ultrix_misc.c revision 1.50.2.1
1 /* $NetBSD: ultrix_misc.c,v 1.50.2.1 2000/01/31 20:41:37 he 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 "opt_nfsserver.h" 83 #include "opt_sysv.h" 84 85 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 86 87 /* 88 * Ultrix compatibility module. 89 * 90 * Ultrix system calls that are implemented differently in BSD are 91 * handled here. 92 */ 93 94 #include "fs_nfs.h" 95 96 #include <sys/param.h> 97 #include <sys/systm.h> 98 #include <sys/namei.h> 99 #include <sys/dirent.h> 100 #include <sys/proc.h> 101 #include <sys/file.h> 102 #include <sys/filedesc.h> 103 /*#include <sys/stat.h>*/ 104 /*#include <sys/ioctl.h>*/ 105 #include <sys/kernel.h> 106 #include <sys/exec.h> 107 #include <sys/malloc.h> 108 #include <sys/mbuf.h> 109 #include <sys/mman.h> 110 #include <sys/mount.h> 111 #include <sys/resource.h> 112 #include <sys/resourcevar.h> 113 #include <sys/signal.h> 114 #include <sys/signalvar.h> 115 #include <sys/socket.h> 116 #include <sys/vnode.h> 117 #include <sys/uio.h> 118 #include <sys/wait.h> 119 #include <sys/utsname.h> 120 #include <sys/unistd.h> 121 #include <sys/ipc.h> 122 123 #include <sys/syscallargs.h> 124 125 #include <compat/ultrix/ultrix_syscall.h> 126 #include <compat/ultrix/ultrix_syscallargs.h> 127 #include <compat/common/compat_util.h> 128 129 #include <netinet/in.h> 130 131 #include <miscfs/specfs/specdev.h> 132 133 #include <nfs/rpcv2.h> 134 #include <nfs/nfsproto.h> 135 #include <nfs/nfs.h> 136 137 #include <vm/vm.h> /* pmap declarations */ 138 139 #include <sys/conf.h> /* iszerodev() */ 140 #include <sys/socketvar.h> /* sosetopt() */ 141 142 #include <compat/ultrix/ultrix_flock.h> 143 144 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 145 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 146 147 extern struct sysent ultrix_sysent[]; 148 extern char *ultrix_syscallnames[]; 149 150 151 /* 152 * Select the appropriate setregs callback for the target architecture. 153 */ 154 #ifdef __mips__ 155 #include <machine/ecoff_machdep.h> 156 #define ULTRIX_EXEC_SETREGS cpu_exec_ecoff_setregs 157 #endif /* mips */ 158 159 #ifdef __vax__ 160 #define ULTRIX_EXEC_SETREGS setregs 161 #endif /* vax */ 162 163 164 extern void ULTRIX_EXEC_SETREGS __P((struct proc *, struct exec_package *, 165 u_long)); 166 extern char ultrix_sigcode[], ultrix_esigcode[]; 167 168 struct emul emul_ultrix = { 169 "ultrix", 170 NULL, 171 sendsig, 172 ULTRIX_SYS_syscall, 173 ULTRIX_SYS_MAXSYSCALL, 174 ultrix_sysent, 175 ultrix_syscallnames, 176 0, 177 copyargs, 178 ULTRIX_EXEC_SETREGS, 179 ultrix_sigcode, 180 ultrix_esigcode, 181 }; 182 183 #define GSI_PROG_ENV 1 184 185 int 186 ultrix_sys_getsysinfo(p, v, retval) 187 struct proc *p; 188 void *v; 189 register_t *retval; 190 { 191 struct ultrix_sys_getsysinfo_args *uap = v; 192 static short progenv = 0; 193 194 switch (SCARG(uap, op)) { 195 /* operations implemented: */ 196 case GSI_PROG_ENV: 197 if (SCARG(uap, nbytes) < sizeof(short)) 198 return EINVAL; 199 *retval = 1; 200 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 201 default: 202 *retval = 0; /* info unavail */ 203 return 0; 204 } 205 } 206 207 int 208 ultrix_sys_setsysinfo(p, v, retval) 209 struct proc *p; 210 void *v; 211 register_t *retval; 212 { 213 214 #ifdef notyet 215 struct ultrix_sys_setsysinfo_args *uap = v; 216 #endif 217 218 *retval = 0; 219 return 0; 220 } 221 222 