ultrix_misc.c revision 1.70
1 /* $NetBSD: ultrix_misc.c,v 1.70 2001/06/14 20:32:46 thorpej 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 ((fp = fd_getfile(fdp, SCARG(&ouap, fd))) != NULL && /*XXX*/ 376 fp->f_type == DTYPE_VNODE && /*XXX*/ 377 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 378 iszerodev(vp->v_rdev)) { /*XXX*/ 379 SCARG(&ouap, flags) |= MAP_ANON; 380 SCARG(&ouap, fd) = -1; 381 } 382 383 return (sys_mmap(p, &ouap, retval)); 384 } 385 386 int 387 ultrix_sys_setsockopt(p, v, retval) 388 struct proc *p; 389 void *v; 390 register_t *retval; 391 { 392 struct ultrix_sys_setsockopt_args *uap = v; 393 struct file *fp; 394 struct mbuf *m = NULL; 395 int error; 396 397 /* getsock() will use the descriptor for us */ 398 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 399 return (error); 400 #define SO_DONTLINGER (~SO_LINGER) 401 if (SCARG(uap, name) == SO_DONTLINGER) { 402 m = m_get(M_WAIT, MT_SOOPTS); 403 mtod(m, struct linger *)->l_onoff = 0; 404 m->m_len = sizeof(struct linger); 405 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 406 SO_LINGER, m); 407 } 408 if (SCARG(uap, level) == IPPROTO_IP) { 409 #define EMUL_IP_MULTICAST_IF 2 410 #define EMUL_IP_MULTICAST_TTL 3 411 #define EMUL_IP_MULTICAST_LOOP 4 412 #define EMUL_IP_ADD_MEMBERSHIP 5 413 #define EMUL_IP_DROP_MEMBERSHIP 6 414 static int ipoptxlat[] = { 415 IP_MULTICAST_IF, 416 IP_MULTICAST_TTL, 417 IP_MULTICAST_LOOP, 418 IP_ADD_MEMBERSHIP, 419 IP_DROP_MEMBERSHIP 420 }; 421 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 422 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 423 SCARG(uap, name) = 424 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 425 } 426 } 427 if (SCARG(uap, valsize) > MLEN) { 428 error = EINVAL; 429 goto out; 430 } 431 if (SCARG(uap, val)) { 432 m = m_get(M_WAIT, MT_SOOPTS); 433 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 434 (u_int)SCARG(uap, valsize)); 435 if (error) { 436 (void) m_free(m); 437 goto out; 438 } 439 m->m_len = SCARG(uap, valsize); 440 } 441 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 442 SCARG(uap, name), m); 443 out: 444 FILE_UNUSE(fp, p); 445 return (error); 446 } 447 448 #define ULTRIX__SYS_NMLN 32 449 450 struct ultrix_utsname { 451 char sysname[ULTRIX__SYS_NMLN]; 452 char nodename[ULTRIX__SYS_NMLN]; 453 char release[ULTRIX__SYS_NMLN]; 454 char version[ULTRIX__SYS_NMLN]; 455 char machine[ULTRIX__SYS_NMLN]; 456 }; 457 458 int 459 ultrix_sys_uname(p, v, retval) 460 struct proc *p; 461 void *v; 462 register_t *retval; 463 { 464 struct ultrix_sys_uname_args *uap = v; 465 struct ultrix_utsname sut; 466 const char *cp; 467 char *dp, *ep; 468 469 memset(&sut, 0, sizeof(sut)); 470 471 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 472 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 473 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 474 dp = sut.version; 475 ep = &sut.version[sizeof(sut.version) - 1]; 476 for (cp = version; *cp && *cp != '('; cp++) 477 ; 478 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 479 *dp++ = *cp; 480 for (; *cp && *cp != '#'; cp++) 481 ; 482 for (; *cp && *cp != ':' && dp < ep; cp++) 483 *dp++ = *cp; 484 *dp = '\0'; 485 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 486 487 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 488 sizeof(struct ultrix_utsname)); 489 } 490 491 int 492 ultrix_sys_setpgrp(p, v, retval) 493 struct proc *p; 494 void *v; 495 register_t *retval; 496 { 497 