ultrix_misc.c revision 1.91
1 /* $NetBSD: ultrix_misc.c,v 1.91 2003/12/20 18:22:19 manu 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. Neither the name of the University nor the names of its contributors 57 * may be used to endorse or promote products derived from this software 58 * without specific prior written permission. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 * 72 * 73 * @(#)sun_misc.c 8.1 (Berkeley) 6/18/93 74 * 75 * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 76 */ 77 78 #include <sys/cdefs.h> 79 __KERNEL_RCSID(0, "$NetBSD: ultrix_misc.c,v 1.91 2003/12/20 18:22:19 manu Exp $"); 80 81 #if defined(_KERNEL_OPT) 82 #include "opt_nfsserver.h" 83 #include "opt_sysv.h" 84 #endif 85 86 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 87 88 /* 89 * Ultrix compatibility module. 90 * 91 * Ultrix system calls that are implemented differently in BSD are 92 * handled here. 93 */ 94 95 #if defined(_KERNEL_OPT) 96 #include "fs_nfs.h" 97 #endif 98 99 #include <sys/param.h> 100 #include <sys/systm.h> 101 #include <sys/namei.h> 102 #include <sys/dirent.h> 103 #include <sys/proc.h> 104 #include <sys/file.h> 105 #include <sys/filedesc.h> 106 #include <sys/kernel.h> 107 #include <sys/exec.h> 108 #include <sys/malloc.h> 109 #include <sys/mbuf.h> 110 #include <sys/mman.h> 111 #include <sys/mount.h> 112 #include <sys/resource.h> 113 #include <sys/resourcevar.h> 114 #include <sys/signal.h> 115 #include <sys/signalvar.h> 116 #include <sys/socket.h> 117 #include <sys/vnode.h> 118 #include <sys/uio.h> 119 #include <sys/wait.h> 120 #include <sys/utsname.h> 121 #include <sys/unistd.h> 122 #include <sys/ipc.h> 123 124 #include <sys/sa.h> 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/socketvar.h> /* sosetopt() */ 140 141 #include <compat/ultrix/ultrix_flock.h> 142 143 #ifdef __mips 144 #include <mips/cachectl.h> 145 #endif 146 147 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 148 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 149 150 extern struct sysent ultrix_sysent[]; 151 extern const char * const ultrix_syscallnames[]; 152 extern char ultrix_sigcode[], ultrix_esigcode[]; 153 #ifdef __HAVE_SYSCALL_INTERN 154 void syscall_intern(struct proc *); 155 #else 156 void syscall __P((void)); 157 #endif 158 159 struct uvm_object *emul_ultrix_object; 160 161 const struct emul emul_ultrix = { 162 "ultrix", 163 "/emul/ultrix", 164 #ifndef __HAVE_MINIMAL_EMUL 165 0, 166 NULL, 167 ULTRIX_SYS_syscall, 168 ULTRIX_SYS_NSYSENT, 169 #endif 170 ultrix_sysent, 171 ultrix_syscallnames, 172 sendsig, 173 trapsignal, 174 ultrix_sigcode, 175 ultrix_esigcode, 176 &emul_ultrix_object, 177 setregs, 178 NULL, 179 NULL, 180 NULL, 181 NULL, 182 NULL, 183 #ifdef __HAVE_SYSCALL_INTERN 184 syscall_intern, 185 #else 186 syscall, 187 #endif 188 NULL, 189 NULL, 190 }; 191 192 #define GSI_PROG_ENV 1 193 194 int 195 ultrix_sys_getsysinfo(l, v, retval) 196 struct lwp *l; 197 void *v; 198 register_t *retval; 199 { 200 struct ultrix_sys_getsysinfo_args *uap = v; 201 static short progenv = 0; 202 203 switch (SCARG(uap, op)) { 204 /* operations implemented: */ 205 case GSI_PROG_ENV: 206 if (SCARG(uap, nbytes) < sizeof(short)) 207 return EINVAL; 208 *retval = 1; 209 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 210 default: 211 *retval = 0; /* info unavail */ 212 return 0; 213 } 214 } 215 216 int 217 