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Annotation of sys/compat/hpux/hpux_compat.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: hpux_compat.c,v 1.28 2004/07/09 21:33:44 mickey Exp $ */
        !             2: /*     $NetBSD: hpux_compat.c,v 1.35 1997/05/08 16:19:48 mycroft 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 $Hdr: hpux_compat.c 1.64 93/08/05$
        !            38:  *
        !            39:  *     @(#)hpux_compat.c       8.4 (Berkeley) 2/13/94
        !            40:  */
        !            41:
        !            42: /*
        !            43:  * Various HP-UX compatibility routines
        !            44:  */
        !            45:
        !            46: #ifndef COMPAT_43
        !            47: #define COMPAT_43
        !            48: #endif
        !            49:
        !            50: #include <sys/param.h>
        !            51: #include <sys/systm.h>
        !            52: #include <sys/signalvar.h>
        !            53: #include <sys/kernel.h>
        !            54: #include <sys/filedesc.h>
        !            55: #include <sys/proc.h>
        !            56: #include <sys/buf.h>
        !            57: #include <sys/wait.h>
        !            58: #include <sys/file.h>
        !            59: #include <sys/namei.h>
        !            60: #include <sys/vnode.h>
        !            61: #include <sys/ioctl.h>
        !            62: #include <sys/ptrace.h>
        !            63: #include <sys/stat.h>
        !            64: #include <sys/syslog.h>
        !            65: #include <sys/malloc.h>
        !            66: #include <sys/mount.h>
        !            67: #include <sys/ipc.h>
        !            68: #include <sys/user.h>
        !            69: #include <sys/mman.h>
        !            70:
        !            71: #include <machine/cpu.h>
        !            72: #include <machine/reg.h>
        !            73: #include <machine/psl.h>
        !            74: #include <machine/vmparam.h>
        !            75:
        !            76: #include <sys/syscallargs.h>
        !            77:
        !            78: #include <compat/hpux/hpux.h>
        !            79: #include <compat/hpux/hpux_sig.h>
        !            80: #include <compat/hpux/hpux_util.h>
        !            81: #include <compat/hpux/hpux_termio.h>
        !            82: #include <compat/hpux/hpux_syscall.h>
        !            83: #include <compat/hpux/hpux_syscallargs.h>
        !            84:
        !            85: #include <machine/hpux_machdep.h>
        !            86:
        !            87: #ifdef DEBUG
        !            88: int unimpresponse = 0;
        !            89: #endif
        !            90:
        !            91: #define NERR   83
        !            92: #define BERR   1000
        !            93:
        !            94: /* indexed by BSD errno */
        !            95: int bsdtohpuxerrnomap[NERR] = {
        !            96: /*00*/   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,
        !            97: /*10*/  10,  45,  12,  13,  14,  15,  16,  17,  18,  19,
        !            98: /*20*/  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,
        !            99: /*30*/  30,  31,  32,  33,  34, 246, 245, 244, 216, 217,
        !           100: /*40*/ 218, 219, 220, 221, 222, 223, 224, 225, 226, 227,
        !           101: /*50*/ 228, 229, 230, 231, 232, 233, 234, 235, 236, 237,
        !           102: /*60*/ 238, 239, 249, 248, 241, 242, 247,BERR,BERR,BERR,
        !           103: /*70*/   70,  71,BERR,BERR,BERR,BERR,BERR,  46, 251,BERR,
        !           104: /*80*/ BERR,BERR,  11
        !           105: };
        !           106:
        !           107: extern char sigcode[], esigcode[];
        !           108: extern struct sysent hpux_sysent[];
        !           109: extern char *hpux_syscallnames[];
        !           110:
        !           111: int    hpux_shmctl1(struct proc *, struct hpux_sys_shmctl_args *,
        !           112:            register_t *, int);
        !           113: int    hpuxtobsdioctl(u_long);
        !           114:
        !           115: static int     hpux_scale(struct timeval *);
        !           116:
        !           117: /*
        !           118:  * HP-UX fork and vfork need to map the EAGAIN return value appropriately.
        !           119:  */
        !           120: int
        !           121: hpux_sys_fork(p, v, retval)
        !           122:        struct proc *p;
        !           123:        void *v;
        !           124:        register_t *retval;
        !           125: {
        !           126:        /* struct hpux_sys_fork_args *uap = v; */
        !           127:        int error;
        !           128:
        !           129:        error = sys_fork(p, v, retval);
        !           130:        if (error == EAGAIN)
        !           131:                error = OEAGAIN;
        !           132:        return (error);
        !           133: }
        !           134:
        !           135: int
        !           136: hpux_sys_vfork(p, v, retval)
        !           137:        struct proc *p;
        !           138:        void *v;
        !           139:        register_t *retval;
        !           140: {
        !           141:        /* struct hpux_sys_vfork_args *uap = v; */
        !           142:        int error;
        !           143:
        !           144:        error = sys_vfork(p, v, retval);
        !           145:        if (error == EAGAIN)
        !           146:                error = OEAGAIN;
        !           147:        return (error);
        !           148: }
        !           149:
        !           150: /*
        !           151:  * HP-UX versions of wait and wait3 actually pass the parameters
        !           152:  * (status pointer, options, rusage) into the kernel rather than
        !           153:  * handling it in the C library stub.  We also need to map any
        !           154:  * termination signal from BSD to HP-UX.
        !           155:  */
        !           156: int
        !           157: hpux_sys_wait3(p, v, retval)
        !           158:        struct proc *p;
        !           159:        void *v;
        !           160:        register_t *retval;
        !           161: {
        !           162:        struct hpux_sys_wait3_args *uap = v;
        !           163:
        !           164:        /* rusage pointer must be zero */
        !           165:        if (SCARG(uap, rusage))
        !           166:                return (EINVAL);
        !           167: #ifdef m68k
        !           168:        p->p_md.md_regs[PS] = PSL_ALLCC;
        !           169:        p->p_md.md_regs[R0] = SCARG(uap, options);
        !           170:        p->p_md.md_regs[R1] = SCARG(uap, rusage);
        !           171: #endif
        !           172:
        !           173:        return (hpux_sys_wait(p, uap, retval));
        !           174: }
        !           175:
        !           176: int
        !           177: hpux_sys_wait(p, v, retval)
        !           178:        struct proc *p;
        !           179:        void *v;
        !           180:        register_t *retval;
        !           181: {
        !           182:        struct hpux_sys_wait_args *uap = v;
        !           183:        struct sys_wait4_args w4;
        !           184:        int error;
        !           185:        int sig;
        !           186:        size_t sz = sizeof(*SCARG(&w4, status));
        !           187:        int status;
        !           188:
        !           189:        SCARG(&w4, rusage) = NULL;
        !           190:        SCARG(&w4, options) = 0;
        !           191:
        !           192:        if (SCARG(uap, status) == NULL) {
        !           193:                caddr_t sg = stackgap_init(p->p_emul);
        !           194:                SCARG(&w4, status) = stackgap_alloc(&sg, sz);
        !           195:        }
        !           196:        else
        !           197:                SCARG(&w4, status) = SCARG(uap, status);
        !           198:
        !           199:        SCARG(&w4, pid) = WAIT_ANY;
        !           200:
        !           201:        error = sys_wait4(p, &w4, retval);
        !           202:        /*
        !           203:         * HP-UX wait always returns EINTR when interrupted by a signal
        !           204:         * (well, unless its emulating a BSD process, but we don't bother...)
