ultrix_misc.c revision 1.44
1 /* $NetBSD: ultrix_misc.c,v 1.44 1998/09/26 16:24:14 drochner 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 84 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 85 86 __KERNEL_RCSID(0, "$NetBSD: ultrix_misc.c,v 1.44 1998/09/26 16:24:14 drochner Exp $"); 87 88 /* 89 * SunOS compatibility module. 90 * 91 * SunOS system calls that are implemented differently in BSD are 92 * handled here. 93 */ 94 95 #include "fs_nfs.h" 96 97 #include <sys/param.h> 98 #include <sys/systm.h> 99 #include <sys/namei.h> 100 #include <sys/dirent.h> 101 #include <sys/proc.h> 102 #include <sys/file.h> 103 #include <sys/filedesc.h> 104 /*#include <sys/stat.h>*/ 105 /*#include <sys/ioctl.h>*/ 106 #include <sys/kernel.h> 107 #include <sys/exec.h> 108 #include <sys/malloc.h> 109 #include <sys/mbuf.h> 110 #include <sys/mman.h> 111 #include <sys/mount.h> 112 #include <sys/resource.h> 113 #include <sys/resourcevar.h> 114 #include <sys/signal.h> 115 #include <sys/signalvar.h> 116 #include <sys/socket.h> 117 #include <sys/vnode.h> 118 #include <sys/uio.h> 119 #include <sys/wait.h> 120 #include <sys/utsname.h> 121 #include <sys/unistd.h> 122 #include <sys/ipc.h> 123 124 #include <sys/syscallargs.h> 125 126 #include <compat/ultrix/ultrix_syscall.h> 127 #include <compat/ultrix/ultrix_syscallargs.h> 128 #include <compat/common/compat_util.h> 129 130 #include <netinet/in.h> 131 132 #include <miscfs/specfs/specdev.h> 133 134 #include <nfs/rpcv2.h> 135 #include <nfs/nfsproto.h> 136 #include <nfs/nfs.h> 137 138 #include <vm/vm.h> /* pmap declarations */ 139 140 #include <sys/conf.h> /* iszerodev() */ 141 #include <sys/socketvar.h> /* sosetopt() */ 142 143 144 extern struct sysent ultrix_sysent[]; 145 extern char *ultrix_syscallnames[]; 146 147 148 /* 149 * Select the appropriate setregs callback for the target architecture. 150 */ 151 #ifdef mips 152 #include <machine/ecoff_machdep.h> 153 #define ULTRIX_EXEC_SETREGS cpu_exec_ecoff_setregs 154 #endif /* mips */ 155 156 #ifdef vax 157 #define ULTRIX_EXEC_SETREGS setregs 158 #endif /* mips */ 159 160 161 extern void ULTRIX_EXEC_SETREGS __P((struct proc *, struct exec_package *, 162 u_long)); 163 extern char sigcode[], esigcode[]; 164 165 struct emul emul_ultrix = { 166 "ultrix", 167 NULL, 168 sendsig, 169 ULTRIX_SYS_syscall, 170 ULTRIX_SYS_MAXSYSCALL, 171 ultrix_sysent, 172 ultrix_syscallnames, 173 0, 174 copyargs, 175 ULTRIX_EXEC_SETREGS, 176 sigcode, 177 esigcode, 178 }; 179 180 #define GSI_PROG_ENV 1 181 182 int 183 ultrix_sys_getsysinfo(p, v, retval) 184 struct proc *p; 185 void *v; 186 register_t *retval; 187 { 188 struct ultrix_sys_getsysinfo_args *uap = v; 189 static short progenv = 0; 190 191 switch (SCARG(uap, op)) { 192 /* operations implemented: */ 193 case GSI_PROG_ENV: 194 if (SCARG(uap, nbytes) < sizeof(short)) 195 return EINVAL; 196 *retval = 1; 197 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 198 default: 199 *retval = 0; /* info unavail */ 200 return 0; 201 } 202 } 203 204 int 205 ultrix_sys_setsysinfo(p, v, retval) 206 struct proc *p; 207 void *v; 208 register_t *retval; 209 { 210 211 #ifdef notyet 212 struct ultrix_sys_setsysinfo_args *uap = v; 213 #endif 214 215 *retval = 0; 216 return 0; 217 } 218 219 int 220 ultrix_sys_waitpid(p, v, retval) 