ultrix_sys_setsysinfo(l, v, retval) 218 struct lwp *l; 219 void *v; 220 register_t *retval; 221 { 222 223 #ifdef notyet 224 struct ultrix_sys_setsysinfo_args *uap = v; 225 #endif 226 227 *retval = 0; 228 return 0; 229 } 230 231 int 232 ultrix_sys_waitpid(l, v, retval) 233 struct lwp *l; 234 void *v; 235 register_t *retval; 236 { 237 struct ultrix_sys_waitpid_args *uap = v; 238 struct sys_wait4_args ua; 239 240 SCARG(&ua, pid) = SCARG(uap, pid); 241 SCARG(&ua, status) = SCARG(uap, status); 242 SCARG(&ua, options) = SCARG(uap, options); 243 SCARG(&ua, rusage) = 0; 244 245 return (sys_wait4(l, &ua, retval)); 246 } 247 248 int 249 ultrix_sys_wait3(l, v, retval) 250 struct lwp *l; 251 void *v; 252 register_t *retval; 253 { 254 struct ultrix_sys_wait3_args *uap = v; 255 struct sys_wait4_args ua; 256 257 SCARG(&ua, pid) = -1; 258 SCARG(&ua, status) = SCARG(uap, status); 259 SCARG(&ua, options) = SCARG(uap, options); 260 SCARG(&ua, rusage) = SCARG(uap, rusage); 261 262 return (sys_wait4(l, &ua, retval)); 263 } 264 265 /* 266 * Ultrix binaries pass in FD_MAX as the first arg to select(). 267 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 268 * can handle. 269 * Since we can't have more than the (native) FD_MAX descriptors open, 270 * limit nfds to at most FD_MAX. 271 */ 272 int 273 ultrix_sys_select(l, v, retval) 274 struct lwp *l; 275 void *v; 276 register_t *retval; 277 { 278 struct sys_select_args *uap = v; 279 struct timeval atv; 280 int error; 281 282 /* Limit number of FDs selected on to the native maximum */ 283 284 if (SCARG(uap, nd) > FD_SETSIZE) 285 SCARG(uap, nd) = FD_SETSIZE; 286 287 /* Check for negative timeval */ 288 if (SCARG(uap, tv)) { 289 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 290 sizeof(atv)); 291 if (error) 292 goto done; 293 #ifdef DEBUG 294 /* Ultrix clients sometimes give negative timeouts? */ 295 if (atv.tv_sec < 0 || atv.tv_usec < 0) 296 printf("ultrix select( %ld, %ld): negative timeout\n", 297 atv.tv_sec, atv.tv_usec); 298 #endif 299 300 } 301 error = sys_select(l, (void*) uap, retval); 302 if (error == EINVAL) 303 printf("ultrix select: bad args?\n"); 304 305 done: 306 return error; 307 } 308 309 #if defined(NFS) 310 int 311 async_daemon(l, v, retval) 312 struct lwp *l; 313 void *v; 314 register_t *retval; 315 { 316 struct sys_nfssvc_args ouap; 317 318 SCARG(&ouap, flag) = NFSSVC_BIOD; 319 SCARG(&ouap, argp) = NULL; 320 321 return (sys_nfssvc(l, &ouap, retval)); 322 } 323 #endif /* NFS */ 324 325 326 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 327 328 int 329 ultrix_sys_mmap(l, v, retval) 330 struct lwp *l; 331 void *v; 332 register_t *retval; 333 { 334 struct ultrix_sys_mmap_args *uap = v; 335 struct sys_mmap_args ouap; 336 337 /* 338 * Verify the arguments. 339 */ 340 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 341 return (EINVAL); /* XXX still needed? */ 342 343 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 344 return (EINVAL); 345 346 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 347 SCARG(&ouap, addr) = SCARG(uap, addr); 348 SCARG(&ouap, len) = SCARG(uap, len); 349 SCARG(&ouap, prot) = SCARG(uap, prot); 350 SCARG(&ouap, fd) = SCARG(uap, fd); 351 SCARG(&ouap, pos) = SCARG(uap, pos); 352 353 return (sys_mmap(l, &ouap, retval)); 354 } 355 356 int 357 ultrix_sys_setsockopt(l, v, retval) 358 struct lwp *l; 359 void *v; 360 register_t *retval; 361 { 362 