public void close() {
synchronized (JTermiosImpl.this) {
if (m_FD >= 0) {
m_OpenPorts.remove(m_FD);
m_PortFDs[m_FD] = false;
m_FD = -1;
}
if (m_CancelWaitSema4 != null) SetEvent(m_CancelWaitSema4);
if (m_Comm != null) {
ResetEvent(m_SelOVL.hEvent);
if (!CancelIo(m_Comm))
log =
log
&& log(
1,
"CancelIo() failed, GetLastError()= %d, %s\n",
GetLastError(),
lineno(1));
if (!PurgeComm(m_Comm, PURGE_TXABORT + PURGE_TXCLEAR + PURGE_RXABORT + PURGE_RXCLEAR))
log =
log
&& log(
1,
"PurgeComm() failed, GetLastError()= %d, %s\n",
GetLastError(),
lineno(1));
}
HANDLE h; // / 'hEvent' might never have been 'read' so read it
// to this var first
synchronized (m_RdBuffer) {
h = (HANDLE) m_RdOVL.readField("hEvent");
m_RdOVL = null;
if (h != null && !h.equals(NULL) && !h.equals(INVALID_HANDLE_VALUE)) CloseHandle(h);
}
synchronized (m_WrBuffer) {
h = (HANDLE) m_WrOVL.readField("hEvent");
m_WrOVL = null;
if (h != null && !h.equals(NULL) && !h.equals(INVALID_HANDLE_VALUE)) CloseHandle(h);
}
// Ensure that select() is through before releasing the m_SelOVL
waitUnlock();
h = (HANDLE) m_SelOVL.readField("hEvent");
m_SelOVL = null;
if (h != null && !h.equals(NULL) && !h.equals(INVALID_HANDLE_VALUE)) CloseHandle(h);
if (m_Comm != null && m_Comm != NULL && m_Comm != INVALID_HANDLE_VALUE) CloseHandle(m_Comm);
m_Comm = null;
}
}