linux32_unistd.c revision 1.8
1 /* $NetBSD: linux32_unistd.c,v 1.8 2007/04/02 16:29:55 njoly Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Emmanuel Dreyfus 17 * 4. The name of the author may not be used to endorse or promote 18 * products derived from this software without specific prior written 19 * permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 36 __KERNEL_RCSID(0, "$NetBSD: linux32_unistd.c,v 1.8 2007/04/02 16:29:55 njoly Exp $"); 37 38 #include <sys/types.h> 39 #include <sys/param.h> 40 #include <sys/fstypes.h> 41 #include <sys/signal.h> 42 #include <sys/dirent.h> 43 #include <sys/kernel.h> 44 #include <sys/fcntl.h> 45 #include <sys/select.h> 46 #include <sys/proc.h> 47 #include <sys/ucred.h> 48 #include <sys/swap.h> 49 50 #include <machine/types.h> 51 52 #include <sys/syscallargs.h> 53 54 #include <compat/netbsd32/netbsd32.h> 55 #include <compat/netbsd32/netbsd32_conv.h> 56 #include <compat/netbsd32/netbsd32_syscallargs.h> 57 58 #include <compat/linux/common/linux_types.h> 59 #include <compat/linux/common/linux_signal.h> 60 #include <compat/linux/common/linux_machdep.h> 61 #include <compat/linux/common/linux_misc.h> 62 #include <compat/linux/common/linux_oldolduname.h> 63 #include <compat/linux/linux_syscallargs.h> 64 65 #include <compat/linux32/common/linux32_types.h> 66 #include <compat/linux32/common/linux32_signal.h> 67 #include <compat/linux32/common/linux32_machdep.h> 68 #include <compat/linux32/common/linux32_sysctl.h> 69 #include <compat/linux32/common/linux32_socketcall.h> 70 #include <compat/linux32/linux32_syscallargs.h> 71 72 static int linux32_select1(struct lwp *, register_t *, 73 int, fd_set *, fd_set *, fd_set *, struct timeval *); 74 75 int 76 linux32_sys_brk(l, v, retval) 77 struct lwp *l; 78 void *v; 79 register_t *retval; 80 { 81 struct linux32_sys_brk_args /* { 82 syscallarg(netbsd32_charp) nsize; 83 } */ *uap = v; 84 struct linux_sys_brk_args ua; 85 86 NETBSD32TOP_UAP(nsize, char); 87 return linux_sys_brk(l, &ua, retval); 88 } 89 90 int 91 linux32_sys_access(l, v, retval) 92 struct lwp *l; 93 void *v; 94 register_t *retval; 95 { 96 struct linux32_sys_access_args /* { 97 syscallarg(const netbsd32_charp) path; 98 syscallarg(int) flags; 99 } */ *uap = v; 100 struct sys_access_args ua; 101 void *sg; 102 103 NETBSD32TOP_UAP(path, const char); 104 NETBSD32TO64_UAP(flags); 105 106 sg = stackgap_init(l->l_proc, 0); 107 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 108 109 return sys_access(l, &ua, retval); 110 } 111 112 int 113 linux32_sys_llseek(l, v, retval) 114 struct lwp *l; 115 void *v; 116 register_t *retval; 117 { 118 struct linux32_sys_llseek_args /* { 119 syscallcarg(int) fd; 120 syscallarg(u_int32_t) ohigh; 121 syscallarg(u_int32_t) olow; 122 syscallarg(netbsd32_void *) res; 123 syscallcarg(int) whence; 124 } */ *uap = v; 125 struct linux_sys_llseek_args ua; 126 127 NETBSD32TO64_UAP(fd); 128 NETBSD32TO64_UAP(ohigh); 129 