65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* Demux messages sent on the signal port.
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Copyright (C) 1991 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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const struct
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{
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size_t n;
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mach_msg_id_t id[0];
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} _hurd_sigport_ids;
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const struct
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{
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size_t n;
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void (*routine[0]) (mach_msg_header_t *inp, mach_msg_header_t *outp);
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} _hurd_sigport_routines;
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static boolean_t
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_hurd_sigport_demux (mach_msg_header_t *inp,
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mach_msg_header_t *outp)
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{
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size_t i;
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if (_hurd_sigport_ids.n != _hurd_sigport_routines.n)
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__libc_fatal ("LIBRARY BUG: bogus sigport demux table");
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for (i = 0; i < _hurd_sigport_ids.n; ++i)
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if (inp->msgh_id == _hurd_sigport_ids.id[i])
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{
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(*_hurd_sigport_routines.routine[i]) (inp, outp);
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return 1;
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}
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{
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mig_reply_header_t *r = (mig_reply_header_t *) outp;
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r->RetCode = MIG_BAD_ID;
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return 0;
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}
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}
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/* This is the code that the signal thread runs. */
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void
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_hurd_sigport_receive (void)
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{
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while (1)
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(void) __mach_msg_server (_hurd_sigport_demux, __vm_page_size,
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_hurd_sigport);
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}
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