ultrix_misc.c revision 1.69
1 /* $NetBSD: ultrix_misc.c,v 1.69 2001/05/30 11:37:33 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 1995, 1997 Jonathan Stone (hereinafter referred to as the author) 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jonathan Stone for 18 * the NetBSD Project. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /* 36 * Copyright (c) 1992, 1993 37 * The Regents of the University of California. All rights reserved. 38 * 39 * This software was developed by the Computer Systems Engineering group 40 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 41 * contributed to Berkeley. 42 * 43 * All advertising materials mentioning features or use of this software 44 * must display the following acknowledgement: 45 * This product includes software developed by the University of 46 * California, Lawrence Berkeley Laboratory. 47 * 48 * Redistribution and use in source and binary forms, with or without 49 * modification, are permitted provided that the following conditions 50 * are met: 51 * 1. Redistributions of source code must retain the above copyright 52 * notice, this list of conditions and the following disclaimer. 53 * 2. Redistributions in binary form must reproduce the above copyright 54 * notice, this list of conditions and the following disclaimer in the 55 * documentation and/or other materials provided with the distribution. 56 * 3. All advertising materials mentioning features or use of this software 57 * must display the following acknowledgement: 58 * This product includes software developed by the University of 59 * California, Berkeley and its contributors. 60 * 4. Neither the name of the University nor the names of its contributors 61 * may be used to endorse or promote products derived from this software 62 * without specific prior written permission. 63 * 64 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 65 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 66 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 67 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 68 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 69 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 70 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 71 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 72 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 73 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 74 * SUCH DAMAGE. 75 * 76 * 77 * @(#)sun_misc.c 8.1 (Berkeley) 6/18/93 78 * 79 * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 80 */ 81 82 #if defined(_KERNEL_OPT) 83 #include "opt_nfsserver.h" 84 #include "opt_sysv.h" 85 #endif 86 87 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 88 89 /* 90 * Ultrix compatibility module. 91 * 92 * Ultrix system calls that are implemented differently in BSD are 93 * handled here. 94 */ 95 96 #if defined(_KERNEL_OPT) 97 #include "fs_nfs.h" 98 #endif 99 100 #include <sys/param.h> 101 #include <sys/systm.h> 102 #include <sys/namei.h> 103 #include <sys/dirent.h> 104 #include <sys/proc.h> 105 #include <sys/file.h> 106 #include <sys/filedesc.h> 107 #include <sys/kernel.h> 108 #include <sys/exec.h> 109 #include <sys/malloc.h> 110 #include <sys/mbuf.h> 111 #include <sys/mman.h> 112 #include <sys/mount.h> 113 #include <sys/resource.h> 114 #include <sys/resourcevar.h> 115 #include <sys/signal.h> 116 #include <sys/signalvar.h> 117 #include <sys/socket.h> 118 #include <sys/vnode.h> 119 #include <sys/uio.h> 120 #include <sys/wait.h> 121 #include <sys/utsname.h> 122 #include <sys/unistd.h> 123 #include <sys/ipc.h> 124 125 #include <sys/syscallargs.h> 126 127 #include <compat/ultrix/ultrix_syscall.h> 128 #include <compat/ultrix/ultrix_syscallargs.h> 129 #include <compat/common/compat_util.h> 130 131 #include <netinet/in.h> 132 133 #include <miscfs/specfs/specdev.h> 134 135 #include <nfs/rpcv2.h> 136 #include <nfs/nfsproto.h> 137 #include <nfs/nfs.h> 138 139 #include <sys/conf.h> /* iszerodev() */ 140 #include <sys/socketvar.h> /* sosetopt() */ 141 142 #include <compat/ultrix/ultrix_flock.h> 143 144 #ifdef __mips 145 #include <mips/cachectl.h> 146 #endif 147 148 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 149 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 150 151 extern struct sysent ultrix_sysent[]; 152 extern const char * const ultrix_syscallnames[]; 153 154 #if 0 155 /* XXX what executable format does Ultrix/vax use ? */ 156 /* 157 * Select the appropriate setregs callback for the target architecture. 158 */ 159 #ifdef __mips__ 160 #include <machine/ecoff_machdep.h> 161 #define ULTRIX_EXEC_SETREGS cpu_exec_ecoff_setregs 162 #endif /* mips */ 163 164 #ifdef __vax__ 165 #define ULTRIX_EXEC_SETREGS setregs 166 #endif /* vax */ 167 #endif 168 169 extern char ultrix_sigcode[], ultrix_esigcode[]; 170 #ifdef __HAVE_SYSCALL_INTERN 171 void syscall_intern(struct proc *); 172 #else 173 void syscall __P((void)); 174 #endif 175 176 const struct emul emul_ultrix = { 177 "ultrix", 178 "/emul/ultrix", 179 #ifndef __HAVE_MINIMAL_EMUL 180 0, 181 NULL, 182 ULTRIX_SYS_syscall, 183 ULTRIX_SYS_MAXSYSCALL, 184 #endif 185 ultrix_sysent, 186 ultrix_syscallnames, 187 sendsig, 188 ultrix_sigcode, 189 ultrix_esigcode, 190 NULL, 191 NULL, 192 NULL, 193 #ifdef __HAVE_SYSCALL_INTERN 194 syscall_intern, 195 #else 196 syscall, 197 #endif 198 }; 199 200 #define GSI_PROG_ENV 1 201 202 int 203 ultrix_sys_getsysinfo(p, v, retval) 204 struct proc *p; 205 void *v; 206 register_t *retval; 207 { 208 struct ultrix_sys_getsysinfo_args *uap = v; 209 static short progenv = 0; 210 211 switch (SCARG(uap, op)) { 212 /* operations implemented: */ 213 case GSI_PROG_ENV: 214 if (SCARG(uap, nbytes) < sizeof(short)) 215 return EINVAL; 216 *retval = 1; 217 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 218 default: 219 *retval = 0; /* info unavail */ 220 return 0; 221 } 222 } 223 224 int 225 ultrix_sys_setsysinfo(p, v, retval) 226 struct proc *p; 227 void *v; 228 register_t *retval; 229 { 230 231 #ifdef notyet 232 struct ultrix_sys_setsysinfo_args *uap = v; 233 #endif 234 235 *retval = 0; 236 return 0; 237 } 238 239 int 240 ultrix_sys_waitpid(p, v, retval) 241 struct proc *p; 242 void *v; 243 register_t *retval; 244 { 245 struct ultrix_sys_waitpid_args *uap = v; 246 struct sys_wait4_args ua; 247 248 SCARG(&ua, pid) = SCARG(uap, pid); 249 SCARG(&ua, status) = SCARG(uap, status); 250 SCARG(&ua, options) = SCARG(uap, options); 251 SCARG(&ua, rusage) = 0; 252 253 return (sys_wait4(p, &ua, retval)); 254 } 255 256 int 257 ultrix_sys_wait3(p, v, retval) 258 struct proc *p; 259 void *v; 260 register_t *retval; 261 { 262 struct ultrix_sys_wait3_args *uap = v; 263 struct sys_wait4_args ua; 264 265 SCARG(&ua, pid) = -1; 266 SCARG(&ua, status) = SCARG(uap, status); 267 SCARG(&ua, options) = SCARG(uap, options); 268 SCARG(&ua, rusage) = SCARG(uap, rusage); 269 270 return (sys_wait4(p, &ua, retval)); 271 } 272 273 /* 274 * Ultrix binaries pass in FD_MAX as the first arg to select(). 275 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 276 * can handle. 277 * Since we can't have more than the (native) FD_MAX descriptors open, 278 * limit nfds to at most FD_MAX. 279 */ 280 int 281 ultrix_sys_select(p, v, retval) 282 struct proc *p; 283 void *v; 284 register_t *retval; 285 { 286 struct sys_select_args *uap = v; 287 struct timeval atv; 288 int error; 289 290 /* Limit number of FDs selected on to the native maximum */ 291 292 if (SCARG(uap, nd) > FD_SETSIZE) 293 SCARG(uap, nd) = FD_SETSIZE; 294 295 /* Check for negative timeval */ 296 if (SCARG(uap, tv)) { 297 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 298 sizeof(atv)); 299 if (error) 300 goto done; 301 #ifdef DEBUG 302 /* Ultrix clients sometimes give negative timeouts? */ 303 if (atv.tv_sec < 0 || atv.tv_usec < 0) 304 printf("ultrix select( %ld, %ld): negative timeout\n", 305 atv.tv_sec, atv.tv_usec); 306 /*tvp = (timeval *)STACKGAPBASE;*/ 307 #endif 308 309 } 310 error = sys_select(p, (void*) uap, retval); 311 if (error == EINVAL) 312 printf("ultrix select: bad args?