ultrix_misc.c revision 1.82
1 /* $NetBSD: ultrix_misc.c,v 1.82 2003/01/28 21:57:47 atatat 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 1.82 2003/01/28 21:57:47 atatat 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 proc *p = l->l_proc; 335 struct sys_mmap_args ouap; 336 struct filedesc *fdp; 337 struct file *fp; 338 struct vnode *vp; 339 340 /* 341 * Verify the arguments. 342 */ 343 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 344 return (EINVAL); /* XXX still needed? */ 345 346 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 347 return (EINVAL); 348 349 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 350 SCARG(&ouap, addr) = SCARG(uap, addr); 351 SCARG(&ouap, len) = SCARG(uap, len); 352 SCARG(&ouap, prot) = SCARG(uap, prot); 353 SCARG(&ouap, fd) = SCARG(uap, fd); 354 SCARG(&ouap, pos) = SCARG(uap, pos); 355 356 return (sys_mmap(l, &ouap, retval)); 357 } 358 359 int 360 ultrix_sys_setsockopt(l, v, retval) 361 struct lwp *l; 362 void *v; 363 register_t *retval; 364 { 365 struct ultrix_sys_setsockopt_args *uap = v; 366 struct proc *p = l->l_proc; 367 struct file *fp; 368 struct mbuf *m = NULL; 369 int error; 370 371 /* getsock() will use the descriptor for us */ 372 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 373 return (error); 374 #define SO_DONTLINGER (~SO_LINGER) 375 if (SCARG(uap, name) == SO_DONTLINGER) { 376 m = m_get(M_WAIT, MT_SOOPTS); 377 mtod(m, struct linger *)->l_onoff = 0; 378 m->m_len = sizeof(struct linger); 379 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 380 SO_LINGER, m); 381 } 382 if (SCARG(uap, level) == IPPROTO_IP) { 383 #define EMUL_IP_MULTICAST_IF 2 384 #define EMUL_IP_MULTICAST_TTL 3 385 #define EMUL_IP_MULTICAST_LOOP 4 386 #define EMUL_IP_ADD_MEMBERSHIP 5 387 #define EMUL_IP_DROP_MEMBERSHIP 6 388 static int ipoptxlat[] = { 389 IP_MULTICAST_IF, 390 IP_MULTICAST_TTL, 391 IP_MULTICAST_LOOP, 392 IP_ADD_MEMBERSHIP, 393 IP_DROP_MEMBERSHIP 394 }; 395 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 396 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 397 SCARG(uap, name) = 398 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 399 } 400 } 401 if (SCARG(uap, valsize) > MLEN) { 402 error = EINVAL; 403 goto out; 404 } 405 if (SCARG(uap, val)) { 406 m = m_get(M_WAIT, MT_SOOPTS); 407 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 408 (u_int)SCARG(uap, valsize)); 409 if (error) { 410 (void) m_free(m); 411 goto out; 412 } 413 m->m_len = SCARG(uap, valsize); 414 } 415 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 416 SCARG(uap, name), m); 417 out: 418 FILE_UNUSE(fp, p); 419 return (error); 420 } 421 422 #define ULTRIX__SYS_NMLN 32 423 424 struct ultrix_utsname { 425 char sysname[ULTRIX__SYS_NMLN]; 426 char nodename[ULTRIX__SYS_NMLN]; 427 char release[ULTRIX__SYS_NMLN]; 428 char version[ULTRIX__SYS_NMLN]; 429 char machine[ULTRIX__SYS_NMLN]; 430 }; 431 432 int 433 ultrix_sys_uname(l, v, retval) 434 struct lwp *l; 435 void *v; 436 register_t *retval; 437 { 438 struct ultrix_sys_uname_args *uap = v; 439 struct ultrix_utsname sut; 440 const char *cp; 441 char *dp, *ep; 442 443 memset(&sut, 0, sizeof(sut)); 444 445 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 446 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 447 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 448 dp = sut.version; 449 ep = &sut.version[sizeof(sut.version) - 1]; 450 for (cp = version; *cp && *cp != '('; cp++) 451 ; 452 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 453 *dp++ = *cp; 454 for (; *cp && *cp != '#'; cp++) 455 ; 456 for (; *cp && *cp != ':' && dp < ep; cp++) 457 *dp++ = *cp; 458 *dp = '\0'; 459 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 460 461 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 462 sizeof(struct ultrix_utsname)); 463 } 464 465 int 466 ultrix_sys_setpgrp(l, v, retval) 467 struct lwp *l; 468 void *v; 469 register_t *retval; 470 { 471 struct ultrix_sys_setpgrp_args *uap = v; 472 struct proc *p = l->l_proc; 473 474 /* 475 * difference to our setpgid call is to include backwards 476 * compatibility to pre-setsid() binaries. Do setsid() 477 * instead of setpgid() in those cases where the process 478 * tries to create a new session the old way. 479 */ 480 if (!SCARG(uap, pgid) && 481 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 482 return sys_setsid(l, uap, retval); 483 else 484 return sys_setpgid(l, uap, retval); 485 } 486 487 #if defined (NFSSERVER) 488 int 489 ultrix_sys_nfssvc(l, v, retval) 490 struct lwp *l; 491 void *v; 492 register_t *retval; 493 { 494 495 #if 0 /* XXX */ 496 struct ultrix_sys_nfssvc_args *uap = v; 497 struct emul *e = p->p_emul; 498 struct sys_nfssvc_args outuap; 499 struct sockaddr sa; 500 int error; 501 caddr_t sg = stackgap_init(p, 0); 502 503 memset(&outuap, 0, sizeof outuap); 504 SCARG(&outuap, fd) = SCARG(uap, fd); 505 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof sa); 506 SCARG(&outuap, msklen) = sizeof sa; 507 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof sa); 508 SCARG(&outuap, mtchlen) = sizeof sa; 509 510 memset(&sa, 0, sizeof sa); 511 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 512 return (error); 513 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 514 return (error); 515 516 return nfssvc(l, &outuap, retval); 517 #else 518 return (ENOSYS); 519 #endif 520 } 521 #endif /* NFSSERVER */ 522 523 struct ultrix_ustat { 524 daddr_t f_tfree; /* total free */ 525 ino_t f_tinode; /* total inodes free */ 526 char f_fname[6]; /* filsys name */ 527 char f_fpack[6]; /* filsys pack name */ 528 }; 529 530 int 531 ultrix_sys_ustat(l, v, retval) 532 struct lwp *l; 533 void *v; 534 register_t *retval; 535 { 536 struct ultrix_sys_ustat_args *uap = v; 537 struct ultrix_ustat us; 538 int error; 539 540 memset(&us, 0, sizeof us); 541 542 /* 543 * XXX: should set f_tfree and f_tinode at least 544 * How do we translate dev -> fstat? (and then to ultrix_ustat) 545 */ 546 547 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 548 return (error); 549 return 0; 550 } 551 552 int 553 ultrix_sys_quotactl(l, v, retval) 554 struct lwp *l; 555 void *v; 556 register_t *retval; 557 { 558 559 #ifdef notyet 560 struct ultrix_sys_quotactl_args *uap = v; 561 #endif 562 563 return EINVAL; 564 } 565 566 int 567 ultrix_sys_vhangup(l, v, retval) 568 struct lwp *l; 569 void *v; 570 register_t *retval; 571 { 572 573 return 0; 574 } 575 576 577 /* 578 * RISC Ultrix cache control syscalls 579 */ 580 #ifdef __mips 581 int 582 ultrix_sys_cacheflush(l, v, retval) 583 struct lwp *l; 584 void *v; 585 register_t *retval; 586 { 587 struct ultrix_sys_cacheflush_args /* { 588 syscallarg(void *) addr; 589 syscallarg(int) nbytes; 590 syscallarg(int) flag; 591 } */ *uap = v; 592 struct proc *p = l->l_proc; 593 vaddr_t va = (vaddr_t)SCARG(uap, addr); 594 int nbytes = SCARG(uap, nbytes); 595 int whichcache = SCARG(uap, whichcache); 596 597 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 598 } 599 600 601 int 602 ultrix_sys_cachectl(l, v, retval) 603 struct lwp *l; 604 void *v; 605 register_t *retval; 606 { 607 struct ultrix_sys_cachectl_args /* { 608 syscallarg(void *) addr; 609 syscallarg(int) nbytes; 610 syscallarg(int) cacheop; 611 } */ *uap = v; 612 struct proc *p = l->l_proc; 613 vaddr_t va = (vaddr_t)SCARG(uap, addr); 614 int nbytes = SCARG(uap, nbytes); 615 int cacheop = SCARG(uap, cacheop); 616 617 return mips_user_cachectl(p, va, nbytes, cacheop); 618 } 619 620 #endif /* __mips */ 621 622 623 int 624 ultrix_sys_exportfs(l, v, retval) 625 struct lwp *l; 626 void *v; 627 register_t *retval; 628 { 629 #ifdef notyet 630 struct ultrix_sys_exportfs_args *uap = v; 631 #endif 632 633 /* 634 * XXX: should perhaps translate into a mount(2) 635 * with MOUNT_EXPORT? 