NETBSD32TO64_UAP(olow); 130 NETBSD32TOP_UAP(res, char); 131 NETBSD32TO64_UAP(whence); 132 133 return linux_sys_llseek(l, &ua, retval); 134 } 135 136 int 137 linux32_sys_readlink(l, v, retval) 138 struct lwp *l; 139 void *v; 140 register_t *retval; 141 { 142 struct linux32_sys_readlink_args /* { 143 syscallarg(const netbsd32_charp) name; 144 syscallarg(netbsd32_charp) buf; 145 syscallarg(int) count; 146 } */ *uap = v; 147 struct linux_sys_readlink_args ua; 148 149 NETBSD32TOP_UAP(name, const char); 150 NETBSD32TOP_UAP(buf, char) 151 NETBSD32TO64_UAP(count); 152 153 return linux_sys_readlink(l, &ua, retval); 154 } 155 156 157 int 158 linux32_sys_select(l, v, retval) 159 struct lwp *l; 160 void *v; 161 register_t *retval; 162 { 163 struct linux32_sys_select_args /* { 164 syscallarg(int) nfds; 165 syscallarg(netbsd32_fd_setp_t) readfds; 166 syscallarg(netbsd32_fd_setp_t) writefds; 167 syscallarg(netbsd32_fd_setp_t) exceptfds; 168 syscallarg(netbsd32_timevalp_t) timeout; 169 } */ *uap = v; 170 171 return linux32_select1(l, retval, SCARG(uap, nfds), 172 SCARG_P32(uap, readfds), 173 SCARG_P32(uap, writefds), 174 SCARG_P32(uap, exceptfds), 175 SCARG_P32(uap, timeout)); 176 } 177 178 int 179 linux32_sys_oldselect(l, v, retval) 180 struct lwp *l; 181 void *v; 182 register_t *retval; 183 { 184 struct linux32_sys_oldselect_args /* { 185 syscallarg(linux32_oldselectp_t) lsp; 186 } */ *uap = v; 187 struct linux32_oldselect lsp32; 188 int error; 189 190 if ((error = copyin(SCARG_P32(uap, lsp), &lsp32, sizeof(lsp32))) != 0) 191 return error; 192 193 return linux32_select1(l, retval, lsp32.nfds, 194 NETBSD32PTR64(lsp32.readfds), NETBSD32PTR64(lsp32.writefds), 195 NETBSD32PTR64(lsp32.exceptfds), NETBSD32PTR64(lsp32.timeout)); 196 } 197 198 static int 199 linux32_select1(l, retval, nfds, readfds, writefds, exceptfds, timeout) 200 struct lwp *l; 201 register_t *retval; 202 int nfds; 203 fd_set *readfds, *writefds, *exceptfds; 204 struct timeval *timeout; 205 { 206 struct timeval tv0, tv1, utv, otv, *tv = NULL; 207 struct netbsd32_timeval utv32; 208 int error; 209 210 timerclear(&otv); /* XXX GCC4 */ 211 212 /* 213 * Store current time for computation of the amount of 214 * time left. 215 */ 216 if (timeout) { 217 if ((error = copyin(timeout, &utv32, sizeof(utv32)))) 218 return error; 219 220 netbsd32_to_timeval(&utv32, &utv); 221 otv = utv; 222 223 if (itimerfix(&utv)) { 224 /* 225 * The timeval was invalid. Convert it to something 226 * valid that will act as it does under Linux. 227 */ 228 utv.tv_sec += utv.tv_usec / 1000000; 229 utv.tv_usec %= 1000000; 230 if (utv.tv_usec < 0) { 231 utv.tv_sec -= 1; 232 utv.tv_usec += 1000000; 233 } 234 if (utv.tv_sec < 0) 235 timerclear(&utv); 236 } 237 microtime(&tv0); 238 tv = &utv; 239 } 240 241 error = selcommon(l, retval, nfds, 242 readfds, writefds, exceptfds, tv, NULL); 243 244 if (error) { 245 /* 246 * See fs/select.c in the Linux kernel. Without this, 247 * Maelstrom doesn't work. 248 */ 249 if (error == ERESTART) 250 error = EINTR; 251 return error; 252 } 253 254 if (timeout) { 255 if (*retval) { 256 /* 257 * Compute how much time was left of the timeout, 258 * by subtracting the current time and the time 259 * before we started the call, and subtracting 260 * that result from the user-supplied value. 