ultrix_misc.c revision 1.85
1 /* $NetBSD: ultrix_misc.c,v 1.85 2003/06/29 22:29:53 fvdl 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 #include <sys/cdefs.h> 83 __KERNEL_RCSID(0, "$NetBSD: ultrix_misc.c,v 1.85 2003/06/29 22:29:53 fvdl Exp $"); 84 85 #if defined(_KERNEL_OPT) 86 #include "opt_nfsserver.h" 87 #include "opt_sysv.h" 88 #endif 89 90 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 91 92 /* 93 * Ultrix compatibility module. 94 * 95 * Ultrix system calls that are implemented differently in BSD are 96 * handled here. 97 */ 98 99 #if defined(_KERNEL_OPT) 100 #include "fs_nfs.h" 101 #endif 102 103 #include <sys/param.h> 104 #include <sys/systm.h> 105 #include <sys/namei.h> 106 #include <sys/dirent.h> 107 #include <sys/proc.h> 108 #include <sys/file.h> 109 #include <sys/filedesc.h> 110 #include <sys/kernel.h> 111 #include <sys/exec.h> 112 #include <sys/malloc.h> 113 #include <sys/mbuf.h> 114 #include <sys/mman.h> 115 #include <sys/mount.h> 116 #include <sys/resource.h> 117 #include <sys/resourcevar.h> 118 #include <sys/signal.h> 119 #include <sys/signalvar.h> 120 #include <sys/socket.h> 121 #include <sys/vnode.h> 122 #include <sys/uio.h> 123 #include <sys/wait.h> 124 #include <sys/utsname.h> 125 #include <sys/unistd.h> 126 #include <sys/ipc.h> 127 128 #include <sys/sa.h> 129 #include <sys/syscallargs.h> 130 131 #include <compat/ultrix/ultrix_syscall.h> 132 #include <compat/ultrix/ultrix_syscallargs.h> 133 #include <compat/common/compat_util.h> 134 135 #include <netinet/in.h> 136 137 #include <miscfs/specfs/specdev.h> 138 139 #include <nfs/rpcv2.h> 140 #include <nfs/nfsproto.h> 141 #include <nfs/nfs.h> 142 143 #include <sys/socketvar.h> /* sosetopt() */ 144 145 #include <compat/ultrix/ultrix_flock.h> 146 147 #ifdef __mips 148 #include <mips/cachectl.h> 149 #endif 150 151 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 152 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 153 154 extern struct sysent ultrix_sysent[]; 155 extern const char * const ultrix_syscallnames[]; 156 extern char ultrix_sigcode[], ultrix_esigcode[]; 157 #ifdef __HAVE_SYSCALL_INTERN 158 void syscall_intern(struct proc *); 159 #else 160 void syscall __P((void)); 161 #endif 162 163 const struct emul emul_ultrix = { 164 "ultrix", 165 "/emul/ultrix", 166 #ifndef __HAVE_MINIMAL_EMUL 167 0, 168 NULL, 169 ULTRIX_SYS_syscall, 170 ULTRIX_SYS_NSYSENT, 171 #endif 172 ultrix_sysent, 173 ultrix_syscallnames, 174 sendsig, 175 trapsignal, 176 ultrix_sigcode, 177 ultrix_esigcode, 178 setregs, 179 NULL, 180 NULL, 181 NULL, 182 #ifdef __HAVE_SYSCALL_INTERN 183 syscall_intern, 184 #else 185 syscall, 186 #endif 187 NULL, 188 NULL, 189 }; 190 191 #define GSI_PROG_ENV 1 192 193 int 194 ultrix_sys_getsysinfo(l, v, retval) 195 struct lwp *l; 196 void *v; 197 register_t *retval; 198 { 199 struct ultrix_sys_getsysinfo_args *uap = v; 200 static short progenv = 0; 201 202 switch (SCARG(uap, op)) { 203 /* operations implemented: */ 204 case GSI_PROG_ENV: 205 if (SCARG(uap, nbytes) < sizeof(short)) 206 return EINVAL; 207 *retval = 1; 208 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 209 default: 210 *retval = 0; /* info unavail */ 211 return 0; 212 } 213 } 214 215 int 216 ultrix_sys_setsysinfo(l, v, retval) 217 struct lwp *l; 218 void *v; 219 register_t *retval; 220 { 221 222 #ifdef notyet 223 struct