github.com/gogf/gkafka@v1.0.1-0.20190702070843-033a14468069/third/golang.org/x/sys/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 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 //sysnb pipe() (r int, w int, err error) 148 149 func Pipe(p []int) (err error) { 150 if len(p) != 2 { 151 return EINVAL 152 } 153 p[0], p[1], err = pipe() 154 return 155 } 156 157 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { 158 var _p0 unsafe.Pointer 159 var bufsize uintptr 160 if len(buf) > 0 { 161 _p0 = unsafe.Pointer(&buf[0]) 162 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) 163 } 164 return getfsstat(_p0, bufsize, flags) 165 } 166 167 func xattrPointer(dest []byte) *byte { 168 // It's only when dest is set to NULL that the OS X implementations of 169 // getxattr() and listxattr() return the current sizes of the named attributes. 170 // An empty byte array is not sufficient. To maintain the same behaviour as the 171 // linux implementation, we wrap around the system calls and pass in NULL when 172 // dest is empty. 173 var destp *byte 174 if len(dest) > 0 { 175 destp = &dest[0] 176 } 177 return destp 178 } 179 180 //sys getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) 181 182 func Getxattr(path string, attr string, dest []byte) (sz int, err error) { 183 return getxattr(path, attr, xattrPointer(dest), len(dest), 0, 0) 184 } 185 186 func Lgetxattr(link string, attr string, dest []byte) (sz int, err error) { 187 return getxattr(link, attr, xattrPointer(dest), len(dest), 0, XATTR_NOFOLLOW) 188 } 189 190 //sys fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) 191 192 func Fgetxattr(fd int, attr string, dest []byte) (sz int, err error) { 193 return fgetxattr(fd, attr, xattrPointer(dest), len(dest), 0, 0) 194 } 195 196 //sys setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error) 197 198 func Setxattr(path string, attr string, data []byte, flags int) (err error) { 199 // The parameters for the OS X implementation vary slightly compared to the 200 // linux system call, specifically the position parameter: 201 // 202 // linux: 203 // int setxattr( 204 // const char *path, 205 // const char *name, 206 // const void *value, 207 // size_t size, 208 // int flags 209 // ); 210 // 211 // darwin: 212 // int setxattr( 213 // const char *path, 214 // const char *name, 215 // void *value, 216 // size_t size, 217 // u_int32_t position, 218 // int options 219 // ); 220 // 221 // position specifies the offset within the extended attribute. In the 222 // current implementation, only the resource fork extended attribute makes 223 // use of this argument. For all others, position is reserved. We simply 224 // default to setting it to zero. 225 return setxattr(path, attr, xattrPointer(data), len(data), 0, flags) 226 } 227 228 func Lsetxattr(link string, attr string, data []byte, flags int) (err error) { 229 return setxattr(link, attr, xattrPointer(data), len(data), 0, flags|XATTR_NOFOLLOW) 230 } 231 232 //sys fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error) 233 234 func Fsetxattr(fd int, attr string, data []byte, flags int) (err error) { 235 return fsetxattr(fd, attr, xattrPointer(data), len(data), 0, 0) 236 } 237 238 //sys removexattr(path string, attr string, options int) (err error) 239 240 func Removexattr(path string, attr string) (err error) { 241 // We wrap around and explicitly zero out the options provided to the OS X 242 // implementation of removexattr, we do so for interoperability with the 243 // linux variant. 244 return removexattr(path, attr, 0) 245 } 246 247 func Lremovexattr(link string, attr string) (err error) { 248 return removexattr(link, attr, XATTR_NOFOLLOW) 249 } 250 251 //sys fremovexattr(fd int, attr string, options int) (err error) 252 253 func Fremovexattr(fd int, attr string) (err error) { 254 return fremovexattr(fd, attr, 0) 255 } 256 257 //sys listxattr(path string, dest *byte, size int, options int) (sz int, err error) 258 259 func Listxattr(path string, dest []byte) (sz int, err error) { 260 return listxattr(path, xattrPointer(dest), len(dest), 0) 261 } 262 263 func Llistxattr(link string, dest []byte) (sz