struct ultrix_sys_setpgrp_args *uap = v; 498 499 /* 500 * difference to our setpgid call is to include backwards 501 * compatibility to pre-setsid() binaries. Do setsid() 502 * instead of setpgid() in those cases where the process 503 * tries to create a new session the old way. 504 */ 505 if (!SCARG(uap, pgid) && 506 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 507 return sys_setsid(p, uap, retval); 508 else 509 return sys_setpgid(p, uap, retval); 510 } 511 512 #if defined (NFSSERVER) 513 int 514 ultrix_sys_nfssvc(p, v, retval) 515 struct proc *p; 516 void *v; 517 register_t *retval; 518 { 519 520 #if 0 /* XXX */ 521 struct ultrix_sys_nfssvc_args *uap = v; 522 struct emul *e = p->p_emul; 523 struct sys_nfssvc_args outuap; 524 struct sockaddr sa; 525 int error; 526 527 memset(&outuap, 0, sizeof outuap); 528 SCARG(&outuap, fd) = SCARG(uap, fd); 529 SCARG(&outuap, mskval) = STACKGAPBASE; 530 SCARG(&outuap, msklen) = sizeof sa; 531 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 532 SCARG(&outuap, mtchlen) = sizeof sa; 533 534 memset(&sa, 0, sizeof sa); 535 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 536 return (error); 537 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 538 return (error); 539 540 return nfssvc(p, &outuap, retval); 541 #else 542 return (ENOSYS); 543 #endif 544 } 545 #endif /* NFSSERVER */ 546 547 struct ultrix_ustat { 548 daddr_t f_tfree; /* total free */ 549 ino_t f_tinode; /* total inodes free */ 550 char f_fname[6]; /* filsys name */ 551 char f_fpack[6]; /* filsys pack name */ 552 }; 553 554 int 555 ultrix_sys_ustat(p, v, retval) 556 struct proc *p; 557 void *v; 558 register_t *retval; 559 { 560 struct ultrix_sys_ustat_args *uap = v; 561 struct ultrix_ustat us; 562 int error; 563 564 memset(&us, 0, sizeof us); 565 566 /* 567 * XXX: should set f_tfree and f_tinode at least 568 * How do we translate dev -> fstat? (and then to ultrix_ustat) 569 */ 570 571 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 572 return (error); 573 return 0; 574 } 575 576 int 577 ultrix_sys_quotactl(p, v, retval) 578 struct proc *p; 579 void *v; 580 register_t *retval; 581 { 582 583 #ifdef notyet 584 struct ultrix_sys_quotactl_args *uap = v; 585 #endif 586 587 return EINVAL; 588 } 589 590 int 591 ultrix_sys_vhangup(p, v, retval) 592 struct proc *p; 593 void *v; 594 register_t *retval; 595 { 596 597 return 0; 598 } 599 600 601 /* 602 * RISC Ultrix cache control syscalls 603 */ 604 #ifdef __mips 605 int 606 ultrix_sys_cacheflush(p, v, retval) 607 struct proc *p; 608 void *v; 609 register_t *retval; 610 { 611 struct ultrix_sys_cacheflush_args /* { 612 syscallarg(void *) addr; 613 syscallarg(int) nbytes; 614 syscallarg(int) flag; 615 } */ *uap = v; 616 vaddr_t va = (vaddr_t)SCARG(uap, addr); 617 int nbytes = SCARG(uap, nbytes); 618 int whichcache = SCARG(uap, whichcache); 619 620 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 621 } 622 623 624 int 625 ultrix_sys_cachectl(p, v, retval) 626 struct proc *p; 627 void *v; 628 register_t *retval; 629 { 630 struct ultrix_sys_cachectl_args /* { 631 syscallarg(void *) addr; 632 syscallarg(int) nbytes; 633 syscallarg(int) cacheop; 634 } */ *uap = v; 635 vaddr_t va = (vaddr_t)SCARG(uap, addr); 636 int nbytes = SCARG(uap, nbytes); 637 int cacheop = SCARG(uap, cacheop); 638 639 return mips_user_cachectl(p, va, nbytes, cacheop); 640 } 641 642 #endif /* __mips */ 643 644 645 int 646 ultrix_sys_exportfs(p, v, retval) 647 struct proc *p; 648 void *v; 649 register_t *retval; 650 { 651 #ifdef notyet 652 struct ultrix_sys_exportfs_args *uap = v; 653 #endif 654 655 /* 656 * XXX: should perhaps translate into a mount(2) 657 * with MOUNT_EXPORT? 