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// FreeBSD 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 13package unix 14 15import ( 16 "sync" 17 "unsafe" 18) 19 20const ( 21 SYS_FSTAT_FREEBSD12 = 551 // { int fstat(int fd, _Out_ struct stat *sb); } 22 SYS_FSTATAT_FREEBSD12 = 552 // { int fstatat(int fd, _In_z_ char *path, \ 23 SYS_GETDIRENTRIES_FREEBSD12 = 554 // { ssize_t getdirentries(int fd, \ 24 SYS_STATFS_FREEBSD12 = 555 // { int statfs(_In_z_ char *path, \ 25 SYS_FSTATFS_FREEBSD12 = 556 // { int fstatfs(int fd, \ 26 SYS_GETFSSTAT_FREEBSD12 = 557 // { int getfsstat( \ 27 SYS_MKNODAT_FREEBSD12 = 559 // { int mknodat(int fd, _In_z_ char *path, \ 28) 29 30// See https://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/versions.html. 31var ( 32 osreldateOnce sync.Once 33 osreldate uint32 34) 35 36// INO64_FIRST from /usr/src/lib/libc/sys/compat-ino64.h 37const _ino64First = 1200031 38 39func supportsABI(ver uint32) bool { 40 osreldateOnce.Do(func() { osreldate, _ = SysctlUint32("kern.osreldate") }) 41 return osreldate >= ver 42} 43 44// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets. 45type SockaddrDatalink struct { 46 Len uint8 47 Family uint8 48 Index uint16 49 Type uint8 50 Nlen uint8 51 Alen uint8 52 Slen uint8 53 Data [46]int8 54 raw RawSockaddrDatalink 55} 56 57// Translate "kern.hostname" to []_C_int{0,1,2,3}. 58func nametomib(name string) (mib []_C_int, err error) { 59 const siz = unsafe.Sizeof(mib[0]) 60 61 // NOTE(rsc): It seems strange to set the buffer to have 62 // size CTL_MAXNAME+2 but use only CTL_MAXNAME 63 // as the size. I don't know why the +2 is here, but the 64 // kernel uses +2 for its own implementation of this function. 65 // I am scared that if we don't include the +2 here, the kernel 66 // will silently write 2 words farther than we specify 67 // and we'll get memory corruption. 68 var buf [CTL_MAXNAME + 2]_C_int 69 n := uintptr(CTL_MAXNAME) * siz 70 71 p := (*byte)(unsafe.Pointer(&buf[0])) 72 bytes, err := ByteSliceFromString(name) 73 if err != nil { 74 return nil, err 75 } 76 77 // Magic sysctl: "setting" 0.3 to a string name 78 // lets you read back the array of integers form. 79 if err = sysctl([]_C_int{0, 3}, p, &n, &bytes[0], uintptr(len(name))); err != nil { 80 return nil, err 81 } 82 return buf[0 : n/siz], nil 83} 84 85func Pipe(p []int) (err error) { 86 return Pipe2(p, 0) 87} 88 89//sysnb pipe2(p *[2]_C_int, flags int) (err error) 90 91func Pipe2(p []int, flags int) error { 92 if len(p) != 2 { 93 return EINVAL 94 } 95 var pp [2]_C_int 96 err := pipe2(&pp, flags) 97 p[0] = int(pp[0]) 98 p[1] = int(pp[1]) 99 return err 100} 101 102func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) { 103 var value IPMreqn 104 vallen := _Socklen(SizeofIPMreqn) 105 errno := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) 106 return &value, errno 107} 108 109func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) { 110 return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) 111} 112 113func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) { 114 var rsa RawSockaddrAny 115 var len _Socklen = SizeofSockaddrAny 116 nfd, err = accept4(fd, &rsa, &len, flags) 117 if err != nil { 118 return 119 } 120 if len > SizeofSockaddrAny { 121 panic("RawSockaddrAny too small") 122 } 123 sa, err = anyToSockaddr(fd, &rsa) 124 if err != nil { 125 Close(nfd) 126 nfd = 0 127 } 128 return 129} 130 131const ImplementsGetwd = true 132 