int
sys_thr_kill(struct thread *td, struct thr_kill_args *uap)
/* long id, int sig */
{
ksiginfo_t ksi;
struct thread *ttd;
struct proc *p;
int error;
p = td->td_proc;
ksiginfo_init(&ksi);
ksi.ksi_signo = uap->sig;
ksi.ksi_code = SI_LWP;
ksi.ksi_pid = p->p_pid;
ksi.ksi_uid = td->td_ucred->cr_ruid;
if (uap->id == -1) {
if (uap->sig != 0 && !_SIG_VALID(uap->sig)) {
error = EINVAL;
} else {
error = ESRCH;
PROC_LOCK(p);
FOREACH_THREAD_IN_PROC(p, ttd) {
if (ttd != td) {
error = 0;
if (uap->sig == 0)
break;
tdksignal(ttd, uap->sig, &ksi);
}
}
PROC_UNLOCK(p);
}
} else {
static void
fasttrap_sigsegv(proc_t *p, kthread_t *t, uintptr_t addr)
{
#if defined(sun)
sigqueue_t *sqp = kmem_zalloc(sizeof (sigqueue_t), KM_SLEEP);
sqp->sq_info.si_signo = SIGSEGV;
sqp->sq_info.si_code = SEGV_MAPERR;
sqp->sq_info.si_addr = (caddr_t)addr;
mutex_enter(&p->p_lock);
sigaddqa(p, t, sqp);
mutex_exit(&p->p_lock);
if (t != NULL)
aston(t);
#else
ksiginfo_t *ksi = kmem_zalloc(sizeof (ksiginfo_t), KM_SLEEP);
ksiginfo_init(ksi);
ksi->ksi_signo = SIGSEGV;
ksi->ksi_code = SEGV_MAPERR;
ksi->ksi_addr = (caddr_t)addr;
(void) tdksignal(t, SIGSEGV, ksi);
#endif
}
int
sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize,
int fontsize, int fontwidth)
{
#ifndef SC_PIXEL_MODE
return ENODEV;
#else
video_info_t info;
ksiginfo_t ksi;
u_char *font;
int prev_ysize;
int error;
int s;
if (vidd_get_info(scp->sc->adp, scp->mode, &info))
return ENODEV; /* this shouldn't happen */
/* adjust argument values */
if (fontsize <= 0)
fontsize = info.vi_cheight;
if (fontsize < 14)
fontsize = 8;
else if (fontsize >= 16)
fontsize = 16;
else
fontsize = 14;
#ifndef SC_NO_FONT_LOADING
switch (fontsize) {
case 8:
if ((scp->sc->fonts_loaded & FONT_8) == 0)
return (EINVAL);
font = scp->sc->font_8;
break;
case 14:
if ((scp->sc->fonts_loaded & FONT_14) == 0)
return (EINVAL);
font = scp->sc->font_14;
break;
case 16:
if ((scp->sc->fonts_loaded & FONT_16) == 0)
return (EINVAL);
font = scp->sc->font_16;
break;
}
#else
font = NULL;
#endif
if (xsize <= 0)
xsize = info.vi_width/8;
if (ysize <= 0)
ysize = info.vi_height/fontsize;
if ((info.vi_width < xsize*8) || (info.vi_height < ysize*fontsize))
return EINVAL;
if (!sc_support_pixel_mode(&info))
return ENODEV;
/* stop screen saver, etc */
s = spltty();
if ((error = sc_clean_up(scp))) {
splx(s);
return error;
}
if (sc_render_match(scp, scp->sc->adp->va_name, PIXEL_MODE) == NULL) {
splx(s);
return ENODEV;
}
#if 0
if (scp->tsw)
(*scp->tsw->te_term)(scp, scp->ts);
scp->tsw = NULL;
scp->ts = NULL;
#endif
/* set up scp */
#ifndef SC_NO_HISTORY
if (scp->history != NULL)
sc_hist_save(scp);
#endif
prev_ysize = scp->ysize;
scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN);
scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE);
scp->xsize = xsize;
scp->ysize = ysize;
scp->xoff = (scp->xpixel/8 - xsize)/2;
scp->yoff = (scp->ypixel/fontsize - ysize)/2;
scp->font = font;
scp->font_size = fontsize;
scp->font_width = fontwidth;
/* allocate buffers */
sc_alloc_scr_buffer(scp, TRUE, TRUE);
sc_init_emulator(scp, NULL);
#ifndef SC_NO_CUTPASTE
sc_alloc_cut_buffer(scp, FALSE);
#endif
#ifndef SC_NO_HISTORY
sc_alloc_history_buffer(scp, 0, prev_ysize, FALSE);
#endif
splx(s);
if (scp == scp->sc->cur_scp) {
sc_set_border(scp, scp->border);
sc_set_cursor_image(scp);
}
scp->status &= ~UNKNOWN_MODE;
if (tp == NULL)
return 0;
if (tp->t_winsize.ws_col != scp->xsize
|| tp->t_winsize.ws_row != scp->ysize) {
tp->t_winsize.ws_col = scp->xsize;
tp->t_winsize.ws_row = scp->ysize;
if (tp->t_pgrp != NULL) {
ksiginfo_init(&ksi);
ksi.ksi_signo = SIGWINCH;
ksi.ksi_code = SI_KERNEL;
PGRP_LOCK(tp->t_pgrp);
pgsignal(tp->t_pgrp, SIGWINCH, 1, &ksi);
PGRP_UNLOCK(tp->t_pgrp);
}
}
return 0;
#endif /* SC_PIXEL_MODE */
}
