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SCP: Add support for operation when stdin isn't a tty

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Also enhanced error messages for startup errors.
This commit is contained in:
Mark Pizzolato 2017-07-31 22:10:15 -07:00
parent 7ed68aed6a
commit b15f753adc
2 changed files with 22 additions and 13 deletions
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12
scp.c
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@ -6823,32 +6823,32 @@ for (i = 1; (dptr = sim_devices[i]) != NULL; i++) { /* reposition all */
}
stop_cpu = 0;
sim_is_running = 1; /* flag running */
if (sim_ttrun () != SCPE_OK) { /* set console mode */
if ((r = sim_ttrun ()) != SCPE_OK) { /* set console mode */
sim_is_running = 0; /* flag idle */
sim_ttcmd ();
return SCPE_TTYERR;
return sim_messagef (SCPE_TTYERR, "sim_ttrun() returned: %s\n", sim_error_text (r));
}
if ((r = sim_check_console (30)) != SCPE_OK) { /* check console, error? */
sim_is_running = 0; /* flag idle */
sim_ttcmd ();
return r;
sim_messagef (r, "sim_check_console () returned: %s\n", sim_error_text (r));
}
if (signal (SIGINT, int_handler) == SIG_ERR) { /* set WRU */
sim_is_running = 0; /* flag idle */
sim_ttcmd ();
return SCPE_SIGERR;
return sim_messagef (SCPE_SIGERR, "Can't establish SIGINT");
}
#ifdef SIGHUP
if (signal (SIGHUP, int_handler) == SIG_ERR) { /* set WRU */
sim_is_running = 0; /* flag idle */
sim_ttcmd ();
return SCPE_SIGERR;
return sim_messagef (SCPE_SIGERR, "Can't establish SIGHUP");
}
#endif
if (signal (SIGTERM, int_handler) == SIG_ERR) { /* set WRU */
sim_is_running = 0; /* flag idle */
sim_ttcmd ();
return SCPE_SIGERR;
return sim_messagef (SCPE_SIGERR, "Can't establish SIGTERM");
}
if (sim_step) /* set step timer */
sim_activate (&sim_step_unit, sim_step);

23
sim_console.c
View file

@ -2645,7 +2645,10 @@ if (!sim_rem_master_mode) {
if ((sim_con_ldsc.rxbps) && /* rate limiting && */
(sim_gtime () < sim_con_ldsc.rxnexttime)) /* too soon? */
return SCPE_OK; /* not yet */
c = sim_os_poll_kbd (); /* get character */
if (sim_ttisatty ())
c = sim_os_poll_kbd (); /* get character */
else
c = SCPE_OK;
if (c == SCPE_STOP) { /* ^E */
stop_cpu = 1; /* Force a stop (which is picked up by sim_process_event */
return SCPE_OK;
@ -2984,7 +2987,11 @@ return r2;
t_bool sim_ttisatty (void)
{
return sim_os_ttisatty ();
static int answer = -1;
if (answer == -1)
answer = sim_os_ttisatty ();
return (t_bool)answer;
}
@ -3220,13 +3227,14 @@ return SCPE_OK;
static t_stat sim_os_ttrun (void)
{
if ((std_input) && /* If Not Background process? */
if ((sim_ttisatty ()) &&
(std_input) && /* If Not Background process? */
(std_input != INVALID_HANDLE_VALUE)) {
if (!GetConsoleMode(std_input, &saved_input_mode))
return SCPE_TTYERR;
return sim_messagef (SCPE_TTYERR, "GetConsoleMode() error: 0x%X\n", GetLastError ());
if ((!SetConsoleMode(std_input, ENABLE_VIRTUAL_TERMINAL_INPUT)) &&
(!SetConsoleMode(std_input, RAW_MODE)))
return SCPE_TTYERR;
return sim_messagef (SCPE_TTYERR, "SetConsoleMode() error: 0x%X\n", GetLastError ());
}
if ((std_output) && /* If Not Background process? */
(std_output != INVALID_HANDLE_VALUE)) {
@ -3249,7 +3257,8 @@ if (sim_log) {
_setmode (_fileno (sim_log), _O_TEXT);
}
sim_os_set_thread_priority (PRIORITY_NORMAL);
if ((std_input) && /* If Not Background process? */
if ((sim_ttisatty ()) &&
(std_input) && /* If Not Background process? */
(std_input != INVALID_HANDLE_VALUE) &&
(!SetConsoleMode(std_input, saved_input_mode))) /* Restore Normal mode */
return SCPE_TTYERR;
@ -3886,7 +3895,7 @@ static t_bool sim_os_poll_kbd_ready (int ms_timeout)
fd_set readfds;
struct timeval timeout;
if (!sim_os_ttisatty()) { /* skip if !tty */
if (!sim_ttisatty()) { /* skip if !tty */
sim_os_ms_sleep (ms_timeout);
return FALSE;
}