integrated a copy of svr4_waitsys(), which should be merged later.
This has not been fully tested, but it makes IRIX's /bin/sh able to survive running an external command such as ls.
This commit is contained in:
manu
parent
996d5c6c26
commit
945d746288
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@ -1,11 +1,11 @@
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/* $NetBSD: irix_signal.c,v 1.2 2001/12/25 19:04:18 manu Exp $ */
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/* $NetBSD: irix_signal.c,v 1.3 2001/12/26 11:04:20 manu Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* Copyright (c) 1994, 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Emmanuel Dreyfus.
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* by Christos Zoulas and Emmanuel Dreyfus.
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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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@ -37,18 +37,24 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: irix_signal.c,v 1.2 2001/12/25 19:04:18 manu Exp $");
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__KERNEL_RCSID(0, "$NetBSD: irix_signal.c,v 1.3 2001/12/26 11:04:20 manu Exp $");
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#include <sys/types.h>
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#include <sys/signal.h>
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/pool.h>
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#include <sys/ptrace.h>
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#include <sys/proc.h>
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#include <sys/resourcevar.h>
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#include <sys/systm.h>
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#include <sys/vnode.h>
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#include <sys/wait.h>
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#include <machine/regnum.h>
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#include <compat/svr4/svr4_types.h>
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#include <compat/svr4/svr4_wait.h>
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#include <compat/irix/irix_signal.h>
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#include <compat/irix/irix_syscallargs.h>
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@ -56,12 +62,70 @@ __KERNEL_RCSID(0, "$NetBSD: irix_signal.c,v 1.2 2001/12/25 19:04:18 manu Exp $")
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extern const int native_to_svr4_sig[];
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extern const int svr4_to_native_sig[];
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static int irix_setinfo __P((struct proc *, int, irix_irix5_siginfo_t *));
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#define irix_sigmask(n) (1 << (((n) - 1) & 31))
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#define irix_sigword(n) (((n) - 1) >> 5)
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#define irix_sigemptyset(s) memset((s), 0, sizeof(*(s)))
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#define irix_sigismember(s, n) ((s)->bits[irix_sigword(n)] & irix_sigmask(n))
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#define irix_sigaddset(s, n) ((s)->bits[irix_sigword(n)] |= irix_sigmask(n))
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/*
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* This is ripped from svr4_setinfo. See irix_sys_waitsys...
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*/
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int
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irix_setinfo(p, st, s)
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struct proc *p;
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int st;
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irix_irix5_siginfo_t *s;
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{
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irix_irix5_siginfo_t i;
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int sig;
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memset(&i, 0, sizeof(i));
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i.isi_signo = SVR4_SIGCHLD;
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i.isi_errno = 0; /* XXX? */
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if (p) {
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i.isi_pid = p->p_pid;
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if (p->p_stat == SZOMB) {
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i.isi_stime = p->p_ru->ru_stime.tv_sec;
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i.isi_utime = p->p_ru->ru_utime.tv_sec;
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}
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else {
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i.isi_stime = p->p_stats->p_ru.ru_stime.tv_sec;
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i.isi_utime = p->p_stats->p_ru.ru_utime.tv_sec;
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}
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}
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if (WIFEXITED(st)) {
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i.isi_status = WEXITSTATUS(st);
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i.isi_code = SVR4_CLD_EXITED;
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} else if (WIFSTOPPED(st)) {
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sig = WSTOPSIG(st);
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if (sig >= 0 && sig < NSIG)
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i.isi_status = native_to_svr4_sig[sig];
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if (i.isi_status == SVR4_SIGCONT)
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i.isi_code = SVR4_CLD_CONTINUED;
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else
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i.isi_code = SVR4_CLD_STOPPED;
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} else {
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sig = WTERMSIG(st);
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if (sig >= 0 && sig < NSIG)
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i.isi_status = native_to_svr4_sig[sig];
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if (WCOREDUMP(st))
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i.isi_code = SVR4_CLD_DUMPED;
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else
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i.isi_code = SVR4_CLD_KILLED;
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}
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return copyout(&i, s, sizeof(i));
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}
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void
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native_to_irix_sigset(bss, sss)
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const sigset_t *bss;
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out:
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return error;
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}
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/*
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* The following code is from svr4_sys_waitsys(), with a few lines added
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* for supporting the rusage argument which is present in the IRIX version
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* and not in the SVR4 version.
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* Both version could be merged by creating a svr4_sys_waitsys1() with the
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* rusage argument, and by calling it with NULL from svr4_sys_waitsys().