133//sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD 134 135func Getwd() (string, error) { 136 var buf [PathMax]byte 137 _, err := Getcwd(buf[0:]) 138 if err != nil { 139 return "", err 140 } 141 n := clen(buf[:]) 142 if n < 1 { 143 return "", EINVAL 144 } 145 return string(buf[:n]), nil 146} 147 148func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { 149 var ( 150 _p0 unsafe.Pointer 151 bufsize uintptr 152 oldBuf []statfs_freebsd11_t 153 needsConvert bool 154 ) 155 156 if len(buf) > 0 { 157 if supportsABI(_ino64First) { 158 _p0 = unsafe.Pointer(&buf[0]) 159 bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) 160 } else { 161 n := len(buf) 162 oldBuf = make([]statfs_freebsd11_t, n) 163 _p0 = unsafe.Pointer(&oldBuf[0]) 164 bufsize = unsafe.Sizeof(statfs_freebsd11_t{}) * uintptr(n) 165 needsConvert = true 166 } 167 } 168 var sysno uintptr = SYS_GETFSSTAT 169 if supportsABI(_ino64First) { 170 sysno = SYS_GETFSSTAT_FREEBSD12 171 } 172 r0, _, e1 := Syscall(sysno, uintptr(_p0), bufsize, uintptr(flags)) 173 n = int(r0) 174 if e1 != 0 { 175 err = e1 176 } 177 if e1 == 0 && needsConvert { 178 for i := range oldBuf { 179 buf[i].convertFrom(&oldBuf[i]) 180 } 181 } 182 return 183} 184 185func setattrlistTimes(path string, times []Timespec, flags int) error { 186 // used on Darwin for UtimesNano 187 return ENOSYS 188} 189 190//sys ioctl(fd int, req uint, arg uintptr) (err error) 191 192// ioctl itself should not be exposed directly, but additional get/set 193// functions for specific types are permissible. 194 195// IoctlSetInt performs an ioctl operation which sets an integer value 196// on fd, using the specified request number. 197func IoctlSetInt(fd int, req uint, value int) error { 198 return ioctl(fd, req, uintptr(value)) 199} 200 201func ioctlSetWinsize(fd int, req uint, value *Winsize) error { 202 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 203} 204 205func ioctlSetTermios(fd int, req uint, value *Termios) error { 206 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 207} 208 209// IoctlGetInt performs an ioctl operation which gets an integer value 210// from fd, using the specified request number. 211func IoctlGetInt(fd int, req uint) (int, error) { 212 var value int 213 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 214 return value, err 215} 216 217func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { 218 var value Winsize 219 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 220 return &value, err 221} 222 223func IoctlGetTermios(fd int, req uint) (*Termios, error) { 224 var value Termios 225 err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) 226 return &value, err 227} 228 229func Uname(uname *Utsname) error { 230 mib := []_C_int{CTL_KERN, KERN_OSTYPE} 231 n := unsafe.Sizeof(uname.Sysname) 232 if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { 233 return err 234 } 235 236 mib = []_C_int{CTL_KERN, KERN_HOSTNAME} 237 n = unsafe.Sizeof(uname.Nodename) 238 if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { 239 return err 240 } 241 242 mib = []_C_int{CTL_KERN, KERN_OSRELEASE} 243 n = unsafe.Sizeof(uname.Release) 244 if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { 245 return err 246 } 247 248 mib = []_C_int{CTL_KERN, KERN_VERSION} 249 n = unsafe.Sizeof(uname.Version) 250 if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { 251 return err 252 } 253 254 // The version might have newlines or tabs in it, convert them to 255 // spaces. 