        !           205:         */
        !           206:        if (error == ERESTART)
        !           207:                error = EINTR;
        !           208:        if (error)
        !           209:                return error;
        !           210:
        !           211:        if ((error = copyin(SCARG(&w4, status), &status, sizeof(status))) != 0)
        !           212:                return error;
        !           213:
        !           214:        sig = status & 0xFF;
        !           215:        if (sig == WSTOPPED) {
        !           216:                sig = (status >> 8) & 0xFF;
        !           217:                retval[1] = (bsdtohpuxsig(sig) << 8) | WSTOPPED;
        !           218:        } else if (sig)
        !           219:                retval[1] = (status & 0xFF00) |
        !           220:                        bsdtohpuxsig(sig & 0x7F) | (sig & 0x80);
        !           221:
        !           222:        if (SCARG(uap, status) == NULL)
        !           223:                return error;
        !           224:        else
        !           225:                return copyout(&retval[1],
        !           226:                               SCARG(uap, status), sizeof(retval[1]));
        !           227: }
        !           228:
        !           229: int
        !           230: hpux_sys_waitpid(p, v, retval)
        !           231:        struct proc *p;
        !           232:        void *v;
        !           233:        register_t *retval;
        !           234: {
        !           235:        struct hpux_sys_waitpid_args *uap = v;
        !           236:        int rv, sig, xstat, error;
        !           237:
        !           238:        SCARG(uap, rusage) = 0;
        !           239:        error = sys_wait4(p, uap, retval);
        !           240:        /*
        !           241:         * HP-UX wait always returns EINTR when interrupted by a signal
        !           242:         * (well, unless its emulating a BSD process, but we don't bother...)
        !           243:         */
        !           244:        if (error == ERESTART)
        !           245:                error = EINTR;
        !           246:        if (error)
        !           247:                return (error);
        !           248:
        !           249:        if (SCARG(uap, status)) {
        !           250:                /*
        !           251:                 * Wait4 already wrote the status out to user space,
        !           252:                 * pull it back, change the signal portion, and write
        !           253:                 * it back out.
        !           254:                 */
        !           255:                if ((error = copyin((caddr_t)SCARG(uap, status), &rv,
        !           256:                    sizeof(int))) != 0)
        !           257:                        return error;
        !           258:
        !           259:                if (WIFSTOPPED(rv)) {
        !           260:                        sig = WSTOPSIG(rv);
        !           261:                        rv = W_STOPCODE(bsdtohpuxsig(sig));
        !           262:                } else if (WIFSIGNALED(rv)) {
        !           263:                        sig = WTERMSIG(rv);
        !           264:                        xstat = WEXITSTATUS(rv);
        !           265:                        rv = W_EXITCODE(xstat, bsdtohpuxsig(sig)) |
        !           266:                                WCOREDUMP(rv);
        !           267:                }
        !           268:                error = copyout(&rv, (caddr_t)SCARG(uap, status), sizeof(int));
        !           269:        }
        !           270:        return (error);
        !           271: }
        !           272:
        !           273: /*
        !           274:  * Read and write calls.  Same as BSD except for non-blocking behavior.
        !           275:  * There are three types of non-blocking reads/writes in HP-UX checked
        !           276:  * in the following order:
        !           277:  *
        !           278:  *     O_NONBLOCK: return -1 and errno == EAGAIN
        !           279:  *     O_NDELAY:   return 0
        !           280:  *     FIOSNBIO:   return -1 and errno == EWOULDBLOCK
        !           281:  */
        !           282: int
        !           283: hpux_sys_read(p, v, retval)
        !           284:        struct proc *p;
        !           285:        void *v;
        !           286:        register_t *retval;
        !           287: {
        !           288:        struct hpux_sys_read_args *uap = v;
        !           289:        int error;
        !           290:
        !           291:        error = sys_read(p, (struct sys_read_args *) uap, retval);
        !           292:        if (error == EWOULDBLOCK) {
        !           293:                char *fp = &p->p_fd->fd_ofileflags[SCARG(uap, fd)];
        !           294:
        !           295:                if (*fp & HPUX_UF_NONBLOCK_ON) {
        !           296:                        *retval = -1;
        !           297:                        error = OEAGAIN;
        !           298:                } else if (*fp & HPUX_UF_FNDELAY_ON) {
        !           299:                        *retval = 0;
        !           300:                        error = 0;
        !           301:                }
        !           302:        }
        !           303:        return (error);
        !           304: }
        !           305:
        !           306: int
        !           307: hpux_sys_write(p, v, retval)
        !           308:        struct proc *p;
        !           309:        void *v;
        !           310:        register_t *retval;
        !           311: {
        !           312:        struct hpux_sys_write_args *uap = v;
        !           313:        int error;
        !           314:
        !           315:        error = sys_write(p, (struct sys_write_args *) uap, retval);
        !           316:        if (error == EWOULDBLOCK) {
        !           317:                char *fp = &p->p_fd->fd_ofileflags[SCARG(uap, fd)];
        !           318:
        !           319:                if (*fp & HPUX_UF_NONBLOCK_ON) {
        !           320:                        *retval = -1;
        !           321:                        error = OEAGAIN;
        !           322:                } else if (*fp & HPUX_UF_FNDELAY_ON) {
        !           323:                        *retval = 0;
        !           324:                        error = 0;
        !           325:                }
        !           326:        }
        !           327:        return (error);
        !           328: }
        !           329:
        !           330: int
        !           331: hpux_sys_readv(p, v, retval)
        !           332:        struct proc *p;
        !           333:        void *v;
        !           334:        register_t *retval;
        !           335: {
        !           336:        struct hpux_sys_readv_args *uap = v;
        !           337:        int error;
        !           338:
        !           339:        error = sys_readv(p, (struct sys_readv_args *) uap, retval);
        !           340:        if (error == EWOULDBLOCK) {
        !           341:                char *fp = &p->p_fd->fd_ofileflags[SCARG(uap, fd)];
        !           342:
        !           343:                if (*fp & HPUX_UF_NONBLOCK_ON) {
        !           344:                        *retval = -1;
        !           345:                        error = OEAGAIN;
        !           346:                } else if (*fp & HPUX_UF_FNDELAY_ON) {
        !           347:                        *retval = 0;
        !           348:                        error = 0;
        !           349:                }
        !           350:        }
        !           351:        return (error);
        !           352: }
        !           353:
        !           354: int
        !           355: hpux_sys_writev(p, v, retval)
        !           356:        struct proc *p;
        !           357:        void *v;
        !           358:        register_t *retval;
        !           359: {
        !           360:        struct hpux_sys_writev_args *uap = v;
        !           361:        int error;
        !           362:
        !           363:        error = sys_writev(p, (struct sys_writev_args *) uap, retval);
        !           364:        if (error == EWOULDBLOCK) {
        !           365:                char *fp = &p->p_fd->fd_ofileflags[SCARG(uap, fd)];
        !           366:
        !           367:                if (*fp & HPUX_UF_NONBLOCK_ON) {
        !           368:                        *retval = -1;
        !           369:                        error = OEAGAIN;
        !           370:                } else if (*fp & HPUX_UF_FNDELAY_ON) {
        !           371:                        *retval = 0;
        !           372:                        error = 0;
        !           373:                }
        !           374:        }
        !           375:        return (error);
        !           376: }
        !           377:
        !           378: int
        !           379: hpux_sys_utssys(p, v, retval)
        !           380:        struct proc *p;
        !           381:        void *v;
        !           382:        register_t *retval;
        !           383: {
        !           384:        struct hpux_sys_utssys_args *uap = v;
        !           385:        int i;
        !           386:        int error;
        !           387:        struct hpux_utsname     ut;
        !           388:        extern char hostname[], machine[];
        !           389:
        !           390:        switch (SCARG(uap, request)) {
        !           391:        /* uname */
        !           392:        case 0:
        !           393:                bzero(&ut, sizeof(ut));
        !           394:
        !           395:                strlcpy(ut.sysname, ostype, sizeof(ut.sysname));
        !           396:
        !           397:                /* copy hostname (sans domain) to nodename */
        !           398:                for (i = 0; i < 8 && hostname[i] != '.'; i++)
