a7cdf998ec
Async I/O OS specifities should now handled in OS specific code. Linux
has been done, but other emulation should be handled. See case LINUX_F_SETFL
in sys/compat/linux/common/linux_file.c:linux_sys_fcntl() for more details.
The data that has been collected yet:
Net Free Open Linux SunOS AIX OSF1 Darwin
send SIGIO to write end of pipe Y N N N N N Y Y
send SIGIO to read end of pipe Y Y N N N ? Y ?
send SIGIO to write end of socket Y Y Y N N Y Y Y
send SIGIO to read end of socket Y Y Y Y Y ? Y ?
109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
/* $NetBSD: ibcs2_exec.c,v 1.46 2001/06/16 21:44:28 manu Exp $ */
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/*
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* Copyright (c) 1994, 1995, 1998 Scott Bartram
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* Copyright (c) 1994 Adam Glass
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* Copyright (c) 1993, 1994 Christopher G. Demetriou
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* All rights reserved.
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*
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* originally from kern/exec_ecoff.c
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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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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <sys/malloc.h>
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#include <sys/namei.h>
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#include <sys/vnode.h>
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#include <sys/mount.h>
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#include <sys/exec.h>
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#include <machine/ibcs2_machdep.h>
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#include <compat/ibcs2/ibcs2_types.h>
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#include <compat/ibcs2/ibcs2_exec.h>
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#include <compat/ibcs2/ibcs2_errno.h>
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#include <compat/ibcs2/ibcs2_syscall.h>
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static void ibcs2_e_proc_exec __P((struct proc *, struct exec_package *));
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extern struct sysent ibcs2_sysent[];
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extern const char * const ibcs2_syscallnames[];
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extern char ibcs2_sigcode[], ibcs2_esigcode[];
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#ifndef __HAVE_SYSCALL_INTERN
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void syscall __P((void));
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#endif
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#ifdef IBCS2_DEBUG
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int ibcs2_debug = 1;
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#else
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int ibcs2_debug = 0;
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#endif
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const struct emul emul_ibcs2 = {
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"ibcs2",
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"/emul/ibcs2",
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#ifndef __HAVE_MINIMAL_EMUL
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0,
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native_to_ibcs2_errno,
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IBCS2_SYS_syscall,
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IBCS2_SYS_MAXSYSCALL,
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#endif
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ibcs2_sysent,
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ibcs2_syscallnames,
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ibcs2_sendsig,
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ibcs2_sigcode,
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ibcs2_esigcode,
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ibcs2_e_proc_exec,
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NULL,
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NULL,
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#ifdef __HAVE_SYSCALL_INTERN
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ibcs2_syscall_intern,
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#else
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syscall,
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#endif
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#
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};
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/*
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* This is exec process hook. Find out if this is x.out executable, if
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* yes, set flag appropriately, so that emul code which needs to adjust
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* behaviour accordingly can do so.
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*/
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static void
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ibcs2_e_proc_exec(p, epp)
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struct proc *p;
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struct exec_package *epp;
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{
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if (epp->ep_es->es_check == exec_ibcs2_xout_makecmds)
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p->p_emuldata = IBCS2_EXEC_XENIX;
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else
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p->p_emuldata = IBCS2_EXEC_OTHER;
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}
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