256 for i, b := range uname.Version { 257 if b == '\n' || b == '\t' { 258 if i == len(uname.Version)-1 { 259 uname.Version[i] = 0 260 } else { 261 uname.Version[i] = ' ' 262 } 263 } 264 } 265 266 mib = []_C_int{CTL_HW, HW_MACHINE} 267 n = unsafe.Sizeof(uname.Machine) 268 if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { 269 return err 270 } 271 272 return nil 273} 274 275func Stat(path string, st *Stat_t) (err error) { 276 var oldStat stat_freebsd11_t 277 if supportsABI(_ino64First) { 278 return fstatat_freebsd12(AT_FDCWD, path, st, 0) 279 } 280 err = stat(path, &oldStat) 281 if err != nil { 282 return err 283 } 284 285 st.convertFrom(&oldStat) 286 return nil 287} 288 289func Lstat(path string, st *Stat_t) (err error) { 290 var oldStat stat_freebsd11_t 291 if supportsABI(_ino64First) { 292 return fstatat_freebsd12(AT_FDCWD, path, st, AT_SYMLINK_NOFOLLOW) 293 } 294 err = lstat(path, &oldStat) 295 if err != nil { 296 return err 297 } 298 299 st.convertFrom(&oldStat) 300 return nil 301} 302 303func Fstat(fd int, st *Stat_t) (err error) { 304 var oldStat stat_freebsd11_t 305 if supportsABI(_ino64First) { 306 return fstat_freebsd12(fd, st) 307 } 308 err = fstat(fd, &oldStat) 309 if err != nil { 310 return err 311 } 312 313 st.convertFrom(&oldStat) 314 return nil 315} 316 317func Fstatat(fd int, path string, st *Stat_t, flags int) (err error) { 318 var oldStat stat_freebsd11_t 319 if supportsABI(_ino64First) { 320 return fstatat_freebsd12(fd, path, st, flags) 321 } 322 err = fstatat(fd, path, &oldStat, flags) 323 if err != nil { 324 return err 325 } 326 327 st.convertFrom(&oldStat) 328 return nil 329} 330 331func Statfs(path string, st *Statfs_t) (err error) { 332 var oldStatfs statfs_freebsd11_t 333 if supportsABI(_ino64First) { 334 return statfs_freebsd12(path, st) 335 } 336 err = statfs(path, &oldStatfs) 337 if err != nil { 338 return err 339 } 340 341 st.convertFrom(&oldStatfs) 342 return nil 343} 344 345func Fstatfs(fd int, st *Statfs_t) (err error) { 346 var oldStatfs statfs_freebsd11_t 347 if supportsABI(_ino64First) { 348 return fstatfs_freebsd12(fd, st) 349 } 350 err = fstatfs(fd, &oldStatfs) 351 if err != nil { 352 return err 353 } 354 355 st.convertFrom(&oldStatfs) 356 return nil 357} 358 359func Getdents(fd int, buf []byte) (n int, err error) { 360 return Getdirentries(fd, buf, nil) 361} 362 363func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { 364 if supportsABI(_ino64First) { 365 if unsafe.Sizeof(*basep) == 8 { 366 return getdirentries_freebsd12(fd, buf, (*uint64)(unsafe.Pointer(basep))) 367 } 368 // The freebsd12 syscall needs a 64-bit base. On 32-bit machines 369 // we can't just use the basep passed in. See #32498. 370 var base uint64 = uint64(*basep) 371 n, err = getdirentries_freebsd12(fd, buf, &base) 372 *basep = uintptr(base) 373 if base>>32 != 0 { 374 // We can't stuff the base back into a uintptr, so any 375 // future calls would be suspect. Generate an error. 376 // EIO is allowed by getdirentries. 377 err = EIO 378 } 379 return 380 } 381 382 // The old syscall entries are smaller than the new. Use 1/4 of the original 383 // buffer size rounded up to DIRBLKSIZ (see /usr/src/lib/libc/sys/getdirentries.c). 