ultrix_sys_setsysinfo_args *uap = v; 224 #endif 225 226 *retval = 0; 227 return 0; 228 } 229 230 int 231 ultrix_sys_waitpid(l, v, retval) 232 struct lwp *l; 233 void *v; 234 register_t *retval; 235 { 236 struct ultrix_sys_waitpid_args *uap = v; 237 struct sys_wait4_args ua; 238 239 SCARG(&ua, pid) = SCARG(uap, pid); 240 SCARG(&ua, status) = SCARG(uap, status); 241 SCARG(&ua, options) = SCARG(uap, options); 242 SCARG(&ua, rusage) = 0; 243 244 return (sys_wait4(l, &ua, retval)); 245 } 246 247 int 248 ultrix_sys_wait3(l, v, retval) 249 struct lwp *l; 250 void *v; 251 register_t *retval; 252 { 253 struct ultrix_sys_wait3_args *uap = v; 254 struct sys_wait4_args ua; 255 256 SCARG(&ua, pid) = -1; 257 SCARG(&ua, status) = SCARG(uap, status); 258 SCARG(&ua, options) = SCARG(uap, options); 259 SCARG(&ua, rusage) = SCARG(uap, rusage); 260 261 return (sys_wait4(l, &ua, retval)); 262 } 263 264 /* 265 * Ultrix binaries pass in FD_MAX as the first arg to select(). 266 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 267 * can handle. 268 * Since we can't have more than the (native) FD_MAX descriptors open, 269 * limit nfds to at most FD_MAX. 270 */ 271 int 272 ultrix_sys_select(l, v, retval) 273 struct lwp *l; 274 void *v; 275 register_t *retval; 276 { 277 struct sys_select_args *uap = v; 278 struct timeval atv; 279 int error; 280 281 /* Limit number of FDs selected on to the native maximum */ 282 283 if (SCARG(uap, nd) > FD_SETSIZE) 284 SCARG(uap, nd) = FD_SETSIZE; 285 286 /* Check for negative timeval */ 287 if (SCARG(uap, tv)) { 288 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 289 sizeof(atv)); 290 if (error) 291 goto done; 292 #ifdef DEBUG 293 /* Ultrix clients sometimes give negative timeouts? */ 294 if (atv.tv_sec < 0 || atv.tv_usec < 0) 295 printf("ultrix select( %ld, %ld): negative timeout\n", 296 atv.tv_sec, atv.tv_usec); 297 #endif 298 299 } 300 error = sys_select(l, (void*) uap, retval); 301 if (error == EINVAL) 302 printf("ultrix select: bad args?\n"); 303 304 done: 305 return error; 306 } 307 308 #if defined(NFS) 309 int 310 async_daemon(l, v, retval) 311 struct lwp *l; 312 void *v; 313 register_t *retval; 314 { 315 struct sys_nfssvc_args ouap; 316 317 SCARG(&ouap, flag) = NFSSVC_BIOD; 318 SCARG(&ouap, argp) = NULL; 319 320 return (sys_nfssvc(l, &ouap, retval)); 321 } 322 #endif /* NFS */ 323 324 325 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 326 327 int 328 ultrix_sys_mmap(l, v, retval) 329 struct lwp *l; 330 void *v; 331 register_t *retval; 332 { 333 struct ultrix_sys_mmap_args *uap = v; 334 struct sys_mmap_args ouap; 335 336 /* 337 * Verify the arguments. 338 */ 339 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 340 return (EINVAL); /* XXX still needed? */ 341 342 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 343 return (EINVAL); 344 345 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 346 SCARG(&ouap, addr) = SCARG(uap, addr); 347 SCARG(&ouap, len) = SCARG(uap, len); 348 SCARG(&ouap, prot) = SCARG(uap, prot); 349 SCARG(&ouap, fd) = SCARG(uap, fd); 350 SCARG(&ouap, pos) = SCARG(uap, pos); 351 352 return (sys_mmap(l, &ouap, retval)); 353 } 354 355 int 356 ultrix_sys_setsockopt(l, v, retval) 357 struct lwp *l; 358 void *v; 359 register_t *retval; 360 { 361 struct ultrix_sys_setsockopt_args *uap = v; 362 struct proc *p = l->l_proc; 363 struct file *fp; 