261 */ 262 microtime(&tv1); 263 timersub(&tv1, &tv0, &tv1); 264 timersub(&otv, &tv1, &utv); 265 if (utv.tv_sec < 0) 266 timerclear(&utv); 267 } else { 268 timerclear(&utv); 269 } 270 271 netbsd32_from_timeval(&utv, &utv32); 272 273 if ((error = copyout(&utv32, timeout, sizeof(utv32)))) 274 return error; 275 } 276 277 return 0; 278 } 279 280 int 281 linux32_sys_pipe(l, v, retval) 282 struct lwp *l; 283 void *v; 284 register_t *retval; 285 { 286 struct linux32_sys_pipe_args /* { 287 syscallarg(netbsd32_intp) fd; 288 } */ *uap = v; 289 int error; 290 int pfds[2]; 291 292 if ((error = sys_pipe(l, 0, retval))) 293 return error; 294 295 pfds[0] = (int)retval[0]; 296 pfds[1] = (int)retval[1]; 297 298 if ((error = copyout(pfds, SCARG_P32(uap, fd), 2 * sizeof (int))) != 0) 299 return error; 300 301 retval[0] = 0; 302 retval[1] = 0; 303 304 return 0; 305 } 306 307 308 int 309 linux32_sys_unlink(l, v, retval) 310 struct lwp *l; 311 void *v; 312 register_t *retval; 313 { 314 struct linux32_sys_unlink_args /* { 315 syscallarg(const netbsd32_charp) path; 316 } */ *uap = v; 317 struct linux_sys_unlink_args ua; 318 319 NETBSD32TOP_UAP(path, const char); 320 321 return linux_sys_unlink(l, &ua, retval); 322 } 323 324 int 325 linux32_sys_chdir(l, v, retval) 326 struct lwp *l; 327 void *v; 328 register_t *retval; 329 { 330 struct linux32_sys_chdir_args /* { 331 syscallarg(const netbsd32_charp) path; 332 } */ *uap = v; 333 struct sys_chdir_args ua; 334 void *sg = stackgap_init(l->l_proc, 0); 335 336 NETBSD32TOP_UAP(path, const char); 337 338 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 339 340 return sys_chdir(l, &ua, retval); 341 } 342 343 int 344 linux32_sys_link(l, v, retval) 345 struct lwp *l; 346 void *v; 347 register_t *retval; 348 { 349 struct linux32_sys_link_args /* { 350 syscallarg(const netbsd32_charp) path; 351 syscallarg(const netbsd32_charp) link; 352 } */ *uap = v; 353 struct sys_link_args ua; 354 void *sg = stackgap_init(l->l_proc, 0); 355 356 NETBSD32TOP_UAP(path, const char); 357 NETBSD32TOP_UAP(link, const char); 358 359 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 360 CHECK_ALT_CREAT(l, &sg, SCARG(&ua, link)); 361 362 return sys_link(l, &ua, retval); 363 } 364 365 int 366 linux32_sys_creat(l, v, retval) 367 struct lwp *l; 368 void *v; 369 register_t *retval; 370 { 371 struct linux32_sys_creat_args /* { 372 syscallarg(const netbsd32_charp) path; 373 syscallarg(int) mode; 374 } */ *uap = v; 375 struct sys_open_args ua; 376 void *sg = stackgap_init(l->l_proc, 0); 377 378 NETBSD32TOP_UAP(path, const char); 379 