384 oldBufLen := roundup(len(buf)/4, _dirblksiz) 385 oldBuf := make([]byte, oldBufLen) 386 n, err = getdirentries(fd, oldBuf, basep) 387 if err == nil && n > 0 { 388 n = convertFromDirents11(buf, oldBuf[:n]) 389 } 390 return 391} 392 393func Mknod(path string, mode uint32, dev uint64) (err error) { 394 var oldDev int 395 if supportsABI(_ino64First) { 396 return mknodat_freebsd12(AT_FDCWD, path, mode, dev) 397 } 398 oldDev = int(dev) 399 return mknod(path, mode, oldDev) 400} 401 402func Mknodat(fd int, path string, mode uint32, dev uint64) (err error) { 403 var oldDev int 404 if supportsABI(_ino64First) { 405 return mknodat_freebsd12(fd, path, mode, dev) 406 } 407 oldDev = int(dev) 408 return mknodat(fd, path, mode, oldDev) 409} 410 411// round x to the nearest multiple of y, larger or equal to x. 412// 413// from /usr/include/sys/param.h Macros for counting and rounding. 414// #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) 415func roundup(x, y int) int { 416 return ((x + y - 1) / y) * y 417} 418 419func (s *Stat_t) convertFrom(old *stat_freebsd11_t) { 420 *s = Stat_t{ 421 Dev: uint64(old.Dev), 422 Ino: uint64(old.Ino), 423 Nlink: uint64(old.Nlink), 424 Mode: old.Mode, 425 Uid: old.Uid, 426 Gid: old.Gid, 427 Rdev: uint64(old.Rdev), 428 Atim: old.Atim, 429 Mtim: old.Mtim, 430 Ctim: old.Ctim, 431 Btim: old.Btim, 432 Size: old.Size, 433 Blocks: old.Blocks, 434 Blksize: old.Blksize, 435 Flags: old.Flags, 436 Gen: uint64(old.Gen), 437 } 438} 439 440func (s *Statfs_t) convertFrom(old *statfs_freebsd11_t) { 441 *s = Statfs_t{ 442 Version: _statfsVersion, 443 Type: old.Type, 444 Flags: old.Flags, 445 Bsize: old.Bsize, 446 Iosize: old.Iosize, 447 Blocks: old.Blocks, 448 Bfree: old.Bfree, 449 Bavail: old.Bavail, 450 Files: old.Files, 451 Ffree: old.Ffree, 452 Syncwrites: old.Syncwrites, 453 Asyncwrites: old.Asyncwrites, 454 Syncreads: old.Syncreads, 455 Asyncreads: old.Asyncreads, 456 // Spare 457 Namemax: old.Namemax, 458 Owner: old.Owner, 459 Fsid: old.Fsid, 460 // Charspare 461 // Fstypename 462 // Mntfromname 463 // Mntonname 464 } 465 466 sl := old.Fstypename[:] 467 n := clen(*(*[]byte)(unsafe.Pointer(&sl))) 468 copy(s.Fstypename[:], old.Fstypename[:n]) 469 470 sl = old.Mntfromname[:] 471 n = clen(*(*[]byte)(unsafe.Pointer(&sl))) 472 copy(s.Mntfromname[:], old.Mntfromname[:n]) 473 474 sl = old.Mntonname[:] 475 n = clen(*(*[]byte)(unsafe.Pointer(&sl))) 476 copy(s.Mntonname[:], old.Mntonname[:n]) 477} 478 479func convertFromDirents11(buf []byte, old []byte) int { 480 const ( 481 fixedSize = int(unsafe.Offsetof(Dirent{}.Name)) 482 oldFixedSize = int(unsafe.Offsetof(dirent_freebsd11{}.Name)) 483 ) 484 485 dstPos := 0 486 srcPos := 0 487 for dstPos+fixedSize < len(buf) && srcPos+oldFixedSize < len(old) { 488 dstDirent := (*Dirent)(unsafe.Pointer(&buf[dstPos])) 489 srcDirent := (*dirent_freebsd11)(unsafe.Pointer(&old[srcPos])) 490 491 reclen := roundup(fixedSize+int(srcDirent.Namlen)+1, 8) 492 if dstPos+reclen > len(buf) { 493 break 494 } 495 496 dstDirent.Fileno = uint64(srcDirent.Fileno) 497 dstDirent.Off = 0 498 dstDirent.Reclen = uint16(reclen) 499 dstDirent.Type = srcDirent.Type 500 dstDirent.Pad0 = 0 501 dstDirent.Namlen = uint16(srcDirent.Namlen) 502 dstDirent.Pad1 = 0 503 504 copy(dstDirent.Name[:], srcDirent.Name[:srcDirent.Namlen]) 505 padding := buf[dstPos+fixedSize+int(dstDirent.Namlen) : dstPos+reclen] 506 for i := range padding { 507 padding[i] = 0 508 } 509 510 dstPos += int(dstDirent.Reclen) 511 srcPos += int(srcDirent.Reclen) 512 } 513 514 return dstPos 515} 516 517func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { 518 if raceenabled { 519 raceReleaseMerge(unsafe.Pointer(&ioSync)) 520 } 521 return sendfile(outfd, infd, offset, count) 522} 523 524/* 525 * Exposed directly 526 */ 527//sys Access(path string, mode uint32) (err error) 528//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) 529//sys CapEnter() (err error) 530//sys capRightsGet(version int, fd int, rightsp *CapRights) (err error) = SYS___CAP_RIGHTS_GET 531//sys capRightsLimit(fd int, rightsp *CapRights) (err error) 532//sys Chdir(path string) (err error) 533//sys Chflags(path string, flags int) (err error) 534//sys Chmod(path string, mode uint32) (err error) 535//sys Chown(path string, uid int, gid int) (err error) 536//sys Chroot(path string) (err error) 537//sys Close(fd int) (err error) 538//sys Dup(fd int) (nfd int, err error) 539//sys Dup2(from int, to int) (err error) 540//sys Exit(code int) 541//sys ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 542//sys ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 543//sys ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error) 544//sys ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 545//sys ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 546//sys ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 547//sys ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error) 548//sys ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 549//sys ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 550//sys ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) 551//sys ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error) 552//sys ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) 553//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE 554//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) 555//sys Fchdir(fd int) (err error) 556//sys Fchflags(fd int, flags int) (err error) 557//sys Fchmod(fd int, mode uint32) (err error) 558//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) 559//sys Fchown(fd int, uid int, gid int) (err error) 560//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) 561//sys Flock(fd int, how int) (err error) 562//sys Fpathconf(fd int, name int) (val int, err error) 563//sys fstat(fd int, stat *stat_freebsd11_t) (err error) 564//sys fstat_freebsd12(fd int, stat *Stat_t) (err error) 565//sys fstatat(fd int, path string, stat *stat_freebsd11_t, flags int) (err error) 566//sys fstatat_freebsd12(fd int, path string, stat *Stat_t, flags int) (err error) 567//sys fstatfs(fd int, stat *statfs_freebsd11_t) (err error) 568//sys fstatfs_freebsd12(fd int, stat *Statfs_t) (err error) 569//sys Fsync(fd int) (err error) 570//sys Ftruncate(fd int, length int64) (err error) 571//sys getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) 572//sys getdirentries_freebsd12(fd int, buf []byte, basep *uint64) (n int, err error) 573//sys Getdtablesize() (size int) 574//sysnb Getegid() (egid int) 575//sysnb Geteuid() (uid int) 576//sysnb Getgid() (gid int) 577//sysnb Getpgid(pid int) (pgid int, err error) 578//sysnb Getpgrp() (pgrp int) 579//sysnb Getpid() (pid int) 580//sysnb Getppid() (ppid int) 581//sys Getpriority(which int, who int) (prio int, err error) 582//sysnb Getrlimit(which int, lim *Rlimit) (err error) 583//sysnb Getrusage(who int, rusage *Rusage) (err error) 584//sysnb Getsid(pid int) (sid int, err error) 585//sysnb Gettimeofday(tv *Timeval) (err error) 586//sysnb Getuid() (uid int) 587//sys Issetugid() (tainted bool) 588//sys Kill(pid int, signum syscall.Signal) (err error) 589//sys Kqueue() (fd