int 223 ultrix_sys_waitpid(p, v, retval) 224 struct proc *p; 225 void *v; 226 register_t *retval; 227 { 228 struct ultrix_sys_waitpid_args *uap = v; 229 struct sys_wait4_args ua; 230 231 SCARG(&ua, pid) = SCARG(uap, pid); 232 SCARG(&ua, status) = SCARG(uap, status); 233 SCARG(&ua, options) = SCARG(uap, options); 234 SCARG(&ua, rusage) = 0; 235 236 return (sys_wait4(p, &ua, retval)); 237 } 238 239 int 240 ultrix_sys_wait3(p, v, retval) 241 struct proc *p; 242 void *v; 243 register_t *retval; 244 { 245 struct ultrix_sys_wait3_args *uap = v; 246 struct sys_wait4_args ua; 247 248 SCARG(&ua, pid) = -1; 249 SCARG(&ua, status) = SCARG(uap, status); 250 SCARG(&ua, options) = SCARG(uap, options); 251 SCARG(&ua, rusage) = SCARG(uap, rusage); 252 253 return (sys_wait4(p, &ua, retval)); 254 } 255 256 /* 257 * Ultrix binaries pass in FD_MAX as the first arg to select(). 258 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 259 * can handle. 260 * Since we can't have more than the (native) FD_MAX descriptors open, 261 * limit nfds to at most FD_MAX. 262 */ 263 int 264 ultrix_sys_select(p, v, retval) 265 struct proc *p; 266 void *v; 267 register_t *retval; 268 { 269 struct sys_select_args *uap = v; 270 struct timeval atv; 271 int error; 272 273 /* Limit number of FDs selected on to the native maximum */ 274 275 if (SCARG(uap, nd) > FD_SETSIZE) 276 SCARG(uap, nd) = FD_SETSIZE; 277 278 /* Check for negative timeval */ 279 if (SCARG(uap, tv)) { 280 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 281 sizeof(atv)); 282 if (error) 283 goto done; 284 #ifdef DEBUG 285 /* Ultrix clients sometimes give negative timeouts? */ 286 if (atv.tv_sec < 0 || atv.tv_usec < 0) 287 printf("ultrix select( %ld, %ld): negative timeout\n", 288 atv.tv_sec, atv.tv_usec); 289 /*tvp = (timeval *)STACKGAPBASE;*/ 290 #endif 291 292 } 293 error = sys_select(p, (void*) uap, retval); 294 if (error == EINVAL) 295 printf("ultrix select: bad args?\n"); 296 297 done: 298 return error; 299 } 300 301 #if defined(NFS) 302 int 303 async_daemon(p, v, retval) 304 struct proc *p; 305 void *v; 306 register_t *retval; 307 { 308 struct sys_nfssvc_args ouap; 309 310 SCARG(&ouap, flag) = NFSSVC_BIOD; 311 SCARG(&ouap, argp) = NULL; 312 313 return (sys_nfssvc(p, &ouap, retval)); 314 } 315 #endif /* NFS */ 316 317 318 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 319 320 int 321 ultrix_sys_mmap(p, v, retval) 322 register struct proc *p; 323 void *v; 324 register_t *retval; 325 { 326 register struct ultrix_sys_mmap_args *uap = v; 327 struct sys_mmap_args ouap; 328 register struct filedesc *fdp; 329 register struct file *fp; 330 register struct vnode *vp; 331 332 /* 333 * Verify the arguments. 334 */ 335 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 336 return (EINVAL); /* XXX still needed? */ 337 338 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 339 return (EINVAL); 340 341 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 342 SCARG(&ouap, addr) = SCARG(uap, addr); 343 344 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 345 SCARG(&ouap, addr) != 0 && 346 SCARG(&ouap, addr) < (void *)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 347 SCARG(&ouap, addr) = (void *)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 348 349 SCARG(&ouap, len) = SCARG(uap, len); 350 SCARG(&ouap, prot) = SCARG(uap, prot); 351 SCARG(&ouap, fd) = SCARG(uap, fd); 352 