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* irix_setinfo is here because 1) svr4_setinfo is static and cannot be
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* used here and 2) because struct irix_irix5_siginfo is quite different
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* from svr4_siginfo. In order to merge, we need to include irix_signal.h
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* from svr4_misc.c, or push the irix_irix5_siginfo into svr4_siginfo.h
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*/
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int
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irix_sys_waitsys(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct irix_sys_waitsys_args /* {
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syscallarg(int) type;
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syscallarg(int) pid;
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syscallarg(struct irix_irix5_siginfo *) info;
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syscallarg(int) options;
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syscallarg(struct rusage *) ru;
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} */ *uap = v;
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int nfound, error, s;
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struct proc *q, *t;
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switch (SCARG(uap, type)) {
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case SVR4_P_PID:
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break;
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case SVR4_P_PGID:
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SCARG(uap, pid) = -p->p_pgid;
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break;
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case SVR4_P_ALL:
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SCARG(uap, pid) = WAIT_ANY;
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break;
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default:
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return EINVAL;
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}
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#ifdef DEBUG_IRIX
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printf("waitsys(%d, %d, %p, %x)\n",
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SCARG(uap, type), SCARG(uap, pid),
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SCARG(uap, info), SCARG(uap, options));
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#endif
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loop:
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nfound = 0;
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for (q = p->p_children.lh_first; q != 0; q = q->p_sibling.le_next) {
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if (SCARG(uap, pid) != WAIT_ANY &&
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q->p_pid != SCARG(uap, pid) &&
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q->p_pgid != -SCARG(uap, pid)) {
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#ifdef DEBUG_IRIX
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printf("pid %d pgid %d != %d\n", q->p_pid,
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q->p_pgid, SCARG(uap, pid));
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#endif
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continue;
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}
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nfound++;
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if (q->p_stat == SZOMB &&
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((SCARG(uap, options) & (SVR4_WEXITED|SVR4_WTRAPPED)))) {
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*retval = 0;
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#ifdef DEBUG_IRIX
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printf("found %d\n", q->p_pid);
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#endif
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if ((error = irix_setinfo(q, q->p_xstat,
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SCARG(uap, info))) != 0)
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return error;
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if ((SCARG(uap, options) & SVR4_WNOWAIT)) {
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#ifdef DEBUG_IRIX
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printf(("Don't wait\n"));
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#endif
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return 0;
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}
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if (SCARG(uap, ru) &&
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(error = copyout((caddr_t)p->p_ru,
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(caddr_t)SCARG(uap, ru),
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sizeof(struct rusage))))
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return (error);
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/*
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* If we got the child via ptrace(2) or procfs, and
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* the parent is different (meaning the process was
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* attached, rather than run as a child), then we need
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* to give it back to the old parent, and send the
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* parent a SIGCHLD. The rest of the cleanup will be
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* done when the old parent waits on the child.
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*/
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if ((q->p_flag & P_TRACED) &&
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q->p_oppid != q->p_pptr->p_pid) {
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t = pfind(q->p_oppid);
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proc_reparent(q, t ? t : initproc);
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q->p_oppid = 0;
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q->p_flag &= ~(P_TRACED|P_WAITED|P_FSTRACE);
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psignal(q->p_pptr, SIGCHLD);
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wakeup((caddr_t)q->p_pptr);
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return (0);
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}
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q->p_xstat = 0;
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ruadd(&p->p_stats->p_cru, q->p_ru);
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pool_put(&rusage_pool, q->p_ru);
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/*
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* Finally finished with old proc entry.
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* Unlink it from its process group and free it.
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*/
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leavepgrp(q);
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s = proclist_lock_write();
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LIST_REMOVE(q, p_list); /* off zombproc */
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proclist_unlock_write(s);
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LIST_REMOVE(q, p_sibling);
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/*
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* Decrement the count of procs running with this uid.
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*/
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(void)chgproccnt(q->p_cred->p_ruid, -1);
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/*
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* Free up credentials.
