int create_and_init_pair()
{
struct winsize size;
int slavefd;
pty_pair = pty_pair_create();
if (!pty_pair) {
fprintf(stderr, "%s:%d Unable to create PTY pair", __FILE__, __LINE__);
return -1;
}
slavefd = pty_pair_get_slavefd(pty_pair);
if (slavefd == -1) {
logger_write_pos(logger, __FILE__, __LINE__,
"pty_pair_get_slavefd error");
return -1;
}
/* Set the pty winsize to the winsize of stdout */
if (ioctl(0, TIOCGWINSZ, &size) < 0)
return -1;
if (ioctl(slavefd, TIOCSWINSZ, &size) < 0)
return -1;
return 0;
}
int a2_open_new_tty(struct annotate_two *a2, int *inferior_stdin, int *inferior_stdout)
{
close_inferior_connection(a2);
a2->pty_pair = pty_pair_create();
if (!a2->pty_pair) {
logger_write_pos(logger, __FILE__, __LINE__, "pty_pair_create failed");
return -1;
}
*inferior_stdin = pty_pair_get_masterfd(a2->pty_pair);
*inferior_stdout = pty_pair_get_masterfd(a2->pty_pair);
a2_set_inferior_tty(a2);
return 0;
}
int a2_open_new_tty(struct annotate_two *a2, int *inferior_stdin, int *inferior_stdout)
{
if (a2->pty_pair)
pty_pair_destroy(a2->pty_pair);
a2->pty_pair = pty_pair_create();
if (!a2->pty_pair) {
logger_write_pos(logger, __FILE__, __LINE__, "pty_pair_create failed");
return -1;
}
*inferior_stdin = pty_pair_get_masterfd(a2->pty_pair);
*inferior_stdout = pty_pair_get_masterfd(a2->pty_pair);
commands_issue_command(a2, ANNOTATE_TTY,
pty_pair_get_slavename(a2->pty_pair), 1);
return 0;
}
static int tgdb_open_new_tty(struct tgdb *tgdb, int *inferior_stdin,
int *inferior_stdout)
{
if (tgdb->pty_pair)
pty_pair_destroy(tgdb->pty_pair);
tgdb->pty_pair = pty_pair_create();
if (!tgdb->pty_pair) {
clog_error(CLOG_CGDB, "pty_pair_create failed");
return -1;
}
*inferior_stdin = pty_pair_get_masterfd(tgdb->pty_pair);
*inferior_stdout = pty_pair_get_masterfd(tgdb->pty_pair);
tgdb_request_ptr request_ptr;
request_ptr = (tgdb_request_ptr)cgdb_malloc(sizeof (struct tgdb_request));
request_ptr->header = TGDB_REQUEST_TTY;
request_ptr->choice.tty_command.slavename =
pty_pair_get_slavename(tgdb->pty_pair);
tgdb_run_or_queue_request(tgdb, request_ptr, true);
return 0;
}
int main(int argc, char **argv)
{
int gdb_fd, child_fd, slavefd, masterfd;
#if 0
int c;
read(0, &c, 1);
#endif
if (tty_cbreak(STDIN_FILENO, &term_attributes) == -1)
logger_write_pos(logger, __FILE__, __LINE__, "tty_cbreak error");
pty_pair = pty_pair_create();
if (!pty_pair) {
fprintf(stderr, "%s:%d Unable to create PTY pair", __FILE__, __LINE__);
exit(-1);
}
slavefd = pty_pair_get_slavefd(pty_pair);
if (slavefd == -1) {
fprintf(stderr, "%s:%d Unable to get slavefd", __FILE__, __LINE__);
exit(-1);
}
masterfd = pty_pair_get_masterfd(pty_pair);
if (masterfd == -1) {
fprintf(stderr, "%s:%d Unable to get masterfd", __FILE__, __LINE__);
exit(-1);
}
if (tty_off_xon_xoff(masterfd) == -1)
exit(-1);
rline = rline_initialize(slavefd, rlctx_send_user_command, tab_completion,
getenv("TERM"));
if ((tgdb = tgdb_initialize(NULL, argc - 1, argv + 1, &gdb_fd,
&child_fd)) == NULL) {
logger_write_pos(logger, __FILE__, __LINE__, "tgdb_start error");
goto driver_end;
}
if (tgdb_set_verbose_error_handling(tgdb, 1) != 1) {
logger_write_pos(logger, __FILE__, __LINE__, "driver error");
goto driver_end;
}
/* Ask TGDB to print error messages */
if (tgdb_set_verbose_gui_command_output(tgdb, 1) != 1) {
logger_write_pos(logger, __FILE__, __LINE__, "driver error");
goto driver_end;
}
set_up_signal();
main_loop(gdb_fd, child_fd);
if (tgdb_shutdown(tgdb) == -1)
logger_write_pos(logger, __FILE__, __LINE__, "could not shutdown");
driver_end:
if (tty_set_attributes(STDIN_FILENO, &term_attributes) == -1)
logger_write_pos(logger, __FILE__, __LINE__, "tty_reset error");
return 0;
}