636 */ 637 return 0; 638 } 639 640 int 641 ultrix_sys_sigpending(l, v, retval) 642 struct lwp *l; 643 void *v; 644 register_t *retval; 645 { 646 struct ultrix_sys_sigpending_args *uap = v; 647 sigset_t ss; 648 int mask; 649 650 sigpending1(l->l_proc, &ss); 651 mask = ss.__bits[0]; 652 653 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 654 } 655 656 int 657 ultrix_sys_sigreturn(l, v, retval) 658 struct lwp *l; 659 void *v; 660 register_t *retval; 661 { 662 struct ultrix_sys_sigreturn_args *uap = v; 663 664 /* struct sigcontext13 is close enough to Ultrix */ 665 666 return (compat_13_sys_sigreturn(l, uap, retval)); 667 } 668 669 int 670 ultrix_sys_sigcleanup(l, v, retval) 671 struct lwp *l; 672 void *v; 673 register_t *retval; 674 { 675 struct ultrix_sys_sigcleanup_args *uap = v; 676 677 /* struct sigcontext13 is close enough to Ultrix */ 678 679 return (compat_13_sys_sigreturn(l, uap, retval)); 680 } 681 682 int 683 ultrix_sys_sigsuspend(l, v, retval) 684 struct lwp *l; 685 void *v; 686 register_t *retval; 687 { 688 struct ultrix_sys_sigsuspend_args *uap = v; 689 int mask = SCARG(uap, mask); 690 sigset_t ss; 691 692 ss.__bits[0] = mask; 693 ss.__bits[1] = 0; 694 ss.__bits[2] = 0; 695 ss.__bits[3] = 0; 696 697 return (sigsuspend1(l->l_proc, &ss)); 698 } 699 700 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 701 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 702 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 703 704 int 705 ultrix_sys_sigvec(l, v, retval) 706 struct lwp *l; 707 void *v; 708 register_t *retval; 709 { 710 struct ultrix_sys_sigvec_args *uap = v; 711 struct sigvec nsv, osv; 712 struct sigaction nsa, osa; 713 int error; 714 715 if (SCARG(uap, nsv)) { 716 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 717 if (error) 718 return (error); 719 nsa.sa_handler = nsv.sv_handler; 720 #if 0 /* documentation */ 721 /* ONSTACK is identical */ 722 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 723 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 724 /* old signal() - always restart */ 725 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 726 /* inverted meaning (same bit) */ 727 ) 728 nsa.sa_flags |= SA_RESTART; 729 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 730 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 731 nsa.sa_flags ^= SA_RESTART; 732 #endif 733 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 734 } 735 error = sigaction1(l->l_proc, SCARG(uap, signum), 736 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0, 737 NULL, 0); 738 if (error) 739 return (error); 740 if (SCARG(uap, osv)) { 741 osv.sv_handler = osa.sa_handler; 742 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 743 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 744 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 745 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 746 if (error) 747 return (error); 748 } 749 return (0); 750 } 751 752 int 753 ultrix_sys_shmsys(l, v, retval) 754 struct lwp *l; 755 void *v; 756 register_t *retval; 757 { 758 759 #ifdef SYSVSHM 760 761 /* Ultrix SVSHM weirndess: */ 762 struct