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*/
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if (--q->p_cred->p_refcnt == 0) {
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crfree(q->p_cred->pc_ucred);
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pool_put(&pcred_pool, q->p_cred);
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}
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/*
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* Release reference to text vnode
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*/
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if (q->p_textvp)
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vrele(q->p_textvp);
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pool_put(&proc_pool, q);
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nprocs--;
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return 0;
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}
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if (q->p_stat == SSTOP && (q->p_flag & P_WAITED) == 0 &&
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(q->p_flag & P_TRACED ||
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(SCARG(uap, options) & (SVR4_WSTOPPED|SVR4_WCONTINUED)))) {
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#ifdef DEBUG_IRIX
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printf("jobcontrol %d\n", q->p_pid);
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#endif
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if (((SCARG(uap, options) & SVR4_WNOWAIT)) == 0)
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q->p_flag |= P_WAITED;
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*retval = 0;
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return irix_setinfo(q, W_STOPCODE(q->p_xstat),
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SCARG(uap, info));
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}
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}
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if (nfound == 0)
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return ECHILD;
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if (SCARG(uap, options) & SVR4_WNOHANG) {
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*retval = 0;
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if ((error = irix_setinfo(NULL, 0, SCARG(uap, info))) != 0)
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return error;
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return 0;
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}
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if ((error = tsleep((caddr_t)p, PWAIT | PCATCH, "svr4_wait", 0)) != 0)
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return error;
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goto loop;
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: irix_signal.h,v 1.2 2001/12/25 19:04:18 manu Exp $ */
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/* $NetBSD: irix_signal.h,v 1.3 2001/12/26 11:04:20 manu Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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@ -108,10 +108,60 @@ typedef struct irix_ucontext {
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int iuc_triggersave;
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} irix_ucontext_t;
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/* From IRIX's <sys/siginfo.h> */
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#define IRIX_SI_MAXSZ 128
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#define IRIX_SI_PAD ((IRIX_SI_MAXSZ / sizeof(__int32_t)) - 3)
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/* From IRIX's <sys/ksignal.h> */
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typedef union irix_irix5_sigval {
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irix_app32_int_t sigbval_int;
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irix_app32_ptr_t sival_ptr;
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} irix_irix5_sigval_t;
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typedef struct irix_irix5_siginfo {
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irix_app32_int_t isi_signo;
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irix_app32_int_t isi_code;
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irix_app32_int_t isi_errno;
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union {
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irix_app32_int_t si_pad[IRIX_SI_PAD];
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struct {
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irix_irix5_pid_t __pid;
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union {
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struct {
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irix_irix5_uid_t __uid;
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} __kill;
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struct {
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irix_irix5_clock_t __utime;
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irix_app32_int_t __status;
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irix_irix5_clock_t __stime;
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irix_app32_int_t __swap;
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} __cld;
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} __pdata;
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} __proc;
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struct {
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irix_app32_ptr_t __addr;
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} __fault;
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struct {
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irix_app32_int_t __fd;
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irix_app32_long_t __band;
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||||
} __file;
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||||
union irix_irix5_sigval __value;
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} __data;
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} irix_irix5_siginfo_t;
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#define isi_pid __data.__proc.__pid
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#define isi_stime __data.__proc.__pdata.__cld.__stime
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#define isi_utime __data.__proc.__pdata.__cld.__utime
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||||
#define isi_status __data.__proc.__pdata.__cld.__status
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#define isi_addr __data.__fault.__addr;
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#define isi_trap
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#ifdef _KERNEL
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__BEGIN_DECLS
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void native_to_irix_sigset __P((const sigset_t *, irix_sigset_t *));
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void irix_to_native_sigset __P((const irix_sigset_t *, sigset_t *));
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void irix_sendsig __P((sig_t, int, sigset_t *, u_long));
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__END_DECLS
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#endif /* _KERNEL */
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||||
|
|
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|||
|
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@ -1,10 +1,10 @@
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|||
/* $NetBSD: irix_syscall.h,v 1.16 2001/12/25 21:32:30 manu Exp $ */
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/* $NetBSD: irix_syscall.h,v 1.17 2001/12/26 11:04:20 manu Exp $ */
|
||||
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||||
/*
|
||||
* System call numbers.
|
||||
*
|
||||
* DO NOT EDIT-- this file is automatically generated.
|
||||
* created from NetBSD: syscalls.master,v 1.14 2001/12/25 19:04:19 manu Exp
|
||||
* created from NetBSD: syscalls.master,v 1.15 2001/12/25 21:32:31 manu Exp
|
||||
*/
|
||||
|
||||
/* syscall: "syscall" ret: "int" args: */
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||||
|
|
@ -266,6 +266,9 @@
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/* syscall: "setcontext" ret: "int" args: "const irix_ucontext_t *" */
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#define IRIX_SYS_setcontext 169
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/* syscall: "waitsys" ret: "int" args: "int" "int" "struct irix_irix5_siginfo *" "int" "struct rusage *" */
|
||||
#define IRIX_SYS_waitsys 170
|
||||
|
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/* syscall: "readv" ret: "ssize_t" args: "int" "const struct iovec *" "int" */
|
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#define IRIX_SYS_readv 181
|
||||
|
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|
|
|
|||
|
|
@ -1,10 +1,10 @@
|
|||
/* $NetBSD: irix_syscallargs.h,v 1.16 2001/12/25 21:32:30 manu Exp $ */
|
||||
/* $NetBSD: irix_syscallargs.h,v 1.17 2001/12/26 11:04:20 manu Exp $ */
|
||||
|
||||
/*
|
||||
* System call argument lists.
