1 // Copyright 2009,2010 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // Darwin system calls. 6 // This file is compiled as ordinary Go code, 7 // but it is also input to mksyscall, 8 // which parses the //sys lines and generates system call stubs. 9 // Note that sometimes we use a lowercase //sys name and wrap 10 // it in our own nicer implementation, either here or in 11 // syscall_bsd.go or syscall_unix.go. 12 13 package unix 14 15 import ( 16 "errors" 17 "syscall" 18 "unsafe" 19 ) 20 21 const ImplementsGetwd = true 22 23 func Getwd() (string, error) { 24 buf := make([]byte, 2048) 25 attrs, err := getAttrList(".", attrList{CommonAttr: attrCmnFullpath}, buf, 0) 26 if err == nil && len(attrs) == 1 && len(attrs[0]) >= 2 { 27 wd := string(attrs[0]) 28 // Sanity check that it's an absolute path and ends 29 // in a null byte, which we then strip. 30 if wd[0] == '/' && wd[len(wd)-1] == 0 { 31 return wd[:len(wd)-1], nil 32 } 33 } 34 // If pkg/os/getwd.go gets ENOTSUP, it will fall back to the 35 // slow algorithm. 36 return "", ENOTSUP 37 } 38 39 // SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets. 40 type SockaddrDatalink struct { 41 Len uint8 42 Family uint8 43 Index uint16 44 Type uint8 45 Nlen uint8 46 Alen uint8 47 Slen uint8 48 Data [12]int8 49 raw RawSockaddrDatalink 50 } 51 52 // Translate "kern.hostname" to []_C_int{0,1,2,3}. 53 func nametomib(name string) (mib []_C_int, err error) { 54 const siz = unsafe.Sizeof(mib[0]) 55 56 // NOTE(rsc): It seems strange to set the buffer to have 57 // size CTL_MAXNAME+2 but use only CTL_MAXNAME 58 // as the size. I don't know why the +2 is here, but the 59 // kernel uses +2 for its own implementation of this function. 60 // I am scared that if we don't include the +2 here, the kernel 61 // will silently write 2 words farther than we specify 62 // and we'll get memory corruption. 63 var buf [CTL_MAXNAME + 2]_C_int 64 n := uintptr(CTL_MAXNAME) * siz 65 66 p := (*byte)(unsafe.Pointer(&buf[0])) 67 bytes, err := ByteSliceFromString(name) 68 if err != nil { 69 return nil, err 70 } 71 72 // Magic sysctl: "setting" 0.3 to a string name 73 // lets you read back the array of integers form. 74 if err = sysctl([]_C_int{0, 3}, p, &n, &bytes[0], uintptr(len(name))); err != nil { 75 return nil, err 76 } 77 return buf[0 : n/siz], nil 78 } 79 80 //sys ptrace(request int, pid int, addr uintptr, data uintptr) (err error) 81 func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) } 82 func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) } 83 84 const ( 85 attrBitMapCount = 5 86 attrCmnFullpath = 0x08000000 87 ) 88 89 type attrList struct { 90 bitmapCount uint16 91 _ uint16 92 CommonAttr uint32 93 VolAttr uint32 94 DirAttr uint32 95 FileAttr uint32 96 Forkattr uint32 97 } 98 99 func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (attrs [][]byte, err error) { 100 if len(attrBuf) < 4 { 101 return nil, errors.New("attrBuf too small") 102 } 103 attrList.bitmapCount = attrBitMapCount 104 105 var _p0 *byte 106 _p0, err = BytePtrFromString(path) 107 if err != nil { 108 return nil, err 109 } 110 111 if err := getattrlist(_p0, unsafe.Pointer(&attrList), unsafe.Pointer(&attrBuf[0]), uintptr(len(attrBuf)), int(options)); err != nil { 112 return nil, err 113 } 114 size := *(*uint32)(unsafe.Pointer(&attrBuf[0])) 115 116 // dat is the section of attrBuf that contains valid data, 117 // without the 4 byte length header. All attribute offsets 118 // are relative to dat. 119 dat := attrBuf 120 if