\n"); 313 314 done: 315 return error; 316 } 317 318 #if defined(NFS) 319 int 320 async_daemon(p, v, retval) 321 struct proc *p; 322 void *v; 323 register_t *retval; 324 { 325 struct sys_nfssvc_args ouap; 326 327 SCARG(&ouap, flag) = NFSSVC_BIOD; 328 SCARG(&ouap, argp) = NULL; 329 330 return (sys_nfssvc(p, &ouap, retval)); 331 } 332 #endif /* NFS */ 333 334 335 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 336 337 int 338 ultrix_sys_mmap(p, v, retval) 339 struct proc *p; 340 void *v; 341 register_t *retval; 342 { 343 struct ultrix_sys_mmap_args *uap = v; 344 struct sys_mmap_args ouap; 345 struct filedesc *fdp; 346 struct file *fp; 347 struct vnode *vp; 348 349 /* 350 * Verify the arguments. 351 */ 352 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 353 return (EINVAL); /* XXX still needed? */ 354 355 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 356 return (EINVAL); 357 358 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 359 SCARG(&ouap, addr) = SCARG(uap, addr); 360 361 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 362 SCARG(&ouap, addr) != 0 && 363 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 364 SCARG(&ouap, addr) = (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 365 366 SCARG(&ouap, len) = SCARG(uap, len); 367 SCARG(&ouap, prot) = SCARG(uap, prot); 368 SCARG(&ouap, fd) = SCARG(uap, fd); 369 SCARG(&ouap, pos) = SCARG(uap, pos); 370 371 /* 372 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 373 */ 374 fdp = p->p_fd; 375 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 376 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 377 fp->f_type == DTYPE_VNODE && /*XXX*/ 378 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 379 iszerodev(vp->v_rdev)) { /*XXX*/ 380 SCARG(&ouap, flags) |= MAP_ANON; 381 SCARG(&ouap, fd) = -1; 382 } 383 384 return (sys_mmap(p, &ouap, retval)); 385 } 386 387 int 388 ultrix_sys_setsockopt(p, v, retval) 389 struct proc *p; 390 void *v; 391 register_t *retval; 392 { 393 struct ultrix_sys_setsockopt_args *uap = v; 394 struct file *fp; 395 struct mbuf *m = NULL; 396 int error; 397 398 /* getsock() will use the descriptor for us */ 399 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 400 return (error); 401 #define SO_DONTLINGER (~SO_LINGER) 402 if (SCARG(uap, name) == SO_DONTLINGER) { 403 m = m_get(M_WAIT, MT_SOOPTS); 404 mtod(m, struct linger *)->l_onoff = 0; 405 m->m_len = sizeof(struct linger); 406 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 407 SO_LINGER, m); 408 } 409 if (SCARG(uap, level) == IPPROTO_IP) { 410 #define EMUL_IP_MULTICAST_IF 2 411 #define EMUL_IP_MULTICAST_TTL 3 412 #define EMUL_IP_MULTICAST_LOOP 4 413 #define EMUL_IP_ADD_MEMBERSHIP 5 414 #define EMUL_IP_DROP_MEMBERSHIP 6 415 static int ipoptxlat[] = { 416 IP_MULTICAST_IF, 417 IP_MULTICAST_TTL, 418 IP_MULTICAST_LOOP, 419 IP_ADD_MEMBERSHIP, 420 IP_DROP_MEMBERSHIP 421 }; 422 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 423 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 424 SCARG(uap, name) = 425 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 426 } 427 } 428 if (SCARG(uap, valsize) > MLEN) { 429 error = EINVAL; 430 goto out; 431 } 432 if (SCARG(uap, val)) { 433 m = m_get(M_WAIT, MT_SOOPTS); 434 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 435 (u_int)SCARG(uap, valsize)); 436 if (error) { 437 (void) m_free(m); 438 goto out; 439 } 440 m->m_len = SCARG(uap, valsize); 441 } 442 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 443 SCARG(uap, name), m); 444 out: 445 FILE_UNUSE(fp, p); 446 return (error); 447 } 448 449 #define ULTRIX__SYS_NMLN 