RETSIGTYPE
sig_tstop(int i) /* SIGTSTP handler */
{
/* move to the lower left */
screen_end();
fflush(stdout);
/* default the signal handler action */
set_signal(SIGTSTP, SIG_DFL);
/* unblock the TSTP signal */
release_signal(SIGTSTP);
/* send ourselves a TSTP to stop the process */
(void) kill(0, SIGTSTP);
/* reset the signal handler */
set_signal(SIGTSTP, sig_tstop);
/* reinit screen */
screen_reinit();
/* jump back to a known place in the main loop */
longjmp(jmp_int, JMP_RESUME);
/* NOTREACHED */
}
enum cmd_retval
cmd_respawn_pane_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct winlink *wl;
struct window *w;
struct window_pane *wp;
struct session *s;
struct environ *env;
const char *path;
char *cause;
u_int idx;
struct environ_entry *envent;
if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
return (CMD_RETURN_ERROR);
w = wl->window;
if (!args_has(self->args, 'k') && wp->fd != -1) {
if (window_pane_index(wp, &idx) != 0)
fatalx("index not found");
cmdq_error(cmdq, "pane still active: %s:%d.%u",
s->name, wl->idx, idx);
return (CMD_RETURN_ERROR);
}
env = environ_create();
environ_copy(global_environ, env);
environ_copy(s->environ, env);
server_fill_environ(s, env);
window_pane_reset_mode(wp);
screen_reinit(&wp->base);
input_init(wp);
path = NULL;
if (cmdq->client != NULL && cmdq->client->session == NULL)
envent = environ_find(cmdq->client->environ, "PATH");
else
envent = environ_find(s->environ, "PATH");
if (envent != NULL)
path = envent->value;
if (window_pane_spawn(wp, args->argc, args->argv, path, NULL, -1, env,
s->tio, &cause) != 0) {
cmdq_error(cmdq, "respawn pane failed: %s", cause);
free(cause);
environ_free(env);
return (CMD_RETURN_ERROR);
}
wp->flags |= PANE_REDRAW;
server_status_window(w);
environ_free(env);
return (CMD_RETURN_NORMAL);
}
/* Create a new screen. */
void
screen_init(struct screen *s, u_int sx, u_int sy, u_int hlimit)
{
s->grid = grid_create(sx, sy, hlimit);
s->title = xstrdup("");
s->cstyle = 0;
s->ccolour = xstrdup("");
s->tabs = NULL;
screen_reinit(s);
}
int
cmd_respawn_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct winlink *wl;
struct window *w;
struct window_pane *wp;
struct session *s;
struct environ env;
const char *cmd;
char *cause;
u_int idx;
if ((wl = cmd_find_pane(ctx, args_get(args, 't'), &s, &wp)) == NULL)
return (-1);
w = wl->window;
if (!args_has(self->args, 'k') && wp->fd != -1) {
if (window_pane_index(wp, &idx) != 0)
fatalx("index not found");
ctx->error(ctx, "pane still active: %s:%u.%u",
s->name, wl->idx, idx);
return (-1);
}
environ_init(&env);
environ_copy(&global_environ, &env);
environ_copy(&s->environ, &env);
server_fill_environ(s, &env);
window_pane_reset_mode(wp);
screen_reinit(&wp->base);
input_init(wp);
if (args->argc != 0)
cmd = args->argv[0];
else
cmd = NULL;
if (window_pane_spawn(wp, cmd, NULL, NULL, &env, s->tio, &cause) != 0) {
ctx->error(ctx, "respawn pane failed: %s", cause);
xfree(cause);
environ_free(&env);
return (-1);
}
wp->flags |= PANE_REDRAW;
server_status_window(w);
environ_free(&env);
return (0);
}
static enum cmd_retval
cmd_respawn_pane_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct winlink *wl = item->target.wl;
struct window *w = wl->window;
struct window_pane *wp = item->target.wp;
struct session *s = item->target.s;
struct environ *env;
const char *path;
char *cause;
u_int idx;
struct environ_entry *envent;
if (!args_has(self->args, 'k') && wp->fd != -1) {
if (window_pane_index(wp, &idx) != 0)
fatalx("index not found");
cmdq_error(item, "pane still active: %s:%d.%u",
s->name, wl->idx, idx);
return (CMD_RETURN_ERROR);
}
window_pane_reset_mode(wp);
screen_reinit(&wp->base);
input_init(wp);
path = NULL;
if (item->client != NULL && item->client->session == NULL)
envent = environ_find(item->client->environ, "PATH");
else
envent = environ_find(s->environ, "PATH");
if (envent != NULL)
path = envent->value;
env = environ_for_session(s, 0);
if (window_pane_spawn(wp, args->argc, args->argv, path, NULL, NULL, env,
s->tio, &cause) != 0) {
cmdq_error(item, "respawn pane failed: %s", cause);
free(cause);
environ_free(env);
return (CMD_RETURN_ERROR);
}
environ_free(env);
wp->flags |= PANE_REDRAW;
server_status_window(w);
return (CMD_RETURN_NORMAL);
}
/* Create a new screen. */
void
screen_init(struct screen *s, u_int sx, u_int sy, u_int hlimit)
{
char hn[MAXHOSTNAMELEN];
s->grid = grid_create(sx, sy, hlimit);
if (gethostname(hn, MAXHOSTNAMELEN) == 0)
s->title = xstrdup(hn);
else
s->title = xstrdup("");
s->tabs = NULL;
screen_reinit(s);
}
/* Create a new screen. */
void
screen_init(struct screen *s, u_int sx, u_int sy, u_int hlimit)
{
char host[HOST_NAME_MAX];
s->grid = grid_create(sx, sy, hlimit);
if (gethostname(host, HOST_NAME_MAX) == 0)
s->title = xstrdup(host);
else
s->title = xstrdup("");
s->cstyle = 0;
s->ccolour = xstrdup("");
s->tabs = NULL;
screen_reinit(s);
}