SCARG(&ua, flags) = O_CREAT | O_TRUNC | O_WRONLY; 380 NETBSD32TO64_UAP(mode); 381 382 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 383 384 return sys_open(l, &ua, retval); 385 } 386 387 int 388 linux32_sys_mknod(l, v, retval) 389 struct lwp *l; 390 void *v; 391 register_t *retval; 392 { 393 struct linux32_sys_mknod_args /* { 394 syscallarg(const netbsd32_charp) path; 395 syscallarg(int) mode; 396 syscallarg(int) dev; 397 } */ *uap = v; 398 struct linux_sys_mknod_args ua; 399 400 NETBSD32TOP_UAP(path, const char); 401 NETBSD32TO64_UAP(mode); 402 NETBSD32TO64_UAP(dev); 403 404 return linux_sys_mknod(l, &ua, retval); 405 } 406 407 int 408 linux32_sys_chmod(l, v, retval) 409 struct lwp *l; 410 void *v; 411 register_t *retval; 412 { 413 struct linux32_sys_chmod_args /* { 414 syscallarg(const netbsd32_charp) path; 415 syscallarg(int) mode; 416 } */ *uap = v; 417 struct sys_chmod_args ua; 418 void *sg = stackgap_init(l->l_proc, 0); 419 420 NETBSD32TOP_UAP(path, const char); 421 NETBSD32TO64_UAP(mode); 422 423 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 424 425 return sys_chmod(l, &ua, retval); 426 } 427 428 int 429 linux32_sys_lchown16(l, v, retval) 430 struct lwp *l; 431 void *v; 432 register_t *retval; 433 { 434 struct linux32_sys_lchown16_args /* { 435 syscallarg(const netbsd32_charp) path; 436 syscallarg(int) uid; 437 syscallarg(int) gid; 438 } */ *uap = v; 439 struct sys___posix_lchown_args ua; 440 void *sg = stackgap_init(l->l_proc, 0); 441 442 NETBSD32TOP_UAP(path, const char); 443 CHECK_ALT_SYMLINK(l, &sg, SCARG(&ua, path)); 444 445 if ((linux32_uid_t)SCARG(uap, uid) == (linux32_uid_t)-1) 446 SCARG(&ua, uid) = (uid_t)-1; 447 else 448 SCARG(&ua, uid) = SCARG(uap, uid); 449 450 if ((linux32_gid_t)SCARG(uap, gid) == (linux32_gid_t)-1) 451 SCARG(&ua, gid) = (gid_t)-1; 452 else 453 SCARG(&ua, gid) = SCARG(uap, gid); 454 455 return sys___posix_lchown(l, &ua, retval); 456 } 457 458 int 459 linux32_sys_break(l, v, retval) 460 struct lwp *l; 461 void *v; 462 register_t *retval; 463 { 464 #if 0 465 struct linux32_sys_break_args /* { 466 syscallarg(const netbsd32_charp) nsize; 467 } */ *uap = v; 468 #endif 469 470 return ENOSYS; 471 } 472 473 int 474 linux32_sys_rename(l, v, retval) 475 struct lwp *l; 476 void *v; 477 register_t *retval; 478 { 479 struct linux32_sys_rename_args /* { 480 syscallarg(const netbsd32_charp) from; 481 syscallarg(const netbsd32_charp) to; 482 } */ *uap = v; 483 struct sys_rename_args ua; 484 void *sg = stackgap_init(l->l_proc, 0); 485 486 NETBSD32TOP_UAP(from, const char); 487 NETBSD32TOP_UAP(to, const char); 488 489 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, from)); 490 CHECK_ALT_CREAT(l, &sg, SCARG(&ua, to)); 491 492 return sys___posix_rename(l, &ua, retval); 493 } 494 495 int 496 linux32_sys_mkdir(l, v, retval) 497 struct lwp *l; 498 void *v; 499 register_t *retval; 500 { 501 struct linux32_sys_mkdir_args /* { 502 syscallarg(const