public int fcntl(int fd, int cmd, int arg) {
Port port = getPort(fd);
if (port == null) return -1;
if (F_SETFL == cmd) port.m_OpenFlags = arg;
else if (F_GETFL == cmd) return port.m_OpenFlags;
else {
m_ErrNo = ENOTSUP;
return -1;
}
return 0;
}
public int open(String filename, int flags) {
Port port = new Port();
port.m_OpenFlags = flags;
try {
if (!filename.startsWith("\\\\")) filename = "\\\\.\\" + filename;
port.m_Comm =
CreateFileW(
new WString(filename),
GENERIC_READ | GENERIC_WRITE,
0,
null,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
null);
if (INVALID_HANDLE_VALUE == port.m_Comm) {
if (GetLastError() == ERROR_FILE_NOT_FOUND) m_ErrNo = ENOENT;
else m_ErrNo = EBUSY;
port.fail();
}
if (!SetupComm(port.m_Comm, (int) port.m_RdBuffer.size(), (int) port.m_WrBuffer.size()))
port.fail(); // FIXME what would be appropriate error code here
cfmakeraw(port.m_Termios);
cfsetispeed(port.m_Termios, B9600);
cfsetospeed(port.m_Termios, B9600);
port.m_Termios.c_cc[VTIME] = 0;
port.m_Termios.c_cc[VMIN] = 0;
updateFromTermios(port);
port.m_RdOVL.writeField("hEvent", CreateEventA(null, true, false, null));
if (port.m_RdOVL.hEvent == INVALID_HANDLE_VALUE) port.fail();
port.m_WrOVL.writeField("hEvent", CreateEventA(null, true, false, null));
if (port.m_WrOVL.hEvent == INVALID_HANDLE_VALUE) port.fail();
port.m_SelOVL.writeField("hEvent", CreateEventA(null, true, false, null));
if (port.m_SelOVL.hEvent == INVALID_HANDLE_VALUE) port.fail();
return port.m_FD;
} catch (Exception f) {
if (port != null) port.close();
return -1;
}
}