364 struct mbuf *m = NULL; 365 int error; 366 367 /* getsock() will use the descriptor for us */ 368 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 369 return (error); 370 #define SO_DONTLINGER (~SO_LINGER) 371 if (SCARG(uap, name) == SO_DONTLINGER) { 372 m = m_get(M_WAIT, MT_SOOPTS); 373 mtod(m, struct linger *)->l_onoff = 0; 374 m->m_len = sizeof(struct linger); 375 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 376 SO_LINGER, m); 377 } 378 if (SCARG(uap, level) == IPPROTO_IP) { 379 #define EMUL_IP_MULTICAST_IF 2 380 #define EMUL_IP_MULTICAST_TTL 3 381 #define EMUL_IP_MULTICAST_LOOP 4 382 #define EMUL_IP_ADD_MEMBERSHIP 5 383 #define EMUL_IP_DROP_MEMBERSHIP 6 384 static int ipoptxlat[] = { 385 IP_MULTICAST_IF, 386 IP_MULTICAST_TTL, 387 IP_MULTICAST_LOOP, 388 IP_ADD_MEMBERSHIP, 389 IP_DROP_MEMBERSHIP 390 }; 391 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 392 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 393 SCARG(uap, name) = 394 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 395 } 396 } 397 if (SCARG(uap, valsize) > MLEN) { 398 error = EINVAL; 399 goto out; 400 } 401 if (SCARG(uap, val)) { 402 m = m_get(M_WAIT, MT_SOOPTS); 403 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 404 (u_int)SCARG(uap, valsize)); 405 if (error) { 406 (void) m_free(m); 407 goto out; 408 } 409 m->m_len = SCARG(uap, valsize); 410 } 411 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 412 SCARG(uap, name), m); 413 out: 414 FILE_UNUSE(fp, p); 415 return (error); 416 } 417 418 #define ULTRIX__SYS_NMLN 32 419 420 struct ultrix_utsname { 421 char sysname[ULTRIX__SYS_NMLN]; 422 char nodename[ULTRIX__SYS_NMLN]; 423 char release[ULTRIX__SYS_NMLN]; 424 char version[ULTRIX__SYS_NMLN]; 425 char machine[ULTRIX__SYS_NMLN]; 426 }; 427 428 int 429 ultrix_sys_uname(l, v, retval) 430 struct lwp *l; 431 void *v; 432 register_t *retval; 433 { 434 struct ultrix_sys_uname_args *uap = v; 435 struct ultrix_utsname sut; 436 const char *cp; 437 char *dp, *ep; 438 439 memset(&sut, 0, sizeof(sut)); 440 441 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 442 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 443 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 444 dp = sut.version; 445 ep = &sut.version[sizeof(sut.version) - 1]; 446 for (cp = version; *cp && *cp != '('; cp++) 447 ; 448 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 449 *dp++ = *cp; 450 for (; *cp && *cp != '#'; cp++) 451 ; 452 for (; *cp && *cp != ':' && dp < ep; cp++) 453 *dp++ = *cp; 454 *dp = '\0'; 455 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 456 457 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 458 sizeof(struct ultrix_utsname)); 459 } 460 461 int 462 ultrix_sys_setpgrp(l, v, retval) 463 struct lwp *l; 464 void *v; 465 register_t *retval; 466 { 467 struct ultrix_sys_setpgrp_args *uap = v; 468 struct proc *p = l->l_proc; 469 470 /* 471 * difference to our setpgid call is to include backwards 472 * compatibility to pre-setsid() binaries. Do setsid() 473 * instead of setpgid() in those cases where the process 474 * tries to create a new session the old way. 475 */ 476 if (!SCARG(uap, pgid) && 477 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 478 return sys_setsid(l, uap, retval); 479 else 480 return sys_setpgid(l, uap, retval); 481 } 482 483 #if defined (NFSSERVER) 484 int 