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fix handle leaks in Windows Process implementation

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This commit is contained in:
Joel Dice
2010-11-09 14:56:26 -07:00
parent 2d60398e63
commit 44f55673d6
2 changed files with 30 additions and 17 deletions
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24
classpath/java/lang/Runtime.java
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@ -43,7 +43,7 @@ public class Runtime {
}
}
public Process exec(String command) {
public Process exec(String command) throws IOException {
StringTokenizer t = new StringTokenizer(command);
String[] cmd = new String[t.countTokens()];
for (int i = 0; i < cmd.length; i++)
@ -52,7 +52,7 @@ public class Runtime {
return exec(cmd);
}
public Process exec(final String[] command) {
public Process exec(final String[] command) throws IOException {
final MyProcess[] process = new MyProcess[1];
final Throwable[] exception = new Throwable[1];
@ -61,10 +61,11 @@ public class Runtime {
public void run() {
synchronized (process) {
try {
long[] info = new long[4];
long[] info = new long[5];
exec(command, info);
process[0] = new MyProcess
(info[0], (int) info[1], (int) info[2], (int) info[3]);
(info[0], info[1], (int) info[2], (int) info[3],
(int) info[4]);
} catch (Throwable e) {
exception[0] = e;
} finally {
@ -77,8 +78,9 @@ public class Runtime {
synchronized (p) {
try {
if (p.pid != 0) {
p.exitCode = Runtime.waitFor(p.pid);
p.exitCode = Runtime.waitFor(p.pid, p.tid);
p.pid = 0;
p.tid = 0;
}
} finally {
p.notifyAll();
@ -100,7 +102,11 @@ public class Runtime {
}
if (exception[0] != null) {
throw new RuntimeException(exception[0]);
if (exception[0] instanceof IOException) {
throw new IOException(exception[0]);
} else {
throw new RuntimeException(exception[0]);
}
}
return process[0];
@ -111,7 +117,7 @@ public class Runtime {
private static native void exec(String[] command, long[] process)
throws IOException;
private static native int waitFor(long pid);
private static native int waitFor(long pid, long tid);
private static native void load(String name, boolean mapName);
@ -125,13 +131,15 @@ public class Runtime {
private static class MyProcess extends Process {
private long pid;
private long tid;
private final int in;
private final int out;
private final int err;
private int exitCode;
public MyProcess(long pid, int in, int out, int err) {
public MyProcess(long pid, long tid, int in, int out, int err) {
this.pid = pid;
this.tid = tid;
this.in = in;
this.out = out;
this.err = err;