int(size) < len(attrBuf) { 121 dat = dat[:size] 122 } 123 dat = dat[4:] // remove length prefix 124 125 for i := uint32(0); int(i) < len(dat); { 126 header := dat[i:] 127 if len(header) < 8 { 128 return attrs, errors.New("truncated attribute header") 129 } 130 datOff := *(*int32)(unsafe.Pointer(&header[0])) 131 attrLen := *(*uint32)(unsafe.Pointer(&header[4])) 132 if datOff < 0 || uint32(datOff)+attrLen > uint32(len(dat)) { 133 return attrs, errors.New("truncated results; attrBuf too small") 134 } 135 end := uint32(datOff) + attrLen 136 attrs = append(attrs, dat[datOff:end]) 137 i = end 138 if r := i % 4; r != 0 { 139 i += (4 - r) 140 } 141 } 142 return 143 } 144 145 //sys getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) 146 147 func SysctlClockinfo(name string) (*Clockinfo, error) { 148 mib, err := sysctlmib(name) 149 if err != nil { 150 return nil, err 151 } 152 153 n := uintptr(SizeofClockinfo) 154 var ci Clockinfo 155 if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil { 156 return nil, err 157 } 158 if n != SizeofClockinfo { 159 return nil, EIO 160 } 161 return &ci, nil 162 } 163 164 //sysnb pipe() (r int, w int, err error) 165 166 func Pipe(p []int) (err error) { 167 if len(p) != 2 { 168 return EINVAL 169 } 170 p[0], p[1], err = pipe() 171 return 172 } 173 174 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { 175 var _p0 unsafe.Pointer 176 var bufsize uintptr 177 if len(buf) > 0 { 178 _p0 = unsafe.Pointer(&buf[0]) 179 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) 180 } 181 return getfsstat(_p0, bufsize, flags) 182 } 183 184 func xattrPointer(dest []byte) *byte { 185 // It's only when dest is set to NULL that the OS X implementations of 186 // getxattr() and listxattr() return the current sizes of the named attributes. 187 // An empty byte array is not sufficient. To maintain the same behaviour as the 188 // linux implementation, we wrap around the system calls and pass in NULL when 189 // dest is empty. 190 var destp *byte 191 if len(dest) > 0 { 192 destp = &dest[0] 193 } 194 return destp 195 } 196 197 //sys getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) 198 199 func Getxattr(path string, attr string, dest []byte) (sz int, err error) { 200 return getxattr(path, attr, xattrPointer(dest), len(dest), 0, 0) 201 } 202 203 func Lgetxattr(link string, attr string, dest []byte) (sz int, err error) { 204 return getxattr(link, attr, xattrPointer(dest), len(dest), 0, XATTR_NOFOLLOW) 205 } 206 207 //sys fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) 208 209 func Fgetxattr(fd int, attr string, dest []byte) (sz int, err error) { 210 return fgetxattr(fd, attr, xattrPointer(dest), len(dest), 0, 0) 211 } 212 213 //sys setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error) 214 215 func Setxattr(path string, attr string, data []byte, flags int) (err error) { 216 // The parameters for the OS X implementation vary slightly compared to the 217 // linux system call, specifically the position parameter: 218 // 219 // linux: 220 // int setxattr( 221 // const char *path, 222 // const char *name, 223 // const void *value, 224 // size_t size, 225 // int flags 226 // ); 227 // 228 // darwin: 229 // int setxattr( 230 // const char *path, 231 // const char *name, 232 // void *value, 233 // size_t size, 234 // u_int32_t position, 235 // int options 236 // ); 237 // 238 // position specifies the offset within the extended attribute. In the 239 // current implementation, only the resource fork extended attribute makes 240 // use