diff options
| author | Christopher Faylor <me@cgf.cx> | 2000-12-20 08:57:59 +0300 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2000-12-20 08:57:59 +0300 |
| commit | 2bfdcd8a5f94fd126997796f61b56a09a96820e6 (patch) | |
| tree | 4d365c16f8934a361b388ad3c32f16dba73f9c0e /winsup/cygwin/fhandler_serial.cc | |
| parent | b92b863bbf9331a2b069d8fcc96686b8da3bf2eb (diff) | |
* fhandler_serial.cc (fhandler_serial::raw_read): Always find number of bytes
ready to be read whether overlapped_armed or not.
Diffstat (limited to 'winsup/cygwin/fhandler_serial.cc')
| -rw-r--r-- | winsup/cygwin/fhandler_serial.cc | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/winsup/cygwin/fhandler_serial.cc b/winsup/cygwin/fhandler_serial.cc index c1e472bdf..838da6b9d 100644 --- a/winsup/cygwin/fhandler_serial.cc +++ b/winsup/cygwin/fhandler_serial.cc @@ -79,15 +79,16 @@ fhandler_serial::raw_read (void *ptr, size_t ulen) // if vmin > ulen then things won't work right. overlapped_armed = -1; } - if (!overlapped_armed) + + if (!ClearCommError (get_handle (), &ev, &st)) + goto err; + else if (ev) + termios_printf ("error detected %x", ev); + else if (st.cbInQue) + inq = st.cbInQue; + else if (!overlapped_armed) { - if (!ClearCommError (get_handle (), &ev, &st)) - goto err; - else if (ev) - termios_printf ("error detected %x", ev); - else if (st.cbInQue) - inq = st.cbInQue; - else if ((size_t)tot >= minchars) + if ((size_t)tot >= minchars) break; else if (WaitCommEvent (get_handle (), &ev, &io_status)) { |