int, err error) { 264 return listxattr(link, xattrPointer(dest), len(dest), XATTR_NOFOLLOW) 265 } 266 267 //sys flistxattr(fd int, dest *byte, size int, options int) (sz int, err error) 268 269 func Flistxattr(fd int, dest []byte) (sz int, err error) { 270 return flistxattr(fd, xattrPointer(dest), len(dest), 0) 271 } 272 273 func setattrlistTimes(path string, times []Timespec, flags int) error { 274 _p0, err := BytePtrFromString(path) 275 if err != nil { 276 return err 277 } 278 279 var attrList attrList 280 attrList.bitmapCount = ATTR_BIT_MAP_COUNT 281 attrList.CommonAttr = ATTR_CMN_MODTIME | ATTR_CMN_ACCTIME 282 283 // order is mtime, atime: the opposite of Chtimes 284 attributes := [2]Timespec{times[1], times[0]} 285 options := 0 286 if flags&AT_SYMLINK_NOFOLLOW != 0 { 287 options |= FSOPT_NOFOLLOW 288 } 289 return setattrlist( 290 _p0, 291 unsafe.Pointer(&attrList), 292 unsafe.Pointer(&attributes), 293 unsafe.Sizeof(attributes), 294 options) 295 } 296 297 //sys setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) 298 299 func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error { 300 // Darwin doesn't support SYS_UTIMENSAT 301 return ENOSYS 302 } 303 304 /* 305 * Wrapped 306 */ 307 308 //sys kill(pid int, signum int, posix int) (err error) 309 310 func Kill(pid int, signum syscall.Signal) (err error) { return kill(pid, int(signum), 1) } 311 312 //sys ioctl(fd int, req uint, arg uintptr) (err error) 313 314 // ioctl itself should not be exposed directly, but additional get/set 315 // functions for specific types are permissible. 316 317 // IoctlSetInt performs an ioctl operation which sets an integer value 318 // on fd, using the specified request number. 319 func IoctlSetInt(fd int, req uint, value int) error { 320 return ioctl(fd, req, uintptr(value)) 321 } 322 323 func ioctlSetWinsize(fd int, req uint, value *Winsize) error { 324 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 325 } 326 327 func ioctlSetTermios(fd int, req uint, value *Termios) error { 328 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 329 } 330 331 // IoctlGetInt performs an ioctl operation which gets an integer value 332 // from fd, using the specified request number. 333 func IoctlGetInt(fd int, req uint) (int, error) { 334 var value int 335 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 336 return value, err 337 } 338 339 func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { 340 var value Winsize 341 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 342 return &value, err 343 } 344 345 func IoctlGetTermios(fd int, req uint) (*Termios, error) { 346 var value Termios 347 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 348 return &value, err 349 } 350 351 func Uname(uname *Utsname) error { 352 mib := []_C_int{CTL_KERN, KERN_OSTYPE} 353 n := unsafe.Sizeof(uname.Sysname) 354 if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { 355 return err 356 } 357 358 mib = []_C_int{CTL_KERN, KERN_HOSTNAME} 359 n = unsafe.Sizeof(uname.Nodename) 360 if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { 361 return err 362 } 363 364 mib = []_C_int{CTL_KERN, KERN_OSRELEASE} 365 n = unsafe.Sizeof(uname.Release) 366 if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { 367 return err 368 } 369 370 mib = []_C_int{CTL_KERN, KERN_VERSION} 371 n = unsafe.Sizeof(uname.Version) 372 if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { 373 return err 374 } 375 376 // The version might have newlines or tabs in it, convert them to 377 // spaces. 378 for i, b := range uname.Version { 379 if b == '\n' || b == '\t' { 380 if i == len(uname.Version)-1 { 381 uname.Version[i] = 0 382 } else { 383 uname.Version[i] = ' ' 384 } 385 } 386 } 387 388 mib = []_C_int{CTL_HW, HW_MACHINE} 389 n = unsafe.Sizeof(uname.Machine) 390 if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { 391 return err 392 } 393 394 return nil 395 } 396 397 func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 398 if raceenabled { 399 raceReleaseMerge(unsafe.Pointer(&ioSync)) 400 } 401 var length = int64(count) 402 err = sendfile(infd, outfd, *offset, &length, nil, 0) 403 written = int(length) 404 