of this argument. For all others, position is reserved. We simply 241 // default to setting it to zero. 242 return setxattr(path, attr, xattrPointer(data), len(data), 0, flags) 243 } 244 245 func Lsetxattr(link string, attr string, data []byte, flags int) (err error) { 246 return setxattr(link, attr, xattrPointer(data), len(data), 0, flags|XATTR_NOFOLLOW) 247 } 248 249 //sys fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error) 250 251 func Fsetxattr(fd int, attr string, data []byte, flags int) (err error) { 252 return fsetxattr(fd, attr, xattrPointer(data), len(data), 0, 0) 253 } 254 255 //sys removexattr(path string, attr string, options int) (err error) 256 257 func Removexattr(path string, attr string) (err error) { 258 // We wrap around and explicitly zero out the options provided to the OS X 259 // implementation of removexattr, we do so for interoperability with the 260 // linux variant. 261 return removexattr(path, attr, 0) 262 } 263 264 func Lremovexattr(link string, attr string) (err error) { 265 return removexattr(link, attr, XATTR_NOFOLLOW) 266 } 267 268 //sys fremovexattr(fd int, attr string, options int) (err error) 269 270 func Fremovexattr(fd int, attr string) (err error) { 271 return fremovexattr(fd, attr, 0) 272 } 273 274 //sys listxattr(path string, dest *byte, size int, options int) (sz int, err error) 275 276 func Listxattr(path string, dest []byte) (sz int, err error) { 277 return listxattr(path, xattrPointer(dest), len(dest), 0) 278 } 279 280 func Llistxattr(link string, dest []byte) (sz int, err error) { 281 return listxattr(link, xattrPointer(dest), len(dest), XATTR_NOFOLLOW) 282 } 283 284 //sys flistxattr(fd int, dest *byte, size int, options int) (sz int, err error) 285 286 func Flistxattr(fd int, dest []byte) (sz int, err error) { 287 return flistxattr(fd, xattrPointer(dest), len(dest), 0) 288 } 289 290 func setattrlistTimes(path string, times []Timespec, flags int) error { 291 _p0, err := BytePtrFromString(path) 292 if err != nil { 293 return err 294 } 295 296 var attrList attrList 297 attrList.bitmapCount = ATTR_BIT_MAP_COUNT 298 attrList.CommonAttr = ATTR_CMN_MODTIME | ATTR_CMN_ACCTIME 299 300 // order is mtime, atime: the opposite of Chtimes 301 attributes := [2]Timespec{times[1], times[0]} 302 options := 0 303 if flags&AT_SYMLINK_NOFOLLOW != 0 { 304 options |= FSOPT_NOFOLLOW 305 } 306 return setattrlist( 307 _p0, 308 unsafe.Pointer(&attrList), 309 unsafe.Pointer(&attributes), 310 unsafe.Sizeof(attributes), 311 options) 312 } 313 314 //sys setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) 315 316 func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error { 317 // Darwin doesn't support SYS_UTIMENSAT 318 return ENOSYS 319 } 320 321 /* 322 * Wrapped 323 */ 324 325 //sys kill(pid int, signum int, posix int) (err error) 326 327 func Kill(pid int, signum syscall.Signal) (err error) { return kill(pid, int(signum), 1) } 328 329 //sys ioctl(fd int, req uint, arg uintptr) (err error) 330 331 // ioctl itself should not be exposed directly, but additional get/set 332 // functions for specific types are permissible. 333 334 // IoctlSetInt performs an ioctl operation which sets an integer value 335 // on fd, using the specified request number. 336 func IoctlSetInt(fd int, req uint, value int) error { 337 return ioctl(fd, req, uintptr(value)) 338 } 339 340 func ioctlSetWinsize(fd int, req uint, value *Winsize) error { 341 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 342 } 343 344 func ioctlSetTermios(fd int, req uint, value *Termios) error { 345 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 346 } 347 348 // IoctlGetInt performs an ioctl operation which gets an integer value 349 // from fd, using the specified request number. 