Matteo Scandolo | a6a3aee | 2019-11-26 13:30:14 -0700 | [diff] [blame] | 1 | // Copyright 2018 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 | // +build aix |
| 6 | |
| 7 | // Aix system calls. |
| 8 | // This file is compiled as ordinary Go code, |
| 9 | // but it is also input to mksyscall, |
| 10 | // which parses the //sys lines and generates system call stubs. |
| 11 | // Note that sometimes we use a lowercase //sys name and |
| 12 | // wrap it in our own nicer implementation. |
| 13 | |
| 14 | package unix |
| 15 | |
| 16 | import "unsafe" |
| 17 | |
| 18 | /* |
| 19 | * Wrapped |
| 20 | */ |
| 21 | |
| 22 | //sys utimes(path string, times *[2]Timeval) (err error) |
| 23 | func Utimes(path string, tv []Timeval) error { |
| 24 | if len(tv) != 2 { |
| 25 | return EINVAL |
| 26 | } |
| 27 | return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) |
| 28 | } |
| 29 | |
| 30 | //sys utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error) |
| 31 | func UtimesNano(path string, ts []Timespec) error { |
| 32 | if len(ts) != 2 { |
| 33 | return EINVAL |
| 34 | } |
| 35 | return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) |
| 36 | } |
| 37 | |
| 38 | func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error { |
| 39 | if ts == nil { |
| 40 | return utimensat(dirfd, path, nil, flags) |
| 41 | } |
| 42 | if len(ts) != 2 { |
| 43 | return EINVAL |
| 44 | } |
| 45 | return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags) |
| 46 | } |
| 47 | |
| 48 | func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) { |
| 49 | if sa.Port < 0 || sa.Port > 0xFFFF { |
| 50 | return nil, 0, EINVAL |
| 51 | } |
| 52 | sa.raw.Family = AF_INET |
| 53 | p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) |
| 54 | p[0] = byte(sa.Port >> 8) |
| 55 | p[1] = byte(sa.Port) |
| 56 | for i := 0; i < len(sa.Addr); i++ { |
| 57 | sa.raw.Addr[i] = sa.Addr[i] |
| 58 | } |
| 59 | return unsafe.Pointer(&sa.raw), SizeofSockaddrInet4, nil |
| 60 | } |
| 61 | |
| 62 | func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) { |
| 63 | if sa.Port < 0 || sa.Port > 0xFFFF { |
| 64 | return nil, 0, EINVAL |
| 65 | } |
| 66 | sa.raw.Family = AF_INET6 |
| 67 | p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) |
| 68 | p[0] = byte(sa.Port >> 8) |
| 69 | p[1] = byte(sa.Port) |
| 70 | sa.raw.Scope_id = sa.ZoneId |
| 71 | for i := 0; i < len(sa.Addr); i++ { |
| 72 | sa.raw.Addr[i] = sa.Addr[i] |
| 73 | } |
| 74 | return unsafe.Pointer(&sa.raw), SizeofSockaddrInet6, nil |
| 75 | } |
| 76 | |
| 77 | func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) { |
| 78 | name := sa.Name |
| 79 | n := len(name) |
| 80 | if n > len(sa.raw.Path) { |
| 81 | return nil, 0, EINVAL |
| 82 | } |
| 83 | if n == len(sa.raw.Path) && name[0] != '@' { |
| 84 | return nil, 0, EINVAL |
| 85 | } |
| 86 | sa.raw.Family = AF_UNIX |
| 87 | for i := 0; i < n; i++ { |
| 88 | sa.raw.Path[i] = uint8(name[i]) |
| 89 | } |
| 90 | // length is family (uint16), name, NUL. |
| 91 | sl := _Socklen(2) |
| 92 | if n > 0 { |
| 93 | sl += _Socklen(n) + 1 |
| 94 | } |
| 95 | if sa.raw.Path[0] == '@' { |
| 96 | sa.raw.Path[0] = 0 |
| 97 | // Don't count trailing NUL for abstract address. |
| 98 | sl-- |
| 99 | } |
| 100 | |
| 101 | return unsafe.Pointer(&sa.raw), sl, nil |
| 102 | } |
| 103 | |
| 104 | func Getsockname(fd int) (sa Sockaddr, err error) { |
