int ttshell(unsigned char *cmd)
{
int x, omode = ttymode;
int stat= -1;
unsigned char *s = (unsigned char *)getenv("SHELL");
if (!s) {
s = "/bin/sh";
/* return; */
}
ttclsn();
if ((x = fork()) != 0) {
if (x != -1)
wait(&stat);
if (omode)
ttopnn();
return stat;
} else {
signrm();
if (cmd)
execl((char *)s, (char *)s, "-c", cmd, NULL);
else {
fprintf(stderr, (char *)joe_gettext(_("You are at the command shell. Type 'exit' to return\n")));
execl((char *)s, (char *)s, NULL);
}
_exit(0);
return 0;
}
}
void ttsusp(void)
{
int omode;
omode = ttymode;
mpxsusp();
ttclsn();
fprintf(stderr, (char *)joe_gettext(_("You have suspended the program. Type 'fg' to return\n")));
kill(0, SIGTSTP);
if (omode)
ttopnn();
if (ackkbd!= -1)
mpxresume();
}
void ttsusp(void)
{
int omode;
#ifdef SIGTSTP
omode = ttymode;
mpxsusp();
ttclsn();
fprintf(stderr, (char *)joe_gettext(_("You have suspended the program. Type 'fg' to return\n")));
kill(0, SIGTSTP);
#ifdef junk
/* Hmmm... this should not have been necessary */
if (ackkbd != -1)
kill(kbdpid, SIGCONT);
#endif
if (omode)
ttopnn();
if (ackkbd!= -1)
mpxresume();
#else
ttshell(NULL);
#endif
}
int ttshell(unsigned char *cmd)
{
int x, omode = ttymode;
int stat= -1;
unsigned char *s = (unsigned char *)getenv("SHELL");
if (!s) {
s = USTR "/bin/sh";
/* return; */
}
ttclsn();
#ifdef HAVE_FORK
if ((x = fork()) != 0) {
#else
if ((x = vfork()) != 0) { /* For AMIGA only */
#endif
if (x != -1)
wait(&stat);
if (omode)
ttopnn();
return stat;
} else {
signrm();
if (cmd)
execl((char *)s, (char *)s, "-c", cmd, NULL);
else {
fprintf(stderr, (char *)joe_gettext(_("You are at the command shell. Type 'exit' to return\n")));
execl((char *)s, (char *)s, NULL);
}
_exit(0);
return 0;
}
}
/* Create keyboard task */
static void mpxresume(void)
{
int fds[2];
pipe(fds);
acceptch = NO_MORE_DATA;
have = 0;
if (!(kbdpid = fork())) {
close(fds[1]);
do {
unsigned char c;
int sta;
pack.who = 0;
sta = joe_read(fileno(termin), &c, 1);
if (sta == 0)
pack.ch = NO_MORE_DATA;
else
pack.ch = c;
pack.size = 0;
joe_write(mpxsfd, &pack, sizeof(struct packet) - 1024);
} while (joe_read(fds[0], &pack, 1) == 1);
_exit(0);
}
close(fds[0]);
ackkbd = fds[1];
}
void ttopen(void)
{
sigjoe();
ttopnn();
}