struct ultrix_sys_setsockopt_args *uap = v; 363 struct proc *p = l->l_proc; 364 struct file *fp; 365 struct mbuf *m = NULL; 366 int error; 367 368 /* getsock() will use the descriptor for us */ 369 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 370 return (error); 371 #define SO_DONTLINGER (~SO_LINGER) 372 if (SCARG(uap, name) == SO_DONTLINGER) { 373 m = m_get(M_WAIT, MT_SOOPTS); 374 mtod(m, struct linger *)->l_onoff = 0; 375 m->m_len = sizeof(struct linger); 376 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 377 SO_LINGER, m); 378 } 379 if (SCARG(uap, level) == IPPROTO_IP) { 380 #define EMUL_IP_MULTICAST_IF 2 381 #define EMUL_IP_MULTICAST_TTL 3 382 #define EMUL_IP_MULTICAST_LOOP 4 383 #define EMUL_IP_ADD_MEMBERSHIP 5 384 #define EMUL_IP_DROP_MEMBERSHIP 6 385 static int ipoptxlat[] = { 386 IP_MULTICAST_IF, 387 IP_MULTICAST_TTL, 388 IP_MULTICAST_LOOP, 389 IP_ADD_MEMBERSHIP, 390 IP_DROP_MEMBERSHIP 391 }; 392 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 393 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 394 SCARG(uap, name) = 395 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 396 } 397 } 398 if (SCARG(uap, valsize) > MLEN) { 399 error = EINVAL; 400 goto out; 401 } 402 if (SCARG(uap, val)) { 403 m = m_get(M_WAIT, MT_SOOPTS); 404 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 405 (u_int)SCARG(uap, valsize)); 406 if (error) { 407 (void) m_free(m); 408 goto out; 409 } 410 m->m_len = SCARG(uap, valsize); 411 } 412 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 413 SCARG(uap, name), m); 414 out: 415 FILE_UNUSE(fp, p); 416 return (error); 417 } 418 419 #define ULTRIX__SYS_NMLN 32 420 421 struct ultrix_utsname { 422 char sysname[ULTRIX__SYS_NMLN]; 423 char nodename[ULTRIX__SYS_NMLN]; 424 char release[ULTRIX__SYS_NMLN]; 425 char version[ULTRIX__SYS_NMLN]; 426 char machine[ULTRIX__SYS_NMLN]; 427 }; 428 429 int 430 ultrix_sys_uname(l, v, retval) 431 struct lwp *l; 432 void *v; 433 register_t *retval; 434 { 435 struct ultrix_sys_uname_args *uap = v; 436 struct ultrix_utsname sut; 437 const char *cp; 438 char *dp, *ep; 439 440 memset(&sut, 0, sizeof(sut)); 441 442 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 443 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 444 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 445 dp = sut.version; 446 ep = &sut.version[sizeof(sut.version) - 1]; 447 for (cp = version; *cp && *cp != '('; cp++) 448 ; 449 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 450 *dp++ = *cp; 451 for (; *cp && *cp != '#'; cp++) 452 ; 453 for (; *cp && *cp != ':' && dp < ep; cp++) 454 *dp++ = *cp; 455 *dp = '\0'; 456 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 457 458 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 459 sizeof(struct ultrix_utsname)); 460 } 461 462 int 463 ultrix_sys_setpgrp(l, v, retval) 464 struct lwp *l; 465 void *v; 466 register_t *retval; 467 { 468 struct ultrix_sys_setpgrp_args *uap = v; 469 struct proc *p = l->l_proc; 470 471 /* 472 * difference to our setpgid call is to include backwards 473 * compatibility to pre-setsid() binaries. Do setsid() 474 * instead of setpgid() in those cases where the process 475 * tries to create a new session the old way. 476 */ 477 if (!SCARG(uap, pgid) && 478 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 479 return sys_setsid(l, uap, retval); 480 else 481 return