1 /* Host-dependent code for GDB, for NYU Ultra3 running Sym1 OS.
2 Copyright (C) 1988, 1989, 1991, 1992 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
28 #include <sys/types.h>
29 #include <sys/param.h>
31 #include <sys/ioctl.h>
39 /* Assorted operating system circumventions */
43 /* FIXME: Kludge this for now. It really should be system call. */
48 /* FIXME: Fake out the fcntl() call, which we don't have. */
54 case F_GETFL: return(O_RDONLY); break;
56 printf_unfiltered("Ultra3's fcntl() failing, cmd = %d.\n",cmd);
63 * 4.2 Signal support, requires linking with libjobs.
66 #define sigbit(s) (1L << ((s)-1))
70 /* Taken from the sym1 kernel in machdep.c:startup() */
71 _SigMask = sigbit (SIGTSTP) | sigbit (SIGTTOU) | sigbit (SIGTTIN) |
72 sigbit (SIGCHLD) | sigbit (SIGTINT);
78 return (1 << (signo-1));
85 int lastmask = _SigMask;
87 for (i=0 ; i<NSIG ; i++) {
89 if (!(_SigMask & mask)) {
93 } else if (_SigMask & mask) {
103 unsigned int sigmask;
106 int lastmask = _SigMask;
108 for (i=0 ; i<NSIG ; i++) {
109 if ((sigmask & mask) && !(_SigMask & mask)) {
120 /* Initialization code for this module. */
123 _initialize_ultra3 ()