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- /* Demux messages sent on the signal port.
-
- Copyright (C) 1991, 1992, 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>
- #include <hurd/signal.h>
- #include <stddef.h>
-
- struct demux
- {
- struct demux *next;
- boolean_t (*demux) (mach_msg_header_t *inp,
- mach_msg_header_t *outp);
- };
-
- struct demux *_hurd_msgport_demuxers = NULL;
-
- extern boolean_t __msg_server (mach_msg_header_t *inp,
- mach_msg_header_t *outp);
-
- static boolean_t
- msgport_server (mach_msg_header_t *inp,
- mach_msg_header_t *outp)
- {
- extern boolean_t _S_msg_server (mach_msg_header_t *inp,
- mach_msg_header_t *outp);
- extern boolean_t _S_exc_server (mach_msg_header_t *inp,
- mach_msg_header_t *outp);
- struct demux *d;
-
- for (d = _hurd_msgport_demuxers; d != NULL; d = d->next)
- if ((*d->demux) (inp, outp))
- return 1;
-
- return (_S_exc_server (inp, outp) ||
- _S_msg_server (inp, outp));
- }
-
- /* This is the code that the signal thread runs. */
- void
- _hurd_msgport_receive (void)
- {
- while (1)
- (void) __mach_msg_server (msgport_server, __vm_page_size, _hurd_msgport);
- }
-