diff options
Diffstat (limited to 'hurd/ports-set.c')
-rw-r--r-- | hurd/ports-set.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/hurd/ports-set.c b/hurd/ports-set.c new file mode 100644 index 0000000000..fbc2940217 --- /dev/null +++ b/hurd/ports-set.c @@ -0,0 +1,57 @@ +/* Copyright (C) 1994 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 +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <hurd.h> + +static error_t +setbootstrap (mach_port_t newport) +{ + return __task_set_special_port (__mach_task_self (), + TASK_BOOTSTRAP_PORT, + newport); +} + +extern error_t _hurd_setauth (auth_t); +extern error_t _hurd_setproc (process_t); +extern error_t _hurd_setcttyid (mach_port_t); + +error_t (*_hurd_ports_setters[INIT_PORT_MAX]) (mach_port_t newport) = + { + [INIT_PORT_BOOTSTRAP] = setbootstrap, + [INIT_PORT_AUTH] = _hurd_setauth, + [INIT_PORT_PROC] = _hurd_setproc, + [INIT_PORT_CTTYID] = _hurd_setcttyid, + }; + + +error_t +_hurd_ports_set (int which, mach_port_t newport) +{ + error_t err; + if (which < 0 || which >= _hurd_nports) + return EINVAL; + if (err = __mach_port_mod_refs (__mach_task_self (), newport, + MACH_PORT_RIGHT_SEND, 1)) + return err; + if (which >= INIT_PORT_MAX || _hurd_ports_setters[which] == NULL) + { + _hurd_port_set (&_hurd_ports[which], newport); + return 0; + } + return (*_hurd_ports_setters[which]) (newport); +} |