| 105 | var rsa RawSockaddrAny |
| 106 | var len _Socklen = SizeofSockaddrAny |
| 107 | if err = getsockname(fd, &rsa, &len); err != nil { |
| 108 | return |
| 109 | } |
| 110 | return anyToSockaddr(fd, &rsa) |
| 111 | } |
| 112 | |
| 113 | //sys getcwd(buf []byte) (err error) |
| 114 | |
| 115 | const ImplementsGetwd = true |
| 116 | |
| 117 | func Getwd() (ret string, err error) { |
| 118 | for len := uint64(4096); ; len *= 2 { |
| 119 | b := make([]byte, len) |
| 120 | err := getcwd(b) |
| 121 | if err == nil { |
| 122 | i := 0 |
| 123 | for b[i] != 0 { |
| 124 | i++ |
| 125 | } |
| 126 | return string(b[0:i]), nil |
| 127 | } |
| 128 | if err != ERANGE { |
| 129 | return "", err |
| 130 | } |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | func Getcwd(buf []byte) (n int, err error) { |
| 135 | err = getcwd(buf) |
| 136 | if err == nil { |
| 137 | i := 0 |
| 138 | for buf[i] != 0 { |
| 139 | i++ |
| 140 | } |
| 141 | n = i + 1 |
| 142 | } |
| 143 | return |
| 144 | } |
| 145 | |
| 146 | func Getgroups() (gids []int, err error) { |
| 147 | n, err := getgroups(0, nil) |
| 148 | if err != nil { |
| 149 | return nil, err |
| 150 | } |
| 151 | if n == 0 { |
| 152 | return nil, nil |
| 153 | } |
| 154 | |
| 155 | // Sanity check group count. Max is 16 on BSD. |
| 156 | if n < 0 || n > 1000 { |
| 157 | return nil, EINVAL |
| 158 | } |
| 159 | |
| 160 | a := make([]_Gid_t, n) |
| 161 | n, err = getgroups(n, &a[0]) |
| 162 | if err != nil { |
| 163 | return nil, err |
| 164 | } |
| 165 | gids = make([]int, n) |
| 166 | for i, v := range a[0:n] { |
| 167 | gids[i] = int(v) |
| 168 | } |
| 169 | return |
| 170 | } |
| 171 | |
| 172 | func Setgroups(gids []int) (err error) { |
| 173 | if len(gids) == 0 { |
| 174 | return setgroups(0, nil) |
| 175 | } |
| 176 | |
| 177 | a := make([]_Gid_t, len(gids)) |
| 178 | for i, v := range gids { |
| 179 | a[i] = _Gid_t(v) |
| 180 | } |
| 181 | return setgroups(len(a), &a[0]) |
| 182 | } |
| 183 | |
| 184 | /* |
| 185 | * Socket |
| 186 | */ |
| 187 | |
| 188 | //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) |
| 189 | |
| 190 | func Accept(fd int) (nfd int, sa Sockaddr, err error) { |
| 191 | var rsa RawSockaddrAny |
| 192 | var len _Socklen = SizeofSockaddrAny |
| 193 | nfd, err = accept(fd, &rsa, &len) |
| 194 | if nfd == -1 { |
| 195 | return |
| 196 | } |
| 197 | sa, err = anyToSockaddr(fd, &rsa) |
| 198 | if err != nil { |
| 199 | Close(nfd) |
| 200 | nfd = 0 |
| 201 | } |
| 202 | return |
| 203 | } |
| 204 | |
| 205 | func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) { |
| 206 | // Recvmsg not implemented on AIX |
| 207 | sa := new(SockaddrUnix) |
| 208 | return -1, -1, -1, sa, ENOSYS |
| 209 | } |
| 210 | |
| 211 | func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { |
| 212 | _, err = SendmsgN(fd, p, oob, to, flags) |
| 213 | return |
| 214 | } |
| 215 | |
| 216 | func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) { |
| 217 | // SendmsgN not implemented on AIX |
| 218 | return -1, ENOSYS |
| 219 | } |
| 220 | |
| 221 | func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { |
| 222 | switch rsa.Addr.Family { |
| 223 | |
| 224 | case AF_UNIX: |
| 225 | pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) |
| 226 | sa := new(SockaddrUnix) |
| 227 | |
| 228 | // Some versions of AIX have a bug in getsockname (see IV78655). |
