diff options
| -rw-r--r-- | winsup/cygwin/select.cc | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/winsup/cygwin/select.cc b/winsup/cygwin/select.cc index 9d3d86d..3594abd 100644 --- a/winsup/cygwin/select.cc +++ b/winsup/cygwin/select.cc @@ -2077,12 +2077,17 @@ check_write: gotone += me->write_ready = true; goto out; } - /* FIXME: With our current implementation of datagram sockets, - we have no send buffer, so we can't adequately test whether a - write would block. We might block waiting for a pipe - connection. */ - if (fh->get_socket_type () == SOCK_STREAM - && fh->connect_state () == connected) + if (fh->get_socket_type () == SOCK_DGRAM) + /* We have no send buffer to check for available space, so + just report ready for write. An attempt to send might + still block waiting for a pipe connection, but that's + allowable in view of the non-atomicity of select/send. */ + { + select_printf ("DGRAM, so ready for write"); + gotone += me->write_ready = true; + goto out; + } + else if (fh->connect_state () == connected) { /* FIXME: I'm not calling pipe_data_available because its test for space available in the buffer doesn't make sense |