sys_setpgid(l, uap, retval); 482 } 483 484 #if defined (NFSSERVER) 485 int 486 ultrix_sys_nfssvc(l, v, retval) 487 struct lwp *l; 488 void *v; 489 register_t *retval; 490 { 491 492 #if 0 /* XXX */ 493 struct ultrix_sys_nfssvc_args *uap = v; 494 struct emul *e = p->p_emul; 495 struct sys_nfssvc_args outuap; 496 struct sockaddr sa; 497 int error; 498 caddr_t sg = stackgap_init(p, 0); 499 500 memset(&outuap, 0, sizeof outuap); 501 SCARG(&outuap, fd) = SCARG(uap, fd); 502 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof sa); 503 SCARG(&outuap, msklen) = sizeof sa; 504 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof sa); 505 SCARG(&outuap, mtchlen) = sizeof sa; 506 507 memset(&sa, 0, sizeof sa); 508 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 509 return (error); 510 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 511 return (error); 512 513 return nfssvc(l, &outuap, retval); 514 #else 515 return (ENOSYS); 516 #endif 517 } 518 #endif /* NFSSERVER */ 519 520 struct ultrix_ustat { 521 daddr_t f_tfree; /* total free */ 522 ino_t f_tinode; /* total inodes free */ 523 char f_fname[6]; /* filsys name */ 524 char f_fpack[6]; /* filsys pack name */ 525 }; 526 527 int 528 ultrix_sys_ustat(l, v, retval) 529 struct lwp *l; 530 void *v; 531 register_t *retval; 532 { 533 struct ultrix_sys_ustat_args *uap = v; 534 struct ultrix_ustat us; 535 int error; 536 537 memset(&us, 0, sizeof us); 538 539 /* 540 * XXX: should set f_tfree and f_tinode at least 541 * How do we translate dev -> fstat? (and then to ultrix_ustat) 542 */ 543 544 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 545 return (error); 546 return 0; 547 } 548 549 int 550 ultrix_sys_quotactl(l, v, retval) 551 struct lwp *l; 552 void *v; 553 register_t *retval; 554 { 555 556 #ifdef notyet 557 struct ultrix_sys_quotactl_args *uap = v; 558 #endif 559 560 return EINVAL; 561 } 562 563 int 564 ultrix_sys_vhangup(l, v, retval) 565 struct lwp *l; 566 void *v; 567 register_t *retval; 568 { 569 570 return 0; 571 } 572 573 574 /* 575 * RISC Ultrix cache control syscalls 576 */ 577 #ifdef __mips 578 int 579 ultrix_sys_cacheflush(l, v, retval) 580 struct lwp *l; 581 void *v; 582 register_t *retval; 583 { 584 struct ultrix_sys_cacheflush_args /* { 585 syscallarg(void *) addr; 586 syscallarg(int) nbytes; 587 syscallarg(int) flag; 588 } */ *uap = v; 589 struct proc *p = l->l_proc; 590 vaddr_t va = (vaddr_t)SCARG(uap, addr); 591 int nbytes = SCARG(uap, nbytes); 592 int whichcache = SCARG(uap, whichcache); 593 594 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 595 } 596 597 598 int 599 ultrix_sys_cachectl(l, v, retval) 600 struct lwp *l; 601 void *v; 602 register_t *retval; 603 { 604 struct ultrix_sys_cachectl_args /* { 605 syscallarg(void *) addr; 606 syscallarg(int) nbytes; 607 syscallarg(int) cacheop; 608 } */ *uap = v; 609 struct proc *p = l->l_proc; 610 vaddr_t va = (vaddr_t)SCARG(uap, addr); 611 int nbytes = SCARG(uap, nbytes); 612 int cacheop = SCARG(uap, cacheop); 613 614 return mips_user_cachectl(p, va, nbytes, cacheop); 615 } 616 617 #endif /* __mips */ 618 619 620 int 621 ultrix_sys_exportfs(l, v, retval) 622 struct lwp *l; 623 void *v; 624 register_t *retval; 625 { 626 #ifdef notyet 627 struct ultrix_sys_exportfs_args *uap = v; 628 #endif 629 630 /* 631 * XXX: should perhaps translate into a mount(2) 632 * with MOUNT_EXPORT? 