SCARG(&ouap, pos) = SCARG(uap, pos); 353 354 /* 355 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 356 */ 357 fdp = p->p_fd; 358 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 359 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 360 fp->f_type == DTYPE_VNODE && /*XXX*/ 361 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 362 iszerodev(vp->v_rdev)) { /*XXX*/ 363 SCARG(&ouap, flags) |= MAP_ANON; 364 SCARG(&ouap, fd) = -1; 365 } 366 367 return (sys_mmap(p, &ouap, retval)); 368 } 369 370 int 371 ultrix_sys_setsockopt(p, v, retval) 372 struct proc *p; 373 void *v; 374 register_t *retval; 375 { 376 register struct ultrix_sys_setsockopt_args *uap = v; 377 struct file *fp; 378 struct mbuf *m = NULL; 379 int error; 380 381 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 382 return (error); 383 #define SO_DONTLINGER (~SO_LINGER) 384 if (SCARG(uap, name) == SO_DONTLINGER) { 385 m = m_get(M_WAIT, MT_SOOPTS); 386 mtod(m, struct linger *)->l_onoff = 0; 387 m->m_len = sizeof(struct linger); 388 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 389 SO_LINGER, m)); 390 } 391 if (SCARG(uap, level) == IPPROTO_IP) { 392 #define EMUL_IP_MULTICAST_IF 2 393 #define EMUL_IP_MULTICAST_TTL 3 394 #define EMUL_IP_MULTICAST_LOOP 4 395 #define EMUL_IP_ADD_MEMBERSHIP 5 396 #define EMUL_IP_DROP_MEMBERSHIP 6 397 static int ipoptxlat[] = { 398 IP_MULTICAST_IF, 399 IP_MULTICAST_TTL, 400 IP_MULTICAST_LOOP, 401 IP_ADD_MEMBERSHIP, 402 IP_DROP_MEMBERSHIP 403 }; 404 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 405 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 406 SCARG(uap, name) = 407 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 408 } 409 } 410 if (SCARG(uap, valsize) > MLEN) 411 return (EINVAL); 412 if (SCARG(uap, val)) { 413 m = m_get(M_WAIT, MT_SOOPTS); 414 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 415 (u_int)SCARG(uap, valsize)); 416 if (error) { 417 (void) m_free(m); 418 return (error); 419 } 420 m->m_len = SCARG(uap, valsize); 421 } 422 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 423 SCARG(uap, name), m)); 424 } 425 426 struct ultrix_utsname { 427 char sysname[9]; 428 char nodename[9]; 429 char nodeext[65-9]; 430 char release[9]; 431 char version[9]; 432 char machine[9]; 433 }; 434 435 int 436 ultrix_sys_uname(p, v, retval) 437 struct proc *p; 438 void *v; 439 register_t *retval; 440 { 441 struct ultrix_sys_uname_args *uap = v; 442 struct ultrix_utsname sut; 443 extern char ostype[], machine[], osrelease[]; 444 445 memset(&sut, 0, sizeof(sut)); 446 447 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 448 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 449 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 450 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 451 memcpy(sut.version, "1", sizeof(sut.version) - 1); 452 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 453 454 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 455 sizeof(struct ultrix_utsname)); 456 } 457 458 int 459 ultrix_sys_setpgrp(p, v, retval) 460 struct proc *p; 461 void *v; 462 register_t *retval; 463 { 464 struct ultrix_sys_setpgrp_args *uap = v; 465 466 /* 467 * difference to our setpgid call is to include backwards 468 * compatibility to pre-setsid() binaries. Do setsid() 469 * instead of setpgid() in those cases where the process 470 * tries to create a new session the old way. 