485 ultrix_sys_nfssvc(l, v, retval) 486 struct lwp *l; 487 void *v; 488 register_t *retval; 489 { 490 491 #if 0 /* XXX */ 492 struct ultrix_sys_nfssvc_args *uap = v; 493 struct emul *e = p->p_emul; 494 struct sys_nfssvc_args outuap; 495 struct sockaddr sa; 496 int error; 497 caddr_t sg = stackgap_init(p, 0); 498 499 memset(&outuap, 0, sizeof outuap); 500 SCARG(&outuap, fd) = SCARG(uap, fd); 501 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof sa); 502 SCARG(&outuap, msklen) = sizeof sa; 503 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof sa); 504 SCARG(&outuap, mtchlen) = sizeof sa; 505 506 memset(&sa, 0, sizeof sa); 507 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 508 return (error); 509 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 510 return (error); 511 512 return nfssvc(l, &outuap, retval); 513 #else 514 return (ENOSYS); 515 #endif 516 } 517 #endif /* NFSSERVER */ 518 519 struct ultrix_ustat { 520 daddr_t f_tfree; /* total free */ 521 ino_t f_tinode; /* total inodes free */ 522 char f_fname[6]; /* filsys name */ 523 char f_fpack[6]; /* filsys pack name */ 524 }; 525 526 int 527 ultrix_sys_ustat(l, v, retval) 528 struct lwp *l; 529 void *v; 530 register_t *retval; 531 { 532 struct ultrix_sys_ustat_args *uap = v; 533 struct ultrix_ustat us; 534 int error; 535 536 memset(&us, 0, sizeof us); 537 538 /* 539 * XXX: should set f_tfree and f_tinode at least 540 * How do we translate dev -> fstat? (and then to ultrix_ustat) 541 */ 542 543 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 544 return (error); 545 return 0; 546 } 547 548 int 549 ultrix_sys_quotactl(l, v, retval) 550 struct lwp *l; 551 void *v; 552 register_t *retval; 553 { 554 555 #ifdef notyet 556 struct ultrix_sys_quotactl_args *uap = v; 557 #endif 558 559 return EINVAL; 560 } 561 562 int 563 ultrix_sys_vhangup(l, v, retval) 564 struct lwp *l; 565 void *v; 566 register_t *retval; 567 { 568 569 return 0; 570 } 571 572 573 /* 574 * RISC Ultrix cache control syscalls 575 */ 576 #ifdef __mips 577 int 578 ultrix_sys_cacheflush(l, v, retval) 579 struct lwp *l; 580 void *v; 581 register_t *retval; 582 { 583 struct ultrix_sys_cacheflush_args /* { 584 syscallarg(void *) addr; 585 syscallarg(int) nbytes; 586 syscallarg(int) flag; 587 } */ *uap = v; 588 struct proc *p = l->l_proc; 589 vaddr_t va = (vaddr_t)SCARG(uap, addr); 590 int nbytes = SCARG(uap, nbytes); 591 int whichcache = SCARG(uap, whichcache); 592 593 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 594 } 595 596 597 int 598 ultrix_sys_cachectl(l, v, retval) 599 struct lwp *l; 600 void *v; 601 register_t *retval; 602 { 603 struct ultrix_sys_cachectl_args /* { 604 syscallarg(void *) addr; 605 syscallarg(int) nbytes; 606 syscallarg(int) cacheop; 607 } */ *uap = v; 608 struct proc *p = l->l_proc; 609 vaddr_t va = (vaddr_t)SCARG(uap, addr); 610 int nbytes = SCARG(uap, nbytes); 611 int cacheop = SCARG(uap, cacheop); 612 613 return mips_user_cachectl(p, va, nbytes, cacheop); 614 } 615 616 #endif /* __mips */ 617 618 619 int 620 ultrix_sys_exportfs(l, v, retval) 621 struct lwp *l; 622 void *v; 623 register_t *retval; 624 { 625 #ifdef notyet 626 struct ultrix_sys_exportfs_args *uap = v; 627 #endif 628 629 /* 630 * XXX: should perhaps translate into a mount(2) 631 * with MOUNT_EXPORT? 