netbsd32_charp) path; 503 syscallarg(int) mode; 504 } */ *uap = v; 505 struct sys_mkdir_args ua; 506 void *sg = stackgap_init(l->l_proc, 0); 507 508 NETBSD32TOP_UAP(path, const char); 509 NETBSD32TO64_UAP(mode); 510 511 CHECK_ALT_CREAT(l, &sg, SCARG(&ua, path)); 512 513 return sys_mkdir(l, &ua, retval); 514 } 515 516 int 517 linux32_sys_rmdir(l, v, retval) 518 struct lwp *l; 519 void *v; 520 register_t *retval; 521 { 522 struct linux32_sys_rmdir_args /* { 523 syscallarg(const netbsd32_charp) path; 524 } */ *uap = v; 525 struct sys_rmdir_args ua; 526 void *sg = stackgap_init(l->l_proc, 0); 527 528 NETBSD32TOP_UAP(path, const char); 529 530 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 531 532 return sys_rmdir(l, &ua, retval); 533 } 534 535 int 536 linux32_sys_getgroups16(l, v, retval) 537 struct lwp *l; 538 void *v; 539 register_t *retval; 540 { 541 struct linux32_sys_getgroups16_args /* { 542 syscallarg(int) gidsetsize; 543 syscallarg(linux32_gidp_t) gidset; 544 } */ *uap = v; 545 struct linux_sys_getgroups16_args ua; 546 547 NETBSD32TO64_UAP(gidsetsize); 548 NETBSD32TOP_UAP(gidset, linux_gid_t); 549 550 return linux_sys_getgroups16(l, &ua, retval); 551 } 552 553 int 554 linux32_sys_setgroups16(l, v, retval) 555 struct lwp *l; 556 void *v; 557 register_t *retval; 558 { 559 struct linux32_sys_setgroups16_args /* { 560 syscallarg(int) gidsetsize; 561 syscallarg(linux32_gidp_t) gidset; 562 } */ *uap = v; 563 struct linux_sys_setgroups16_args ua; 564 565 NETBSD32TO64_UAP(gidsetsize); 566 NETBSD32TOP_UAP(gidset, linux_gid_t); 567 568 return linux_sys_setgroups16(l, &ua, retval); 569 } 570 571 int 572 linux32_sys_symlink(l, v, retval) 573 struct lwp *l; 574 void *v; 575 register_t *retval; 576 { 577 struct linux32_sys_symlink_args /* { 578 syscallarg(const netbsd32_charp) path; 579 syscallarg(const netbsd32_charp) link; 580 } */ *uap = v; 581 struct sys_symlink_args ua; 582 void *sg = stackgap_init(l->l_proc, 0); 583 584 NETBSD32TOP_UAP(path, const char); 585 NETBSD32TOP_UAP(link, const char); 586 587 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 588 CHECK_ALT_CREAT(l, &sg, SCARG(&ua, link)); 589 590 return sys_symlink(l, &ua, retval); 591 } 592 593 594 int 595 linux32_sys_swapon(l, v, retval) 596 struct lwp *l; 597 void *v; 598 register_t *retval; 599 { 600 struct linux32_sys_swapon_args /* { 601 syscallarg(const netbsd32_charp) name; 602 } */ *uap = v; 603 struct sys_swapctl_args ua; 604 605 SCARG(&ua, cmd) = SWAP_ON; 606 SCARG(&ua, arg) = SCARG_P32(uap, name); 607 SCARG(&ua, misc) = 0; /* priority */ 608 return (sys_swapctl(l, &ua, retval)); 609 } 610 611 int 612 linux32_sys_swapoff(l, v, retval) 613 struct lwp *l; 614 void *v; 615 register_t *retval; 616 { 617 struct linux32_sys_swapoff_args /* { 618 syscallarg(const netbsd32_charp) path; 619 } */ *uap = v; 620 struct sys_swapctl_args ua; 621 622 SCARG(&ua, cmd) = SWAP_OFF; 623 SCARG(&ua, arg) = SCARG_P32(uap, path); 624 