658 */ 659 return 0; 660 } 661 662 int 663 ultrix_sys_sigpending(p, v, retval) 664 struct proc *p; 665 void *v; 666 register_t *retval; 667 { 668 struct ultrix_sys_sigpending_args *uap = v; 669 sigset_t ss; 670 int mask; 671 672 sigpending1(p, &ss); 673 mask = ss.__bits[0]; 674 675 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 676 } 677 678 int 679 ultrix_sys_sigreturn(p, v, retval) 680 struct proc *p; 681 void *v; 682 register_t *retval; 683 { 684 struct ultrix_sys_sigreturn_args *uap = v; 685 686 /* struct sigcontext13 is close enough to Ultrix */ 687 688 return (compat_13_sys_sigreturn(p, uap, retval)); 689 } 690 691 int 692 ultrix_sys_sigcleanup(p, v, retval) 693 struct proc *p; 694 void *v; 695 register_t *retval; 696 { 697 struct ultrix_sys_sigcleanup_args *uap = v; 698 699 /* struct sigcontext13 is close enough to Ultrix */ 700 701 return (compat_13_sys_sigreturn(p, uap, retval)); 702 } 703 704 int 705 ultrix_sys_sigsuspend(p, v, retval) 706 struct proc *p; 707 void *v; 708 register_t *retval; 709 { 710 struct ultrix_sys_sigsuspend_args *uap = v; 711 int mask = SCARG(uap, mask); 712 sigset_t ss; 713 714 ss.__bits[0] = mask; 715 ss.__bits[1] = 0; 716 ss.__bits[2] = 0; 717 ss.__bits[3] = 0; 718 719 return (sigsuspend1(p, &ss)); 720 } 721 722 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 723 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 724 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 725 726 int 727 ultrix_sys_sigvec(p, v, retval) 728 struct proc *p; 729 void *v; 730 register_t *retval; 731 { 732 struct ultrix_sys_sigvec_args *uap = v; 733 struct sigvec nsv, osv; 734 struct sigaction nsa, osa; 735 int error; 736 737 if (SCARG(uap, nsv)) { 738 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 739 if (error) 740 return (error); 741 nsa.sa_handler = nsv.sv_handler; 742 #if 0 /* documentation */ 743 /* ONSTACK is identical */ 744 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 745 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 746 /* old signal() - always restart */ 747 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 748 /* inverted meaning (same bit) */ 749 ) 750 nsa.sa_flags |= SA_RESTART; 751 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 752 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 753 nsa.sa_flags ^= SA_RESTART; 754 #endif 755 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 756 } 757 error = sigaction1(p, SCARG(uap, signum), 758 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0); 759 if (error) 760 return (error); 761 if (SCARG(uap, osv)) { 762 osv.sv_handler = osa.sa_handler; 763 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 764 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 765 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 766 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 767 if (error) 768 return (error); 769 } 770 return (0); 771 } 772 773 int 774 ultrix_sys_shmsys(p, v, retval) 775 struct proc *p; 776 void *v; 777 register_t *retval; 778 { 779 780 #ifdef SYSVSHM 781 782 /* Ultrix SVSHM weirndess: */ 783 struct ultrix_sys_shmsys_args *uap = v; 784 struct sys_shmat_args shmat_args; 785 struct compat_14_sys_shmctl_args shmctl_args; 786 struct sys_shmdt_args