Exemple #1
0
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 {
Exemple #2
0
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
}
Exemple #3
0
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 */
}