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-rw-r--r--vendor/github.com/fsouza/go-dockerclient/external/golang.org/x/sys/unix/syscall_bsd.go628
1 files changed, 0 insertions, 628 deletions
diff --git a/vendor/github.com/fsouza/go-dockerclient/external/golang.org/x/sys/unix/syscall_bsd.go b/vendor/github.com/fsouza/go-dockerclient/external/golang.org/x/sys/unix/syscall_bsd.go
deleted file mode 100644
index e967176..0000000
--- a/vendor/github.com/fsouza/go-dockerclient/external/golang.org/x/sys/unix/syscall_bsd.go
+++ /dev/null
@@ -1,628 +0,0 @@
1// Copyright 2009 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 darwin dragonfly freebsd netbsd openbsd
6
7// BSD system call wrappers shared by *BSD based systems
8// including OS X (Darwin) and FreeBSD. Like the other
9// syscall_*.go files it is compiled as Go code but also
10// used as input to mksyscall which parses the //sys
11// lines and generates system call stubs.
12
13package unix
14
15import (
16 "runtime"
17 "syscall"
18 "unsafe"
19)
20
21/*
22 * Wrapped
23 */
24
25//sysnb getgroups(ngid int, gid *_Gid_t) (n int, err error)
26//sysnb setgroups(ngid int, gid *_Gid_t) (err error)
27
28func Getgroups() (gids []int, err error) {
29 n, err := getgroups(0, nil)
30 if err != nil {
31 return nil, err
32 }
33 if n == 0 {
34 return nil, nil
35 }
36
37 // Sanity check group count. Max is 16 on BSD.
38 if n < 0 || n > 1000 {
39 return nil, EINVAL
40 }
41
42 a := make([]_Gid_t, n)
43 n, err = getgroups(n, &a[0])
44 if err != nil {
45 return nil, err
46 }
47 gids = make([]int, n)
48 for i, v := range a[0:n] {
49 gids[i] = int(v)
50 }
51 return
52}
53
54func Setgroups(gids []int) (err error) {
55 if len(gids) == 0 {
56 return setgroups(0, nil)
57 }
58
59 a := make([]_Gid_t, len(gids))
60 for i, v := range gids {
61 a[i] = _Gid_t(v)
62 }
63 return setgroups(len(a), &a[0])
64}
65
66func ReadDirent(fd int, buf []byte) (n int, err error) {
67 // Final argument is (basep *uintptr) and the syscall doesn't take nil.
68 // 64 bits should be enough. (32 bits isn't even on 386). Since the
69 // actual system call is getdirentries64, 64 is a good guess.
70 // TODO(rsc): Can we use a single global basep for all calls?
71 var base = (*uintptr)(unsafe.Pointer(new(uint64)))
72 return Getdirentries(fd, buf, base)
73}
74
75// Wait status is 7 bits at bottom, either 0 (exited),
76// 0x7F (stopped), or a signal number that caused an exit.
77// The 0x80 bit is whether there was a core dump.
78// An extra number (exit code, signal causing a stop)
79// is in the high bits.
80
81type WaitStatus uint32
82
83const (
84 mask = 0x7F
85 core = 0x80
86 shift = 8
87
88 exited = 0
89 stopped = 0x7F
90)
91
92func (w WaitStatus) Exited() bool { return w&mask == exited }
93
94func (w WaitStatus) ExitStatus() int {
95 if w&mask != exited {
96 return -1
97 }
98 return int(w >> shift)
99}
100
101func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != 0 }
102
103func (w WaitStatus) Signal() syscall.Signal {
104 sig := syscall.Signal(w & mask)
105 if sig == stopped || sig == 0 {
106 return -1
107 }
108 return sig
109}
110
111func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 }
112
113func (w WaitStatus) Stopped() bool { return w&mask == stopped && syscall.Signal(w>>shift) != SIGSTOP }
114
115func (w WaitStatus) Continued() bool { return w&mask == stopped && syscall.Signal(w>>shift) == SIGSTOP }
116
117func (w WaitStatus) StopSignal() syscall.Signal {
118 if !w.Stopped() {
119 return -1
120 }
121 return syscall.Signal(w>>shift) & 0xFF
122}
123
124func (w WaitStatus) TrapCause() int { return -1 }
125
126//sys wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error)
127
128func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
129 var status _C_int
130 wpid, err = wait4(pid, &status, options, rusage)
131 if wstatus != nil {
132 *wstatus = WaitStatus(status)
133 }
134 return
135}
136
137//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
138//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
139//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
140//sysnb socket(domain int, typ int, proto int) (fd int, err error)
141//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
