github.com/fletavendor/sys@v0.0.0-20181107165924-66b7b1311ac8/unix/syscall_darwin.go (about) 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 _, _, e1 := Syscall6( 112 SYS_GETATTRLIST, 113 uintptr(unsafe.Pointer(_p0)), 114 uintptr(unsafe.Pointer(&attrList)), 115 uintptr(unsafe.Pointer(&attrBuf[0])), 116 uintptr(len(attrBuf)), 117 uintptr(options), 118 0, 119 ) 120 if e1 != 0 { 121 return nil, e1 122 } 123 size := *(*uint32)(unsafe.Pointer(&attrBuf[0])) 124 125 // dat is the section of attrBuf that contains valid data, 126 // without the 4 byte length header. All attribute offsets 127 // are relative to dat. 128 dat := attrBuf 129 if int(size) < len(attrBuf) { 130 dat = dat[:size] 131 } 132 dat = dat[4:] // remove length prefix 133 134 for i := uint32(0); int(i) < len(dat); { 135 header := dat[i:] 136 if len(header) < 8 { 137 return attrs, errors.New("truncated attribute header") 138 } 139 datOff := *(*int32)(unsafe.Pointer(&header[0])) 140 attrLen := *(*uint32)(unsafe.Pointer(&header[4])) 141 if datOff < 0 || uint32(datOff)+attrLen > uint32(len(dat)) { 142 return attrs, errors.New("truncated results; attrBuf too small") 143 } 144 end := uint32(datOff) + attrLen 145 attrs = append(attrs, dat[datOff:end]) 146 i = end 147 if r := i % 4; r != 0 { 148 i += (4 - r) 149 } 150 } 151 return 152 } 153 154 //sysnb pipe() (r int, w int, err error) 155 156 func Pipe(p []int) (err error) { 157 if len(p) != 2 { 158 return EINVAL 159 } 160 p[0], p[1], err = pipe() 161 return 162 } 163 164 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { 165 var _p0 unsafe.Pointer 166 var bufsize uintptr 167 if len(buf) > 0 { 168 _p0 = unsafe.Pointer(&buf[0]) 169 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) 170 } 171 r0, _, e1 := Syscall(SYS_GETFSSTAT64, uintptr(_p0), bufsize, uintptr(flags)) 172 n = int(r0) 173 if e1 != 0 { 174 err = e1 175 } 176 return 177 } 178 179 func xattrPointer(dest []byte) *byte { 180 // It's only when dest is set to NULL that the OS X implementations of 181 // getxattr() and listxattr() return the current sizes of the named attributes. 182 // An empty byte array is not sufficient. To maintain the same behaviour as the 183 // linux implementation, we wrap around the system calls and pass in NULL when 184 // dest is empty. 185 var destp *byte 186 if len(dest) > 0 { 187 destp = &dest[0] 188 } 189 return destp 190 } 191 192 //sys getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) 193 194 func Getxattr(path string, attr string, dest []byte) (sz int, err error) { 195 return getxattr(path, attr, xattrPointer(dest), len(dest), 0, 0) 196 } 197 198 func Lgetxattr(link string, attr string, dest []byte) (sz int, err error) { 199 return getxattr(link, attr, xattrPointer(dest), len(dest), 0, XATTR_NOFOLLOW) 200 } 201 202 //sys fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) 203 204 func Fgetxattr(fd int, attr string, dest []byte) (sz int, err error) { 205 return fgetxattr(fd, attr, xattrPointer(dest), len(dest), 0, 0) 206 } 207 208 //sys setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error) 209 210 func Setxattr(path string, attr string, data []byte, flags int) (err error) { 211 // The parameters for the OS X implementation vary slightly compared to the 212 // linux system call, specifically the position parameter: 213 // 214 // linux: 215 // int setxattr( 216 // const char *path, 217 // const char *name, 218 // const void *value, 219 // size_t size, 220 // int flags 221 // ); 222 // 223 // darwin: 224 // int setxattr( 225 // const char *path, 226 // const char *name, 227 // void *value, 228 // size_t size, 229 // u_int32_t position, 230 // int options 231 // ); 232 // 233 // position specifies the offset within the extended attribute. In the 234 // current implementation, only the resource fork