/* Begin new glyph definition. */
static int glyphBeg(abfGlyphCallbacks *cb, abfGlyphInfo *info) {
cfwCtx g = cb->direct_ctx;
cstrCtx h = g->ctx.cstr;
cb->info = info;
if (g->err.code != 0) {
if (g->flags & CFW_CHECK_IF_GLYPHS_DIFFER) {
if (g->err.code & cfwErrGlyphPresent) {
g->err.code = g->err.code & ~cfwErrGlyphPresent;
}
if (g->err.code & cfwErrGlyphDiffers) {
g->err.code = g->err.code & ~cfwErrGlyphDiffers;
}
if (g->err.code != 0) {
return ABF_FAIL_RET; /* Error on last glyph */
}
}
else {
return ABF_FAIL_RET; /* Error on last glyph */
}
}
else if ((info->flags & ABF_GLYPH_SEEN) && (!(g->flags & CFW_CHECK_IF_GLYPHS_DIFFER))) {
return ABF_SKIP_RET; /* Ignore duplicate glyph */
}
else if (!(info->flags & ABF_GLYPH_CID) &&
(info->gname.ptr == NULL || info->gname.ptr[0] == '\0')) {
return ABF_FAIL_RET; /* No glyph name in name-keyed font */
}
/* Initialize */
h->flags = 0;
h->pendop = tx_noop;
h->seqop = tx_noop;
h->x = 0;
h->y = 0;
h->stack.cnt = 0;
h->cstr.cnt = 0;
h->stems.cnt = 0;
h->iCstr = -1;
h->masks.cnt = 0;
h->hints.cnt = 0;
h->cntrs.cnt = 0;
CLEAR_MASK(h->initmask);
CLEAR_MASK(h->hintmask);
CLEAR_MASK(h->cntrmask);
h->glyph.info = info;
return ABF_CONT_RET;
}
static void set_io_status(unsigned int &status, io_status s)
{
switch ( s ) {
case set_wait_read_status:
SET_WAIT_READ(status);
break;
case set_wait_write_status:
SET_WAIT_WRITE(status);
break;
case set_read_status:
SET_READ(status);
break;
case set_write_status:
SET_WRITE(status);
break;
case set_wait_accept_status:
SET_WAIT_ACCEPT(status);
break;
case set_wait_io_status:
SET_WAIT_IO(status);
break;
case set_wait_connect_status:
SET_WAIT_CONNECT(status);
break;
case clear_status:
CLEAR_MASK(status);
break;
default:
break;
}
}
int sock_accept(int fd, struct sockaddr *, socklen_t*)
{
coro_sock *sock = find_sock_by_fd(fd);
sock->op = ACCEPTING;
coro_sock *client = NULL;
uthread_t cur = coro_current_uthread();
set_pending_status(sock, set_wait_accept_status, cur, set_wait_accept_status);
sock->eventqueue->push(cur);
client = sock_accept_inner(sock, NULL, NULL);
// 对于一个accept成功的socket，我们认为他是可以写的
// 因此我们给他增加写入标志
clear_pending_status(client, cur);
CLEAR_MASK(client->status);
SET_WRITE(client->status);
return client->sock;
}
/* Start new hint. */
static void newHint(cstrCtx h) {
if (h->pendop == tx_noop && h->iCstr == h->cstr.cnt) {
/* Consecutive hintsubs; clear mask */
addWarn(h, warn_hint6);
CLEAR_MASK(h->hintmask);
}
else {
if (h->pendop != tx_noop) {
saveop(h, h->pendop); /* Save pending op */
}
if (h->flags & SEEN_HINT) {
saveHint(h);
}
else {
h->flags |= SEEN_HINT;
}
h->iCstr = h->cstr.cnt;
}
}
static void clear_pending_status(coro_sock *sock, uthread_t tid)
{
(void)sock;
CLEAR_MASK(__g_coroutine_ctx->ths[tid]->status);
}