221 struct proc *p; 222 void *v; 223 register_t *retval; 224 { 225 struct ultrix_sys_waitpid_args *uap = v; 226 struct sys_wait4_args ua; 227 228 SCARG(&ua, pid) = SCARG(uap, pid); 229 SCARG(&ua, status) = SCARG(uap, status); 230 SCARG(&ua, options) = SCARG(uap, options); 231 SCARG(&ua, rusage) = 0; 232 233 return (sys_wait4(p, &ua, retval)); 234 } 235 236 int 237 ultrix_sys_wait3(p, v, retval) 238 struct proc *p; 239 void *v; 240 register_t *retval; 241 { 242 struct ultrix_sys_wait3_args *uap = v; 243 struct sys_wait4_args ua; 244 245 SCARG(&ua, pid) = -1; 246 SCARG(&ua, status) = SCARG(uap, status); 247 SCARG(&ua, options) = SCARG(uap, options); 248 SCARG(&ua, rusage) = SCARG(uap, rusage); 249 250 return (sys_wait4(p, &ua, retval)); 251 } 252 253 /* 254 * Ultrix binaries pass in FD_MAX as the first arg to select(). 255 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 256 * can handle. 257 * Since we can't have more than the (native) FD_MAX descriptors open, 258 * limit nfds to at most FD_MAX. 259 */ 260 int 261 ultrix_sys_select(p, v, retval) 262 struct proc *p; 263 void *v; 264 register_t *retval; 265 { 266 struct sys_select_args *uap = v; 267 struct timeval atv; 268 int error; 269 270 /* Limit number of FDs selected on to the native maximum */ 271 272 if (SCARG(uap, nd) > FD_SETSIZE) 273 SCARG(uap, nd) = FD_SETSIZE; 274 275 /* Check for negative timeval */ 276 if (SCARG(uap, tv)) { 277 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 278 sizeof(atv)); 279 if (error) 280 goto done; 281 #ifdef DEBUG 282 /* Ultrix clients sometimes give negative timeouts? */ 283 if (atv.tv_sec < 0 || atv.tv_usec < 0) 284 printf("ultrix select( %ld, %ld): negative timeout\n", 285 atv.tv_sec, atv.tv_usec); 286 /*tvp = (timeval *)STACKGAPBASE;*/ 287 #endif 288 289 } 290 error = sys_select(p, (void*) uap, retval); 291 if (error == EINVAL) 292 printf("ultrix select: bad args?\n"); 293 294 done: 295 return error; 296 } 297 298 #if defined(NFS) 299 int 300 async_daemon(p, v, retval) 301 struct proc *p; 302 void *v; 303 register_t *retval; 304 { 305 struct sys_nfssvc_args ouap; 306 307 SCARG(&ouap, flag) = NFSSVC_BIOD; 308 SCARG(&ouap, argp) = NULL; 309 310 return (sys_nfssvc(p, &ouap, retval)); 311 } 312 #endif /* NFS */ 313 314 315 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 316 317 int 318 ultrix_sys_mmap(p, v, retval) 319 register struct proc *p; 320 void *v; 321 register_t *retval; 322 { 323 register struct ultrix_sys_mmap_args *uap = v; 324 struct sys_mmap_args ouap; 325 register struct filedesc *fdp; 326 register struct file *fp; 327 register struct vnode *vp; 328 329 /* 330 * Verify the arguments. 331 */ 332 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 333 return (EINVAL); /* XXX still needed? */ 334 335 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 336 return (EINVAL); 337 338 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 339 SCARG(&ouap, addr) = SCARG(uap, addr); 340 341 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 342 SCARG(&ouap, addr) != 0 && 343 SCARG(&ouap, addr) < (void *)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) 344 SCARG(&ouap, addr) = (void *)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); 345 346 SCARG(&ouap, len) = SCARG(uap, len); 347 