extended attribute makes 235 // use of this argument. For all others, position is reserved. We simply 236 // default to setting it to zero. 237 return setxattr(path, attr, xattrPointer(data), len(data), 0, flags) 238 } 239 240 func Lsetxattr(link string, attr string, data []byte, flags int) (err error) { 241 return setxattr(link, attr, xattrPointer(data), len(data), 0, flags|XATTR_NOFOLLOW) 242 } 243 244 //sys fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error) 245 246 func Fsetxattr(fd int, attr string, data []byte, flags int) (err error) { 247 return fsetxattr(fd, attr, xattrPointer(data), len(data), 0, 0) 248 } 249 250 //sys removexattr(path string, attr string, options int) (err error) 251 252 func Removexattr(path string, attr string) (err error) { 253 // We wrap around and explicitly zero out the options provided to the OS X 254 // implementation of removexattr, we do so for interoperability with the 255 // linux variant. 256 return removexattr(path, attr, 0) 257 } 258 259 func Lremovexattr(link string, attr string) (err error) { 260 return removexattr(link, attr, XATTR_NOFOLLOW) 261 } 262 263 //sys fremovexattr(fd int, attr string, options int) (err error) 264 265 func Fremovexattr(fd int, attr string) (err error) { 266 return fremovexattr(fd, attr, 0) 267 } 268 269 //sys listxattr(path string, dest *byte, size int, options int) (sz int, err error) 270 271 func Listxattr(path string, dest []byte) (sz int, err error) { 272 return listxattr(path, xattrPointer(dest), len(dest), 0) 273 } 274 275 func Llistxattr(link string, dest []byte) (sz int, err error) { 276 return listxattr(link, xattrPointer(dest), len(dest), XATTR_NOFOLLOW) 277 } 278 279 //sys flistxattr(fd int, dest *byte, size int, options int) (sz int, err error) 280 281 func Flistxattr(fd int, dest []byte) (sz int, err error) { 282 return flistxattr(fd, xattrPointer(dest), len(dest), 0) 283 } 284 285 func setattrlistTimes(path string, times []Timespec, flags int) error { 286 _p0, err := BytePtrFromString(path) 287 if err != nil { 288 return err 289 } 290 291 var attrList attrList 292 attrList.bitmapCount = ATTR_BIT_MAP_COUNT 293 attrList.CommonAttr = ATTR_CMN_MODTIME | ATTR_CMN_ACCTIME 294 295 // order is mtime, atime: the opposite of Chtimes 296 attributes := [2]Timespec{times[1], times[0]} 297 options := 0 298 if flags&AT_SYMLINK_NOFOLLOW != 0 { 299 options |= FSOPT_NOFOLLOW 300 } 301 _, _, e1 := Syscall6( 302 SYS_SETATTRLIST, 303 uintptr(unsafe.Pointer(_p0)), 304 uintptr(unsafe.Pointer(&attrList)), 305 uintptr(unsafe.Pointer(&attributes)), 306 uintptr(unsafe.Sizeof(attributes)), 307 uintptr(options), 308 0, 309 ) 310 if e1 != 0 { 311 return e1 312 } 313 return nil 314 } 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 /* 415 * Exposed directly 416 */ 417 //sys Access(path string, mode uint32) (err error) 418 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 419 //sys Chdir(path string) (err error) 420 //sys Chflags(path string, flags int) (err error) 421 //sys Chmod(path string, mode uint32) (err error) 422 //sys Chown(path string, uid int, gid int) (err error) 423 //sys Chroot(path string) (err error) 424 //sys Close(fd int) (err error) 425 //sys Dup(fd int) (nfd int, err error) 426 //sys Dup2(from int, to int) (err error) 427 //sys Exchangedata(path1 string, path2 string, options int) (err error) 428 //sys Exit(code int) 429 //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) 430 //sys Fchdir(fd int) (err error) 431 //sys Fchflags(fd int, flags int) (err error) 432 //sys Fchmod(fd int, mode uint32) (err error) 433 //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) 434 //sys Fchown(fd int, uid int, gid int) (err error) 435 //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) 436 //sys Flock(fd int, how int) (err error) 