {
new Fun(){void f() throws IOException {
in.read(); }},
new Fun(){void f() throws IOException {
in.read(bytes); }},
new Fun(){void f() throws IOException {
in.available(); }}
};
for (Fun op : ops) {
try {
op.f();
fail();
} catch (IOException expected) {
check(expected.getMessage()
.matches("[Ss]tream [Cc]losed"));
}
}
}
} catch (Throwable t) { unexpected(t); }
//----------------------------------------------------------------
// Check that reads which are pending when Process.destroy is
// called, get EOF, not IOException("Stream closed").
//----------------------------------------------------------------
try {
final int cases = 4;
for (int i = 0; i < cases; i++) {
final int action = i;
List<String> childArgs = new ArrayList<String>(javaChildArgs);
childArgs.add("sleep");
final byte[] bytes = new byte[10];
final Process p = new ProcessBuilder(childArgs).start();
final CountDownLatch latch = new CountDownLatch(1);
final Thread thread = new Thread() {
public void run() {
try {
latch.countDown();
int r;
switch (action) {
case 0: r = p.getInputStream().read(); break;
case 1: r = p.getErrorStream().read(); break;
case 2: r = p.getInputStream().read(bytes); break;
case 3: r = p.getErrorStream().read(bytes); break;
default: throw new Error();
}
equal(-1, r);
} catch (Throwable t) { unexpected(t); }}};
thread.start();
latch.await();
Thread.sleep(10);
p.destroy();
thread.join();
}
} catch (Throwable t) { unexpected(t); }
//----------------------------------------------------------------
......@@ -1741,7 +1836,6 @@ public class Basic {
} catch (IOException e) {
new File("./emptyCommand").delete();
String m = e.getMessage();
//e.printStackTrace();
if (EnglishUnix.is() &&
! matches(m, "Permission denied"))
unexpected(e);
......
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