int, err error) 590//sys Lchown(path string, uid int, gid int) (err error) 591//sys Link(path string, link string) (err error) 592//sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) 593//sys Listen(s int, backlog int) (err error) 594//sys lstat(path string, stat *stat_freebsd11_t) (err error) 595//sys Mkdir(path string, mode uint32) (err error) 596//sys Mkdirat(dirfd int, path string, mode uint32) (err error) 597//sys Mkfifo(path string, mode uint32) (err error) 598//sys mknod(path string, mode uint32, dev int) (err error) 599//sys mknodat(fd int, path string, mode uint32, dev int) (err error) 600//sys mknodat_freebsd12(fd int, path string, mode uint32, dev uint64) (err error) 601//sys Nanosleep(time *Timespec, leftover *Timespec) (err error) 602//sys Open(path string, mode int, perm uint32) (fd int, err error) 603//sys Openat(fdat int, path string, mode int, perm uint32) (fd int, err error) 604//sys Pathconf(path string, name int) (val int, err error) 605//sys Pread(fd int, p []byte, offset int64) (n int, err error) 606//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) 607//sys read(fd int, p []byte) (n int, err error) 608//sys Readlink(path string, buf []byte) (n int, err error) 609//sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) 610//sys Rename(from string, to string) (err error) 611//sys Renameat(fromfd int, from string, tofd int, to string) (err error) 612//sys Revoke(path string) (err error) 613//sys Rmdir(path string) (err error) 614//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK 615//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) 616//sysnb Setegid(egid int) (err error) 617//sysnb Seteuid(euid int) (err error) 618//sysnb Setgid(gid int) (err error) 619//sys Setlogin(name string) (err error) 620//sysnb Setpgid(pid int, pgid int) (err error) 621//sys Setpriority(which int, who int, prio int) (err error) 622//sysnb Setregid(rgid int, egid int) (err error) 623//sysnb Setreuid(ruid int, euid int) (err error) 624//sysnb Setresgid(rgid int, egid int, sgid int) (err error) 625//sysnb Setresuid(ruid int, euid int, suid int) (err error) 626//sysnb Setrlimit(which int, lim *Rlimit) (err error) 627//sysnb Setsid() (pid int, err error) 628//sysnb Settimeofday(tp *Timeval) (err error) 629//sysnb Setuid(uid int) (err error) 630//sys stat(path string, stat *stat_freebsd11_t) (err error) 631//sys statfs(path string, stat *statfs_freebsd11_t) (err error) 632//sys statfs_freebsd12(path string, stat *Statfs_t) (err error) 633//sys Symlink(path string, link string) (err error) 634//sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) 635//sys Sync() (err error) 636//sys Truncate(path string, length int64) (err error) 637//sys Umask(newmask int) (oldmask int) 638//sys Undelete(path string) (err error) 639//sys Unlink(path string) (err error) 640//sys Unlinkat(dirfd int, path string, flags int) (err error) 641//sys Unmount(path string, flags int) (err error) 642//sys write(fd int, p []byte) (n int, err error) 643//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) 644//sys munmap(addr uintptr, length uintptr) (err error) 645//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ 646//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE 647//sys accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) 648//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) 649 650/* 651 * Unimplemented 652 */ 653// Profil 654// Sigaction 655// Sigprocmask 