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., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
29 #include <sys/types.h>
30 #include <sys/param.h>
32 #include <sys/ioctl.h>
40 /* Assorted operating system circumventions */
44 /* FIXME: Kludge this for now. It really should be system call. */
51 /* FIXME: Fake out the fcntl() call, which we don't have. */
62 printf_unfiltered ("Ultra3's fcntl() failing, cmd = %d.\n", cmd);
69 * 4.2 Signal support, requires linking with libjobs.
72 #define sigbit(s) (1L << ((s)-1))
76 /* Taken from the sym1 kernel in machdep.c:startup() */
77 _SigMask = sigbit (SIGTSTP) | sigbit (SIGTTOU) | sigbit (SIGTTIN) |
78 sigbit (SIGCHLD) | sigbit (SIGTINT);
84 return (1 << (signo - 1));
91 int lastmask = _SigMask;
93 for (i = 0; i < NSIG; i++)
97 if (!(_SigMask & mask))
103 else if (_SigMask & mask)
114 unsigned int sigmask;
117 int lastmask = _SigMask;
119 for (i = 0; i < NSIG; i++)
121 if ((sigmask & mask) && !(_SigMask & mask))
133 /* Initialization code for this module. */
136 _initialize_ultra3 ()