ultrix_sys_shmsys_args *uap = v; 763 struct sys_shmat_args shmat_args; 764 struct compat_14_sys_shmctl_args shmctl_args; 765 struct sys_shmdt_args shmdt_args; 766 struct sys_shmget_args shmget_args; 767 768 769 switch (SCARG(uap, shmop)) { 770 case 0: /* Ultrix shmat() */ 771 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 772 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 773 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 774 return (sys_shmat(l, &shmat_args, retval)); 775 776 case 1: /* Ultrix shmctl() */ 777 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 778 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 779 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 780 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 781 782 case 2: /* Ultrix shmdt() */ 783 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 784 return (sys_shmdt(l, &shmdt_args, retval)); 785 786 case 3: /* Ultrix shmget() */ 787 SCARG(&shmget_args, key) = SCARG(uap, a2); 788 SCARG(&shmget_args, size) = SCARG(uap, a3); 789 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 790 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 791 return (sys_shmget(l, &shmget_args, retval)); 792 793 default: 794 return (EINVAL); 795 } 796 #else 797 return (EOPNOTSUPP); 798 #endif /* SYSVSHM */ 799 } 800 801 static int 802 ultrix_to_bsd_flock(ufl, fl) 803 struct ultrix_flock *ufl; 804 struct flock *fl; 805 { 806 807 fl->l_start = ufl->l_start; 808 fl->l_len = ufl->l_len; 809 fl->l_pid = ufl->l_pid; 810 fl->l_whence = ufl->l_whence; 811 812 switch (ufl->l_type) { 813 case ULTRIX_F_RDLCK: 814 fl->l_type = F_RDLCK; 815 break; 816 case ULTRIX_F_WRLCK: 817 fl->l_type = F_WRLCK; 818 break; 819 case ULTRIX_F_UNLCK: 820 fl->l_type = F_UNLCK; 821 break; 822 default: 823 return (EINVAL); 824 } 825 826 return (0); 827 } 828 829 static void 830 bsd_to_ultrix_flock(fl, ufl) 831 struct flock *fl; 832 struct ultrix_flock *ufl; 833 { 834 835 ufl->l_start = fl->l_start; 836 ufl->l_len = fl->l_len; 837 ufl->l_pid = fl->l_pid; 838 ufl->l_whence = fl->l_whence; 839 840 switch (fl->l_type) { 841 case F_RDLCK: 842 ufl->l_type = ULTRIX_F_RDLCK; 843 break; 844 case F_WRLCK: 845 ufl->l_type = ULTRIX_F_WRLCK; 846 break; 847 case F_UNLCK: 848 ufl->l_type = ULTRIX_F_UNLCK; 849 break; 850 } 851 } 852 853 int 854 ultrix_sys_fcntl(l, v, retval) 855 struct lwp *l; 856 void *v; 857 register_t *retval; 858 { 859 struct ultrix_sys_fcntl_args *uap = v; 860 struct proc *p = l->l_proc; 861 int error; 862 struct ultrix_flock ufl; 863 struct flock fl, *flp; 864 caddr_t sg; 865 struct sys_fcntl_args *args, fca; 866 867 switch (SCARG(uap, cmd)) { 868 case F_GETLK: 869 case F_SETLK: 870 case F_SETLKW: 871 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 872 if (error) 873 return (error); 874 error = ultrix_to_bsd_flock(&ufl, &fl); 875 if (error) 876 return (error); 877 sg = stackgap_init(p, 0); 878 flp = (struct flock *)stackgap_alloc(p, &sg, sizeof(*flp)); 879 error = copyout(&fl, flp, sizeof(*flp)); 880 if (error) 881 return (error); 882 883 SCARG(&fca, fd) = SCARG(uap, fd); 884 SCARG(&fca, cmd) = SCARG(uap, cmd); 885 SCARG(&fca, arg) = flp; 886 args = &fca; 887 break; 888 default: 889 args = v; 890 break; 891 } 892 893 error = sys_fcntl(l, args, retval); 894 if (error) 895 return (error); 896 897 switch (SCARG(uap, cmd)) { 898 case F_GETLK: 899 error = copyin(flp, &fl, sizeof(fl)); 900 if (error) 901 return (error); 902 bsd_to_ultrix_flock(&fl, &ufl); 903 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 904 break; 905 } 906 907 return (error); 908 } 909
Indexes created Sat Oct 04 05:10:05 GMT 2025