diff options
Diffstat (limited to 'sysdeps/mach/hurd/ioctl.c')
| -rw-r--r-- | sysdeps/mach/hurd/ioctl.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sysdeps/mach/hurd/ioctl.c b/sysdeps/mach/hurd/ioctl.c index acc34fa916..24bfbed943 100644 --- a/sysdeps/mach/hurd/ioctl.c +++ b/sysdeps/mach/hurd/ioctl.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -129,8 +129,17 @@ DEFUN(__ioctl, (fd, request), /* Check for a registered handler for REQUEST. */ ioctl_handler_t handler = _hurd_lookup_ioctl_handler (request); if (handler) - /* This handler groks REQUEST. Se lo puntamonos. */ - return (*handler) (fd, request, arg); + { + /* This handler groks REQUEST. Se lo puntamonos. */ + int save = errno; + int result = (*handler) (fd, request, arg); + if (result != -1 || errno != ENOTTY) + return result; + + /* The handler doesn't really grok this one. + Try the normal RPC translation. */ + errno = save; + } } /* Compute the Mach message ID for the RPC from the group and command |