73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <hurd.h>
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#define GET(lock, type, what) \
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type get##what (void) \
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{ \
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return _hurd_getport (&_hurd_##what, &_hurd_##lock); \
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}
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static inline mach_port_t
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get (struct _hurd_port *cell)
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{
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mach_port_t result;
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error_t err = _HURD_PORT_USE (cell,
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__mach_port_mod_refs (__mach_task_self (),
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(result = port),
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MACH_PORT_RIGHT_SEND,
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1));
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if (err)
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{
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errno = err;
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return MACH_PORT_NULL;
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}
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else
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return result;
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}
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#define GET(type, what) \
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type get##what (void) { return get (&what); }
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static inline int
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set (struct _hurd_port *cell, mach_port_t new)
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{
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error_t err;
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if (err = __mach_port_mod_refs (__mach_task_self (), new,
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MACH_PORT_RIGHT_SEND, 1))
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{
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errno = EINVAL;
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return -1;
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}
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_hurd_port_set (cell, new);
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return 0;
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}
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#define SET(type, what) \
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int set##what (type new) { return set (&what, new); }
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#define GETSET(type, what) \
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GET (type, what) SET (type, what)
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GETSET (process_t, proc)
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GETSET (file_t, ccdir)
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GETSET (file_t, cwdir)
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GETSET (file_t, crdir)
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/* setauth is nontrivial; see __setauth.c. */
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GET (auth_t, auth)
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