|
||||
*
|
||||
* DO NOT EDIT-- this file is automatically generated.
|
||||
* created from NetBSD: syscalls.master,v 1.14 2001/12/25 19:04:19 manu Exp
|
||||
* created from NetBSD: syscalls.master,v 1.15 2001/12/25 21:32:31 manu Exp
|
||||
*/
|
||||
|
||||
#ifndef _IRIX_SYS__SYSCALLARGS_H_
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|
|
@ -260,6 +260,14 @@ struct irix_sys_setcontext_args {
|
|||
syscallarg(const irix_ucontext_t *) ucp;
|
||||
};
|
||||
|
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struct irix_sys_waitsys_args {
|
||||
syscallarg(int) type;
|
||||
syscallarg(int) pid;
|
||||
syscallarg(struct irix_irix5_siginfo *) info;
|
||||
syscallarg(int) options;
|
||||
syscallarg(struct rusage *) ru;
|
||||
};
|
||||
|
||||
struct irix_sys_getmountid_args {
|
||||
syscallarg(const char *) path;
|
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syscallarg(irix_mountid_t *) buf;
|
||||
|
|
@ -367,6 +375,7 @@ int svr4_sys_sigprocmask(struct proc *, void *, register_t *);
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|||
int svr4_sys_sigsuspend(struct proc *, void *, register_t *);
|
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int irix_sys_getcontext(struct proc *, void *, register_t *);
|
||||
int irix_sys_setcontext(struct proc *, void *, register_t *);
|
||||
int irix_sys_waitsys(struct proc *, void *, register_t *);
|
||||
int sys_readv(struct proc *, void *, register_t *);
|
||||
int sys_writev(struct proc *, void *, register_t *);
|
||||
int irix_sys_getmountid(struct proc *, void *, register_t *);
|
||||
|
|
|
|||
|
|
@ -1,14 +1,14 @@
|
|||
/* $NetBSD: irix_syscalls.c,v 1.16 2001/12/25 21:32:30 manu Exp $ */
|
||||
/* $NetBSD: irix_syscalls.c,v 1.17 2001/12/26 11:04:20 manu Exp $ */
|
||||
|
||||
/*
|
||||
* System call names.
|
||||
*
|
||||
* DO NOT EDIT-- this file is automatically generated.
|
||||
* created from NetBSD: syscalls.master,v 1.14 2001/12/25 19:04:19 manu Exp
|
||||
* created from NetBSD: syscalls.master,v 1.15 2001/12/25 21:32:31 manu Exp
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__KERNEL_RCSID(0, "$NetBSD: irix_syscalls.c,v 1.16 2001/12/25 21:32:30 manu Exp $");
|
||||
__KERNEL_RCSID(0, "$NetBSD: irix_syscalls.c,v 1.17 2001/12/26 11:04:20 manu Exp $");
|
||||
|
||||
#if defined(_KERNEL_OPT)
|
||||
#if defined(_KERNEL_OPT)
|
||||
|
|
@ -211,7 +211,7 @@ const char *const irix_syscallnames[] = {
|
|||
"#167 (unimplemented swapctl)", /* 167 = unimplemented swapctl */
|
||||
"getcontext", /* 168 = getcontext */
|
||||
"setcontext", /* 169 = setcontext */
|
||||
"#170 (unimplemented waitsys)", /* 170 = unimplemented waitsys */
|
||||
"waitsys", /* 170 = waitsys */
|
||||
"#171 (unimplemented sigstack)", /* 171 = unimplemented sigstack */
|
||||
"#172 (unimplemented sigaltstack)", /* 172 = unimplemented sigaltstack */
|
||||
"#173 (unimplemented sigsendset)", /* 173 = unimplemented sigsendset */
|
||||
|
|
|
|||
|
|
@ -1,14 +1,14 @@
|
|||
/* $NetBSD: irix_sysent.c,v 1.16 2001/12/25 21:32:31 manu Exp $ */
|
||||
/* $NetBSD: irix_sysent.c,v 1.17 2001/12/26 11:04:20 manu Exp $ */
|
||||
|
||||
/*
|
||||
* System call switch table.