| 229 | // We can't rely on sa.Len being set correctly. |
| 230 | n := SizeofSockaddrUnix - 3 // subtract leading Family, Len, terminating NUL. |
| 231 | for i := 0; i < n; i++ { |
| 232 | if pp.Path[i] == 0 { |
| 233 | n = i |
| 234 | break |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n] |
| 239 | sa.Name = string(bytes) |
| 240 | return sa, nil |
| 241 | |
| 242 | case AF_INET: |
| 243 | pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa)) |
| 244 | sa := new(SockaddrInet4) |
| 245 | p := (*[2]byte)(unsafe.Pointer(&pp.Port)) |
| 246 | sa.Port = int(p[0])<<8 + int(p[1]) |
| 247 | for i := 0; i < len(sa.Addr); i++ { |
| 248 | sa.Addr[i] = pp.Addr[i] |
| 249 | } |
| 250 | return sa, nil |
| 251 | |
| 252 | case AF_INET6: |
| 253 | pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa)) |
| 254 | sa := new(SockaddrInet6) |
| 255 | p := (*[2]byte)(unsafe.Pointer(&pp.Port)) |
| 256 | sa.Port = int(p[0])<<8 + int(p[1]) |
| 257 | sa.ZoneId = pp.Scope_id |
| 258 | for i := 0; i < len(sa.Addr); i++ { |
| 259 | sa.Addr[i] = pp.Addr[i] |
| 260 | } |
| 261 | return sa, nil |
| 262 | } |
| 263 | return nil, EAFNOSUPPORT |
| 264 | } |
| 265 | |
| 266 | func Gettimeofday(tv *Timeval) (err error) { |
| 267 | err = gettimeofday(tv, nil) |
| 268 | return |
| 269 | } |
| 270 | |
| 271 | func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { |
| 272 | if raceenabled { |
| 273 | raceReleaseMerge(unsafe.Pointer(&ioSync)) |
| 274 | } |
| 275 | return sendfile(outfd, infd, offset, count) |
| 276 | } |
| 277 | |
| 278 | // TODO |
| 279 | func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { |
| 280 | return -1, ENOSYS |
| 281 | } |
| 282 | |
Matteo Scandolo | f9d4341 | 2021-01-12 11:11:34 -0800 | [diff] [blame] | 283 | func direntIno(buf []byte) (uint64, bool) { |
| 284 | return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino)) |
| 285 | } |
| 286 | |
| 287 | func direntReclen(buf []byte) (uint64, bool) { |
| 288 | return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) |
| 289 | } |
| 290 | |
| 291 | func direntNamlen(buf []byte) (uint64, bool) { |
| 292 | reclen, ok := direntReclen(buf) |
| 293 | if !ok { |
| 294 | return 0, false |
| 295 | } |
| 296 | return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true |
| 297 | } |
| 298 | |
Matteo Scandolo | a6a3aee | 2019-11-26 13:30:14 -0700 | [diff] [blame] | 299 | //sys getdirent(fd int, buf []byte) (n int, err error) |
Matteo Scandolo | f9d4341 | 2021-01-12 11:11:34 -0800 | [diff] [blame] | 300 | func Getdents(fd int, buf []byte) (n int, err error) { |
Matteo Scandolo | a6a3aee | 2019-11-26 13:30:14 -0700 | [diff] [blame] | 301 | return getdirent(fd, buf) |
| 302 | } |
| 303 | |
| 304 | //sys wait4(pid Pid_t, status *_C_int, options int, rusage *Rusage) (wpid Pid_t, err error) |
| 305 | func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) { |
| 306 | var status _C_int |
| 307 | var r Pid_t |
| 308 | err = ERESTART |
| 309 | // AIX wait4 may return with ERESTART errno, while the processus is still |
| 310 | // active. |
| 311 | for err == ERESTART { |
| 312 | r, err = wait4(Pid_t(pid), &status, options, rusage) |
| 313 | } |
| 314 | wpid = int(r) |
| 315 | if wstatus != nil { |
| 316 | *wstatus = WaitStatus(status) |
| 317 | } |
| 318 | return |
| 319 | } |
| 320 | |
| 321 | /* |
| 322 | * Wait |
| 323 | */ |
| 324 | |
| 325 | type WaitStatus uint32 |