        !           399:                        ut.nodename[i] = hostname[i];
        !           400:                ut.nodename[i] = '\0';
        !           401:
        !           402:                strlcpy(ut.release, osrelease, sizeof(ut.release));
        !           403:                strlcpy(ut.version, version, sizeof(ut.version));
        !           404:                strlcpy(ut.machine, machine, sizeof(ut.machine));
        !           405:
        !           406:                error = copyout((caddr_t)&ut,
        !           407:                    (caddr_t)SCARG(uap, uts), sizeof(ut));
        !           408:                break;
        !           409:
        !           410:        /* gethostname */
        !           411:        case 5:
        !           412:                /* SCARG(uap, dev) is length */
        !           413:                i = SCARG(uap, dev);
        !           414:                if (i < 0) {
        !           415:                        error = EINVAL;
        !           416:                        break;
        !           417:                }
        !           418:                if (i > hostnamelen + 1)
        !           419:                        i = hostnamelen + 1;
        !           420:                error = copyout((caddr_t)hostname, (caddr_t)SCARG(uap, uts), i);
        !           421:                break;
        !           422:
        !           423:        case 1: /* ?? */
        !           424:        case 2: /* ustat */
        !           425:        case 3: /* ?? */
        !           426:        case 4: /* sethostname */
        !           427:        default:
        !           428:                error = EINVAL;
        !           429:                break;
        !           430:        }
        !           431:        return (error);
        !           432: }
        !           433:
        !           434: int
        !           435: hpux_sys_sysconf(p, v, retval)
        !           436:        struct proc *p;
        !           437:        void *v;
        !           438:        register_t *retval;
        !           439: {
        !           440:        struct hpux_sys_sysconf_args *uap = v;
        !           441:        switch (SCARG(uap, name)) {
        !           442:
        !           443:        /* clock ticks per second */
        !           444:        case HPUX_SYSCONF_CLKTICK:
        !           445:                *retval = hz;
        !           446:                break;
        !           447:
        !           448:        /* open files */
        !           449:        case HPUX_SYSCONF_OPENMAX:
        !           450:                *retval = NOFILE;
        !           451:                break;
        !           452:
        !           453:        /* architecture */
        !           454:        case HPUX_SYSCONF_CPUTYPE:
        !           455:                *retval = hpux_cpu_sysconf_arch();
        !           456:                break;
        !           457:        default:
        !           458:                /* XXX */
        !           459:                uprintf("HP-UX sysconf(%d) not implemented\n",
        !           460:                    SCARG(uap, name));
        !           461:                return (EINVAL);
        !           462:        }
        !           463:        return (0);
        !           464: }
        !           465:
        !           466: int
        !           467: hpux_sys_ulimit(p, v, retval)
        !           468:        struct proc *p;
        !           469:        void *v;
        !           470:        register_t *retval;
        !           471: {
        !           472:        struct hpux_sys_ulimit_args *uap = v;
        !           473:        struct rlimit *limp;
        !           474:        int error = 0;
        !           475:
        !           476:        limp = &p->p_rlimit[RLIMIT_FSIZE];
        !           477:        switch (SCARG(uap, cmd)) {
        !           478:        case 2:
        !           479:                SCARG(uap, newlimit) *= 512;
        !           480:                if (SCARG(uap, newlimit) > limp->rlim_max &&
        !           481:                    (error = suser(p, 0)))
        !           482:                        break;
        !           483:                limp->rlim_cur = limp->rlim_max = SCARG(uap, newlimit);
        !           484:                /* else fall into... */
        !           485:
        !           486:        case 1:
        !           487:                *retval = limp->rlim_max / 512;
        !           488:                break;
        !           489:
        !           490:        case 3:
        !           491:                limp = &p->p_rlimit[RLIMIT_DATA];
        !           492:                *retval = ctob(p->p_vmspace->vm_tsize) + limp->rlim_max;
        !           493:                break;
        !           494:
        !           495:        default:
        !           496:                error = EINVAL;
        !           497:                break;
        !           498:        }
        !           499:        return (error);
        !           500: }
        !           501:
        !           502: /*
        !           503:  * Map "real time" priorities 0 (high) thru 127 (low) into nice
        !           504:  * values -16 (high) thru -1 (low).
        !           505:  */
        !           506: int
        !           507: hpux_sys_rtprio(cp, v, retval)
        !           508:        struct proc *cp;
        !           509:        void *v;
        !           510:        register_t *retval;
        !           511: {
        !           512:        struct hpux_sys_rtprio_args *uap = v;
        !           513:        struct proc *p;
        !           514:        int nice, error;
        !           515:
        !           516:        if (SCARG(uap, prio) < RTPRIO_MIN && SCARG(uap, prio) > RTPRIO_MAX &&
        !           517:            SCARG(uap, prio) != RTPRIO_NOCHG &&
        !           518:            SCARG(uap, prio) != RTPRIO_RTOFF)
        !           519:                return (EINVAL);
        !           520:        if (SCARG(uap, pid) == 0)
        !           521:                p = cp;
        !           522:        else if ((p = pfind(SCARG(uap, pid))) == 0)
        !           523:                return (ESRCH);
        !           524:        nice = p->p_nice;
        !           525:        if (nice < NZERO)
        !           526:                *retval = (nice + 16) << 3;
        !           527:        else
        !           528:                *retval = RTPRIO_RTOFF;
        !           529:        switch (SCARG(uap, prio)) {
        !           530:
        !           531:        case RTPRIO_NOCHG:
        !           532:                return (0);
        !           533:
        !           534:        case RTPRIO_RTOFF:
        !           535:                if (nice >= NZERO)
        !           536:                        return (0);
        !           537:                nice = NZERO;
        !           538:                break;
        !           539:
        !           540:        default:
        !           541:                nice = (SCARG(uap, prio) >> 3) - 16;
        !           542:                break;
        !           543:        }
        !           544:        error = donice(cp, p, nice);
        !           545:        if (error == EACCES)
        !           546:                error = EPERM;
        !           547:        return (error);
        !           548: }
        !           549:
        !           550: /* hpux_sys_advise() is found in hpux_machdep.c */
        !           551:
        !           552: #ifdef PTRACE
        !           553:
        !           554: int
        !           555: hpux_sys_ptrace(p, v, retval)
        !           556:        struct proc *p;
        !           557:        void *v;
        !           558:        register_t *retval;
        !           559: {
        !           560:        struct hpux_sys_ptrace_args *uap = v;
        !           561:        int error;
        !           562: #if defined(PT_READ_U) || defined(PT_WRITE_U)
        !           563:        int isps = 0;
        !           564:        struct proc *cp;
        !           565: #endif
        !           566:
        !           567:        switch (SCARG(uap, req)) {
        !           568:        /* map signal */
        !           569: #if defined(PT_STEP) || defined(PT_CONTINUE)
        !           570: # ifdef PT_STEP
        !           571:        case PT_STEP:
        !           572: # endif
        !           573: # ifdef PT_CONTINUE
        !           574:        case PT_CONTINUE:
        !           575: # endif
        !           576:                if (SCARG(uap, data)) {
        !           577:                        SCARG(uap, data) = hpuxtobsdsig(SCARG(uap, data));
        !           578:                        if (SCARG(uap, data) == 0)
        !           579:                                SCARG(uap, data) = NSIG;
        !           580:                }
        !           581:                break;
        !           582: #endif
        !           583:        /* map u-area offset */
        !           584: #if defined(PT_READ_U) || defined(PT_WRITE_U)
        !           585: # ifdef PT_READ_U
        !           586:        case PT_READ_U:
        !           587: # endif
        !           588: # ifdef PT_WRITE_U
        !           589:        case PT_WRITE_U:
        !           590: # endif
        !           591:                /*
        !           592:                 * Big, cheezy hack: hpux_to_bsd_uoff is really intended
        !           593:                 * to be called in the child context (procxmt) but we
        !           594:                 * do it here in the parent context to avoid hacks in
        !           595:                 * the MI sys_process.c file.  This works only because
        !           596:                 * we can access the child's md_regs pointer and it
        !           597:                 * has the correct value (the child has already trapped
        !           598:                 * into the kernel).
