/* this creates the sun4 timers: */
void
_tme_sun4_timer_new(struct tme_sun4 *sun4)
{
struct tme_sun4_timer *timer;
/* loop over the timers: */
timer = &sun4->tme_sun4_timers[0];
do {
/* initialize and reset the timer: */
timer->tme_sun4_timer_sun4 = sun4;
tme_cond_init(&timer->tme_sun4_timer_cond);
_tme_sun4_timer_reset(timer);
/* start the thread for this timer: */
tme_thread_create((tme_thread_t) _tme_sun4_timer_th, timer);
} while (++timer != (&sun4->tme_sun4_timers[0] + TME_ARRAY_ELS(sun4->tme_sun4_timers)));
}
/* the new serial function: */
TME_ELEMENT_SUB_NEW_DECL(tme_host_posix,serial) {
struct tme_posix_serial *serial;
const char *filename_in;
const char *filename_out;
int fd_in, fd_out;
int usage;
int arg_i;
int saved_errno;
int emulate_break;
/* initialize: */
filename_in = NULL;
filename_out = NULL;
emulate_break = FALSE;
arg_i = 1;
usage = FALSE;
/* loop reading our arguments: */
for (;;) {
/* the device we're supposed to use for input: */
if (TME_ARG_IS(args[arg_i + 0], "device-input")
&& args[arg_i + 1] != NULL
&& filename_in == NULL) {
filename_in = args[arg_i + 1];
arg_i += 2;
}
/* the device we're supposed to use for output: */
else if (TME_ARG_IS(args[arg_i + 0], "device-output")
&& args[arg_i + 1] != NULL
&& filename_out == NULL) {
filename_out = args[arg_i + 1];
arg_i += 2;
}
/* the device we're supposed to use for input and output: */
else if (TME_ARG_IS(args[arg_i + 0], "device")
&& args[arg_i + 1] != NULL
&& filename_in == NULL
&& filename_out == NULL) {
filename_in = filename_out = args[arg_i + 1];
arg_i += 2;
}
/* if we're supposed to emulate break: */
else if (TME_ARG_IS(args[arg_i + 0], "break-carats")) {
emulate_break = TRUE;
arg_i++;
}
/* if we've run out of arguments: */
else if (args[arg_i + 0] == NULL) {
/* we must have been given input and output devices: */
if (filename_in == NULL
|| filename_out == NULL) {
usage = TRUE;
}
break;
}
/* this is a bad argument: */
else {
tme_output_append_error(_output,
"%s %s",
args[arg_i],
_("unexpected"));
usage = TRUE;
break;
}
}
if (usage) {
tme_output_append_error(_output,
"%s %s { device %s | { device-input %s device-output %s } } [break-carats]",
_("usage:"),
args[0],
_("DEVICE"),
_("DEVICE"),
_("DEVICE"));
return (EINVAL);
}
/* open the devices: */
fd_in = fd_out = -1;
if (fd_in < 0
&& !strcmp(filename_in, "-")) {
fd_in = STDIN_FILENO;
}
if (fd_out < 0
&& !strcmp(filename_out, "-")) {
fd_out = STDOUT_FILENO;
}
if (fd_in < 0) {
if (strcmp(filename_in, filename_out) == 0) {
if (strcmp(filename_in, "pty") == 0) {
fd_in = fd_out = posix_openpt(O_RDWR | O_NONBLOCK);
if (fd_in != -1) {
int serrno;
if (grantpt(fd_in) == -1) {
bad: serrno = errno;
(void)close(fd_in);
(void)close(fd_out);
errno = serrno;
} else {
filename_in = filename_out = ptsname(fd_in);
if (filename_in) {
tme_output_append(_output, "Using %s as console\n", filename_in);
} else {
goto bad;
}
}
}
} else {
fd_in = fd_out = open(filename_in, O_RDWR | O_NONBLOCK);
}
}
else {
fd_in = open(filename_in, O_RDONLY | O_NONBLOCK);
}
if (fd_in < 0) {
tme_output_append_error(_output, "%s", filename_in);
return (errno);
}
}
if (fd_out < 0) {
fd_out = open(filename_out, O_WRONLY | O_NONBLOCK);
if (fd_out < 0) {
saved_errno = errno;
close(fd_in);
tme_output_append_error(_output, "%s", filename_out);
return (saved_errno);
}
}
/* start the serial structure: */
serial = tme_new0(struct tme_posix_serial, 1);
serial->tme_posix_serial_element = element;
serial->tme_posix_serial_fd_in = fd_in;
serial->tme_posix_serial_fd_out = fd_out;
serial->tme_posix_serial_emulate_break = emulate_break;
serial->tme_posix_serial_ctrl_callout = 0;
serial->tme_posix_serial_ctrl_callout_last = 0;
tme_serial_buffer_init(&serial->tme_posix_serial_buffer_in,
TME_POSIX_SERIAL_BUFFER_SIZE);
tme_serial_buffer_init(&serial->tme_posix_serial_buffer_out,
TME_POSIX_SERIAL_BUFFER_SIZE);
/* start the threads: */
tme_mutex_init(&serial->tme_posix_serial_mutex);
tme_cond_init(&serial->tme_posix_serial_cond_writer);
tme_thread_create((tme_thread_t) _tme_posix_serial_th_writer, serial);
tme_thread_create((tme_thread_t) _tme_posix_serial_th_reader, serial);
tme_thread_create((tme_thread_t) _tme_posix_serial_th_ctrl, serial);
/* fill the element: */
element->tme_element_private = serial;
element->tme_element_connections_new = _tme_posix_serial_connections_new;
return (TME_OK);
}