| 326 | |
| 327 | func (w WaitStatus) Stopped() bool { return w&0x40 != 0 } |
| 328 | func (w WaitStatus) StopSignal() Signal { |
| 329 | if !w.Stopped() { |
| 330 | return -1 |
| 331 | } |
| 332 | return Signal(w>>8) & 0xFF |
| 333 | } |
| 334 | |
| 335 | func (w WaitStatus) Exited() bool { return w&0xFF == 0 } |
| 336 | func (w WaitStatus) ExitStatus() int { |
| 337 | if !w.Exited() { |
| 338 | return -1 |
| 339 | } |
| 340 | return int((w >> 8) & 0xFF) |
| 341 | } |
| 342 | |
| 343 | func (w WaitStatus) Signaled() bool { return w&0x40 == 0 && w&0xFF != 0 } |
| 344 | func (w WaitStatus) Signal() Signal { |
| 345 | if !w.Signaled() { |
| 346 | return -1 |
| 347 | } |
| 348 | return Signal(w>>16) & 0xFF |
| 349 | } |
| 350 | |
| 351 | func (w WaitStatus) Continued() bool { return w&0x01000000 != 0 } |
| 352 | |
Matteo Scandolo | f9d4341 | 2021-01-12 11:11:34 -0800 | [diff] [blame] | 353 | func (w WaitStatus) CoreDump() bool { return w&0x80 == 0x80 } |
Matteo Scandolo | a6a3aee | 2019-11-26 13:30:14 -0700 | [diff] [blame] | 354 | |
| 355 | func (w WaitStatus) TrapCause() int { return -1 } |
| 356 | |
| 357 | //sys ioctl(fd int, req uint, arg uintptr) (err error) |
| 358 | |
Matteo Scandolo | a6a3aee | 2019-11-26 13:30:14 -0700 | [diff] [blame] | 359 | // fcntl must never be called with cmd=F_DUP2FD because it doesn't work on AIX |
| 360 | // There is no way to create a custom fcntl and to keep //sys fcntl easily, |
| 361 | // Therefore, the programmer must call dup2 instead of fcntl in this case. |
| 362 | |
| 363 | // FcntlInt performs a fcntl syscall on fd with the provided command and argument. |
| 364 | //sys FcntlInt(fd uintptr, cmd int, arg int) (r int,err error) = fcntl |
| 365 | |
| 366 | // FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command. |
| 367 | //sys FcntlFlock(fd uintptr, cmd int, lk *Flock_t) (err error) = fcntl |
| 368 | |
| 369 | //sys fcntl(fd int, cmd int, arg int) (val int, err error) |
| 370 | |
| 371 | /* |
| 372 | * Direct access |
| 373 | */ |
| 374 | |
| 375 | //sys Acct(path string) (err error) |
| 376 | //sys Chdir(path string) (err error) |
| 377 | //sys Chroot(path string) (err error) |
| 378 | //sys Close(fd int) (err error) |
| 379 | //sys Dup(oldfd int) (fd int, err error) |
| 380 | //sys Exit(code int) |
| 381 | //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) |
| 382 | //sys Fchdir(fd int) (err error) |
| 383 | //sys Fchmod(fd int, mode uint32) (err error) |
| 384 | //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) |
| 385 | //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) |
| 386 | //sys Fdatasync(fd int) (err error) |
| 387 | //sys Fsync(fd int) (err error) |
| 388 | // readdir_r |
| 389 | //sysnb Getpgid(pid int) (pgid int, err error) |
| 390 | |
| 391 | //sys Getpgrp() (pid int) |
| 392 | |
| 393 | //sysnb Getpid() (pid int) |
| 394 | //sysnb Getppid() (ppid int) |
| 395 | //sys Getpriority(which int, who int) (prio int, err error) |
| 396 | //sysnb Getrusage(who int, rusage *Rusage) (err error) |
| 397 | //sysnb Getsid(pid int) (sid int, err error) |
| 398 | //sysnb Kill(pid int, sig Signal) (err error) |
| 399 | //sys Klogctl(typ int, buf []byte) (n int, err error) = syslog |
| 400 | //sys Mkdir(dirfd int, path string, mode uint32) (err error) |
| 401 | //sys Mkdirat(dirfd int, path string, mode uint32) (err error) |
