diff options
Diffstat (limited to 'winsup/cygwin/select.cc')
-rw-r--r-- | winsup/cygwin/select.cc | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/winsup/cygwin/select.cc b/winsup/cygwin/select.cc index b50ffb1f2..46f0c6963 100644 --- a/winsup/cygwin/select.cc +++ b/winsup/cygwin/select.cc @@ -1180,39 +1180,44 @@ peek_socket (select_record *me, bool) set_handle_or_return_if_not_open (h, me); select_printf ("considering handle %p", h); - if (me->read_selected) + if (me->read_selected && !me->read_ready) { select_printf ("adding read fd_set %s, fd %d", me->fh->get_name (), me->fd); WINSOCK_FD_SET (h, &ws_readfds); } - if (me->write_selected) + if (me->write_selected && !me->write_ready) { select_printf ("adding write fd_set %s, fd %d", me->fh->get_name (), me->fd); WINSOCK_FD_SET (h, &ws_writefds); } - if (me->except_selected) + if (me->except_selected && !me->except_ready) { select_printf ("adding except fd_set %s, fd %d", me->fh->get_name (), me->fd); WINSOCK_FD_SET (h, &ws_exceptfds); } - int r = WINSOCK_SELECT (0, &ws_readfds, &ws_writefds, &ws_exceptfds, &tv); - select_printf ("WINSOCK_SELECT returned %d", r); - if (r == -1) + int r; + if ((me->read_selected && !me->read_ready) + || (me->write_selected && !me->write_ready) + || (me->except_selected && !me->except_ready)) { - select_printf ("error %d", WSAGetLastError ()); - set_winsock_errno (); - return 0; + r = WINSOCK_SELECT (0, &ws_readfds, &ws_writefds, &ws_exceptfds, &tv); + select_printf ("WINSOCK_SELECT returned %d", r); + if (r == -1) + { + select_printf ("error %d", WSAGetLastError ()); + set_winsock_errno (); + return 0; + } + if (WINSOCK_FD_ISSET (h, &ws_readfds) || (me->read_selected && me->read_ready)) + me->read_ready = true; + if (WINSOCK_FD_ISSET (h, &ws_writefds) || (me->write_selected && me->write_ready)) + me->write_ready = true; + if (WINSOCK_FD_ISSET (h, &ws_exceptfds) || (me->except_selected && me->except_ready)) + me->except_ready = true; } - - if (WINSOCK_FD_ISSET (h, &ws_readfds) || (me->read_selected && me->read_ready)) - me->read_ready = true; - if (WINSOCK_FD_ISSET (h, &ws_writefds) || (me->write_selected && me->write_ready)) - me->write_ready = true; - if (WINSOCK_FD_ISSET (h, &ws_exceptfds) || (me->except_selected && me->except_ready)) - me->except_ready = true; return me->read_ready || me->write_ready || me->except_ready; } @@ -1280,17 +1285,17 @@ start_thread_socket (select_record *me, select_stuff *stuff) { HANDLE h = s->fh->get_handle (); select_printf ("Handle %p", h); - if (s->read_selected) + if (s->read_selected && !s->read_ready) { WINSOCK_FD_SET (h, &si->readfds); select_printf ("Added to readfds"); } - if (s->write_selected) + if (s->write_selected && !s->write_ready) { WINSOCK_FD_SET (h, &si->writefds); select_printf ("Added to writefds"); } - if (s->except_selected) + if (s->except_selected && !s->except_ready) { WINSOCK_FD_SET (h, &si->exceptfds); select_printf ("Added to exceptfds"); @@ -1410,7 +1415,7 @@ fhandler_socket::select_write (select_record *s) s->cleanup = socket_cleanup; } s->peek = peek_socket; - s->write_ready = saw_shutdown_write (); + s->write_ready = saw_shutdown_write () || !is_connected (); s->write_selected = true; return s; } |