diff options
Diffstat (limited to 'winsup/cygwin/fhandler.cc')
-rw-r--r-- | winsup/cygwin/fhandler.cc | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc index 9c229933e..0997c9abb 100644 --- a/winsup/cygwin/fhandler.cc +++ b/winsup/cygwin/fhandler.cc @@ -1156,11 +1156,10 @@ DWORD WINAPI flush_async_io (void *arg) { fhandler_base_overlapped *fh = (fhandler_base_overlapped *) arg; - debug_only_printf ("waiting for %s I/O for %s", - (fh->get_access () & GENERIC_WRITE) ? "write" : "read", - fh->get_name ()); - SetEvent (fh->get_overlapped ()->hEvent); /* force has_ongoing_io to block */ - bool res = fh->has_ongoing_io (); + debug_only_printf ("waiting for write I/O for %s", fh->get_name ()); + DWORD nbytes; + bool res = GetOverlappedResult (fh->get_output_handle (), + fh->get_overlapped (), &nbytes, true); debug_printf ("finished waiting for I/O from %s, res %d", fh->get_name (), res); fh->close (); @@ -1210,9 +1209,10 @@ int fhandler_base_overlapped::close () { int res; + int writer = (get_access () & GENERIC_WRITE); /* Need to treat non-blocking I/O specially because Windows appears to be brain-dead */ - if (is_nonblocking () && has_ongoing_io ()) + if (writer && is_nonblocking () && has_ongoing_io ()) { clone (HEAP_3_FHANDLER)->check_later (); res = 0; @@ -1221,7 +1221,8 @@ fhandler_base_overlapped::close () { /* Cancelling seems to be necessary for cases where a reader is still executing when a signal handler performs a close. */ - CancelIo (get_io_handle ()); + if (!writer) + CancelIo (get_io_handle ()); destroy_overlapped (); res = fhandler_base::close (); } |