437 //sys Fpathconf(fd int, name int) (val int, err error) 438 //sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 439 //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64 440 //sys Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64 441 //sys Fsync(fd int) (err error) 442 //sys Ftruncate(fd int, length int64) (err error) 443 //sys Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64 444 //sys Getdtablesize() (size int) 445 //sysnb Getegid() (egid int) 446 //sysnb Geteuid() (uid int) 447 //sysnb Getgid() (gid int) 448 //sysnb Getpgid(pid int) (pgid int, err error) 449 //sysnb Getpgrp() (pgrp int) 450 //sysnb Getpid() (pid int) 451 //sysnb Getppid() (ppid int) 452 //sys Getpriority(which int, who int) (prio int, err error) 453 //sysnb Getrlimit(which int, lim *Rlimit) (err error) 454 //sysnb Getrusage(who int, rusage *Rusage) (err error) 455 //sysnb Getsid(pid int) (sid int, err error) 456 //sysnb Getuid() (uid int) 457 //sysnb Issetugid() (tainted bool) 458 //sys Kqueue() (fd int, err error) 459 //sys Lchown(path string, uid int, gid int) (err error) 460 //sys Link(path string, link string) (err error) 461 //sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) 462 //sys Listen(s int, backlog int) (err error) 463 //sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 464 //sys Mkdir(path string, mode uint32) (err error) 465 //sys Mkdirat(dirfd int, path string, mode uint32) (err error) 466 //sys Mkfifo(path string, mode uint32) (err error) 467 //sys Mknod(path string, mode uint32, dev int) (err error) 468 //sys Open(path string, mode int, perm uint32) (fd int, err error) 469 //sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) 470 //sys Pathconf(path string, name int) (val int, err error) 471 //sys Pread(fd int, p []byte, offset int64) (n int, err error) 472 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 473 //sys read(fd int, p []byte) (n int, err error) 474 //sys Readlink(path string, buf []byte) (n int, err error) 475 //sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) 476 //sys Rename(from string, to string) (err error) 477 //sys Renameat(fromfd int, from string, tofd int, to string) (err error) 478 //sys Revoke(path string) (err error) 479 //sys Rmdir(path string) (err error) 480 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 481 //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 482 //sys Setegid(egid int) (err error) 483 //sysnb Seteuid(euid int) (err error) 484 //sysnb Setgid(gid int) (err error) 485 //sys Setlogin(name string) (err error) 486 //sysnb Setpgid(pid int, pgid int) (err error) 487 //sys Setpriority(which int, who int, prio int) (err error) 488 //sys Setprivexec(flag int) (err error) 489 //sysnb Setregid(rgid int, egid int) (err error) 490 //sysnb Setreuid(ruid int, euid int) (err error) 491 //sysnb Setrlimit(which int, lim *Rlimit) (err error) 492 //sysnb Setsid() (pid int, err error) 493 //sysnb Settimeofday(tp *Timeval) (err error) 494 //sysnb Setuid(uid int) (err error) 495 //sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 496 //sys Statfs(path string, stat *Statfs_t) (err error) = SYS_STATFS64 497 //sys Symlink(path string, link string) (err error) 498 //sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) 499 //sys Sync() (err error) 500 //sys Truncate(path string, length int64) (err error) 501 //sys Umask(newmask int) (oldmask int) 502 //sys Undelete(path string) (err error) 503 //sys Unlink(path string) (err error) 504 //sys Unlinkat(dirfd int, path string, flags int) (err error) 505 //sys Unmount(path string, flags int) (err error) 506 //sys write(fd int, p []byte) (n int, err error) 507 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 508 //sys munmap(addr uintptr, length uintptr) (err error) 509 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 