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956d3333ca
----------------------------- The compatibility code and/or emulators have been updated: iBCS2 now mostly uses the older syscalls. SVR4 now properly handles all signals. This has been achieved by using the new sigset_t throughout the emulator. The Linuxulator has been severely updated. Internally the new Linux sigset_t is made the default. These are then mapped to and from the new FreeBSD sigset_t. Also, rt_sigsuspend has been implemented in the Linuxulator. Implementing this syscall basicly caused all this sigset_t changing in the first place and the syscall has been used throughout the change as a means for testing. It basicly is too much work to undo the implementation so that it can later be added again. A special note on the use of sv_sigtbl and sv_sigsize in struct sysentvec: Every signal larger than sv_sigsize is not translated and is passed on to the signal handler unmodified. Signals in the range 1 upto and including sv_sigsize are translated. The rationale is that only the system defined signals need to be translated. The emulators also have been updated so that the translation tables are only indexed for valid (system defined) signals. This change also fixes the translation bug already in the SVR4 emulator.
109 lines
3.4 KiB
C
109 lines
3.4 KiB
C
/* $NetBSD: ibcs2_signal.h,v 1.7 1995/08/14 02:26:01 mycroft Exp $ */
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/*
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* Copyright (c) 1994, 1995 Scott Bartram
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Scott Bartram.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _IBCS2_SIGNAL_H
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#define _IBCS2_SIGNAL_H
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#define IBCS2_SIGHUP 1
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#define IBCS2_SIGINT 2
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#define IBCS2_SIGQUIT 3
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#define IBCS2_SIGILL 4
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#define IBCS2_SIGTRAP 5
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#define IBCS2_SIGIOT 6
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#define IBCS2_SIGABRT 6
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#define IBCS2_SIGEMT 7
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#define IBCS2_SIGFPE 8
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#define IBCS2_SIGKILL 9
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#define IBCS2_SIGBUS 10
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#define IBCS2_SIGSEGV 11
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#define IBCS2_SIGSYS 12
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#define IBCS2_SIGPIPE 13
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#define IBCS2_SIGALRM 14
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#define IBCS2_SIGTERM 15
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#define IBCS2_SIGUSR1 16
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#define IBCS2_SIGUSR2 17
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#define IBCS2_SIGCLD 18
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#define IBCS2_SIGPWR 19
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#define IBCS2_SIGWINCH 20
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#define IBCS2_SIGPOLL 22
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#define IBCS2_NSIG 32
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#define IBCS2_SIGTBLSZ 32
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/*
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* SCO-specific
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*/
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#define IBCS2_SIGSTOP 23
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#define IBCS2_SIGTSTP 24
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#define IBCS2_SIGCONT 25
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#define IBCS2_SIGTTIN 26
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#define IBCS2_SIGTTOU 27
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#define IBCS2_SIGVTALRM 28
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#define IBCS2_SIGPROF 29
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#define IBCS2_SIGNO_MASK 0x00FF
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#define IBCS2_SIGNAL_MASK 0x0000
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#define IBCS2_SIGSET_MASK 0x0100
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#define IBCS2_SIGHOLD_MASK 0x0200
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#define IBCS2_SIGRELSE_MASK 0x0400
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#define IBCS2_SIGIGNORE_MASK 0x0800
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#define IBCS2_SIGPAUSE_MASK 0x1000
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#define IBCS2_SIGNO(x) ((x) & IBCS2_SIGNO_MASK)
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#define IBCS2_SIGCALL(x) ((x) & ~IBCS2_SIGNO_MASK)
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typedef long ibcs2_sigset_t;
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typedef void (*ibcs2_sig_t) __P((int));
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struct ibcs2_sigaction {
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ibcs2_sig_t isa_handler;
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ibcs2_sigset_t isa_mask;
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int isa_flags;
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};
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#define IBCS2_SIG_DFL ((ibcs2_sig_t)0)
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#define IBCS2_SIG_ERR ((ibcs2_sig_t)-1)
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#define IBCS2_SIG_IGN ((ibcs2_sig_t)1)
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#define IBCS2_SIG_HOLD ((ibcs2_sig_t)2)
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#define IBCS2_SIG_SETMASK 0
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#define IBCS2_SIG_BLOCK 1
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#define IBCS2_SIG_UNBLOCK 2
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/* sa_flags */
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#define IBCS2_SA_NOCLDSTOP 1
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extern int bsd_to_ibcs2_sig[];
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#endif /* _IBCS2_SIGNAL_H */
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