private void waiterThreadFunc() {
if (!WindowsProcesses.nativeWaitFor(nativeProcess)) {
// There isn't a lot we can do -- the process is still alive but WaitForMultipleObjects()
// failed for some odd reason. We'll pretend it terminated and log a message to jvm.out .
System.err.println(
"Waiting for process " + WindowsProcesses.nativeGetProcessPid(nativeProcess) + " failed");
}
waitLatch.countDown();
}
@Override
public synchronized int exitValue() {
checkLiveness();
int result = WindowsProcesses.nativeGetExitCode(nativeProcess);
String error = WindowsProcesses.nativeGetLastError(nativeProcess);
if (!error.isEmpty()) {
throw new IllegalStateException(error);
}
return result;
}
@Override
public synchronized void finalize() {
if (nativeProcess != -1) {
WindowsProcesses.nativeDelete(nativeProcess);
nativeProcess = -1;
}
}
private synchronized void writeStream(byte[] b, int off, int len) throws IOException {
checkLiveness();
int remaining = len;
int currentOffset = off;
while (remaining != 0) {
int written = WindowsProcesses.nativeWriteStdin(nativeProcess, b, currentOffset, remaining);
// I think the Windows API never returns 0 in dwNumberOfBytesWritten
// Verify.verify(written != 0);
if (written == -1) {
throw new IOException(WindowsProcesses.nativeGetLastError(nativeProcess));
}
remaining -= written;
currentOffset += written;
}
}
@Override
public synchronized boolean destroy() {
checkLiveness();
if (!WindowsProcesses.nativeTerminate(nativeProcess)) {
return false;
}
return true;
}
private synchronized int readStream(Stream stream, byte b[], int off, int len)
throws IOException {
checkLiveness();
int result = -1;
switch (stream) {
case OUT:
result = WindowsProcesses.nativeReadStdout(nativeProcess, b, off, len);
break;
case ERR:
result = WindowsProcesses.nativeReadStderr(nativeProcess, b, off, len);
break;
}
if (result == -1) {
throw new IOException(WindowsProcesses.nativeGetLastError(nativeProcess));
}
return result;
}