510 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 511 512 /* 513 * Unimplemented 514 */ 515 // Profil 516 // Sigaction 517 // Sigprocmask 518 // Getlogin 519 // Sigpending 520 // Sigaltstack 521 // Ioctl 522 // Reboot 523 // Execve 524 // Vfork 525 // Sbrk 526 // Sstk 527 // Ovadvise 528 // Mincore 529 // Setitimer 530 // Swapon 531 // Select 532 // Sigsuspend 533 // Readv 534 // Writev 535 // Nfssvc 536 // Getfh 537 // Quotactl 538 // Mount 539 // Csops 540 // Waitid 541 // Add_profil 542 // Kdebug_trace 543 // Sigreturn 544 // Atsocket 545 // Kqueue_from_portset_np 546 // Kqueue_portset 547 // Getattrlist 548 // Setattrlist 549 // Getdirentriesattr 550 // Searchfs 551 // Delete 552 // Copyfile 553 // Watchevent 554 // Waitevent 555 // Modwatch 556 // Fsctl 557 // Initgroups 558 // Posix_spawn 559 // Nfsclnt 560 // Fhopen 561 // Minherit 562 // Semsys 563 // Msgsys 564 // Shmsys 565 // Semctl 566 // Semget 567 // Semop 568 // Msgctl 569 // Msgget 570 // Msgsnd 571 // Msgrcv 572 // Shmat 573 // Shmctl 574 // Shmdt 575 // Shmget 576 // Shm_open 577 // Shm_unlink 578 // Sem_open 579 // Sem_close 580 // Sem_unlink 581 // Sem_wait 582 // Sem_trywait 583 // Sem_post 584 // Sem_getvalue 585 // Sem_init 586 // Sem_destroy 587 // Open_extended 588 // Umask_extended 589 // Stat_extended 590 // Lstat_extended 591 // Fstat_extended 592 // Chmod_extended 593 // Fchmod_extended 594 // Access_extended 595 // Settid 596 // Gettid 597 // Setsgroups 598 // Getsgroups 599 // Setwgroups 600 // Getwgroups 601 // Mkfifo_extended 602 // Mkdir_extended 603 // Identitysvc 604 // Shared_region_check_np 605 // Shared_region_map_np 606 // __pthread_mutex_destroy 607 // __pthread_mutex_init 608 // __pthread_mutex_lock 609 // __pthread_mutex_trylock 610 // __pthread_mutex_unlock 611 // __pthread_cond_init 612 // __pthread_cond_destroy 613 // __pthread_cond_broadcast 614 // __pthread_cond_signal 615 // Setsid_with_pid 616 // __pthread_cond_timedwait 617 // Aio_fsync 618 // Aio_return 619 // Aio_suspend 620 // Aio_cancel 621 // Aio_error 622 // Aio_read 623 // Aio_write 624 // Lio_listio 625 // __pthread_cond_wait 626 // Iopolicysys 627 // __pthread_kill 628 // __pthread_sigmask 629 // __sigwait 630 // __disable_threadsignal 631 // __pthread_markcancel 632 // __pthread_canceled 633 // __semwait_signal 634 // Proc_info 635 // sendfile 636 // Stat64_extended 637 // Lstat64_extended 638 // Fstat64_extended 639 // __pthread_chdir 640 // __pthread_fchdir 641 // Audit 642 // Auditon 643 // Getauid 644 // Setauid 645 // Getaudit 646 // Setaudit 647 // Getaudit_addr 648 // Setaudit_addr 649 // Auditctl 650 // Bsdthread_create 651 // Bsdthread_terminate 652 // Stack_snapshot 653 // Bsdthread_register 654 // Workq_open 655 // Workq_ops 656 // __mac_execve 657 // __mac_syscall 658 // __mac_get_file 659 // __mac_set_file 660 // __mac_get_link 661 // __mac_set_link 662 // __mac_get_proc 663 // __mac_set_proc 664 // __mac_get_fd 665 // __mac_set_fd 666 // __mac_get_pid 667 // __mac_get_lcid 668 // __mac_get_lctx 669 // __mac_set_lctx 670 // Setlcid 671 // Read_nocancel 672 // Write_nocancel 673 // Open_nocancel 674 // Close_nocancel 675 // Wait4_nocancel 676 // Recvmsg_nocancel 677 // Sendmsg_nocancel 678 // Recvfrom_nocancel 679 // Accept_nocancel 680 // Fcntl_nocancel 681 // Select_nocancel 682 // Fsync_nocancel 683 // Connect_nocancel 684 // Sigsuspend_nocancel 685 // Readv_nocancel 686 // Writev_nocancel 687 // Sendto_nocancel 688 // Pread_nocancel 689 // Pwrite_nocancel 690 // Waitid_nocancel 691 // Poll_nocancel 692 // Msgsnd_nocancel 693 // Msgrcv_nocancel 694 // Sem_wait_nocancel 695 // Aio_suspend_nocancel 696 // __sigwait_nocancel 697 // __semwait_signal_nocancel 698 // __mac_mount 699 // __mac_get_mount 700 // __mac_getfsstat