int
tty_read(int16 minor, int16 rawflag)
{
int nread;
nread = 0;
while (nread < udata.u_count) {
for (;;) {
di();
if (remq(&ttyinq, udata.u_base))
break;
psleep(&ttyinq);
/* XXX - messy */
if (udata.u_cursig || udata.u_ptab->p_pending) {
udata.u_error = EINTR;
return (-1);
}
}
ei();
if ((nread++ == 0) && (*udata.u_base == '\004')) /* ^D */
return (0);
if (*udata.u_base == '\n')
break;
++udata.u_base;
}
return (nread);
}
int platform_input_read(uint8_t *slot)
{
uint8_t r, k;
if (remq(&kqueue, &r)) {
remq(&kqueue, &k);
*slot++ = KEYPRESS_CODE | r;
*slot = k;
return 2;
}
ay_reg = 0x0E;
if (ay_js(slot))
return 2;
if (ay_js2(slot))
return 2;
return 0;
}
int tty_read(uint8_t minor, uint8_t rawflag, uint8_t flag)
{
uint16_t nread;
unsigned char c;
struct s_queue *q;
struct termios *t;
rawflag;
flag; // shut up compiler
/* Minor == 0 means that it is the controlling tty of the process */
if (!minor)
minor = udata.u_ptab->p_tty;
if (!udata.u_ptab->p_tty)
udata.u_ptab->p_tty = minor;
q = &ttyinq[minor];
t = &ttydata[minor];
nread = 0;
while (nread < udata.u_count) {
for (;;) {
if (deadflag[minor]) {
udata.u_error = ENXIO;
return -1;
}
if (remq(q, &c)) {
if (udata.u_sysio)
*udata.u_base = c;
else
uputc(c, udata.u_base);
break;
}
if (psleep_flags(q, flag))
return -1;
}
++nread;
/* return according to mode */
if (!(t->c_lflag & ICANON)) {
if (nread >= t->c_cc[VMIN])
break;
} else {
if (nread == 1 && (c == t->c_cc[VEOF])) {
/* ^D */
nread = 0;
break;
}
if (c == '\n')
break;
}
++udata.u_base;
}
wakeup(&q->q_count);
return nread;
}
void rtp_session_remove_contributing_source(RtpSession *session, uint32_t ssrc) {
queue_t *q=&session->contributing_sources;
mblk_t *tmp;
for (tmp=qbegin(q); !qend(q,tmp); tmp=qnext(q,tmp)){
uint32_t csrc=sdes_chunk_get_ssrc(tmp);
if (csrc==ssrc) {
remq(q,tmp);
break;
}
}
tmp=rtcp_create_simple_bye_packet(ssrc, NULL);
rtp_session_rtcp_send(session,tmp);
}
int pty_read(uint8_t minor, uint8_t rawflag, uint8_t flag)
{
struct s_queue q = &ttyinq[minor + PTY_OFFSET + PTY_PAIR];
char c;
while (nread < udata.u_count) {
if (remq(q, &c)) {
if (udata.u_sysio)
*udata.u_base = c;
else
uputc(c, udata.u_base);
udata.u_base++;
nread++;
continue;
}
if (nread == 0 && psleep_flags(q, flag))
return -1;
}
return nread;
}
int tty_read(uint8_t minor, uint8_t rawflag, uint8_t flag)
{
usize_t nread;
unsigned char c;
struct s_queue *q;
struct tty *t;
used(rawflag);
used(flag); /* shut up compiler */
q = &ttyinq[minor];
t = &ttydata[minor];
nread = 0;
while (nread < udata.u_count) {
for (;;) {
if ((t->flag & TTYF_DEAD)&&(!q->q_count)) {
udata.u_error = ENXIO;
return -1;
}
jobcontrol_in(minor, t);
if (remq(q, &c)) {
if (udata.u_sysio)
*udata.u_base = c;
else
uputc(c, udata.u_base);
break;
}
if (!(t->termios.c_lflag & ICANON)) {
uint8_t n = t->termios.c_cc[VTIME];
if (n)
udata.u_ptab->p_timeout = n + 1;
}
if (psleep_flags_io(q, flag, &nread))
return nread;
/* timer expired */
if (udata.u_ptab->p_timeout == 1)
goto out;
}
++nread;
/* return according to mode */
if (!(t->termios.c_lflag & ICANON)) {
if (nread >= t->termios.c_cc[VMIN])
break;
} else {
if (nread == 1 && (c == t->termios.c_cc[VEOF])) {
/* ^D */
nread = 0;
break;
}
if (c == '\n')
break;
}
++udata.u_base;
}
out:
wakeup(&q->q_count);
return nread;
}