|
||||
*
|
||||
* DO NOT EDIT-- this file is automatically generated.
|
||||
* created from NetBSD: syscalls.master,v 1.14 2001/12/25 19:04:19 manu Exp
|
||||
* created from NetBSD: syscalls.master,v 1.15 2001/12/25 21:32:31 manu Exp
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__KERNEL_RCSID(0, "$NetBSD: irix_sysent.c,v 1.16 2001/12/25 21:32:31 manu Exp $");
|
||||
__KERNEL_RCSID(0, "$NetBSD: irix_sysent.c,v 1.17 2001/12/26 11:04:20 manu Exp $");
|
||||
|
||||
#if defined(_KERNEL_OPT)
|
||||
#include "opt_ntp.h"
|
||||
|
|
@ -384,8 +384,8 @@ struct sysent irix_sysent[] = {
|
|||
irix_sys_getcontext }, /* 168 = getcontext */
|
||||
{ 1, s(struct irix_sys_setcontext_args), 0,
|
||||
irix_sys_setcontext }, /* 169 = setcontext */
|
||||
{ 0, 0, 0,
|
||||
sys_nosys }, /* 170 = unimplemented waitsys */
|
||||
{ 5, s(struct irix_sys_waitsys_args), 0,
|
||||
irix_sys_waitsys }, /* 170 = waitsys */
|
||||
{ 0, 0, 0,
|
||||
sys_nosys }, /* 171 = unimplemented sigstack */
|
||||
{ 0, 0, 0,
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: irix_types.h,v 1.8 2001/12/25 19:04:19 manu Exp $ */
|
||||
/* $NetBSD: irix_types.h,v 1.9 2001/12/26 11:04:20 manu Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2001 The NetBSD Foundation, Inc.
|
||||
|
|
@ -50,12 +50,14 @@ typedef struct {
|
|||
} irix_sigset_t;
|
||||
|
||||
/* From IRIX's <sys/types.h> */
|
||||
typedef __int32_t irix_app32_int_t;
|
||||
typedef __uint32_t irix_app32_ulong_t;
|
||||
typedef __int32_t irix_app32_long_t;
|
||||
typedef __uint64_t irix_app32_ulong_long_t;
|
||||
typedef __int64_t irix_app32_long_long_t;
|
||||
typedef __uint32_t irix_ino_t;
|
||||
typedef __int32_t irix_off_t;
|
||||
typedef __uint32_t irix_app32_ptr_t;
|
||||
|
||||
#if 1 /* _MIPS_SZLONG == 32 */
|
||||
typedef unsigned long irix_mode_t;
|
||||
|
|
@ -84,6 +86,9 @@ typedef __int64_t irix_blkcnt64_t;
|
|||
|
||||
/* From IRIX's <sys/ktypes.h> */
|
||||
typedef irix_app32_long_long_t irix_irix5_n32_off_t;
|
||||
typedef irix_app32_long_t irix_irix5_uid_t;
|
||||
typedef irix_app32_long_t irix_irix5_clock_t;
|
||||
typedef irix_app32_long_t irix_irix5_pid_t;
|
||||
|
||||
/* From IRIX's <sys/ktime.h> */
|
||||
typedef irix_app32_long_t irix_irix5_time_t;
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
$NetBSD: syscalls.master,v 1.15 2001/12/25 21:32:31 manu Exp $
|
||||
$NetBSD: syscalls.master,v 1.16 2001/12/26 11:04:20 manu Exp $
|
||||
|
||||
; @(#)syscalls.master 8.1 (Berkeley) 7/19/93
|
||||
|
||||
|
|
@ -280,7 +280,9 @@
|
|||
167 UNIMPL swapctl
|
||||
168 STD { int irix_sys_getcontext(irix_ucontext_t *ucp); }
|
||||
169 STD { int irix_sys_setcontext(const irix_ucontext_t *ucp); }
|
||||
170 UNIMPL waitsys
|
||||
170 STD { int irix_sys_waitsys(int type, int pid, \
|
||||
struct irix_irix5_siginfo *info, int options, \
|
||||
struct rusage *ru); }
|
||||
171 UNIMPL sigstack
|
||||
172 UNIMPL sigaltstack
|
||||
173 UNIMPL sigsendset
|
||||
|
|
|
|||
Loading…
Reference in New Issue