| 402 | //sys Mkfifo(path string, mode uint32) (err error) |
| 403 | //sys Mknod(path string, mode uint32, dev int) (err error) |
| 404 | //sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error) |
| 405 | //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) |
| 406 | //sys Open(path string, mode int, perm uint32) (fd int, err error) = open64 |
| 407 | //sys Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error) |
| 408 | //sys read(fd int, p []byte) (n int, err error) |
| 409 | //sys Readlink(path string, buf []byte) (n int, err error) |
| 410 | //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) |
| 411 | //sys Setdomainname(p []byte) (err error) |
| 412 | //sys Sethostname(p []byte) (err error) |
| 413 | //sysnb Setpgid(pid int, pgid int) (err error) |
| 414 | //sysnb Setsid() (pid int, err error) |
| 415 | //sysnb Settimeofday(tv *Timeval) (err error) |
| 416 | |
| 417 | //sys Setuid(uid int) (err error) |
| 418 | //sys Setgid(uid int) (err error) |
| 419 | |
| 420 | //sys Setpriority(which int, who int, prio int) (err error) |
| 421 | //sys Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) |
| 422 | //sys Sync() |
| 423 | //sysnb Times(tms *Tms) (ticks uintptr, err error) |
| 424 | //sysnb Umask(mask int) (oldmask int) |
| 425 | //sysnb Uname(buf *Utsname) (err error) |
| 426 | //sys Unlink(path string) (err error) |
| 427 | //sys Unlinkat(dirfd int, path string, flags int) (err error) |
| 428 | //sys Ustat(dev int, ubuf *Ustat_t) (err error) |
| 429 | //sys write(fd int, p []byte) (n int, err error) |
| 430 | //sys readlen(fd int, p *byte, np int) (n int, err error) = read |
| 431 | //sys writelen(fd int, p *byte, np int) (n int, err error) = write |
| 432 | |
| 433 | //sys Dup2(oldfd int, newfd int) (err error) |
| 434 | //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = posix_fadvise64 |
| 435 | //sys Fchown(fd int, uid int, gid int) (err error) |
Matteo Scandolo | f9d4341 | 2021-01-12 11:11:34 -0800 | [diff] [blame] | 436 | //sys fstat(fd int, stat *Stat_t) (err error) |
| 437 | //sys fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = fstatat |
Matteo Scandolo | a6a3aee | 2019-11-26 13:30:14 -0700 | [diff] [blame] | 438 | //sys Fstatfs(fd int, buf *Statfs_t) (err error) |
| 439 | //sys Ftruncate(fd int, length int64) (err error) |
| 440 | //sysnb Getegid() (egid int) |
| 441 | //sysnb Geteuid() (euid int) |
| 442 | //sysnb Getgid() (gid int) |
| 443 | //sysnb Getuid() (uid int) |
| 444 | //sys Lchown(path string, uid int, gid int) (err error) |
| 445 | //sys Listen(s int, n int) (err error) |
Matteo Scandolo | f9d4341 | 2021-01-12 11:11:34 -0800 | [diff] [blame] | 446 | //sys lstat(path string, stat *Stat_t) (err error) |
Matteo Scandolo | a6a3aee | 2019-11-26 13:30:14 -0700 | [diff] [blame] | 447 | //sys Pause() (err error) |
| 448 | //sys Pread(fd int, p []byte, offset int64) (n int, err error) = pread64 |
| 449 | //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = pwrite64 |
| 450 | //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) |
| 451 | //sys Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) |
| 452 | //sysnb Setregid(rgid int, egid int) (err error) |
| 453 | //sysnb Setreuid(ruid int, euid int) (err error) |
| 454 | //sys Shutdown(fd int, how int) (err error) |
| 455 | //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) |