SCARG(&ua, misc) = 0; /* priority */ 625 return (sys_swapctl(l, &ua, retval)); 626 } 627 628 629 int 630 linux32_sys_reboot(l, v, retval) 631 struct lwp *l; 632 void *v; 633 register_t *retval; 634 { 635 struct linux32_sys_reboot_args /* { 636 syscallarg(int) magic1; 637 syscallarg(int) magic2; 638 syscallarg(int) cmd; 639 syscallarg(netbsd32_voidp) arg; 640 } */ *uap = v; 641 struct linux_sys_reboot_args ua; 642 643 NETBSD32TO64_UAP(magic1); 644 NETBSD32TO64_UAP(magic2); 645 NETBSD32TO64_UAP(cmd); 646 NETBSD32TOP_UAP(arg, void); 647 648 return linux_sys_reboot(l, &ua, retval); 649 } 650 651 int 652 linux32_sys_truncate(l, v, retval) 653 struct lwp *l; 654 void *v; 655 register_t *retval; 656 { 657 struct linux32_sys_truncate_args /* { 658 syscallarg(const netbsd32_charp) path; 659 syscallarg(netbsd32_charp) buf; 660 syscallarg(int) count; 661 } */ *uap = v; 662 struct compat_43_sys_truncate_args ua; 663 664 NETBSD32TOP_UAP(path, const char); 665 NETBSD32TO64_UAP(length); 666 667 return compat_43_sys_truncate(l, &ua, retval); 668 } 669 670 int 671 linux32_sys_fchown16(l, v, retval) 672 struct lwp *l; 673 void *v; 674 register_t *retval; 675 { 676 struct linux32_sys_fchown16_args /* { 677 syscallarg(int) fd; 678 syscallarg(int) uid; 679 syscallarg(int) gid; 680 } */ *uap = v; 681 struct sys___posix_fchown_args ua; 682 683 SCARG(&ua, fd) = SCARG(uap, fd); 684 685 if ((linux32_uid_t)SCARG(uap, uid) == (linux32_uid_t)-1) 686 SCARG(&ua, uid) = (uid_t)-1; 687 else 688 SCARG(&ua, uid) = SCARG(uap, uid); 689 690 if ((linux32_gid_t)SCARG(uap, gid) == (linux32_gid_t)-1) 691 SCARG(&ua, gid) = (gid_t)-1; 692 else 693 SCARG(&ua, gid) = SCARG(uap, gid); 694 695 return sys___posix_fchown(l, &ua, retval); 696 } 697 698 int 699 linux32_sys_setresuid(l, v, retval) 700 struct lwp *l; 701 void *v; 702 register_t *retval; 703 { 704 struct linux32_sys_setresuid_args /* { 705 syscallarg(uid_t) ruid; 706 syscallarg(uid_t) euid; 707 syscallarg(uid_t) suid; 708 } */ *uap = v; 709 struct linux_sys_setresuid_args ua; 710 711 SCARG(&ua, ruid) = (SCARG(uap, ruid) == -1) ? -1 : SCARG(uap, ruid); 712 SCARG(&ua, euid) = (SCARG(uap, euid) == -1) ? -1 : SCARG(uap, euid); 713 SCARG(&ua, suid) = (SCARG(uap, suid) == -1) ? -1 : SCARG(uap, suid); 714 715 return linux_sys_setresuid(l, &ua, retval); 716 } 717 718 int 719 linux32_sys_setresgid(l, v, retval) 720 struct lwp *l; 721 void *v; 722 register_t *retval; 723 { 724 struct linux32_sys_setresgid_args /* { 725 syscallarg(gid_t) rgid; 726 syscallarg(gid_t) egid; 727 syscallarg(gid_t) sgid; 728 } */ *uap = v; 729 struct linux_sys_setresgid_args ua; 730 731 SCARG(&ua, rgid) = (SCARG(uap, rgid) == -1) ? -1 : SCARG(uap, rgid); 732 SCARG(&ua, egid) = (SCARG(uap, egid) == -1) ? -1 : SCARG(uap, egid); 733 SCARG(&ua, sgid) = (SCARG(uap, sgid) == -1) ? -1 : SCARG(uap, sgid); 734 735 return linux_sys_setresgid(l, &ua, retval); 736 } 737
Indexes created Tue Sep 23 20:09:58 GMT 2025