32 450 451 struct ultrix_utsname { 452 char sysname[ULTRIX__SYS_NMLN]; 453 char nodename[ULTRIX__SYS_NMLN]; 454 char release[ULTRIX__SYS_NMLN]; 455 char version[ULTRIX__SYS_NMLN]; 456 char machine[ULTRIX__SYS_NMLN]; 457 }; 458 459 int 460 ultrix_sys_uname(p, v, retval) 461 struct proc *p; 462 void *v; 463 register_t *retval; 464 { 465 struct ultrix_sys_uname_args *uap = v; 466 struct ultrix_utsname sut; 467 const char *cp; 468 char *dp, *ep; 469 470 memset(&sut, 0, sizeof(sut)); 471 472 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 473 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 474 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 475 dp = sut.version; 476 ep = &sut.version[sizeof(sut.version) - 1]; 477 for (cp = version; *cp && *cp != '('; cp++) 478 ; 479 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 480 *dp++ = *cp; 481 for (; *cp && *cp != '#'; cp++) 482 ; 483 for (; *cp && *cp != ':' && dp < ep; cp++) 484 *dp++ = *cp; 485 *dp = '\0'; 486 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 487 488 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 489 sizeof(struct ultrix_utsname)); 490 } 491 492 int 493 ultrix_sys_setpgrp(p, v, retval) 494 struct proc *p; 495 void *v; 496 register_t *retval; 497 { 498 struct ultrix_sys_setpgrp_args *uap = v; 499 500 /* 501 * difference to our setpgid call is to include backwards 502 * compatibility to pre-setsid() binaries. Do setsid() 503 * instead of setpgid() in those cases where the process 504 * tries to create a new session the old way. 505 */ 506 if (!SCARG(uap, pgid) && 507 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 508 return sys_setsid(p, uap, retval); 509 else 510 return sys_setpgid(p, uap, retval); 511 } 512 513 #if defined (NFSSERVER) 514 int 515 ultrix_sys_nfssvc(p, v, retval) 516 struct proc *p; 517 void *v; 518 register_t *retval; 519 { 520 521 #if 0 /* XXX */ 522 struct ultrix_sys_nfssvc_args *uap = v; 523 struct emul *e = p->p_emul; 524 struct sys_nfssvc_args outuap; 525 struct sockaddr sa; 526 int error; 527 528 memset(&outuap, 0, sizeof outuap); 529 SCARG(&outuap, fd) = SCARG(uap, fd); 530 SCARG(&outuap, mskval) = STACKGAPBASE; 531 SCARG(&outuap, msklen) = sizeof sa; 532 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 533 SCARG(&outuap, mtchlen) = sizeof sa; 534 535 memset(&sa, 0, sizeof sa); 536 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 537 return (error); 538 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 539 return (error); 540 541 return nfssvc(p, &outuap, retval); 542 #else 543 return (ENOSYS); 544 #endif 545 } 546 #endif /* NFSSERVER */ 547 548 struct ultrix_ustat { 549 daddr_t f_tfree; /* total free */ 550 ino_t f_tinode; /* total inodes free */ 551 char f_fname[6]; /* filsys name */ 552 char f_fpack[6]; /* filsys pack name */ 553 }; 554 555 int 556 ultrix_sys_ustat(p, v, retval) 557 struct proc *p; 558 void *v; 559 register_t *retval; 560 { 561 struct ultrix_sys_ustat_args *uap = v; 562 struct ultrix_ustat us; 563 int error; 564 565 memset(&us, 0, sizeof us); 566 567 /* 568 * XXX: should set f_tfree and f_tinode at least 569 * How do we translate dev -> fstat? (and then to ultrix_ustat) 570 */ 571 572 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 573 return (error); 574 return 0; 575 } 576 577 int 578 ultrix_sys_quotactl(p, v, retval) 579 struct proc *p; 580 void *v; 581 register_t *retval; 582 { 583 584 #ifdef notyet 585 struct ultrix_sys_quotactl_args *uap = v; 586 #endif 587 588 return EINVAL; 589 } 590 591 int 592 ultrix_sys_vhangup(p, v, retval) 593 struct proc *p; 594 void *v; 595 register_t *retval; 596 { 597 598 return 0; 599 } 600 601 602 /* 603 * RISC Ultrix cache control syscalls 604 */ 605 #ifdef __mips 606 int 607 ultrix_sys_cacheflush(p, v, retval) 608 struct proc *p; 609 void *v; 610 register_t *retval; 611 { 612 struct ultrix_sys_cacheflush_args /* { 613 syscallarg(void *) addr; 614 syscallarg(int) nbytes; 615 syscallarg(int) flag; 616 } */ *uap = v; 617 vaddr_t va = (vaddr_t)SCARG(uap, addr); 618 int nbytes = SCARG(uap, nbytes); 619 int whichcache = SCARG(uap, whichcache); 620 621 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 622 } 623 624 625 int 626 ultrix_sys_cachectl(p, v, retval) 627 struct proc *p; 628 void *v; 629 register_t *retval; 630 { 631 struct ultrix_sys_cachectl_args /* { 632 syscallarg(void *) addr; 633 syscallarg(int) nbytes; 634 syscallarg(int) cacheop; 635 } */ *uap = v; 636 vaddr_t va = (vaddr_t)SCARG(uap, addr); 637 int nbytes = SCARG(uap, nbytes); 638 int cacheop = SCARG(uap, cacheop); 639 640 return mips_user_cachectl(p, va, nbytes, cacheop); 641 } 642 643 #endif /* __mips */ 644 645 646 int 647 ultrix_sys_exportfs(p, v, retval) 648 struct proc *p; 649 void *v; 650 register_t *retval; 651 { 652 #ifdef notyet 653 struct ultrix_sys_exportfs_args *uap = v; 654 #endif 655 656 /* 657 * XXX: should perhaps translate into a mount(2) 658 * with MOUNT_EXPORT? 659 */ 660 return 0; 661 } 662 663 int 664 ultrix_sys_sigpending(p, v, retval) 665 struct proc *p; 666 void *v; 667 register_t *retval; 668 { 669 struct ultrix_sys_sigpending_args *uap = v; 670 sigset_t ss; 671 int mask; 672 673 sigpending1(p, &ss); 674 mask = ss.__bits[0]; 675 676 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 677 } 678 679 int 680 ultrix_sys_sigreturn(p, v, retval) 681 struct proc *p; 682 void *v; 683 register_t *retval; 684 { 685 struct ultrix_sys_sigreturn_args *uap = v; 686 687 /* struct sigcontext13 is close enough to Ultrix */ 688 689 return (compat_13_sys_sigreturn(p, uap, retval)); 690 } 691 692 int 693 ultrix_sys_sigcleanup(p, v, retval) 694 struct proc *p; 695 void *v; 696 register_t *retval; 697 { 698 struct ultrix_sys_sigcleanup_args *uap = v; 699 700 /* struct sigcontext13 is close enough to Ultrix */ 701 702 return (compat_13_sys_sigreturn(p, uap, retval)); 703 } 704 705 int 706 ultrix_sys_sigsuspend(p, v, retval) 707 struct proc *p; 708 void *v; 709 register_t *retval; 710 { 711 struct ultrix_sys_sigsuspend_args *uap = v; 712 int mask = SCARG(uap, mask); 713 sigset_t ss; 714 715 ss.__bits[0] = mask; 716 ss.__bits[1] = 0; 717 ss.__bits[2] = 0; 718 ss.__bits[3] = 0; 719 720 return (sigsuspend1(p, &ss)); 721 } 722 723 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 724 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 725 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 726 727 int 728 ultrix_sys_sigvec(p, v, retval) 729 struct proc *p; 730 void *v; 731 register_t *retval; 732 { 733 struct ultrix_sys_sigvec_args *uap = v; 734 struct sigvec nsv, osv; 735 struct sigaction nsa, osa; 736 int error; 737 738 if (SCARG(uap, nsv)) { 739 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 740 if (error) 741 return (error); 742 nsa.sa_handler = nsv.sv_handler; 743 #if 0 /* documentation */ 744 /* ONSTACK is identical */ 745 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 746 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 747 /* old signal() - always restart */ 748 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 749 /* inverted meaning (same bit) */ 750 ) 751 nsa.sa_flags |= SA_RESTART; 752 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 753 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 754 nsa.sa_flags ^= SA_RESTART; 755 #endif 756 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 757 } 758 error = sigaction1(p, SCARG(uap, signum), 759 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0); 760 if (error) 761 return (error); 762 if (SCARG(uap, osv)) { 763 osv.sv_handler = osa.sa_handler; 764 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 765 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 766 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 767 