350 func IoctlGetInt(fd int, req uint) (int, error) { 351 var value int 352 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 353 return value, err 354 } 355 356 func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { 357 var value Winsize 358 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 359 return &value, err 360 } 361 362 func IoctlGetTermios(fd int, req uint) (*Termios, error) { 363 var value Termios 364 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 365 return &value, err 366 } 367 368 func Uname(uname *Utsname) error { 369 mib := []_C_int{CTL_KERN, KERN_OSTYPE} 370 n := unsafe.Sizeof(uname.Sysname) 371 if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { 372 return err 373 } 374 375 mib = []_C_int{CTL_KERN, KERN_HOSTNAME} 376 n = unsafe.Sizeof(uname.Nodename) 377 if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { 378 return err 379 } 380 381 mib = []_C_int{CTL_KERN, KERN_OSRELEASE} 382 n = unsafe.Sizeof(uname.Release) 383 if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { 384 return err 385 } 386 387 mib = []_C_int{CTL_KERN, KERN_VERSION} 388 n = unsafe.Sizeof(uname.Version) 389 if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { 390 return err 391 } 392 393 // The version might have newlines or tabs in it, convert them to 394 // spaces. 395 for i, b := range uname.Version { 396 if b == '\n' || b == '\t' { 397 if i == len(uname.Version)-1 { 398 uname.Version[i] = 0 399 } else { 400 uname.Version[i] = ' ' 401 } 402 } 403 } 404 405 mib = []_C_int{CTL_HW, HW_MACHINE} 406 n = unsafe.Sizeof(uname.Machine) 407 if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { 408 return err 409 } 410 411 return nil 412 } 413 414 func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 415 if raceenabled { 416 raceReleaseMerge(unsafe.Pointer(&ioSync)) 417 } 418 var length = int64(count) 419 err = sendfile(infd, outfd, *offset, &length, nil, 0) 420 written = int(length) 421 return 422 } 423 424 //sys sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error) 425 426 /* 427 * Exposed directly 428 */ 429 //sys Access(path string, mode uint32) (err error) 430 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 431 //sys Chdir(path string) (err error) 432 //sys Chflags(path string, flags int) (err error) 433 //sys Chmod(path string, mode uint32) (err error) 434 //sys Chown(path string, uid int, gid int) (err error) 435 //sys Chroot(path string) (err error) 436 //sys ClockGettime(clockid int32, time *Timespec) (err error) 437 //sys Close(fd int) (err error) 438 //sys Dup(fd int) (nfd int, err error) 439 //sys Dup2(from int, to int) (err error) 440 //sys Exchangedata(path1 string, path2 string, options int) (err error) 441 //sys Exit(code int) 442 //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) 443 //sys Fchdir(fd int) (err error) 444 //sys Fchflags(fd int, flags int) (err error) 445 //sys Fchmod(fd int, mode uint32) (err error) 446 //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) 447 //sys Fchown(fd int, uid int, gid int) (err error) 448 //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) 449 //sys Flock(fd int, how int) (err error) 450 //sys Fpathconf(fd int, name int) (val int, err error) 451 //sys Fsync(fd int) (err error) 452 //sys Ftruncate(fd