        !           599:                 */
        !           600:                if ((cp = pfind(SCARG(uap, pid))) == 0)
        !           601:                        return (ESRCH);
        !           602:                SCARG(uap, addr) =
        !           603:                    (int *)hpux_to_bsd_uoff(SCARG(uap, addr), &isps, cp);
        !           604:
        !           605:                /*
        !           606:                 * Since HP-UX PS is only 16-bits in ar0, requests
        !           607:                 * to write PS actually contain the PS in the high word
        !           608:                 * and the high half of the PC (the following register)
        !           609:                 * in the low word.  Move the PS value to where BSD
        !           610:                 * expects it.
        !           611:                 */
        !           612:                if (isps && SCARG(uap, req) == PT_WRITE_U)
        !           613:                        SCARG(uap, data) >>= 16;
        !           614:                break;
        !           615: #endif
        !           616:        }
        !           617:
        !           618:        error = sys_ptrace(p, uap, retval);
        !           619:        /*
        !           620:         * Align PS as HP-UX expects it (see WRITE_U comment above).
        !           621:         * Note that we do not return the high part of PC like HP-UX
        !           622:         * would, but the HP-UX debuggers don't require it.
        !           623:         */
        !           624: #ifdef PT_READ_U
        !           625:        if (isps && error == 0 && SCARG(uap, req) == PT_READ_U)
        !           626:                *retval <<= 16;
        !           627: #endif
        !           628:        return (error);
        !           629: }
        !           630:
        !           631: #endif /* PTRACE */
        !           632:
        !           633: #ifdef SYSVSHM
        !           634: #include <sys/shm.h>
        !           635:
        !           636: int
        !           637: hpux_sys_shmctl(p, v, retval)
        !           638:        struct proc *p;
        !           639:        void *v;
        !           640:        register_t *retval;
        !           641: {
        !           642:        struct hpux_sys_shmctl_args *uap = v;
        !           643:
        !           644:        return (hpux_shmctl1(p, (struct hpux_sys_shmctl_args *)uap, retval, 0));
        !           645: }
        !           646:
        !           647: int
        !           648: hpux_sys_nshmctl(p, v, retval)
        !           649:        struct proc *p;
        !           650:        void *v;
        !           651:        register_t *retval;     /* struct hpux_nshmctl_args * */
        !           652: {
        !           653:        struct hpux_sys_nshmctl_args *uap = v;
        !           654:
        !           655:        return (hpux_shmctl1(p, (struct hpux_sys_shmctl_args *)uap, retval, 1));
        !           656: }
        !           657:
        !           658: /*
        !           659:  * Handle HP-UX specific commands.
        !           660:  */
        !           661: int
        !           662: hpux_shmctl1(p, uap, retval, isnew)
        !           663:        struct proc *p;
        !           664:        struct hpux_sys_shmctl_args *uap;
        !           665:        register_t *retval;
        !           666:        int isnew;
        !           667: {
        !           668:        struct shmid_ds *shp;
        !           669:        struct ucred *cred = p->p_ucred;
        !           670:        struct hpux_shmid_ds sbuf;
        !           671:        int error;
        !           672:        extern struct shmid_ds *shm_find_segment_by_shmid(int);
        !           673:
        !           674:        if ((shp = shm_find_segment_by_shmid(SCARG(uap, shmid))) == NULL)
        !           675:                return EINVAL;
        !           676:
        !           677:        switch (SCARG(uap, cmd)) {
        !           678:        case SHM_LOCK:
        !           679:        case SHM_UNLOCK:
        !           680:                /* don't really do anything, but make them think we did */
        !           681:                if (cred->cr_uid && cred->cr_uid != shp->shm_perm.uid &&
        !           682:                    cred->cr_uid != shp->shm_perm.cuid)
        !           683:                        return (EPERM);
        !           684:                return (0);
        !           685:
        !           686:        case IPC_STAT:
        !           687:                if (!isnew)
        !           688:                        break;
        !           689:                error = ipcperm(cred, &shp->shm_perm, IPC_R);
        !           690:                if (error == 0) {
        !           691:                        sbuf.shm_perm.uid = shp->shm_perm.uid;
        !           692:                        sbuf.shm_perm.gid = shp->shm_perm.gid;
        !           693:                        sbuf.shm_perm.cuid = shp->shm_perm.cuid;
        !           694:                        sbuf.shm_perm.cgid = shp->shm_perm.cgid;
        !           695:                        sbuf.shm_perm.mode = shp->shm_perm.mode;
        !           696:                        sbuf.shm_perm.seq = shp->shm_perm.seq;
        !           697:                        sbuf.shm_perm.key = shp->shm_perm.key;
        !           698:                        sbuf.shm_segsz = shp->shm_segsz;
        !           699:                        sbuf.shm_ptbl = shp->shm_internal;      /* XXX */
        !           700:                        sbuf.shm_lpid = shp->shm_lpid;
        !           701:                        sbuf.shm_cpid = shp->shm_cpid;
        !           702:                        sbuf.shm_nattch = shp->shm_nattch;
        !           703:                        sbuf.shm_cnattch = shp->shm_nattch;     /* XXX */
        !           704:                        sbuf.shm_atime = shp->shm_atime;
        !           705:                        sbuf.shm_dtime = shp->shm_dtime;
        !           706:                        sbuf.shm_ctime = shp->shm_ctime;
        !           707:                        error = copyout((caddr_t)&sbuf, SCARG(uap, buf),
        !           708:                            sizeof sbuf);
        !           709:                }
        !           710:                return (error);
        !           711:
        !           712:        case IPC_SET:
        !           713:                if (!isnew)
        !           714:                        break;
        !           715:                if (cred->cr_uid && cred->cr_uid != shp->shm_perm.uid &&
        !           716:                    cred->cr_uid != shp->shm_perm.cuid) {
        !           717:                        return (EPERM);
        !           718:                }
        !           719:                error = copyin(SCARG(uap, buf), (caddr_t)&sbuf, sizeof sbuf);
        !           720:                if (error == 0) {
        !           721:                        shp->shm_perm.uid = sbuf.shm_perm.uid;
        !           722:                        shp->shm_perm.gid = sbuf.shm_perm.gid;
        !           723:                        shp->shm_perm.mode = (shp->shm_perm.mode & ~0777)
        !           724:                                | (sbuf.shm_perm.mode & 0777);
        !           725:                        shp->shm_ctime = time_second;
        !           726:                }
        !           727:                return (error);
        !           728:        }
        !           729:        return (sys_shmctl(p, uap, retval));
        !           730: }
        !           731: #endif
        !           732:
        !           733: /*
        !           734:  * HP-UX mmap() emulation (mainly for shared library support).
