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#include "links.h"
void sig_intr(struct terminal *t)
{
exit_prog(t, NULL, NULL);
}
void sig_terminate(struct terminal *t)
{
terminate = 1;
}
void sig_tstp(struct terminal *t)
{
block_itrm(0);
#ifdef SIGSTOP
raise(SIGSTOP);
#endif
}
void sig_cont(struct terminal *t)
{
unblock_itrm(0);
redraw_terminal_cls(t);
}
void handle_basic_signals(struct terminal *term)
{
install_signal_handler(SIGHUP, (void (*)(void *))sig_intr, term, 0);
install_signal_handler(SIGINT, (void (*)(void *))sig_intr, term, 0);
install_signal_handler(SIGTERM, (void (*)(void *))sig_terminate, term, 0);
#ifdef SIGTSTP
install_signal_handler(SIGTSTP, (void (*)(void *))sig_tstp, term, 0);
#endif
#ifdef SIGTTIN
install_signal_handler(SIGTTIN, (void (*)(void *))sig_tstp, term, 0);
#endif
#ifdef SIGTTOU
install_signal_handler(SIGTTOU, (void (*)(void *))sig_tstp, term, 0);
#endif
#ifdef SIGCONT
install_signal_handler(SIGCONT, (void (*)(void *))sig_cont, term, 0);
#endif
}
int attach_terminal(int in, int out, void *info, int len)
{
struct terminal *term;
int fd[2];
if (c_pipe(fd)) {
mem_free(info);
error("ERROR: can't create pipe for internal communication");
return -1;
}
fcntl(fd[0], F_SETFL, O_NONBLOCK);
fcntl(fd[1], F_SETFL, O_NONBLOCK);
handle_trm(in, out, out, fd[1], info, len);
mem_free(info);
if ((term = init_term(fd[0], out, win_func))) {
handle_basic_signals(term);
return fd[1];
}
close(fd[0]);
close(fd[1]);
return -1;
}
int ac;
unsigned char **av;
unsigned char *path_to_exe;
void init()
{
void *info;
int len;
unsigned char *u;
set_sigcld();
if ((assume_cp = get_cp_index("ISO-8859-1")) == -1) assume_cp = 0;
init_home();
load_config();
u = parse_options(ac - 1, av + 1);
if (!u) {
terminate = 1;
return;
}
if (!((info = create_session_info(0, u, &len)) && attach_terminal(get_input_handle(), 1, info, len) != -1)) terminate = 1;
}
void terminate_all_subsystems()
{
destroy_all_sessions();
abort_all_downloads();
destroy_all_terminals();
check_bottom_halves();
free_all_itrms();
abort_all_connections();
shrink_memory(1);
free_history_lists();
free_term_specs();
free_types();
free_conv_table();
free_blacklist();
check_bottom_halves();
end_config();
}
int main(int argc, char *argv[])
{
path_to_exe = argv[0];
ac = argc;
av = (unsigned char **)argv;
select_loop(init);
terminate_all_subsystems();
check_memory_leaks();
return 0;
}
void shrink_memory(int u)
{
shrink_dns_cache(u);
shrink_format_cache(u);
garbage_collection(u);
delete_unused_format_cache_entries();
}
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