632 */ 633 return 0; 634 } 635 636 int 637 ultrix_sys_sigpending(l, v, retval) 638 struct lwp *l; 639 void *v; 640 register_t *retval; 641 { 642 struct ultrix_sys_sigpending_args *uap = v; 643 sigset_t ss; 644 int mask; 645 646 sigpending1(l->l_proc, &ss); 647 mask = ss.__bits[0]; 648 649 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 650 } 651 652 int 653 ultrix_sys_sigreturn(l, v, retval) 654 struct lwp *l; 655 void *v; 656 register_t *retval; 657 { 658 struct ultrix_sys_sigreturn_args *uap = v; 659 660 /* struct sigcontext13 is close enough to Ultrix */ 661 662 return (compat_13_sys_sigreturn(l, uap, retval)); 663 } 664 665 int 666 ultrix_sys_sigcleanup(l, v, retval) 667 struct lwp *l; 668 void *v; 669 register_t *retval; 670 { 671 struct ultrix_sys_sigcleanup_args *uap = v; 672 673 /* struct sigcontext13 is close enough to Ultrix */ 674 675 return (compat_13_sys_sigreturn(l, uap, retval)); 676 } 677 678 int 679 ultrix_sys_sigsuspend(l, v, retval) 680 struct lwp *l; 681 void *v; 682 register_t *retval; 683 { 684 struct ultrix_sys_sigsuspend_args *uap = v; 685 int mask = SCARG(uap, mask); 686 sigset_t ss; 687 688 ss.__bits[0] = mask; 689 ss.__bits[1] = 0; 690 ss.__bits[2] = 0; 691 ss.__bits[3] = 0; 692 693 return (sigsuspend1(l->l_proc, &ss)); 694 } 695 696 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 697 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 698 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 699 700 int 701 ultrix_sys_sigvec(l, v, retval) 702 struct lwp *l; 703 void *v; 704 register_t *retval; 705 { 706 struct ultrix_sys_sigvec_args *uap = v; 707 struct sigvec nsv, osv; 708 struct sigaction nsa, osa; 709 int error; 710 711 if (SCARG(uap, nsv)) { 712 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 713 if (error) 714 return (error); 715 nsa.sa_handler = nsv.sv_handler; 716 #if 0 /* documentation */ 717 /* ONSTACK is identical */ 718 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 719 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 720 /* old signal() - always restart */ 721 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 722 /* inverted meaning (same bit) */ 723 ) 724 nsa.sa_flags |= SA_RESTART; 725 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 726 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 727 nsa.sa_flags ^= SA_RESTART; 728 #endif 729 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 730 } 731 error = sigaction1(l->l_proc, SCARG(uap, signum), 732 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0, 733 NULL, 0); 734 if (error) 735 return (error); 736 if (SCARG(uap, osv)) { 737 osv.sv_handler = osa.sa_handler; 738 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 739 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 740 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 741 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 742 if (error) 743 return (error); 744 } 745 return (0); 746 } 747 748 int 749 ultrix_sys_shmsys(l, v, retval) 750 struct lwp *l; 751 void *v; 752 register_t *retval; 753 { 754 755 #ifdef SYSVSHM 756 757 /* Ultrix SVSHM weirndess: */ 758 struct ultrix_sys_shmsys_args *uap = v; 759 struct sys_shmat_args shmat_args; 760 struct compat_14_sys_shmctl_args shmctl_args; 761 struct sys_shmdt_args shmdt_args; 762 struct sys_shmget_args shmget_args; 763 764 765 switch (SCARG(uap, shmop)) { 766 case 0: /* Ultrix shmat() */ 767 