diff options
Diffstat (limited to 'winsup/cygserver/sem.cc')
| -rw-r--r-- | winsup/cygserver/sem.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/winsup/cygserver/sem.cc b/winsup/cygserver/sem.cc index 6a179b0b6..dd48123d2 100644 --- a/winsup/cygserver/sem.cc +++ b/winsup/cygserver/sem.cc @@ -89,6 +89,10 @@ client_request_sem::serve (transport_layer_base *const conn, case SEMOP_semop: res = semop (&td, &_parameters.in.opargs); break; + default: + res = ENOSYS; + td.td_retval[0] = -1; + break; } /* Allocated by the call to adjust_identity_info(). */ if (_parameters.in.ipcblk.gidlist) |