return 405 } 406 407 //sys sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error) 408 409 /* 410 * Exposed directly 411 */ 412 //sys Access(path string, mode uint32) (err error) 413 //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 414 //sys Chdir(path string) (err error) 415 //sys Chflags(path string, flags int) (err error) 416 //sys Chmod(path string, mode uint32) (err error) 417 //sys Chown(path string, uid int, gid int) (err error) 418 //sys Chroot(path string) (err error) 419 //sys Close(fd int) (err error) 420 //sys Dup(fd int) (nfd int, err error) 421 //sys Dup2(from int, to int) (err error) 422 //sys Exchangedata(path1 string, path2 string, options int) (err error) 423 //sys Exit(code int) 424 //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) 425 //sys Fchdir(fd int) (err error) 426 //sys Fchflags(fd int, flags int) (err error) 427 //sys Fchmod(fd int, mode uint32) (err error) 428 //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) 429 //sys Fchown(fd int, uid int, gid int) (err error) 430 //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) 431 //sys Flock(fd int, how int) (err error) 432 //sys Fpathconf(fd int, name int) (val int, err error) 433 //sys Fsync(fd int) (err error) 434 //sys Ftruncate(fd int, length int64) (err error) 435 //sys Getdtablesize() (size int) 436 //sysnb Getegid() (egid int) 437 //sysnb Geteuid() (uid int) 438 //sysnb Getgid() (gid int) 439 //sysnb Getpgid(pid int) (pgid int, err error) 440 //sysnb Getpgrp() (pgrp int) 441 //sysnb Getpid() (pid int) 442 //sysnb Getppid() (ppid int) 443 //sys Getpriority(which int, who int) (prio int, err error) 444 //sysnb Getrlimit(which int, lim *Rlimit) (err error) 445 //sysnb Getrusage(who int, rusage *Rusage) (err error) 446 //sysnb Getsid(pid int) (sid int, err error) 447 //sysnb Getuid() (uid int) 448 //sysnb Issetugid() (tainted bool) 449 //sys Kqueue() (fd int, err error) 450 //sys Lchown(path string, uid int, gid int) (err error) 451 //sys Link(path string, link string) (err error) 452 //sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) 453 //sys Listen(s int, backlog int) (err error) 454 //sys Mkdir(path string, mode uint32) (err error) 455 //sys Mkdirat(dirfd int, path string, mode uint32) (err error) 456 //sys Mkfifo(path string, mode uint32) (err error) 457 //sys Mknod(path string, mode uint32, dev int) (err error) 458 //sys Open(path string, mode int, perm uint32) (fd int, err error) 459 //sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) 460 //sys Pathconf(path string, name int) (val int, err error) 461 //sys Pread(fd int, p []byte, offset int64) (n int, err error) 462 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 463 //sys read(fd int, p []byte) (n int, err error) 464 //sys Readlink(path string, buf []byte) (n int, err error) 465 //sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) 466 //sys Rename(from string, to string) (err error) 467 //sys Renameat(fromfd int, from string, tofd int, to string) (err error) 468 //sys Revoke(path string) (err error) 469 //sys Rmdir(path string) (err error) 470 //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 471 //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 472 //sys Setegid(egid int) (err error) 473 //sysnb Seteuid(euid int) (err error) 474 //sysnb Setgid(gid int) (err error) 475 //sys Setlogin(name string) (err error) 476 //sysnb Setpgid(pid int, pgid int) (err error) 477 //sys Setpriority(which int, who int, prio int) (err error) 478 //sys Setprivexec(flag int) (err error) 479 //sysnb Setregid(rgid int, egid int) (err error) 480 //sysnb Setreuid(ruid int, euid int) (err error) 481 //sysnb Setrlimit(which int, lim *Rlimit) (err error) 482 //sysnb Setsid() (pid int, err error) 483 //sysnb Settimeofday(tp *Timeval) (err error) 484 //sysnb Setuid(uid int) (err error) 485 //sys Symlink(path string, link string) (err error) 486 //sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) 487 //sys Sync() (err error) 488 //sys Truncate(path string, length int64) (err error) 489 //sys Umask(newmask int) (oldmask int) 490 //sys Undelete(path string) (err error) 491 //sys Unlink(path