shmdt_args; 787 struct sys_shmget_args shmget_args; 788 789 790 switch (SCARG(uap, shmop)) { 791 case 0: /* Ultrix shmat() */ 792 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 793 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 794 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 795 return (sys_shmat(p, &shmat_args, retval)); 796 797 case 1: /* Ultrix shmctl() */ 798 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 799 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 800 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 801 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 802 803 case 2: /* Ultrix shmdt() */ 804 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 805 return (sys_shmdt(p, &shmdt_args, retval)); 806 807 case 3: /* Ultrix shmget() */ 808 SCARG(&shmget_args, key) = SCARG(uap, a2); 809 SCARG(&shmget_args, size) = SCARG(uap, a3); 810 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 811 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 812 return (sys_shmget(p, &shmget_args, retval)); 813 814 default: 815 return (EINVAL); 816 } 817 #else 818 return (EOPNOTSUPP); 819 #endif /* SYSVSHM */ 820 } 821 822 static int 823 ultrix_to_bsd_flock(ufl, fl) 824 struct ultrix_flock *ufl; 825 struct flock *fl; 826 { 827 828 fl->l_start = ufl->l_start; 829 fl->l_len = ufl->l_len; 830 fl->l_pid = ufl->l_pid; 831 fl->l_whence = ufl->l_whence; 832 833 switch (ufl->l_type) { 834 case ULTRIX_F_RDLCK: 835 fl->l_type = F_RDLCK; 836 break; 837 case ULTRIX_F_WRLCK: 838 fl->l_type = F_WRLCK; 839 break; 840 case ULTRIX_F_UNLCK: 841 fl->l_type = F_UNLCK; 842 break; 843 default: 844 return (EINVAL); 845 } 846 847 return (0); 848 } 849 850 static void 851 bsd_to_ultrix_flock(fl, ufl) 852 struct flock *fl; 853 struct ultrix_flock *ufl; 854 { 855 856 ufl->l_start = fl->l_start; 857 ufl->l_len = fl->l_len; 858 ufl->l_pid = fl->l_pid; 859 ufl->l_whence = fl->l_whence; 860 861 switch (fl->l_type) { 862 case F_RDLCK: 863 ufl->l_type = ULTRIX_F_RDLCK; 864 break; 865 case F_WRLCK: 866 ufl->l_type = ULTRIX_F_WRLCK; 867 break; 868 case F_UNLCK: 869 ufl->l_type = ULTRIX_F_UNLCK; 870 break; 871 } 872 } 873 874 int 875 ultrix_sys_fcntl(p, v, retval) 876 struct proc *p; 877 void *v; 878 register_t *retval; 879 { 880 struct ultrix_sys_fcntl_args *uap = v; 881 int error; 882 struct ultrix_flock ufl; 883 struct flock fl, *flp; 884 caddr_t sg; 885 struct sys_fcntl_args *args, fca; 886 887 switch (SCARG(uap, cmd)) { 888 case F_GETLK: 889 case F_SETLK: 890 case F_SETLKW: 891 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 892 if (error) 893 return (error); 894 error = ultrix_to_bsd_flock(&ufl, &fl); 895 if (error) 896 return (error); 897 sg = stackgap_init(p->p_emul); 898 flp = (struct flock *)stackgap_alloc(&sg, sizeof(*flp)); 899 error = copyout(&fl, flp, sizeof(*flp)); 900 if (error) 901 return (error); 902 903 SCARG(&fca, fd) = SCARG(uap, fd); 904 SCARG(&fca, cmd) = SCARG(uap, cmd); 905 SCARG(&fca, arg) = flp; 906 args = &fca; 907 break; 908 default: 909 args = v; 910 break; 911 } 912 913 error = sys_fcntl(p, args, retval); 914 if (error) 915 return (error); 916 917 switch (SCARG(uap, cmd)) { 918 case F_GETLK: 919 error = copyin(flp, &fl, sizeof(fl)); 920 if (error) 921 return (error); 922 bsd_to_ultrix_flock(&fl, &ufl); 923 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 924 break; 925 } 926 927 return (error); 928 } 929
Indexes created Tue Sep 23 07:09:52 GMT 2025