        !           735:  */
        !           736: int
        !           737: hpux_sys_mmap(p, v, retval)
        !           738:        struct proc *p;
        !           739:        void *v;
        !           740:        register_t *retval;
        !           741: {
        !           742:        struct hpux_sys_mmap_args *uap = v;
        !           743:        struct sys_mmap_args /* {
        !           744:                syscallarg(caddr_t) addr;
        !           745:                syscallarg(size_t) len;
        !           746:                syscallarg(int) prot;
        !           747:                syscallarg(int) flags;
        !           748:                syscallarg(int) fd;
        !           749:                syscallarg(long) pad;
        !           750:                syscallarg(off_t) pos;
        !           751:        } */ nargs;
        !           752:
        !           753:        SCARG(&nargs, addr) = SCARG(uap, addr);
        !           754:        SCARG(&nargs, len) = SCARG(uap, len);
        !           755:        SCARG(&nargs, prot) = SCARG(uap, prot);
        !           756:        SCARG(&nargs, flags) = SCARG(uap, flags) &
        !           757:                ~(HPUXMAP_FIXED|HPUXMAP_REPLACE|HPUXMAP_ANON);
        !           758:        if (SCARG(uap, flags) & HPUXMAP_FIXED)
        !           759:                SCARG(&nargs, flags) |= MAP_FIXED;
        !           760:        if (SCARG(uap, flags) & HPUXMAP_ANON)
        !           761:                SCARG(&nargs, flags) |= MAP_ANON;
        !           762:        SCARG(&nargs, fd) = (SCARG(&nargs, flags) & MAP_ANON) ? -1 : SCARG(uap, fd);
        !           763:        SCARG(&nargs, pos) = SCARG(uap, pos);
        !           764:
        !           765:        return (sys_mmap(p, &nargs, retval));
        !           766: }
        !           767:
        !           768: int
        !           769: hpuxtobsdioctl(com)
        !           770:        u_long com;
        !           771: {
        !           772:        switch (com) {
        !           773:        case HPUXTIOCSLTC:
        !           774:                com = TIOCSLTC; break;
        !           775:        case HPUXTIOCGLTC:
        !           776:                com = TIOCGLTC; break;
        !           777:        case HPUXTIOCSPGRP:
        !           778:                com = TIOCSPGRP; break;
        !           779:        case HPUXTIOCGPGRP:
        !           780:                com = TIOCGPGRP; break;
        !           781:        case HPUXTIOCLBIS:
        !           782:                com = TIOCLBIS; break;
        !           783:        case HPUXTIOCLBIC:
        !           784:                com = TIOCLBIC; break;
        !           785:        case HPUXTIOCLSET:
        !           786:                com = TIOCLSET; break;
        !           787:        case HPUXTIOCLGET:
        !           788:                com = TIOCLGET; break;
        !           789:        case HPUXTIOCGWINSZ:
        !           790:                com = TIOCGWINSZ; break;
        !           791:        case HPUXTIOCSWINSZ:
        !           792:                com = TIOCSWINSZ; break;
        !           793:        }
        !           794:        return(com);
        !           795: }
        !           796:
        !           797: /*
        !           798:  * HP-UX ioctl system call.  The differences here are:
        !           799:  *     IOC_IN also means IOC_VOID if the size portion is zero.
        !           800:  *     no FIOCLEX/FIONCLEX/FIOASYNC/FIOGETOWN/FIOSETOWN
        !           801:  *     the sgttyb struct is 2 bytes longer
        !           802:  */
        !           803: int
        !           804: hpux_sys_ioctl(p, v, retval)
        !           805:        struct proc *p;
        !           806:        void *v;
        !           807:        register_t *retval;
        !           808: {
        !           809:        struct hpux_sys_ioctl_args /* {
        !           810:                syscallarg(int) fd;
        !           811:                syscallarg(int) com;
        !           812:                syscallarg(caddr_t) data;
        !           813:        } */ *uap = v;
        !           814:        struct filedesc *fdp = p->p_fd;
        !           815:        struct file *fp;
        !           816:        int com, error = 0;
        !           817:        u_int size;
        !           818:        caddr_t memp = 0;
        !           819: #define STK_PARAMS     128
        !           820:        char stkbuf[STK_PARAMS];
        !           821:        caddr_t dt = stkbuf;
        !           822:
        !           823:        com = SCARG(uap, com);
        !           824:
        !           825:        /* XXX */
        !           826:        if (com == HPUXTIOCGETP || com == HPUXTIOCSETP)
        !           827:                return (getsettty(p, SCARG(uap, fd), com, SCARG(uap, data)));
        !           828:
        !           829:        if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
        !           830:                return (EBADF);
        !           831:        if ((fp->f_flag & (FREAD|FWRITE)) == 0)
        !           832:                return (EBADF);
        !           833:
        !           834:        /*
        !           835:         * Interpret high order word to find
        !           836:         * amount of data to be copied to/from the
        !           837:         * user's address space.
        !           838:         */
        !           839:        size = IOCPARM_LEN(com);
        !           840:        if (size > IOCPARM_MAX)
        !           841:                return (ENOTTY);
        !           842:        FREF(fp);
        !           843:        if (size > sizeof (stkbuf)) {
        !           844:                memp = (caddr_t)malloc((u_long)size, M_IOCTLOPS, M_WAITOK);
        !           845:                dt = memp;
        !           846:        }
        !           847:        if (com&IOC_IN) {
        !           848:                if (size) {
        !           849:                        error = copyin(SCARG(uap, data), dt, (u_int)size);
        !           850:                        if (error) {
        !           851:                                goto out;
        !           852:                        }
        !           853:                } else
        !           854:                        *(caddr_t *)dt = SCARG(uap, data);
        !           855:        } else if ((com&IOC_OUT) && size)
        !           856:                /*
        !           857:                 * Zero the buffer so the user always
        !           858:                 * gets back something deterministic.
