diff options
| -rw-r--r-- | winsup/cygwin/fhandler_termios.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/winsup/cygwin/fhandler_termios.cc b/winsup/cygwin/fhandler_termios.cc index 4ce53433a..5b0ba5603 100644 --- a/winsup/cygwin/fhandler_termios.cc +++ b/winsup/cygwin/fhandler_termios.cc @@ -69,6 +69,11 @@ fhandler_termios::tcsetpgrp (const pid_t pgid) set_errno (EPERM); return -1; } + else if (pgid < 0) + { + set_errno (EINVAL); + return -1; + } int res; while (1) { |