CHN_F_CLOSING
if ((c->flags & CHN_F_MMAP) && !(c->flags & CHN_F_CLOSING))
if (c->flags & CHN_F_CLOSING)
(c->flags & CHN_F_CLOSING) ? "closing" :
cflag = c->flags & CHN_F_CLOSING;
c->flags |= CHN_F_CLOSING;
c->flags &= ~CHN_F_CLOSING;
c->flags |= CHN_F_CLOSING;
c->flags &= ~CHN_F_CLOSING;
if (!(ch->flags & CHN_F_CLOSING))
if ((ch->flags & CHN_F_MMAP) && !(ch->flags & CHN_F_CLOSING))