656// Getlogin 657// Sigpending 658// Sigaltstack 659// Ioctl 660// Reboot 661// Execve 662// Vfork 663// Sbrk 664// Sstk 665// Ovadvise 666// Mincore 667// Setitimer 668// Swapon 669// Select 670// Sigsuspend 671// Readv 672// Writev 673// Nfssvc 674// Getfh 675// Quotactl 676// Mount 677// Csops 678// Waitid 679// Add_profil 680// Kdebug_trace 681// Sigreturn 682// Atsocket 683// Kqueue_from_portset_np 684// Kqueue_portset 685// Getattrlist 686// Setattrlist 687// Getdents 688// Getdirentriesattr 689// Searchfs 690// Delete 691// Copyfile 692// Watchevent 693// Waitevent 694// Modwatch 695// Fsctl 696// Initgroups 697// Posix_spawn 698// Nfsclnt 699// Fhopen 700// Minherit 701// Semsys 702// Msgsys 703// Shmsys 704// Semctl 705// Semget 706// Semop 707// Msgctl 708// Msgget 709// Msgsnd 710// Msgrcv 711// Shmat 712// Shmctl 713// Shmdt 714// Shmget 715// Shm_open 716// Shm_unlink 717// Sem_open 718// Sem_close 719// Sem_unlink 720// Sem_wait 721// Sem_trywait 722// Sem_post 723// Sem_getvalue 724// Sem_init 725// Sem_destroy 726// Open_extended 727// Umask_extended 728// Stat_extended 729// Lstat_extended 730// Fstat_extended 731// Chmod_extended 732// Fchmod_extended 733// Access_extended 734// Settid 735// Gettid 736// Setsgroups 737// Getsgroups 738// Setwgroups 739// Getwgroups 740// Mkfifo_extended 741// Mkdir_extended 742// Identitysvc 743// Shared_region_check_np 744// Shared_region_map_np 745// __pthread_mutex_destroy 746// __pthread_mutex_init 747// __pthread_mutex_lock 748// __pthread_mutex_trylock 749// __pthread_mutex_unlock 750// __pthread_cond_init 751// __pthread_cond_destroy 752// __pthread_cond_broadcast 753// __pthread_cond_signal 754// Setsid_with_pid 755// __pthread_cond_timedwait 756// Aio_fsync 757// Aio_return 758// Aio_suspend 759// Aio_cancel 760// Aio_error 761// Aio_read 762// Aio_write 763// Lio_listio 764// __pthread_cond_wait 765// Iopolicysys 766// __pthread_kill 767// __pthread_sigmask 768// __sigwait 769// __disable_threadsignal 770// __pthread_markcancel 771// __pthread_canceled 772// __semwait_signal 773// Proc_info 774// Stat64_extended 775// Lstat64_extended 776// Fstat64_extended 777// __pthread_chdir 778// __pthread_fchdir 779// Audit 780// Auditon 781// Getauid 782// Setauid 783// Getaudit 784// Setaudit 785// Getaudit_addr 786// Setaudit_addr 787// Auditctl 788// Bsdthread_create 789// Bsdthread_terminate 790// Stack_snapshot 791// Bsdthread_register 792// Workq_open 793// Workq_ops 794// __mac_execve 795// __mac_syscall 796// __mac_get_file 797// __mac_set_file 798// __mac_get_link 799// __mac_set_link 800// __mac_get_proc 801// __mac_set_proc 802// __mac_get_fd 803// __mac_set_fd 804// __mac_get_pid 805// __mac_get_lcid 806// __mac_get_lctx 807// __mac_set_lctx 808// Setlcid 809// Read_nocancel 810// Write_nocancel 811// Open_nocancel 812// Close_nocancel 813// Wait4_nocancel 814// Recvmsg_nocancel 815// Sendmsg_nocancel 816// Recvfrom_nocancel 817// Accept_nocancel 818// Fcntl_nocancel 819// Select_nocancel 820// Fsync_nocancel 821// Connect_nocancel 822// Sigsuspend_nocancel 823// Readv_nocancel 824// Writev_nocancel 825// Sendto_nocancel 826// Pread_nocancel 827// Pwrite_nocancel 828// Waitid_nocancel 829// Poll_nocancel 830// Msgsnd_nocancel 831// Msgrcv_nocancel 832// Sem_wait_nocancel 833// Aio_suspend_nocancel 834// __sigwait_nocancel 835// __semwait_signal_nocancel 836// __mac_mount 837// __mac_get_mount 838// __mac_getfsstat 839