int
xf86SetSerialModemState(int fd, int state)
{
int ret;
int s;
if (fd < 0)
return -1;
/* Don't try to set parameters for non-tty devices. */
if (!isatty(fd))
return 0;
#ifndef TIOCMGET
return -1;
#else
if (!osStateMask)
osStateMask = getOsStateMask();
state = xf2osState(state);
SYSCALL((ret = ioctl(fd, TIOCMGET, &s)));
if (ret < 0)
return -1;
s &= ~osStateMask;
s |= state;
SYSCALL((ret = ioctl(fd, TIOCMSET, &s)));
if (ret < 0)
return -1;
else
return 0;
#endif
}
int
xf86SetSerialModemState(int fd, int state)
{
ULONG s;
if (fd < 0)
return -1;
/* Don't try to set parameters for non-tty devices. */
if (!isatty(fd))
return 0;
if (!osStateMask)
osStateMask = getOsStateMask();
state = xf2osState(state);
if (_get_modem_state(fd,&s) != 0)
return -1;
s &= ~osStateMask;
s |= state;
return _set_modem_state(fd,s,0x03);
}
int
xf86SerialModemClearBits(int fd, int bits)
{
int ret;
int s;
if (fd < 0)
return -1;
/* Don't try to set parameters for non-tty devices. */
if (!isatty(fd))
return 0;
s = xf2osState(bits);
return _set_modem_state(fd, 0, ~s & 0xff);
}
int
xf86SerialModemClearBits(int fd, int bits)
{
int ret;
int s;
if (fd < 0)
return -1;
/* Don't try to set parameters for non-tty devices. */
if (!isatty(fd))
return 0;
#ifndef TIOCMGET
return -1;
#else
s = xf2osState(bits);
SYSCALL((ret = ioctl(fd, TIOCMBIC, &s)));
return ret;
#endif
}