471 */ 472 if (!SCARG(uap, pgid) && 473 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 474 return sys_setsid(p, uap, retval); 475 else 476 return sys_setpgid(p, uap, retval); 477 } 478 479 #if defined (NFSSERVER) 480 int 481 ultrix_sys_nfssvc(p, v, retval) 482 struct proc *p; 483 void *v; 484 register_t *retval; 485 { 486 487 #if 0 /* XXX */ 488 struct ultrix_sys_nfssvc_args *uap = v; 489 struct emul *e = p->p_emul; 490 struct sys_nfssvc_args outuap; 491 struct sockaddr sa; 492 int error; 493 494 memset(&outuap, 0, sizeof outuap); 495 SCARG(&outuap, fd) = SCARG(uap, fd); 496 SCARG(&outuap, mskval) = STACKGAPBASE; 497 SCARG(&outuap, msklen) = sizeof sa; 498 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 499 SCARG(&outuap, mtchlen) = sizeof sa; 500 501 memset(&sa, 0, sizeof sa); 502 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 503 return (error); 504 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 505 return (error); 506 507 return nfssvc(p, &outuap, retval); 508 #else 509 return (ENOSYS); 510 #endif 511 } 512 #endif /* NFSSERVER */ 513 514 struct ultrix_ustat { 515 daddr_t f_tfree; /* total free */ 516 ino_t f_tinode; /* total inodes free */ 517 char f_fname[6]; /* filsys name */ 518 char f_fpack[6]; /* filsys pack name */ 519 }; 520 521 int 522 ultrix_sys_ustat(p, v, retval) 523 struct proc *p; 524 void *v; 525 register_t *retval; 526 { 527 struct ultrix_sys_ustat_args *uap = v; 528 struct ultrix_ustat us; 529 int error; 530 531 memset(&us, 0, sizeof us); 532 533 /* 534 * XXX: should set f_tfree and f_tinode at least 535 * How do we translate dev -> fstat? (and then to ultrix_ustat) 536 */ 537 538 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 539 return (error); 540 return 0; 541 } 542 543 int 544 ultrix_sys_quotactl(p, v, retval) 545 struct proc *p; 546 void *v; 547 register_t *retval; 548 { 549 550 #ifdef notyet 551 struct ultrix_sys_quotactl_args *uap = v; 552 #endif 553 554 return EINVAL; 555 } 556 557 int 558 ultrix_sys_vhangup(p, v, retval) 559 struct proc *p; 560 void *v; 561 register_t *retval; 562 { 563 564 return 0; 565 } 566 567 568 /* 569 * RISC Ultrix cache control syscalls 570 */ 571 #ifdef __mips 572 int 573 ultrix_sys_cacheflush(p, v, retval) 574 register struct proc *p; 575 void *v; 576 register_t *retval; 577 { 578 register struct ultrix_sys_cacheflush_args /* { 579 syscallarg(void *) addr; 580 syscallarg(int) nbytes; 581 syscallarg(int) flag; 582 } */ *uap = v; 583 register vaddr_t va = (vaddr_t)SCARG(uap, addr); 584 register int nbytes = SCARG(uap, nbytes); 585 register int whichcache = SCARG(uap, whichcache); 586 587 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 588 } 589 590 591 int 592 ultrix_sys_cachectl(p, v, retval) 593 register struct proc *p; 594 void *v; 595 register_t *retval; 596 { 597 register struct ultrix_sys_cachectl_args /* { 598 syscallarg(void *) addr; 599 syscallarg(int) nbytes; 600 syscallarg(int) cacheop; 601 } */ *uap = v; 602 register vaddr_t va = (vaddr_t)SCARG(uap, addr); 603 register int nbytes = SCARG(uap, nbytes); 604 register int cacheop = SCARG(uap, cacheop); 605 606 return mips_user_cachectl(p, va, nbytes, cacheop); 607 } 608 609 #endif /* __mips */ 610 611 612 int 613 ultrix_sys_exportfs(p, v, retval) 614 struct proc *p; 615 void *v; 616 register_t *retval; 617 { 618 #ifdef notyet 619 struct ultrix_sys_exportfs_args *uap = v; 620 #endif 621 622 /* 623 * XXX: should perhaps translate into a mount(2) 624 * with MOUNT_EXPORT? 