SCARG(&ouap, prot) = SCARG(uap, prot); 348 SCARG(&ouap, fd) = SCARG(uap, fd); 349 SCARG(&ouap, pos) = SCARG(uap, pos); 350 351 /* 352 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 353 */ 354 fdp = p->p_fd; 355 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 356 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 357 fp->f_type == DTYPE_VNODE && /*XXX*/ 358 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 359 iszerodev(vp->v_rdev)) { /*XXX*/ 360 SCARG(&ouap, flags) |= MAP_ANON; 361 SCARG(&ouap, fd) = -1; 362 } 363 364 return (sys_mmap(p, &ouap, retval)); 365 } 366 367 int 368 ultrix_sys_setsockopt(p, v, retval) 369 struct proc *p; 370 void *v; 371 register_t *retval; 372 { 373 register struct ultrix_sys_setsockopt_args *uap = v; 374 struct file *fp; 375 struct mbuf *m = NULL; 376 int error; 377 378 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 379 return (error); 380 #define SO_DONTLINGER (~SO_LINGER) 381 if (SCARG(uap, name) == SO_DONTLINGER) { 382 m = m_get(M_WAIT, MT_SOOPTS); 383 mtod(m, struct linger *)->l_onoff = 0; 384 m->m_len = sizeof(struct linger); 385 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 386 SO_LINGER, m)); 387 } 388 if (SCARG(uap, level) == IPPROTO_IP) { 389 #define EMUL_IP_MULTICAST_IF 2 390 #define EMUL_IP_MULTICAST_TTL 3 391 #define EMUL_IP_MULTICAST_LOOP 4 392 #define EMUL_IP_ADD_MEMBERSHIP 5 393 #define EMUL_IP_DROP_MEMBERSHIP 6 394 static int ipoptxlat[] = { 395 IP_MULTICAST_IF, 396 IP_MULTICAST_TTL, 397 IP_MULTICAST_LOOP, 398 IP_ADD_MEMBERSHIP, 399 IP_DROP_MEMBERSHIP 400 }; 401 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 402 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 403 SCARG(uap, name) = 404 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 405 } 406 } 407 if (SCARG(uap, valsize) > MLEN) 408 return (EINVAL); 409 if (SCARG(uap, val)) { 410 m = m_get(M_WAIT, MT_SOOPTS); 411 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 412 (u_int)SCARG(uap, valsize)); 413 if (error) { 414 (void) m_free(m); 415 return (error); 416 } 417 m->m_len = SCARG(uap, valsize); 418 } 419 return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 420 SCARG(uap, name), m)); 421 } 422 423 struct ultrix_utsname { 424 char sysname[9]; 425 char nodename[9]; 426 char nodeext[65-9]; 427 char release[9]; 428 char version[9]; 429 char machine[9]; 430 }; 431 432 int 433 ultrix_sys_uname(p, v, retval) 434 struct proc *p; 435 void *v; 436 register_t *retval; 437 { 438 struct ultrix_sys_uname_args *uap = v; 439 struct ultrix_utsname sut; 440 extern char ostype[], machine[], osrelease[]; 441 442 memset(&sut, 0, sizeof(sut)); 443 444 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 445 memcpy(sut.nodename, hostname, sizeof(sut.nodename)); 446 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 447 memcpy(sut.release, osrelease, sizeof(sut.release) - 1); 448 memcpy(sut.version, "1", sizeof(sut.version) - 1); 449 memcpy(sut.machine, machine, sizeof(sut.machine) - 1); 450 451 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 452 sizeof(struct ultrix_utsname)); 453 } 454 455 int 456 ultrix_sys_setpgrp(p, v, retval) 457 struct proc *p; 458 void *v; 459 register_t *retval; 460 { 461 struct ultrix_sys_setpgrp_args *uap = v; 462 463 /* 464 * difference to our setpgid