142//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
143//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
144//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
145//sys Shutdown(s int, how int) (err error)
146
147func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {
148 if sa.Port < 0 || sa.Port > 0xFFFF {
149 return nil, 0, EINVAL
150 }
151 sa.raw.Len = SizeofSockaddrInet4
152 sa.raw.Family = AF_INET
153 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
154 p[0] = byte(sa.Port >> 8)
155 p[1] = byte(sa.Port)
156 for i := 0; i < len(sa.Addr); i++ {
157 sa.raw.Addr[i] = sa.Addr[i]
158 }
159 return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
160}
161
162func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) {
163 if sa.Port < 0 || sa.Port > 0xFFFF {
164 return nil, 0, EINVAL
165 }
166 sa.raw.Len = SizeofSockaddrInet6
167 sa.raw.Family = AF_INET6
168 p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
169 p[0] = byte(sa.Port >> 8)
170 p[1] = byte(sa.Port)
171 sa.raw.Scope_id = sa.ZoneId
172 for i := 0; i < len(sa.Addr); i++ {
173 sa.raw.Addr[i] = sa.Addr[i]
174 }
175 return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
176}
177
178func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
179 name := sa.Name
180 n := len(name)
181 if n >= len(sa.raw.Path) || n == 0 {
182 return nil, 0, EINVAL
183 }
184 sa.raw.Len = byte(3 + n) // 2 for Family, Len; 1 for NUL
185 sa.raw.Family = AF_UNIX
186 for i := 0; i < n; i++ {
187 sa.raw.Path[i] = int8(name[i])
188 }
189 return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
190}
191
192func (sa *SockaddrDatalink) sockaddr() (unsafe.Pointer, _Socklen, error) {
193 if sa.Index == 0 {
194 return nil, 0, EINVAL
195 }
196 sa.raw.Len = sa.Len
197 sa.raw.Family = AF_LINK
198 sa.raw.Index = sa.Index
199 sa.raw.Type = sa.Type
200 sa.raw.Nlen = sa.Nlen
201 sa.raw.Alen = sa.Alen
202 sa.raw.Slen = sa.Slen
203 for i := 0; i < len(sa.raw.Data); i++ {
204 sa.raw.Data[i] = sa.Data[i]
205 }
206 return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil
207}
208
209func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
210 switch rsa.Addr.Family {
211 case AF_LINK:
212 pp := (*RawSockaddrDatalink)(unsafe.Pointer(rsa))
213 sa := new(SockaddrDatalink)
214 sa.Len = pp.Len
215 sa.Family = pp.Family
216 sa.Index = pp.Index
217 sa.Type = pp.Type
218 sa.Nlen = pp.Nlen
219 sa.Alen = pp.Alen
220 sa.Slen = pp.Slen
221 for i := 0; i < len(sa.Data); i++ {
222 sa.Data[i] = pp.Data[i]
223 }
224 return sa, nil
225
226 case AF_UNIX:
227 pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
228 if pp.Len < 2 || pp.Len > SizeofSockaddrUnix {
229 return nil, EINVAL
230 }
231 sa := new(SockaddrUnix)
232
233 // Some BSDs include the trailing NUL in the length, whereas
234 // others do not. Work around this by subtracting the leading
235 // family and len. The path is then scanned to see if a NUL
236 // terminator still exists within the length.
237 n := int(pp.Len) - 2 // subtract leading Family, Len
238 for i := 0; i < n; i++ {
239 if pp.Path[i] == 0 {
240 // found early NUL; assume Len included the NUL
241 // or was overestimating.
242 n = i
243 break
244 }
245 }
246 bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
247 sa.Name = string(bytes)
248 return sa, nil
249
250 case AF_INET:
251 pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
252 sa := new(SockaddrInet4)
253 p := (*[2]byte)(unsafe.Pointer(&pp.Port))
254 sa.Port = int(p[0])<<8 + int(p[1])
255 for i := 0; i < len(sa.Addr); i++ {
256 sa.Addr[i] = pp.Addr[i]
257 }
258 return sa, nil
259
260 case AF_INET6:
261 pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
262 sa := new(SockaddrInet6)
263 p := (*[2]byte)(unsafe.Pointer(&pp.Port))
264 sa.Port = int(p[0])<<8 + int(p[1])
265 sa.ZoneId = pp.Scope_id
266 for i := 0; i < len(sa.Addr); i++ {
267 sa.Addr[i] = pp.Addr[i]
268 }
269 return sa, nil
270 }
271 return nil, EAFNOSUPPORT
272}
273
274func Accept(fd int) (nfd int, sa Sockaddr, err error) {
275 var rsa RawSockaddrAny
276 var len _Socklen = SizeofSockaddrAny
277 nfd, err = accept(fd, &rsa, &len)
278 if err != nil {
279 return
280 }
281 if runtime.GOOS == "darwin" && len == 0 {
282 // Accepted socket has no address.