        !           859:                 */
        !           860:                bzero(dt, size);
        !           861:        else if (com&IOC_VOID)
        !           862:                *(caddr_t *)dt = SCARG(uap, data);
        !           863:
        !           864:        switch (com) {
        !           865:
        !           866:        case HPUXFIOSNBIO:
        !           867:        {
        !           868:                char *ofp = &fdp->fd_ofileflags[SCARG(uap, fd)];
        !           869:                int tmp;
        !           870:
        !           871:                if (*(int *)dt)
        !           872:                        *ofp |= HPUX_UF_FIONBIO_ON;
        !           873:                else
        !           874:                        *ofp &= ~HPUX_UF_FIONBIO_ON;
        !           875:                /*
        !           876:                 * Only set/clear if O_NONBLOCK/FNDELAY not in effect
        !           877:                 */
        !           878:                if ((*ofp & (HPUX_UF_NONBLOCK_ON|HPUX_UF_FNDELAY_ON)) == 0) {
        !           879:                        tmp = *ofp & HPUX_UF_FIONBIO_ON;
        !           880:                        error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO,
        !           881:                                                       (caddr_t)&tmp, p);
        !           882:                }
        !           883:                break;
        !           884:        }
        !           885:
        !           886:        case HPUXTIOCCONS:
        !           887:                *(int *)dt = 1;
        !           888:                error = (*fp->f_ops->fo_ioctl)(fp, TIOCCONS, dt, p);
        !           889:                break;
        !           890:
        !           891:        /* BSD-style job control ioctls */
        !           892:        case HPUXTIOCLBIS:
        !           893:        case HPUXTIOCLBIC:
        !           894:        case HPUXTIOCLSET:
        !           895:                *(int *)dt &= HPUXLTOSTOP;
        !           896:                if (*(int *)dt & HPUXLTOSTOP)
        !           897:                        *(int *)dt = LTOSTOP;
        !           898:                /* fall into */
        !           899:
        !           900:        /* simple mapping cases */
        !           901:        case HPUXTIOCLGET:
        !           902:        case HPUXTIOCSLTC:
        !           903:        case HPUXTIOCGLTC:
        !           904:        case HPUXTIOCSPGRP:
        !           905:        case HPUXTIOCGPGRP:
        !           906:        case HPUXTIOCGWINSZ:
        !           907:        case HPUXTIOCSWINSZ:
        !           908:                error = (*fp->f_ops->fo_ioctl)
        !           909:                        (fp, hpuxtobsdioctl(com), dt, p);
        !           910:                if (error == 0 && com == HPUXTIOCLGET) {
        !           911:                        *(int *)dt &= LTOSTOP;
        !           912:                        if (*(int *)dt & LTOSTOP)
        !           913:                                *(int *)dt = HPUXLTOSTOP;
        !           914:                }
        !           915:                break;
        !           916:
        !           917:        /* SYS 5 termio and POSIX termios */
        !           918:        case HPUXTCGETA:
        !           919:        case HPUXTCSETA:
        !           920:        case HPUXTCSETAW:
        !           921:        case HPUXTCSETAF:
        !           922:        case HPUXTCGETATTR:
        !           923:        case HPUXTCSETATTR:
        !           924:        case HPUXTCSETATTRD:
        !           925:        case HPUXTCSETATTRF:
        !           926:                error = hpux_termio(SCARG(uap, fd), com, dt, p);
        !           927:                break;
        !           928:
        !           929:        default:
        !           930:                error = (*fp->f_ops->fo_ioctl)(fp, com, dt, p);
        !           931:                break;
        !           932:        }
        !           933:        /*
        !           934:         * Copy any data to user, size was
        !           935:         * already set and checked above.
        !           936:         */
        !           937:        if (error == 0 && (com&IOC_OUT) && size)
        !           938:                error = copyout(dt, SCARG(uap, data), (u_int)size);
        !           939:
        !           940: out:
        !           941:        FRELE(fp);
        !           942:        if (memp)
        !           943:                free(memp, M_IOCTLOPS);
        !           944:        return (error);
        !           945: }
        !           946:
        !           947: /* hpux_sys_getcontext() is found in hpux_machdep.c */
        !           948:
        !           949: /*
        !           950:  * This is the equivalent of BSD getpgrp but with more restrictions.
        !           951:  * Note we do not check the real uid or "saved" uid.
        !           952:  */
        !           953: int
        !           954: hpux_sys_getpgrp2(cp, v, retval)
        !           955:        struct proc *cp;
        !           956:        void *v;
        !           957:        register_t *retval;
        !           958: {
        !           959:        struct hpux_sys_getpgrp2_args *uap = v;
        !           960:        struct proc *p;
        !           961:
        !           962:        if (SCARG(uap, pid) == 0)
        !           963:                SCARG(uap, pid) = cp->p_pid;
        !           964:        p = pfind(SCARG(uap, pid));
        !           965:        if (p == 0)
        !           966:                return (ESRCH);
        !           967:        if (cp->p_ucred->cr_uid && p->p_ucred->cr_uid != cp->p_ucred->cr_uid &&
        !           968:            !inferior(p))
        !           969:                return (EPERM);
        !           970:        *retval = p->p_pgid;
        !           971:        return (0);
        !           972: }
        !           973:
        !           974: /*
        !           975:  * This is the equivalent of BSD setpgrp but with more restrictions.
        !           976:  * Note we do not check the real uid or "saved" uid or pgrp.
        !           977:  */
        !           978: int
        !           979: hpux_sys_setpgrp2(p, v, retval)
        !           980:        struct proc *p;
        !           981:        void *v;
        !           982:        register_t *retval;
        !           983: {
        !           984:        struct hpux_sys_setpgrp2_args *uap = v;
        !           985:
        !           986:        /* empirically determined */
        !           987:        if (SCARG(uap, pgid) < 0 || SCARG(uap, pgid) >= 30000)
        !           988:                return (EINVAL);
        !           989:        return (sys_setpgid(p, uap, retval));
        !           990: }
        !           991:
        !           992: int
        !           993: hpux_sys_getrlimit(p, v, retval)
        !           994:        struct proc *p;
        !           995:        void *v;
        !           996:        register_t *retval;
        !           997: {
        !           998:        struct hpux_sys_getrlimit_args *uap = v;
        !           999:        struct compat_43_sys_getrlimit_args ap;
        !          1000:
        !          1001:        if (SCARG(uap, which) > HPUXRLIMIT_NOFILE)
        !          1002:                return (EINVAL);
        !          1003:        if (SCARG(uap, which) == HPUXRLIMIT_NOFILE)
        !          1004:                SCARG(uap, which) = RLIMIT_NOFILE;
        !          1005:
        !          1006:        SCARG(&ap, which) = SCARG(uap, which);
        !          1007:        SCARG(&ap, rlp) = SCARG(uap, rlp);
        !          1008:
        !          1009:        return (compat_43_sys_getrlimit(p, uap, retval));
        !          1010: }
        !          1011:
        !          1012: int
        !          1013: hpux_sys_setrlimit(p, v, retval)
        !          1014:        struct proc *p;
        !          1015:        void *v;
        !          1016:        register_t *retval;
        !          1017: {
        !          1018:        struct hpux_sys_setrlimit_args *uap = v;
        !          1019:        struct compat_43_sys_setrlimit_args ap;
        !          1020:
        !          1021:        if (SCARG(uap, which) > HPUXRLIMIT_NOFILE)
        !          1022:                return (EINVAL);
        !          1023:        if (SCARG(uap, which) == HPUXRLIMIT_NOFILE)
        !          1024:                SCARG(uap, which) = RLIMIT_NOFILE;
        !          1025:
        !          1026:        SCARG(&ap, which) = SCARG(uap, which);
        !          1027:        SCARG(&ap, rlp) = SCARG(uap, rlp);
        !          1028:
        !          1029:        return (compat_43_sys_setrlimit(p, uap, retval));
        !          1030: }
        !          1031:
        !          1032: /*
        !          1033:  * XXX: simple recognition hack to see if we can make grmd work.