625 */ 626 return 0; 627 } 628 629 int 630 ultrix_sys_sigpending(p, v, retval) 631 struct proc *p; 632 void *v; 633 register_t *retval; 634 { 635 struct ultrix_sys_sigpending_args *uap = v; 636 sigset_t ss; 637 int mask; 638 639 sigpending1(p, &ss); 640 mask = ss.__bits[0]; 641 642 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 643 } 644 645 int 646 ultrix_sys_sigreturn(p, v, retval) 647 struct proc *p; 648 void *v; 649 register_t *retval; 650 { 651 struct ultrix_sys_sigreturn_args *uap = v; 652 653 /* struct sigcontext13 is close enough to Ultrix */ 654 655 return (compat_13_sys_sigreturn(p, uap, retval)); 656 } 657 658 int 659 ultrix_sys_sigcleanup(p, v, retval) 660 struct proc *p; 661 void *v; 662 register_t *retval; 663 { 664 struct ultrix_sys_sigcleanup_args *uap = v; 665 666 /* struct sigcontext13 is close enough to Ultrix */ 667 668 return (compat_13_sys_sigreturn(p, uap, retval)); 669 } 670 671 int 672 ultrix_sys_sigsuspend(p, v, retval) 673 struct proc *p; 674 void *v; 675 register_t *retval; 676 { 677 struct ultrix_sys_sigsuspend_args *uap = v; 678 int mask = SCARG(uap, mask); 679 sigset_t ss; 680 681 ss.__bits[0] = mask; 682 ss.__bits[1] = 0; 683 ss.__bits[2] = 0; 684 ss.__bits[3] = 0; 685 686 return (sigsuspend1(p, &ss)); 687 } 688 689 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 690 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 691 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 692 693 int 694 ultrix_sys_sigvec(p, v, retval) 695 struct proc *p; 696 void *v; 697 register_t *retval; 698 { 699 struct ultrix_sys_sigvec_args *uap = v; 700 struct sigvec nsv, osv; 701 struct sigaction nsa, osa; 702 int error; 703 704 if (SCARG(uap, nsv)) { 705 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 706 if (error) 707 return (error); 708 nsa.sa_handler = nsv.sv_handler; 709 #if 0 /* documentation */ 710 /* ONSTACK is identical */ 711 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 712 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 713 /* old signal() - always restart */ 714 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 715 /* inverted meaning (same bit) */ 716 ) 717 nsa.sa_flags |= SA_RESTART; 718 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 719 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 720 nsa.sa_flags ^= SA_RESTART; 721 #endif 722 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 723 } 724 error = sigaction1(p, SCARG(uap, signum), 725 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0); 726 if (error) 727 return (error); 728 if (SCARG(uap, osv)) { 729 osv.sv_handler = osa.sa_handler; 730 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 731 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 732 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 733 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 734 if (error) 735 return (error); 736 } 737 return (0); 738 } 739 740 int 741 ultrix_sys_shmsys(p, v, retval) 742 struct proc *p; 743 void *v; 744 register_t *retval; 745 { 746 747 #ifdef SYSVSHM 748 749 /* Ultrix SVSHM weirndess: */ 750 struct ultrix_sys_shmsys_args *uap = v; 751 struct sys_shmat_args shmat_args; 752 struct sys_shmctl_args shmctl_args; 753 struct sys_shmdt_args shmdt_args; 754 struct sys_shmget_args shmget_args; 755 756 757 