283 // This is likely due to a bug in xnu kernels,
284 // where instead of ECONNABORTED error socket
285 // is accepted, but has no address.
286 Close(nfd)
287 return 0, nil, ECONNABORTED
288 }
289 sa, err = anyToSockaddr(&rsa)
290 if err != nil {
291 Close(nfd)
292 nfd = 0
293 }
294 return
295}
296
297func Getsockname(fd int) (sa Sockaddr, err error) {
298 var rsa RawSockaddrAny
299 var len _Socklen = SizeofSockaddrAny
300 if err = getsockname(fd, &rsa, &len); err != nil {
301 return
302 }
303 // TODO(jsing): DragonFly has a "bug" (see issue 3349), which should be
304 // reported upstream.
305 if runtime.GOOS == "dragonfly" && rsa.Addr.Family == AF_UNSPEC && rsa.Addr.Len == 0 {
306 rsa.Addr.Family = AF_UNIX
307 rsa.Addr.Len = SizeofSockaddrUnix
308 }
309 return anyToSockaddr(&rsa)
310}
311
312//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
313
314func GetsockoptByte(fd, level, opt int) (value byte, err error) {
315 var n byte
316 vallen := _Socklen(1)
317 err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen)
318 return n, err
319}
320
321func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) {
322 vallen := _Socklen(4)
323 err = getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen)
324 return value, err
325}
326
327func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) {
328 var value IPMreq
329 vallen := _Socklen(SizeofIPMreq)
330 err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
331 return &value, err
332}
333
334func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) {
335 var value IPv6Mreq
336 vallen := _Socklen(SizeofIPv6Mreq)
337 err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
338 return &value, err
339}
340
341func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) {
342 var value IPv6MTUInfo
343 vallen := _Socklen(SizeofIPv6MTUInfo)
344 err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
345 return &value, err
346}
347
348func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) {
349 var value ICMPv6Filter
350 vallen := _Socklen(SizeofICMPv6Filter)
351 err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
352 return &value, err
353}
354
355//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
356//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
357//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
358
359func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
360 var msg Msghdr
361 var rsa RawSockaddrAny
362 msg.Name = (*byte)(unsafe.Pointer(&rsa))
363 msg.Namelen = uint32(SizeofSockaddrAny)
364 var iov Iovec
365 if len(p) > 0 {
366 iov.Base = (*byte)(unsafe.Pointer(&p[0]))
367 iov.SetLen(len(p))
368 }
369 var dummy byte
370 if len(oob) > 0 {
371 // receive at least one normal byte
372 if len(p) == 0 {
373 iov.Base = &dummy
374 iov.SetLen(1)
375 }
376 msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
377 msg.SetControllen(len(oob))
378 }
379 msg.Iov = &iov
380 msg.Iovlen = 1
381 if n, err = recvmsg(fd, &msg, flags); err != nil {
382 return
383 }
384 oobn = int(msg.Controllen)
385 recvflags = int(msg.Flags)
386 // source address is only specified if the socket is unconnected
387 if rsa.Addr.Family != AF_UNSPEC {
388 from, err = anyToSockaddr(&rsa)
389 }
390 return
391}
392
393//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
394
395func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
396 _, err = SendmsgN(fd, p, oob, to, flags)
397 return
398}
399
400func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
401 var ptr unsafe.Pointer
402 var salen _Socklen
403 if to != nil {
404 ptr, salen, err = to.sockaddr()
405 if err != nil {
406 return 0, err
407 }
408 }
409 var msg Msghdr
410 msg.Name = (*byte)(unsafe.Pointer(ptr))
411 msg.Namelen = uint32(salen)
412 var iov Iovec
413 if len(p) > 0 {
414 iov.Base = (*byte)(unsafe.Pointer(&p[0]))
415 iov.SetLen(len(p))
416 }
417 var dummy byte
418 if len(oob) > 0 {
419 // send at least one normal byte
420 if len(p) == 0 {
421 iov.Base = &dummy
422 iov.SetLen(1)
423 }
424 msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
425 msg.SetControllen(len(oob))
426 }
427 msg.Iov = &iov
428 msg.Iovlen = 1
429 if n, err = sendmsg(fd, &msg, flags); err != nil {
430 return 0, err
431 }
432 if len(oob) > 0 && len(p) == 0 {
433 n = 0
434 }
435 return n, nil
436}
437
438//sys kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error)
439
440func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, err error) {
441 var change, event unsafe.Pointer
442 if len(changes) > 0 {
443 change = unsafe.Pointer(&changes[0])
444 }
445 if len(events) > 0 {
446 event = unsafe.Pointer(&events[0])
447 }
448 return kevent(kq, change, len(changes), event, len(events), timeout)
449}
450
451//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
452
453// sysctlmib translates name to mib number and appends any additional args.