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 768 if (error) 769 return (error); 770 } 771 return (0); 772 } 773 774 int 775 ultrix_sys_shmsys(p, v, retval) 776 struct proc *p; 777 void *v; 778 register_t *retval; 779 { 780 781 #ifdef SYSVSHM 782 783 /* Ultrix SVSHM weirndess: */ 784 struct ultrix_sys_shmsys_args *uap = v; 785 struct sys_shmat_args shmat_args; 786 struct compat_14_sys_shmctl_args shmctl_args; 787 struct sys_shmdt_args shmdt_args; 788 struct sys_shmget_args shmget_args; 789 790 791 switch (SCARG(uap, shmop)) { 792 case 0: /* Ultrix shmat() */ 793 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 794 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 795 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 796 return (sys_shmat(p, &shmat_args, retval)); 797 798 case 1: /* Ultrix shmctl() */ 799 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 800 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 801 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 802 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 803 804 case 2: /* Ultrix shmdt() */ 805 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 806 return (sys_shmdt(p, &shmdt_args, retval)); 807 808 case 3: /* Ultrix shmget() */ 809 SCARG(&shmget_args, key) = SCARG(uap, a2); 810 SCARG(&shmget_args, size) = SCARG(uap, a3); 811 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 812 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 813 return (sys_shmget(p, &shmget_args, retval)); 814 815 default: 816 return (EINVAL); 817 } 818 #else 819 return (EOPNOTSUPP); 820 #endif /* SYSVSHM */ 821 } 822 823 static int 824 ultrix_to_bsd_flock(ufl, fl) 825 struct ultrix_flock *ufl; 826 struct flock *fl; 827 { 828 829 fl->l_start = ufl->l_start; 830 fl->l_len = ufl->l_len; 831 fl->l_pid = ufl->l_pid; 832 fl->l_whence = ufl->l_whence; 833 834 switch (ufl->l_type) { 835 case ULTRIX_F_RDLCK: 836 fl->l_type = F_RDLCK; 837 break; 838 case ULTRIX_F_WRLCK: 839 fl->l_type = F_WRLCK; 840 break; 841 case ULTRIX_F_UNLCK: 842 fl->l_type = F_UNLCK; 843 break; 844 default: 845 return (EINVAL); 846 } 847 848 return (0); 849 } 850 851 static void 852 bsd_to_ultrix_flock(fl, ufl) 853 struct flock *fl; 854 struct ultrix_flock *ufl; 855 { 856 857 ufl->l_start = fl->l_start; 858 ufl->l_len = fl->l_len; 859 ufl->l_pid = fl->l_pid; 860 ufl->l_whence = fl->l_whence; 861 862 switch (fl->l_type) { 863 case F_RDLCK: 864 ufl->l_type = ULTRIX_F_RDLCK; 865 break; 866 case F_WRLCK: 867 ufl->l_type = ULTRIX_F_WRLCK; 868 break; 869 case F_UNLCK: 870 ufl->l_type = ULTRIX_F_UNLCK; 871 break; 872 } 873 } 874 875 int 876 ultrix_sys_fcntl(p, v, retval) 877 struct proc *p; 878 void *v; 879 register_t *retval; 880 { 881 struct ultrix_sys_fcntl_args *uap = v; 882 int error; 883 struct ultrix_flock ufl; 884 struct flock fl, *flp; 885 caddr_t sg; 886 struct sys_fcntl_args *args, fca; 887 888 switch (SCARG(uap, cmd)) { 889 case F_GETLK: 890 case F_SETLK: 891 case F_SETLKW: 892 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 893 if (error) 894 return (error); 895 error = ultrix_to_bsd_flock(&ufl, &fl); 896 if (error) 897 return (error); 898 sg = stackgap_init(p->p_emul); 899 flp = (struct flock *)stackgap_alloc(&sg, sizeof(*flp)); 900 error = copyout(&fl, flp, sizeof(*flp)); 901 if (error) 902 return (error); 903 904 SCARG(&fca, fd) = SCARG(uap, fd); 905 SCARG(&fca, cmd) = SCARG(uap, cmd); 906 SCARG(&fca, arg) = flp; 907 args = &fca; 908 break; 909 default: 910 args = v; 911 break; 912 } 913 914 error = sys_fcntl(p, args, retval); 915 if (error) 916 return (error); 917 918 switch (SCARG(uap, cmd)) { 919 case F_GETLK: 920 error = copyin(flp, &fl, sizeof(fl)); 921 if (error) 922 return (error); 923 bsd_to_ultrix_flock(&fl, &ufl); 924 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 925 break; 926 } 927 928 return (error); 929 } 930
Indexes created Tue Sep 23 07:09:52 GMT 2025