string) (err error) 492 //sys Unlinkat(dirfd int, path string, flags int) (err error) 493 //sys Unmount(path string, flags int) (err error) 494 //sys write(fd int, p []byte) (n int, err error) 495 //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 496 //sys munmap(addr uintptr, length uintptr) (err error) 497 //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 498 //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 499 500 /* 501 * Unimplemented 502 */ 503 // Profil 504 // Sigaction 505 // Sigprocmask 506 // Getlogin 507 // Sigpending 508 // Sigaltstack 509 // Ioctl 510 // Reboot 511 // Execve 512 // Vfork 513 // Sbrk 514 // Sstk 515 // Ovadvise 516 // Mincore 517 // Setitimer 518 // Swapon 519 // Select 520 // Sigsuspend 521 // Readv 522 // Writev 523 // Nfssvc 524 // Getfh 525 // Quotactl 526 // Mount 527 // Csops 528 // Waitid 529 // Add_profil 530 // Kdebug_trace 531 // Sigreturn 532 // Atsocket 533 // Kqueue_from_portset_np 534 // Kqueue_portset 535 // Getattrlist 536 // Setattrlist 537 // Getdirentriesattr 538 // Searchfs 539 // Delete 540 // Copyfile 541 // Watchevent 542 // Waitevent 543 // Modwatch 544 // Fsctl 545 // Initgroups 546 // Posix_spawn 547 // Nfsclnt 548 // Fhopen 549 // Minherit 550 // Semsys 551 // Msgsys 552 // Shmsys 553 // Semctl 554 // Semget 555 // Semop 556 // Msgctl 557 // Msgget 558 // Msgsnd 559 // Msgrcv 560 // Shmat 561 // Shmctl 562 // Shmdt 563 // Shmget 564 // Shm_open 565 // Shm_unlink 566 // Sem_open 567 // Sem_close 568 // Sem_unlink 569 // Sem_wait 570 // Sem_trywait 571 // Sem_post 572 // Sem_getvalue 573 // Sem_init 574 // Sem_destroy 575 // Open_extended 576 // Umask_extended 577 // Stat_extended 578 // Lstat_extended 579 // Fstat_extended 580 // Chmod_extended 581 // Fchmod_extended 582 // Access_extended 583 // Settid 584 // Gettid 585 // Setsgroups 586 // Getsgroups 587 // Setwgroups 588 // Getwgroups 589 // Mkfifo_extended 590 // Mkdir_extended 591 // Identitysvc 592 // Shared_region_check_np 593 // Shared_region_map_np 594 // __pthread_mutex_destroy 595 // __pthread_mutex_init 596 // __pthread_mutex_lock 597 // __pthread_mutex_trylock 598 // __pthread_mutex_unlock 599 // __pthread_cond_init 600 // __pthread_cond_destroy 601 // __pthread_cond_broadcast 602 // __pthread_cond_signal 603 // Setsid_with_pid 604 // __pthread_cond_timedwait 605 // Aio_fsync 606 // Aio_return 607 // Aio_suspend 608 // Aio_cancel 609 // Aio_error 610 // Aio_read 611 // Aio_write 612 // Lio_listio 613 // __pthread_cond_wait 614 // Iopolicysys 615 // __pthread_kill 616 // __pthread_sigmask 617 // __sigwait 618 // __disable_threadsignal 619 // __pthread_markcancel 620 // __pthread_canceled 621 // __semwait_signal 622 // Proc_info 623 // sendfile 624 // Stat64_extended 625 // Lstat64_extended 626 // Fstat64_extended 627 // __pthread_chdir 628 // __pthread_fchdir 629 // Audit 630 // Auditon 631 // Getauid 632 // Setauid 633 // Getaudit 634 // Setaudit 635 // Getaudit_addr 636 // Setaudit_addr 637 // Auditctl 638 // Bsdthread_create 639 // Bsdthread_terminate 640 // Stack_snapshot 641 // Bsdthread_register 642 // Workq_open 643 // Workq_ops 644 // __mac_execve 645 // __mac_syscall 646 // __mac_get_file 647 // __mac_set_file 648 // __mac_get_link 649 // __mac_set_link 650 // __mac_get_proc 651 // __mac_set_proc 652 // __mac_get_fd 653 // __mac_set_fd 654 // __mac_get_pid 655 // __mac_get_lcid 656 // __mac_get_lctx 657 // __mac_set_lctx 658 // Setlcid 659 // Read_nocancel 660 // Write_nocancel 661 // Open_nocancel 662 // Close_nocancel 663 // Wait4_nocancel 664 // Recvmsg_nocancel 665 // Sendmsg_nocancel 666 // Recvfrom_nocancel 667 // Accept_nocancel 668 // Fcntl_nocancel 669 // Select_nocancel 670 // Fsync_nocancel 671 // Connect_nocancel 672 // Sigsuspend_nocancel 673 // Readv_nocancel 674 // Writev_nocancel 675 // Sendto_nocancel 676 // Pread_nocancel 677 // Pwrite_nocancel 678 // Waitid_nocancel 679 // Poll_nocancel 680 // Msgsnd_nocancel 681 // Msgrcv_nocancel 682 // Sem_wait_nocancel 683 // Aio_suspend_nocancel 684 // __sigwait_nocancel 685 // __semwait_signal_nocancel 686 // __mac_mount 687 // __mac_get_mount 688 // __mac_getfsstat