Matteo Scandolo | f9d4341 | 2021-01-12 11:11:34 -0800 | [diff] [blame] | 456 | //sys stat(path string, statptr *Stat_t) (err error) |
Matteo Scandolo | a6a3aee | 2019-11-26 13:30:14 -0700 | [diff] [blame] | 457 | //sys Statfs(path string, buf *Statfs_t) (err error) |
| 458 | //sys Truncate(path string, length int64) (err error) |
| 459 | |
| 460 | //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
| 461 | //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) |
| 462 | //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) |
| 463 | //sysnb setgroups(n int, list *_Gid_t) (err error) |
| 464 | //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) |
| 465 | //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) |
| 466 | //sysnb socket(domain int, typ int, proto int) (fd int, err error) |
| 467 | //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) |
| 468 | //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) |
| 469 | //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) |
| 470 | //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) |
| 471 | //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) |
| 472 | |
| 473 | // In order to use msghdr structure with Control, Controllen, nrecvmsg and nsendmsg must be used. |
| 474 | //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) = nrecvmsg |
| 475 | //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = nsendmsg |
| 476 | |
| 477 | //sys munmap(addr uintptr, length uintptr) (err error) |
| 478 | |
| 479 | var mapper = &mmapper{ |
| 480 | active: make(map[*byte][]byte), |
| 481 | mmap: mmap, |
| 482 | munmap: munmap, |
| 483 | } |
| 484 | |
| 485 | func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) { |
| 486 | return mapper.Mmap(fd, offset, length, prot, flags) |
| 487 | } |
| 488 | |
| 489 | func Munmap(b []byte) (err error) { |
| 490 | return mapper.Munmap(b) |
| 491 | } |
| 492 | |
| 493 | //sys Madvise(b []byte, advice int) (err error) |
| 494 | //sys Mprotect(b []byte, prot int) (err error) |
| 495 | //sys Mlock(b []byte) (err error) |
| 496 | //sys Mlockall(flags int) (err error) |
| 497 | //sys Msync(b []byte, flags int) (err error) |
| 498 | //sys Munlock(b []byte) (err error) |
| 499 | //sys Munlockall() (err error) |
| 500 | |
| 501 | //sysnb pipe(p *[2]_C_int) (err error) |
| 502 | |
| 503 | func Pipe(p []int) (err error) { |
| 504 | if len(p) != 2 { |
| 505 | return EINVAL |
| 506 | } |
| 507 | var pp [2]_C_int |
| 508 | err = pipe(&pp) |
| 509 | p[0] = int(pp[0]) |
| 510 | p[1] = int(pp[1]) |
| 511 | return |
| 512 | } |
| 513 | |
| 514 | //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) |
| 515 | |
| 516 | func Poll(fds []PollFd, timeout int) (n int, err error) { |
| 517 | if len(fds) == 0 { |
| 518 | return poll(nil, 0, timeout) |
| 519 | } |
| 520 | return poll(&fds[0], len(fds), timeout) |
| 521 | } |
| 522 | |
| 523 | //sys gettimeofday(tv *Timeval, tzp *Timezone) (err error) |
| 524 | //sysnb Time(t *Time_t) (tt Time_t, err error) |
| 525 | //sys Utime(path string, buf *Utimbuf) (err error) |
| 526 | |
| 527 | //sys Getsystemcfg(label int) (n uint64) |
| 528 | |
| 529 | //sys umount(target string) (err error) |
| 530 | func Unmount(target string, flags int) (err error) { |
| 531 | if flags != 0 { |
| 532 | // AIX doesn't have any flags for umount. |
| 533 | return ENOSYS |
| 534 | } |
| 535 | return umount(target) |
| 536 | } |