/**
* Returns the current window size of this PTY.
*
* @return a {@link WinSize} instance with information about the master side of the PTY, never
* <code>null</code>.
* @throws IOException in case obtaining the window size failed.
*/
public WinSize getWinSize() throws IOException {
WinSize result = new WinSize();
if (JPty.getWinSize(m_fdMaster, result) < 0) {
throw new IOException("Failed to get window size: " + JPty.errno());
}
return result;
}
/**
* Sets the current window size of this PTY.
*
* @param winSize the {@link WinSize} instance to set on the master side of the PTY, cannot be
* <code>null</code>.
* @throws IllegalArgumentException in case the given argument was <code>null</code>.
* @throws IOException in case obtaining the window size failed.
*/
public void setWinSize(WinSize winSize) throws IOException {
if (winSize == null) {
throw new IllegalArgumentException("WinSize cannot be null!");
}
if (JPty.setWinSize(m_fdMaster, winSize) < 0) {
throw new IOException("Failed to set window size: " + JPty.errno());
}
}
/**
* Tests whether the child-process is still alive or already terminated.
*
* @return <code>true</code> if the child process is still alive, <code>false</code> if it is
* terminated.
*/
public boolean isChildAlive() {
return JPty.isProcessAlive(m_childPid);
}