int, length int64) (err error) 453 //sys Getdtablesize() (size int) 454 //sysnb Getegid() (egid int) 455 //sysnb Geteuid() (uid int) 456 //sysnb Getgid() (gid int) 457 //sysnb Getpgid(pid int) (pgid int, err error) 458 //sysnb Getpgrp() (pgrp int) 459 //sysnb Getpid() (pid int) 460 //sysnb Getppid() (ppid int) 461 //sys Getpriority(which int, who int) (prio int, err error) 462 //sysnb Getrlimit(which int, lim *Rlimit) (err error) 463 //sysnb Getrusage(who int, rusage *Rusage) (err error) 464 //sysnb Getsid(pid int) (sid int, err error) 465 //sysnb Getuid() (uid int) 466 //sysnb Issetugid() (tainted bool) 467 //sys Kqueue() (fd int, err error) 468 //sys Lchown(path string, uid int, gid int) (err error) 469 //sys Link(path string, link string) (err error) 470 //sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) 471 //sys Listen(s int, backlog int) (err error) 472 //sys Mkdir(path string, mode uint32) (err error) 473 //sys Mkdirat(dirfd int, path string, mode uint32) (err error) 474 //sys Mkfifo(path string, mode uint32) (err error) 475 //sys Mknod(path string, mode uint32, dev int) (err error) 476 //sys Open(path string, mode int, perm uint32) (fd int, err error) 477 //sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) 478 //sys Pathconf(path string, name int) (val int, err error) 479 //sys Pread(fd int, p []byte, offset int64) (n int, err error) 480 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 481 //sys read(fd int, p []byte) (n int, err error) 482 //sys Readlink(path string, buf []byte) (n int, err error) 483 //sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) 484 //sys Rename(from string, to string) (err error) 485 //sys Renameat(fromfd int, from string, tofd int, to string) (err error) 486 //sys Revoke(path string) (err error) 487 //sys Rmdir(path string) (err error) 488 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 489 //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 490 //sys Setegid(egid int) (err error) 491 //sysnb Seteuid(euid int) (err error) 492 //sysnb Setgid(gid int) (err error) 493 //sys Setlogin(name string) (err error) 494 //sysnb Setpgid(pid int, pgid int) (err error) 495 //sys Setpriority(which int, who int, prio int) (err error) 496 //sys Setprivexec(flag int) (err error) 497 //sysnb Setregid(rgid int, egid int) (err error) 498 //sysnb Setreuid(ruid int, euid int) (err error) 499 //sysnb Setrlimit(which int, lim *Rlimit) (err error) 500 //sysnb Setsid() (pid int, err error) 501 //sysnb Settimeofday(tp *Timeval) (err error) 502 //sysnb Setuid(uid int) (err error) 503 //sys Symlink(path string, link string) (err error) 504 //sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) 505 //sys Sync() (err error) 506 //sys Truncate(path string, length int64) (err error) 507 //sys Umask(newmask int) (oldmask int) 508 //sys Undelete(path string) (err error) 509 //sys Unlink(path string) (err error) 510 //sys Unlinkat(dirfd int, path string, flags int) (err error) 511 //sys Unmount(path string, flags int) (err error) 512 //sys write(fd int, p []byte) (n int, err error) 513 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 514 //sys munmap(addr uintptr, length uintptr) (err error) 515 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 516 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 517 518 /* 519 * Unimplemented 520 */ 521 // Profil 522 // Sigaction 523 // Sigprocmask 524 // Getlogin 525 // Sigpending 526 // Sigaltstack 527 // Ioctl 528 // Reboot 529 // Execve 530 // Vfork 531 // Sbrk 