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Annotation of sys/compat/hpux/m68k/hpux_sig2.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: hpux_sig2.c,v 1.2 2004/09/28 11:00:22 miod Exp $      */
        !             2: /*     $NetBSD: hpux_sig.c,v 1.16 1997/04/01 19:59:02 scottr Exp $     */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1988 University of Utah.
        !             6:  * Copyright (c) 1990, 1993
        !             7:  *     The Regents of the University of California.  All rights reserved.
        !             8:  *
        !             9:  * This code is derived from software contributed to Berkeley by
        !            10:  * the Systems Programming Group of the University of Utah Computer
        !            11:  * Science Department.
        !            12:  *
        !            13:  * Redistribution and use in source and binary forms, with or without
        !            14:  * modification, are permitted provided that the following conditions
        !            15:  * are met:
        !            16:  * 1. Redistributions of source code must retain the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer.
        !            18:  * 2. Redistributions in binary form must reproduce the above copyright
        !            19:  *    notice, this list of conditions and the following disclaimer in the
        !            20:  *    documentation and/or other materials provided with the distribution.
        !            21:  * 3. Neither the name of the University nor the names of its contributors
        !            22:  *    may be used to endorse or promote products derived from this software
        !            23:  *    without specific prior written permission.
        !            24:  *
        !            25:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            26:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            27:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            28:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            29:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            30:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            31:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            32:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            33:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            34:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            35:  * SUCH DAMAGE.
        !            36:  *
        !            37:  * from: Utah $Hdr: hpux_sig.c 1.4 92/01/20$
        !            38:  *
        !            39:  *     @(#)hpux_sig.c  8.2 (Berkeley) 9/23/93
        !            40:  */
        !            41:
        !            42: /*
        !            43:  * Signal related HPUX compatibility routines
        !            44:  */
        !            45:
        !            46: #include <sys/param.h>
        !            47: #include <sys/systm.h>
        !            48: #include <sys/kernel.h>
        !            49: #include <sys/mount.h>
        !            50: #include <sys/proc.h>
        !            51: #include <sys/signalvar.h>
        !            52: #include <sys/syscallargs.h>
        !            53:
        !            54: #include <compat/hpux/hpux.h>
        !            55: #include <compat/hpux/hpux_sig.h>
        !            56: #include <compat/hpux/m68k/hpux_syscallargs.h>
        !            57:
        !            58: int
        !            59: hpux_sys_ssig_6x(p, v, retval)
        !            60:        struct proc *p;
        !            61:        void *v;
        !            62:        register_t *retval;
        !            63: {
        !            64:        struct hpux_sys_ssig_6x_args /* {
        !            65:                syscallarg(int) signo;
        !            66:                syscallarg(sig_t) fun;
        !            67:        } */ *uap = v;
        !            68:        int a;
        !            69:        struct sigaction vec;
        !            70:        struct sigaction *sa = &vec;
        !            71:
        !            72:        a = hpuxtobsdsig(SCARG(uap, signo));
        !            73:        sa->sa_handler = SCARG(uap, fun);
        !            74:        /*
        !            75:         * Kill processes trying to use job control facilities
        !            76:         * (this'll help us find any vestiges of the old stuff).
        !            77:         */
        !            78:        if ((a &~ 0377) ||
        !            79:            (sa->sa_handler != SIG_DFL && sa->sa_handler != SIG_IGN &&
        !            80:             ((int)sa->sa_handler) & 1)) {
        !            81:                psignal(p, SIGSYS);
        !            82:                return (0);
        !            83:        }
        !            84:        if (a <= 0 || a >= NSIG || a == SIGKILL || a == SIGSTOP ||
        !            85:            (a == SIGCONT && sa->sa_handler == SIG_IGN))
        !            86:                return (EINVAL);
        !            87:        sa->sa_mask = 0;
        !            88:        sa->sa_flags = 0;
        !            89:        *retval = (int)p->p_sigacts->ps_sigact[a];
        !            90:        setsigvec(p, a, sa);
        !            91: #if 0
        !            92:        p->p_flag |= SOUSIG;            /* mark as simulating old stuff */
        !            93: #endif
        !            94:        return (0);
        !            95: }