github.com/ie310mu/ie310go/forks/golang.org/x/sys@v0.0.0-20190821095322-9a46783d4de5/unix/syscall_freebsd.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 // 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 13 package unix 14 15 import ( 16 "sync" 17 "unsafe" 18 ) 19 20 const ( 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. 31 var ( 32 osreldateOnce sync.Once 33 osreldate uint32 34 ) 35 36 // INO64_FIRST from /usr/src/lib/libc/sys/compat-ino64.h 37 const _ino64First = 1200031 38 39 func 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. 45 type 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}. 58 func 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 85 func Pipe(p []int) (err error) { 86 return Pipe2(p, 0) 87 } 88 89 //sysnb pipe2(p *[2]_C_int, flags int) (err error) 90 91 func 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 } 101 102 func 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 } 108 109 func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) { 110 return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) 111 } 112 113 func 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 } 130 131 const ImplementsGetwd = true 132 133 //sys Getcwd(buf []byte) (n int, err error) = SYS___GETCWD 134 135 func 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 } 147 148 func 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 } 184 185 func 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. 197 func IoctlSetInt(fd int, req uint, value int) error { 198 return ioctl(fd, req, uintptr(value)) 199 } 200 201 func ioctlSetWinsize(fd int, req uint, value *Winsize) error { 202 return ioctl(fd, req, uintptr(unsafe.Pointer(value))) 203 } 204 205 func 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. 211 func 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 } 216 217 func 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 } 222 223 func 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 } 228 229 func 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 } 274 275 func 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 } 288 289 func 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 } 302 303 func 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 } 316 317 func 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 } 330 331 func 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 } 344 345 func 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 } 358 359 func Getdents(fd int, buf []byte) (n int, err error) { 360 return Getdirentries(fd, buf, nil) 361 } 362 363 func 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 } 392 393 func 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 } 401 402 func 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)) 415 func roundup(x, y int) int { 416 return ((x + y - 1) / y) * y 417 } 418 419 func (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 } 439 440 func (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 } 478 479 func 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 } 516 517 func 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