532 // Sstk 533 // Ovadvise 534 // Mincore 535 // Setitimer 536 // Swapon 537 // Select 538 // Sigsuspend 539 // Readv 540 // Writev 541 // Nfssvc 542 // Getfh 543 // Quotactl 544 // Mount 545 // Csops 546 // Waitid 547 // Add_profil 548 // Kdebug_trace 549 // Sigreturn 550 // Atsocket 551 // Kqueue_from_portset_np 552 // Kqueue_portset 553 // Getattrlist 554 // Setattrlist 555 // Getdirentriesattr 556 // Searchfs 557 // Delete 558 // Copyfile 559 // Watchevent 560 // Waitevent 561 // Modwatch 562 // Fsctl 563 // Initgroups 564 // Posix_spawn 565 // Nfsclnt 566 // Fhopen 567 // Minherit 568 // Semsys 569 // Msgsys 570 // Shmsys 571 // Semctl 572 // Semget 573 // Semop 574 // Msgctl 575 // Msgget 576 // Msgsnd 577 // Msgrcv 578 // Shmat 579 // Shmctl 580 // Shmdt 581 // Shmget 582 // Shm_open 583 // Shm_unlink 584 // Sem_open 585 // Sem_close 586 // Sem_unlink 587 // Sem_wait 588 // Sem_trywait 589 // Sem_post 590 // Sem_getvalue 591 // Sem_init 592 // Sem_destroy 593 // Open_extended 594 // Umask_extended 595 // Stat_extended 596 // Lstat_extended 597 // Fstat_extended 598 // Chmod_extended 599 // Fchmod_extended 600 // Access_extended 601 // Settid 602 // Gettid 603 // Setsgroups 604 // Getsgroups 605 // Setwgroups 606 // Getwgroups 607 // Mkfifo_extended 608 // Mkdir_extended 609 // Identitysvc 610 // Shared_region_check_np 611 // Shared_region_map_np 612 // __pthread_mutex_destroy 613 // __pthread_mutex_init 614 // __pthread_mutex_lock 615 // __pthread_mutex_trylock 616 // __pthread_mutex_unlock 617 // __pthread_cond_init 618 // __pthread_cond_destroy 619 // __pthread_cond_broadcast 620 // __pthread_cond_signal 621 // Setsid_with_pid 622 // __pthread_cond_timedwait 623 // Aio_fsync 624 // Aio_return 625 // Aio_suspend 626 // Aio_cancel 627 // Aio_error 628 // Aio_read 629 // Aio_write 630 // Lio_listio 631 // __pthread_cond_wait 632 // Iopolicysys 633 // __pthread_kill 634 // __pthread_sigmask 635 // __sigwait 636 // __disable_threadsignal 637 // __pthread_markcancel 638 // __pthread_canceled 639 // __semwait_signal 640 // Proc_info 641 // sendfile 642 // Stat64_extended 643 // Lstat64_extended 644 // Fstat64_extended 645 // __pthread_chdir 646 // __pthread_fchdir 647 // Audit 648 // Auditon 649 // Getauid 650 // Setauid 651 // Getaudit 652 // Setaudit 653 // Getaudit_addr 654 // Setaudit_addr 655 // Auditctl 656 // Bsdthread_create 657 // Bsdthread_terminate 658 // Stack_snapshot 659 // Bsdthread_register 660 // Workq_open 661 // Workq_ops 662 // __mac_execve 663 // __mac_syscall 664 // __mac_get_file 665 // __mac_set_file 666 // __mac_get_link 667 // __mac_set_link 668 // __mac_get_proc 669 // __mac_set_proc 670 // __mac_get_fd 671 // __mac_set_fd 672 // __mac_get_pid 673 // __mac_get_lcid 674 // __mac_get_lctx 675 // __mac_set_lctx 676 // Setlcid 677 // Read_nocancel 678 // Write_nocancel 679 // Open_nocancel 680 // Close_nocancel 681 // Wait4_nocancel 682 // Recvmsg_nocancel 683 // Sendmsg_nocancel 684 // Recvfrom_nocancel 685 // Accept_nocancel 686 // Fcntl_nocancel 687 // Select_nocancel 688 // Fsync_nocancel 689 // Connect_nocancel 690 // Sigsuspend_nocancel 691 // Readv_nocancel 692 // Writev_nocancel 693 // Sendto_nocancel 694 // Pread_nocancel 695 // Pwrite_nocancel 696 // Waitid_nocancel 697 // Poll_nocancel 698 // Msgsnd_nocancel 699 // Msgrcv_nocancel 700 // Sem_wait_nocancel 701 // Aio_suspend_nocancel 702 // __sigwait_nocancel 703 // __semwait_signal_nocancel 704 // __mac_mount 705 // __mac_get_mount 706 // __mac_getfsstat 707