        !          1034:  */
        !          1035: int
        !          1036: hpux_sys_lockf(p, v, retval)
        !          1037:        struct proc *p;
        !          1038:        void *v;
        !          1039:        register_t *retval;
        !          1040: {
        !          1041:        /* struct hpux_sys_lockf_args *uap = v; */
        !          1042:
        !          1043:        return (0);
        !          1044: }
        !          1045:
        !          1046:
        !          1047: #ifndef __hppa__
        !          1048: int
        !          1049: hpux_sys_getaccess(p, v, retval)
        !          1050:        struct proc *p;
        !          1051:        void *v;
        !          1052:        register_t *retval;
        !          1053: {
        !          1054:        struct hpux_sys_getaccess_args *uap = v;
        !          1055:        int lgroups[NGROUPS];
        !          1056:        int error = 0;
        !          1057:        struct ucred *cred;
        !          1058:        struct vnode *vp;
        !          1059:        struct nameidata nd;
        !          1060:
        !          1061:        /*
        !          1062:         * Build an appropriate credential structure
        !          1063:         */
        !          1064:        cred = crdup(p->p_ucred);
        !          1065:        switch (SCARG(uap, uid)) {
        !          1066:        case 65502:     /* UID_EUID */
        !          1067:                break;
        !          1068:        case 65503:     /* UID_RUID */
        !          1069:                cred->cr_uid = p->p_cred->p_ruid;
        !          1070:                break;
        !          1071:        case 65504:     /* UID_SUID */
        !          1072:                error = EINVAL;
        !          1073:                break;
        !          1074:        default:
        !          1075:                if (SCARG(uap, uid) > 65504)
        !          1076:                        error = EINVAL;
        !          1077:                cred->cr_uid = SCARG(uap, uid);
        !          1078:                break;
        !          1079:        }
        !          1080:        switch (SCARG(uap, ngroups)) {
        !          1081:        case -1:        /* NGROUPS_EGID */
        !          1082:                cred->cr_ngroups = 1;
        !          1083:                break;
        !          1084:        case -5:        /* NGROUPS_EGID_SUPP */
        !          1085:                break;
        !          1086:        case -2:        /* NGROUPS_RGID */
        !          1087:                cred->cr_ngroups = 1;
        !          1088:                cred->cr_gid = p->p_cred->p_rgid;
        !          1089:                break;
        !          1090:        case -6:        /* NGROUPS_RGID_SUPP */
        !          1091:                cred->cr_gid = p->p_cred->p_rgid;
        !          1092:                break;
        !          1093:        case -3:        /* NGROUPS_SGID */
        !          1094:        case -7:        /* NGROUPS_SGID_SUPP */
        !          1095:                error = EINVAL;
        !          1096:                break;
        !          1097:        case -4:        /* NGROUPS_SUPP */
        !          1098:                if (cred->cr_ngroups > 1)
        !          1099:                        cred->cr_gid = cred->cr_groups[1];
        !          1100:                else
        !          1101:                        error = EINVAL;
        !          1102:                break;
        !          1103:        default:
        !          1104:                if (SCARG(uap, ngroups) > 0 && SCARG(uap, ngroups) <= NGROUPS)
        !          1105:                        error = copyin((caddr_t)SCARG(uap, gidset),
        !          1106:                                       (caddr_t)&lgroups[0],
        !          1107:                                       SCARG(uap, ngroups) *
        !          1108:                                           sizeof(lgroups[0]));
        !          1109:                else
        !          1110:                        error = EINVAL;
        !          1111:                if (error == 0) {
        !          1112:                        int gid;
        !          1113:
        !          1114:                        for (gid = 0; gid < SCARG(uap, ngroups); gid++)
        !          1115:                                cred->cr_groups[gid] = lgroups[gid];
        !          1116:                        cred->cr_ngroups = SCARG(uap, ngroups);
        !          1117:                }
        !          1118:                break;
        !          1119:        }
        !          1120:        /*
        !          1121:         * Lookup file using caller's effective IDs.
        !          1122:         */
        !          1123:        if (error == 0) {
        !          1124:                NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
        !          1125:                        SCARG(uap, path), p);
        !          1126:                error = namei(&nd);
        !          1127:        }
        !          1128:        if (error) {
        !          1129:                crfree(cred);
        !          1130:                return (error);
        !          1131:        }
        !          1132:        /*
        !          1133:         * Use the constructed credentials for access checks.
        !          1134:         */
        !          1135:        vp = nd.ni_vp;
        !          1136:        *retval = 0;
        !          1137:        if (VOP_ACCESS(vp, VREAD, cred, p) == 0)
        !          1138:                *retval |= R_OK;
        !          1139:        if (vn_writechk(vp) == 0 && VOP_ACCESS(vp, VWRITE, cred, p) == 0)
        !          1140:                *retval |= W_OK;
        !          1141:        if (VOP_ACCESS(vp, VEXEC, cred, p) == 0)
        !          1142:                *retval |= X_OK;
        !          1143:        vput(vp);
        !          1144:        crfree(cred);
        !          1145:        return (error);
        !          1146: }
        !          1147: #endif
        !          1148:
        !          1149: /*
        !          1150:  * Ancient HP-UX system calls.  Some 9.x executables even use them!
        !          1151:  */
        !          1152: #define HPUX_HZ        50
        !          1153:
        !          1154: #include <sys/times.h>
        !          1155:
        !          1156:
        !          1157: /*
        !          1158:  * SYS V style setpgrp()
        !          1159:  */
        !          1160: int
        !          1161: hpux_sys_setpgrp_6x(p, v, retval)
        !          1162:        struct proc *p;
        !          1163:        void *v;
        !          1164:        register_t *retval;
        !          1165: {
        !          1166:
        !          1167:        if (p->p_pid != p->p_pgid)
        !          1168:                enterpgrp(p, p->p_pid, 0);
        !          1169:        *retval = p->p_pgid;
        !          1170:        return (0);
        !          1171: }
        !          1172:
        !          1173: int
        !          1174: hpux_sys_time_6x(p, v, retval)
        !          1175:        struct proc *p;
        !          1176:        void *v;
        !          1177:        register_t *retval;
        !          1178: {
        !          1179:        struct hpux_sys_time_6x_args /* {
        !          1180:                syscallarg(time_t *) t;
        !          1181:        } */ *uap = v;
        !          1182:        int error = 0;
        !          1183:        struct timeval tv;
        !          1184:
        !          1185:        microtime(&tv);
        !          1186:         if (SCARG(uap, t) != NULL)
        !          1187:                error = copyout(&tv.tv_sec, SCARG(uap, t), sizeof(time_t));
        !          1188:
        !          1189:        *retval = (register_t)tv.tv_sec;
        !          1190:        return (error);
        !          1191: }
        !          1192:
        !          1193: int
        !          1194: hpux_sys_stime_6x(p, v, retval)
        !          1195:        struct proc *p;
        !          1196:        void *v;
        !          1197:        register_t *retval;
        !          1198: {
        !          1199:        struct hpux_sys_stime_6x_args /* {
        !          1200:                syscallarg(int) time;
        !          1201:        } */ *uap = v;
        !          1202:        struct timespec ts;
        !          1203:        int error;
        !          1204:
        !          1205:        ts.tv_sec = SCARG(uap, time);
        !          1206:        ts.tv_nsec = 0;
        !          1207:        if ((error = suser(p, 0)))