call is to include backwards 465 * compatibility to pre-setsid() binaries. Do setsid() 466 * instead of setpgid() in those cases where the process 467 * tries to create a new session the old way. 468 */ 469 if (!SCARG(uap, pgid) && 470 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 471 return sys_setsid(p, uap, retval); 472 else 473 return sys_setpgid(p, uap, retval); 474 } 475 476 #if defined (NFSSERVER) 477 int 478 ultrix_sys_nfssvc(p, v, retval) 479 struct proc *p; 480 void *v; 481 register_t *retval; 482 { 483 484 #if 0 /* XXX */ 485 struct ultrix_sys_nfssvc_args *uap = v; 486 struct emul *e = p->p_emul; 487 struct sys_nfssvc_args outuap; 488 struct sockaddr sa; 489 int error; 490 491 memset(&outuap, 0, sizeof outuap); 492 SCARG(&outuap, fd) = SCARG(uap, fd); 493 SCARG(&outuap, mskval) = STACKGAPBASE; 494 SCARG(&outuap, msklen) = sizeof sa; 495 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 496 SCARG(&outuap, mtchlen) = sizeof sa; 497 498 memset(&sa, 0, sizeof sa); 499 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 500 return (error); 501 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 502 return (error); 503 504 return nfssvc(p, &outuap, retval); 505 #else 506 return (ENOSYS); 507 #endif 508 } 509 #endif /* NFSSERVER */ 510 511 struct ultrix_ustat { 512 daddr_t f_tfree; /* total free */ 513 ino_t f_tinode; /* total inodes free */ 514 char f_fname[6]; /* filsys name */ 515 char f_fpack[6]; /* filsys pack name */ 516 }; 517 518 int 519 ultrix_sys_ustat(p, v, retval) 520 struct proc *p; 521 void *v; 522 register_t *retval; 523 { 524 struct ultrix_sys_ustat_args *uap = v; 525 struct ultrix_ustat us; 526 int error; 527 528 memset(&us, 0, sizeof us); 529 530 /* 531 * XXX: should set f_tfree and f_tinode at least 532 * How do we translate dev -> fstat? (and then to ultrix_ustat) 533 */ 534 535 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 536 return (error); 537 return 0; 538 } 539 540 int 541 ultrix_sys_quotactl(p, v, retval) 542 struct proc *p; 543 void *v; 544 register_t *retval; 545 { 546 547 #ifdef notyet 548 struct ultrix_sys_quotactl_args *uap = v; 549 #endif 550 551 return EINVAL; 552 } 553 554 int 555 ultrix_sys_vhangup(p, v, retval) 556 struct proc *p; 557 void *v; 558 register_t *retval; 559 { 560 561 return 0; 562 } 563 564 565 /* 566 * RISC Ultrix cache control syscalls 567 */ 568 #ifdef __mips 569 int 570 ultrix_sys_cacheflush(p, v, retval) 571 register struct proc *p; 572 void *v; 573 register_t *retval; 574 { 575 register struct ultrix_sys_cacheflush_args /* { 576 syscallarg(void *) addr; 577 syscallarg(int) nbytes; 578 syscallarg(int) flag; 579 } */ *uap = v; 580 register vaddr_t va = (vaddr_t)SCARG(uap, addr); 581 register int nbytes = SCARG(uap, nbytes); 582 register int whichcache = SCARG(uap, whichcache); 583 584 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 585 } 586 587 588 int 589 ultrix_sys_cachectl(p, v, retval) 590 register struct proc *p; 591 void *v; 592 register_t *retval; 593 { 594 register struct ultrix_sys_cachectl_args /* { 595 syscallarg(void *) addr; 596 syscallarg(int) nbytes; 597 syscallarg(int) cacheop; 598 } */ *uap = v; 599 register vaddr_t va = (vaddr_t)SCARG(uap, addr); 600 register int nbytes = SCARG(uap, nbytes); 601 register int cacheop = SCARG(uap, cacheop); 602 603 return mips_user_cachectl(p, va, nbytes, cacheop); 604 } 605 606 #endif /* __mips */ 607 608 609 int 610 ultrix_sys_exportfs(p, v, retval) 611 struct proc *p; 612 void *v; 613 register_t *retval; 614 { 615 #ifdef notyet 616 struct ultrix_sys_exportfs_args *uap = v; 617 #endif 618 619 /* 620 * XXX: should perhaps translate into a mount(2) 621 * with MOUNT_EXPORT? 