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 768 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 769 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 770 return (sys_shmat(l, &shmat_args, retval)); 771 772 case 1: /* Ultrix shmctl() */ 773 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 774 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 775 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 776 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 777 778 case 2: /* Ultrix shmdt() */ 779 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 780 return (sys_shmdt(l, &shmdt_args, retval)); 781 782 case 3: /* Ultrix shmget() */ 783 SCARG(&shmget_args, key) = SCARG(uap, a2); 784 SCARG(&shmget_args, size) = SCARG(uap, a3); 785 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 786 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 787 return (sys_shmget(l, &shmget_args, retval)); 788 789 default: 790 return (EINVAL); 791 } 792 #else 793 return (EOPNOTSUPP); 794 #endif /* SYSVSHM */ 795 } 796 797 static int 798 ultrix_to_bsd_flock(ufl, fl) 799 struct ultrix_flock *ufl; 800 struct flock *fl; 801 { 802 803 fl->l_start = ufl->l_start; 804 fl->l_len = ufl->l_len; 805 fl->l_pid = ufl->l_pid; 806 fl->l_whence = ufl->l_whence; 807 808 switch (ufl->l_type) { 809 case ULTRIX_F_RDLCK: 810 fl->l_type = F_RDLCK; 811 break; 812 case ULTRIX_F_WRLCK: 813 fl->l_type = F_WRLCK; 814 break; 815 case ULTRIX_F_UNLCK: 816 fl->l_type = F_UNLCK; 817 break; 818 default: 819 return (EINVAL); 820 } 821 822 return (0); 823 } 824 825 static void 826 bsd_to_ultrix_flock(fl, ufl) 827 struct flock *fl; 828 struct ultrix_flock *ufl; 829 { 830 831 ufl->l_start = fl->l_start; 832 ufl->l_len = fl->l_len; 833 ufl->l_pid = fl->l_pid; 834 ufl->l_whence = fl->l_whence; 835 836 switch (fl->l_type) { 837 case F_RDLCK: 838 ufl->l_type = ULTRIX_F_RDLCK; 839 break; 840 case F_WRLCK: 841 ufl->l_type = ULTRIX_F_WRLCK; 842 break; 843 case F_UNLCK: 844 ufl->l_type = ULTRIX_F_UNLCK; 845 break; 846 } 847 } 848 849 int 850 ultrix_sys_fcntl(l, v, retval) 851 struct lwp *l; 852 void *v; 853 register_t *retval; 854 { 855 struct ultrix_sys_fcntl_args *uap = v; 856 struct proc *p = l->l_proc; 857 int error; 858 struct ultrix_flock ufl; 859 struct flock fl, *flp; 860 caddr_t sg; 861 struct sys_fcntl_args *args, fca; 862 863 switch (SCARG(uap, cmd)) { 864 case F_GETLK: 865 case F_SETLK: 866 case F_SETLKW: 867 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 868 if (error) 869 return (error); 870 error = ultrix_to_bsd_flock(&ufl, &fl); 871 if (error) 872 return (error); 873 sg = stackgap_init(p, 0); 874 flp = (struct flock *)stackgap_alloc(p, &sg, sizeof(*flp)); 875 error = copyout(&fl, flp, sizeof(*flp)); 876 if (error) 877 return (error); 878 879 SCARG(&fca, fd) = SCARG(uap, fd); 880 SCARG(&fca, cmd) = SCARG(uap, cmd); 881 SCARG(&fca, arg) = flp; 882 args = &fca; 883 break; 884 default: 885 args = v; 886 break; 887 } 888 889 error = sys_fcntl(l, args, retval); 890 if (error) 891 return (error); 892 893 switch (SCARG(uap, cmd)) { 894 case F_GETLK: 895 error = copyin(flp, &fl, sizeof(fl)); 896 if (error) 897 return (error); 898 bsd_to_ultrix_flock(&fl, &ufl); 899 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 900 break; 901 } 902 903 return (error); 904 } 905
Indexes created Fri Oct 03 02:09:57 GMT 2025