switch (SCARG(uap, shmop)) { 758 case 0: /* Ultrix shmat() */ 759 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 760 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 761 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 762 return (sys_shmat(p, &shmat_args, retval)); 763 764 case 1: /* Ultrix shmctl() */ 765 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 766 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 767 SCARG(&shmctl_args, buf) = (struct shmid_ds *)SCARG(uap, a4); 768 return (sys_shmctl(p, &shmctl_args, retval)); 769 770 case 2: /* Ultrix shmdt() */ 771 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 772 return (sys_shmdt(p, &shmdt_args, retval)); 773 774 case 3: /* Ultrix shmget() */ 775 SCARG(&shmget_args, key) = SCARG(uap, a2); 776 SCARG(&shmget_args, size) = SCARG(uap, a3); 777 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 778 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 779 return (sys_shmget(p, &shmget_args, retval)); 780 781 default: 782 return (EINVAL); 783 } 784 #else 785 return (EOPNOTSUPP); 786 #endif /* SYSVSHM */ 787 } 788 789 static int 790 ultrix_to_bsd_flock(ufl, fl) 791 struct ultrix_flock *ufl; 792 struct flock *fl; 793 { 794 795 fl->l_start = ufl->l_start; 796 fl->l_len = ufl->l_len; 797 fl->l_pid = ufl->l_pid; 798 fl->l_whence = ufl->l_whence; 799 800 switch (ufl->l_type) { 801 case ULTRIX_F_RDLCK: 802 fl->l_type = F_RDLCK; 803 break; 804 case ULTRIX_F_WRLCK: 805 fl->l_type = F_WRLCK; 806 break; 807 case ULTRIX_F_UNLCK: 808 fl->l_type = F_UNLCK; 809 break; 810 default: 811 return (EINVAL); 812 } 813 814 return (0); 815 } 816 817 static void 818 bsd_to_ultrix_flock(fl, ufl) 819 struct flock *fl; 820 struct ultrix_flock *ufl; 821 { 822 823 ufl->l_start = fl->l_start; 824 ufl->l_len = fl->l_len; 825 ufl->l_pid = fl->l_pid; 826 ufl->l_whence = fl->l_whence; 827 828 switch (fl->l_type) { 829 case F_RDLCK: 830 ufl->l_type = ULTRIX_F_RDLCK; 831 break; 832 case F_WRLCK: 833 ufl->l_type = ULTRIX_F_WRLCK; 834 break; 835 case F_UNLCK: 836 ufl->l_type = ULTRIX_F_UNLCK; 837 break; 838 } 839 } 840 841 int 842 ultrix_sys_fcntl(p, v, retval) 843 struct proc *p; 844 void *v; 845 register_t *retval; 846 { 847 struct ultrix_sys_fcntl_args *uap = v; 848 int error; 849 struct ultrix_flock ufl; 850 struct flock fl, *flp; 851 caddr_t sg; 852 struct sys_fcntl_args *args, fca; 853 854 switch (SCARG(uap, cmd)) { 855 case F_GETLK: 856 case F_SETLK: 857 case F_SETLKW: 858 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 859 if (error) 860 return (error); 861 error = ultrix_to_bsd_flock(&ufl, &fl); 862 if (error) 863 return (error); 864 sg = stackgap_init(p->p_emul); 865 flp = (struct flock *)stackgap_alloc(&sg, sizeof(*flp)); 866 error = copyout(&fl, flp, sizeof(*flp)); 867 if (error) 868 return (error); 869 870 SCARG(&fca, fd) = SCARG(uap, fd); 871 SCARG(&fca, cmd) = SCARG(uap, cmd); 872 SCARG(&fca, arg) = flp; 873 args = &fca; 874 break; 875 default: 876 args = v; 877 break; 878 } 879 880 error = sys_fcntl(p, args, retval); 881 if (error) 882 return (error); 883 884 switch (SCARG(uap, cmd)) { 885 case F_GETLK: 886 error = copyin(flp, &fl, sizeof(fl)); 887 if (error) 888 return (error); 889 bsd_to_ultrix_flock(&fl, &ufl); 890 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 891 break; 892 } 893 894 return (error); 895 } 896
Indexes created Fri Oct 03 17:10:05 GMT 2025