622 */ 623 return 0; 624 } 625 626 int 627 ultrix_sys_sigpending(p, v, retval) 628 struct proc *p; 629 void *v; 630 register_t *retval; 631 { 632 struct ultrix_sys_sigpending_args *uap = v; 633 sigset_t ss; 634 int mask; 635 636 sigpending1(p, &ss); 637 mask = ss.__bits[0]; 638 639 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 640 } 641 642 int 643 ultrix_sys_sigreturn(p, v, retval) 644 struct proc *p; 645 void *v; 646 register_t *retval; 647 { 648 struct ultrix_sys_sigreturn_args *uap = v; 649 650 /* 651 * XXX That's broken; the Ultrix sigcontext differs 652 * XXX from NetBSD's. 653 */ 654 return (sys___sigreturn14(p, uap, retval)); 655 } 656 657 int 658 ultrix_sys_sigcleanup(p, v, retval) 659 struct proc *p; 660 void *v; 661 register_t *retval; 662 { 663 struct ultrix_sys_sigcleanup_args *uap = v; 664 665 /* 666 * XXX That's broken; the Ultrix sigcontext differs 667 * XXX from NetBSD's. 668 */ 669 return (sys___sigreturn14(p, uap, retval)); 670 } 671 672 int 673 ultrix_sys_sigsuspend(p, v, retval) 674 struct proc *p; 675 void *v; 676 register_t *retval; 677 { 678 struct ultrix_sys_sigsuspend_args *uap = v; 679 int mask = SCARG(uap, mask); 680 sigset_t ss; 681 682 ss.__bits[0] = mask; 683 ss.__bits[1] = 0; 684 ss.__bits[2] = 0; 685 ss.__bits[3] = 0; 686 687 return (sigsuspend1(p, &ss)); 688 } 689 690 691 int 692 ultrix_sys_shmsys(p, v, retval) 693 struct proc *p; 694 void *v; 695 register_t *retval; 696 { 697 698 #ifdef SYSVSHM 699 700 /* Ultrix SVSHM weirndess: */ 701 struct ultrix_sys_shmsys_args *uap = v; 702 struct sys_shmat_args shmat_args; 703 struct sys_shmctl_args shmctl_args; 704 struct sys_shmdt_args shmdt_args; 705 struct sys_shmget_args shmget_args; 706 707 708 switch (SCARG(uap, shmop)) { 709 case 0: /* Ultrix shmat() */ 710 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 711 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 712 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 713 return (sys_shmat(p, &shmat_args, retval)); 714 715 case 1: /* Ultrix shmctl() */ 716 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 717 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 718 SCARG(&shmctl_args, buf) = (struct shmid_ds *)SCARG(uap, a4); 719 return (sys_shmctl(p, &shmctl_args, retval)); 720 721 case 2: /* Ultrix shmdt() */ 722 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 723 return (sys_shmdt(p, &shmdt_args, retval)); 724 725 case 3: /* Ultrix shmget() */ 726 SCARG(&shmget_args, key) = SCARG(uap, a2); 727 SCARG(&shmget_args, size) = SCARG(uap, a3); 728 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 729 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 730 return (sys_shmget(p, &shmget_args, retval)); 731 732 default: 733 return (EINVAL); 734 } 735 #else 736 return (EOPNOTSUPP); 737 #endif /* SYSVSHM */ 738 } 739
Indexes created Sun Sep 21 20:09:37 GMT 2025