        !          1208:                return (error);
        !          1209:
        !          1210:        settime(&ts);
        !          1211:
        !          1212:        return (0);
        !          1213: }
        !          1214:
        !          1215: int
        !          1216: hpux_sys_ftime_6x(p, v, retval)
        !          1217:        struct proc *p;
        !          1218:        void *v;
        !          1219:        register_t *retval;
        !          1220: {
        !          1221:        struct hpux_sys_ftime_6x_args /* {
        !          1222:                syscallarg(struct hpux_timeb *) tp;
        !          1223:        } */ *uap = v;
        !          1224:        struct hpux_otimeb tb;
        !          1225:        struct timeval tv;
        !          1226:
        !          1227:        microtime(&tv);
        !          1228:        tb.time = tv.tv_sec;
        !          1229:        tb.millitm = tv.tv_usec / 1000;
        !          1230:        tb.timezone = tz.tz_minuteswest;
        !          1231:        tb.dstflag = tz.tz_dsttime;
        !          1232:        return (copyout((caddr_t)&tb, (caddr_t)SCARG(uap, tp), sizeof (tb)));
        !          1233: }
        !          1234:
        !          1235: int
        !          1236: hpux_sys_alarm_6x(p, v, retval)
        !          1237:        struct proc *p;
        !          1238:        void *v;
        !          1239:        register_t *retval;
        !          1240: {
        !          1241:        struct hpux_sys_alarm_6x_args /* {
        !          1242:                syscallarg(int) deltat;
        !          1243:        } */ *uap = v;
        !          1244:        int timo;
        !          1245:        struct timeval tv, atv;
        !          1246:
        !          1247:        timeout_del(&p->p_realit_to);
        !          1248:        timerclear(&p->p_realtimer.it_interval);
        !          1249:        *retval = 0;
        !          1250:        getmicrouptime(&tv);
        !          1251:        if (timerisset(&p->p_realtimer.it_value) &&
        !          1252:            timercmp(&p->p_realtimer.it_value, &tv, >))
        !          1253:                *retval = p->p_realtimer.it_value.tv_sec - tv.tv_sec;
        !          1254:        if (SCARG(uap, deltat) == 0) {
        !          1255:                timerclear(&p->p_realtimer.it_value);
        !          1256:                return (0);
        !          1257:        }
        !          1258:        atv.tv_sec = SCARG(uap, deltat);
        !          1259:        atv.tv_usec = 0;
        !          1260:        p->p_realtimer.it_value = tv;
        !          1261:        p->p_realtimer.it_value.tv_sec += SCARG(uap, deltat);
        !          1262:        timo = tvtohz(&atv);
        !          1263:        if (timo <= 0)
        !          1264:                timo = 1;
        !          1265:        timeout_add(&p->p_realit_to, timo);
        !          1266:        return (0);
        !          1267: }
        !          1268:
        !          1269: int
        !          1270: hpux_sys_nice_6x(p, v, retval)
        !          1271:        struct proc *p;
        !          1272:        void *v;
        !          1273:        register_t *retval;
        !          1274: {
        !          1275:        struct hpux_sys_nice_6x_args /* {
        !          1276:                syscallarg(int) nval;
        !          1277:        } */ *uap = v;
        !          1278:        int error;
        !          1279:
        !          1280:        error = donice(p, p, (p->p_nice-NZERO)+SCARG(uap, nval));
        !          1281:        if (error == 0)
        !          1282:                *retval = p->p_nice - NZERO;
        !          1283:        return (error);
        !          1284: }
        !          1285:
        !          1286: int
        !          1287: hpux_sys_times_6x(p, v, retval)
        !          1288:        struct proc *p;
        !          1289:        void *v;
        !          1290:        register_t *retval;
        !          1291: {
        !          1292:        struct hpux_sys_times_6x_args /* {
        !          1293:                syscallarg(struct tms *) tms;
        !          1294:        } */ *uap = v;
        !          1295:        struct timeval ru, rs;
        !          1296:        struct tms atms;
        !          1297:        int error;
        !          1298:
        !          1299:        calcru(p, &ru, &rs, NULL);
        !          1300:        atms.tms_utime = hpux_scale(&ru);
        !          1301:        atms.tms_stime = hpux_scale(&rs);
        !          1302:        atms.tms_cutime = hpux_scale(&p->p_stats->p_cru.ru_utime);
        !          1303:        atms.tms_cstime = hpux_scale(&p->p_stats->p_cru.ru_stime);
        !          1304:        error = copyout((caddr_t)&atms, (caddr_t)SCARG(uap, tms),
        !          1305:            sizeof (atms));
        !          1306:        if (error == 0) {
        !          1307:                struct timeval tv;
        !          1308:                getmicrouptime(&tv);
        !          1309:                *(time_t *)retval = hpux_scale(&tv);
        !          1310:        }
        !          1311:        return (error);
        !          1312: }
        !          1313:
        !          1314: /*
        !          1315:  * Doesn't exactly do what the documentation says.
        !          1316:  * What we really do is return 1/HPUX_HZ-th of a second since that
        !          1317:  * is what HP-UX returns.
        !          1318:  */
        !          1319: static int
        !          1320: hpux_scale(tvp)
        !          1321:        struct timeval *tvp;
        !          1322: {
        !          1323:        return (tvp->tv_sec * HPUX_HZ + tvp->tv_usec * HPUX_HZ / 1000000);
        !          1324: }
        !          1325:
        !          1326: /*
        !          1327:  * Set IUPD and IACC times on file.
        !          1328:  * Can't set ICHG.
        !          1329:  */
        !          1330: int
        !          1331: hpux_sys_utime_6x(p, v, retval)
        !          1332:        struct proc *p;
        !          1333:        void *v;
        !          1334:        register_t *retval;
        !          1335: {
        !          1336:        struct hpux_sys_utime_6x_args /* {
        !          1337:                syscallarg(char *) fname;
        !          1338:                syscallarg(time_t *) tptr;
        !          1339:        } */ *uap = v;
        !          1340:        struct vnode *vp;
        !          1341:        struct vattr vattr;
        !          1342:        time_t tv[2];
        !          1343:        int error;
        !          1344:        struct nameidata nd;
        !          1345:
        !          1346:        if (SCARG(uap, tptr)) {
        !          1347:                error = copyin((caddr_t)SCARG(uap, tptr), (caddr_t)tv,
        !          1348:                    sizeof (tv));
        !          1349:                if (error)
        !          1350:                        return (error);
        !          1351:        } else
        !          1352:                tv[0] = tv[1] = time_second;
        !          1353:        vattr_null(&vattr);
        !          1354:        vattr.va_atime.tv_sec = tv[0];
        !          1355:        vattr.va_atime.tv_nsec = 0;
        !          1356:        vattr.va_mtime.tv_sec = tv[1];
        !          1357:        vattr.va_mtime.tv_nsec = 0;
        !          1358:        NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
        !          1359:            SCARG(uap, fname), p);
        !          1360:        if ((error = namei(&nd)))
        !          1361:                return (error);
        !          1362:        vp = nd.ni_vp;
        !          1363:        if (vp->v_mount->mnt_flag & MNT_RDONLY)
        !          1364:                error = EROFS;
        !          1365:        else
        !          1366:                error = VOP_SETATTR(vp, &vattr, nd.ni_cnd.cn_cred, p);
        !          1367:        vput(vp);
        !          1368:        return (error);
        !          1369: }
        !          1370:
        !          1371: int
        !          1372: hpux_sys_pause_6x(p, v, retval)
        !          1373:        struct proc *p;
        !          1374:        void *v;
        !          1375:        register_t *retval;
        !          1376: {
        !          1377:        struct sys_sigsuspend_args bsa;
        !          1378:
        !          1379:        SCARG(&bsa, mask) = p->p_sigmask;
        !          1380:        return (sys_sigsuspend(p, &bsa, retval));
        !          1381: }

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