633 */ 634 return 0; 635 } 636 637 int 638 ultrix_sys_sigpending(l, v, retval) 639 struct lwp *l; 640 void *v; 641 register_t *retval; 642 { 643 struct ultrix_sys_sigpending_args *uap = v; 644 sigset_t ss; 645 int mask; 646 647 sigpending1(l->l_proc, &ss); 648 mask = ss.__bits[0]; 649 650 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 651 } 652 653 int 654 ultrix_sys_sigreturn(l, v, retval) 655 struct lwp *l; 656 void *v; 657 register_t *retval; 658 { 659 struct ultrix_sys_sigreturn_args *uap = v; 660 661 /* struct sigcontext13 is close enough to Ultrix */ 662 663 return (compat_13_sys_sigreturn(l, uap, retval)); 664 } 665 666 int 667 ultrix_sys_sigcleanup(l, v, retval) 668 struct lwp *l; 669 void *v; 670 register_t *retval; 671 { 672 struct ultrix_sys_sigcleanup_args *uap = v; 673 674 /* struct sigcontext13 is close enough to Ultrix */ 675 676 return (compat_13_sys_sigreturn(l, uap, retval)); 677 } 678 679 int 680 ultrix_sys_sigsuspend(l, v, retval) 681 struct lwp *l; 682 void *v; 683 register_t *retval; 684 { 685 struct ultrix_sys_sigsuspend_args *uap = v; 686 int mask = SCARG(uap, mask); 687 sigset_t ss; 688 689 ss.__bits[0] = mask; 690 ss.__bits[1] = 0; 691 ss.__bits[2] = 0; 692 ss.__bits[3] = 0; 693 694 return (sigsuspend1(l->l_proc, &ss)); 695 } 696 697 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 698 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 699 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 700 701 int 702 ultrix_sys_sigvec(l, v, retval) 703 struct lwp *l; 704 void *v; 705 register_t *retval; 706 { 707 struct ultrix_sys_sigvec_args *uap = v; 708 struct sigvec nsv, osv; 709 struct sigaction nsa, osa; 710 int error; 711 712 if (SCARG(uap, nsv)) { 713 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 714 if (error) 715 return (error); 716 nsa.sa_handler = nsv.sv_handler; 717 #if 0 /* documentation */ 718 /* ONSTACK is identical */ 719 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 720 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 721 /* old signal() - always restart */ 722 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 723 /* inverted meaning (same bit) */ 724 ) 725 nsa.sa_flags |= SA_RESTART; 726 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 727 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 728 nsa.sa_flags ^= SA_RESTART; 729 #endif 730 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 731 } 732 error = sigaction1(l->l_proc, SCARG(uap, signum), 733 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0, 734 NULL, 0); 735 if (error) 736 return (error); 737 if (SCARG(uap, osv)) { 738 osv.sv_handler = osa.sa_handler; 739 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 740 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 741 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 742 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 743 if (error) 744 return (error); 745 } 746 return (0); 747 } 748 749 int 750 ultrix_sys_shmsys(l, v, retval) 751 struct lwp *l; 752 void *v; 753 register_t *retval; 754 { 755 756 #ifdef SYSVSHM 757 758 /* Ultrix SVSHM weirndess: */ 759 struct ultrix_sys_shmsys_args *uap = v; 760 struct sys_shmat_args shmat_args; 761 struct compat_14_sys_shmctl_args shmctl_args; 762 struct sys_shmdt_args shmdt_args; 763 struct sys_shmget_args shmget_args; 764 765 766 switch (SCARG(uap, shmop)) { 767 case 0: /* Ultrix shmat() */ 768 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 769 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 770 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 771 return (sys_shmat(l, &shmat_args, retval)); 772 773 case 1: /* Ultrix shmctl() */ 774 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 775 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 776 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 777 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 778 779 case 2: /* Ultrix shmdt() */ 780 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 781 return (sys_shmdt(l, &shmdt_args, retval)); 782 783 case 3: /* Ultrix shmget() */ 784 SCARG(&shmget_args, key) = SCARG(uap, a2); 785 SCARG(&shmget_args, size) = SCARG(uap, a3); 786 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 787 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 788 return (sys_shmget(l, &shmget_args, retval)); 789 790 default: 791 return (EINVAL); 792 } 793 #else 794 return (EOPNOTSUPP); 795 #endif /* SYSVSHM */ 796 } 797 798 static int 799 ultrix_to_bsd_flock(ufl, fl) 800 struct ultrix_flock *ufl; 801 struct flock *fl; 802 { 803 804 fl->l_start = ufl->l_start; 805 fl->l_len = ufl->l_len; 806 fl->l_pid = ufl->l_pid; 807 fl->l_whence = ufl->l_whence; 808 809 switch (ufl->l_type) { 810 case ULTRIX_F_RDLCK: 811 fl->l_type = F_RDLCK; 812 break; 813 case ULTRIX_F_WRLCK: 814 fl->l_type = F_WRLCK; 815 break; 816 case ULTRIX_F_UNLCK: 817 fl->l_type = F_UNLCK; 818 break; 819 default: 820 return (EINVAL); 821 } 822 823 return (0); 824 } 825 826 static void 827 bsd_to_ultrix_flock(fl, ufl) 828 struct flock *fl; 829 struct ultrix_flock *ufl; 830 { 831 832 ufl->l_start = fl->l_start; 833 ufl->l_len = fl->l_len; 834 ufl->l_pid = fl->l_pid; 835 ufl->l_whence = fl->l_whence; 836 837 switch (fl->l_type) { 838 case F_RDLCK: 839 ufl->l_type = ULTRIX_F_RDLCK; 840 break; 841 case F_WRLCK: 842 ufl->l_type = ULTRIX_F_WRLCK; 843 break; 844 case F_UNLCK: 845 ufl->l_type = ULTRIX_F_UNLCK; 846 break; 847 } 848 } 849 850 int 851 ultrix_sys_fcntl(l, v, retval) 852 struct lwp *l; 853 void *v; 854 register_t *retval; 855 { 856 struct ultrix_sys_fcntl_args *uap = v; 857 struct proc *p = l->l_proc; 858 int error; 859 struct ultrix_flock ufl; 860 struct flock fl, *flp = NULL; /* XXX gcc */ 861 caddr_t sg; 862 struct sys_fcntl_args *args, fca; 863 864 switch (SCARG(uap, cmd)) { 865 case F_GETLK: 866 case F_SETLK: 867 case F_SETLKW: 868 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 869 if (error) 870 return (error); 871 error = ultrix_to_bsd_flock(&ufl, &fl); 872 if (error) 873 return (error); 874 sg = stackgap_init(p, 0); 875 flp = (struct flock *)stackgap_alloc(p, &sg, sizeof(*flp)); 876 error = copyout(&fl, flp, sizeof(*flp)); 877 if (error) 878 return (error); 879 880 SCARG(&fca, fd) = SCARG(uap, fd); 881 SCARG(&fca, cmd) = SCARG(uap, cmd); 882 SCARG(&fca, arg) = flp; 883 args = &fca; 884 break; 885 default: 886 args = v; 887 break; 888 } 889 890 error = sys_fcntl(l, args, retval); 891 if (error) 892 return (error); 893 894 switch (SCARG(uap, cmd)) { 895 case F_GETLK: 896 error = copyin(flp, &fl, sizeof(fl)); 897 if (error) 898 return (error); 899 bsd_to_ultrix_flock(&fl, &ufl); 900 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 901 break; 902 } 903 904 return (error); 905 } 906
Indexes created Wed Sep 24 15:09:51 GMT 2025