454func sysctlmib(name string, args ...int) ([]_C_int, error) {
455 // Translate name to mib number.
456 mib, err := nametomib(name)
457 if err != nil {
458 return nil, err
459 }
460
461 for _, a := range args {
462 mib = append(mib, _C_int(a))
463 }
464
465 return mib, nil
466}
467
468func Sysctl(name string) (string, error) {
469 return SysctlArgs(name)
470}
471
472func SysctlArgs(name string, args ...int) (string, error) {
473 mib, err := sysctlmib(name, args...)
474 if err != nil {
475 return "", err
476 }
477
478 // Find size.
479 n := uintptr(0)
480 if err := sysctl(mib, nil, &n, nil, 0); err != nil {
481 return "", err
482 }
483 if n == 0 {
484 return "", nil
485 }
486
487 // Read into buffer of that size.
488 buf := make([]byte, n)
489 if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
490 return "", err
491 }
492
493 // Throw away terminating NUL.
494 if n > 0 && buf[n-1] == '\x00' {
495 n--
496 }
497 return string(buf[0:n]), nil
498}
499
500func SysctlUint32(name string) (uint32, error) {
501 return SysctlUint32Args(name)
502}
503
504func SysctlUint32Args(name string, args ...int) (uint32, error) {
505 mib, err := sysctlmib(name, args...)
506 if err != nil {
507 return 0, err
508 }
509
510 n := uintptr(4)
511 buf := make([]byte, 4)
512 if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
513 return 0, err
514 }
515 if n != 4 {
516 return 0, EIO
517 }
518 return *(*uint32)(unsafe.Pointer(&buf[0])), nil
519}
520
521func SysctlUint64(name string, args ...int) (uint64, error) {
522 mib, err := sysctlmib(name, args...)
523 if err != nil {
524 return 0, err
525 }
526
527 n := uintptr(8)
528 buf := make([]byte, 8)
529 if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
530 return 0, err
531 }
532 if n != 8 {
533 return 0, EIO
534 }
535 return *(*uint64)(unsafe.Pointer(&buf[0])), nil
536}
537
538func SysctlRaw(name string, args ...int) ([]byte, error) {
539 mib, err := sysctlmib(name, args...)
540 if err != nil {
541 return nil, err
542 }
543
544 // Find size.
545 n := uintptr(0)
546 if err := sysctl(mib, nil, &n, nil, 0); err != nil {
547 return nil, err
548 }
549 if n == 0 {
550 return nil, nil
551 }
552
553 // Read into buffer of that size.
554 buf := make([]byte, n)
555 if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
556 return nil, err
557 }
558
559 // The actual call may return less than the original reported required
560 // size so ensure we deal with that.
561 return buf[:n], nil
562}
563
564//sys utimes(path string, timeval *[2]Timeval) (err error)
565
566func Utimes(path string, tv []Timeval) error {
567 if tv == nil {
568 return utimes(path, nil)
569 }
570 if len(tv) != 2 {
571 return EINVAL
572 }
573 return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
574}
575
576func UtimesNano(path string, ts []Timespec) error {
577 if ts == nil {
578 return utimes(path, nil)
579 }
580 // TODO: The BSDs can do utimensat with SYS_UTIMENSAT but it
581 // isn't supported by darwin so this uses utimes instead
582 if len(ts) != 2 {
583 return EINVAL
584 }
585 // Not as efficient as it could be because Timespec and
586 // Timeval have different types in the different OSes
587 tv := [2]Timeval{
588 NsecToTimeval(TimespecToNsec(ts[0])),
589 NsecToTimeval(TimespecToNsec(ts[1])),
590 }
591 return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
592}
593
594//sys futimes(fd int, timeval *[2]Timeval) (err error)
595
596func Futimes(fd int, tv []Timeval) error {
597 if tv == nil {
598 return futimes(fd, nil)
599 }
600 if len(tv) != 2 {
601 return EINVAL
602 }
603 return futimes(fd, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
604}
605
606//sys fcntl(fd int, cmd int, arg int) (val int, err error)
607
608// TODO: wrap
609// Acct(name nil-string) (err error)
610// Gethostuuid(uuid *byte, timeout *Timespec) (err error)
611// Madvise(addr *byte, len int, behav int) (err error)
612// Mprotect(addr *byte, len int, prot int) (err error)
613// Msync(addr *byte, len int, flags int) (err error)
614// Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, err error)
615
616var mapper = &mmapper{
617 active: make(map[*byte][]byte),
618 mmap: mmap,
619 munmap: munmap,
620}
621
622func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
623 return mapper.Mmap(fd, offset, length, prot, flags)
624}
625
626func Munmap(b []byte) (err error) {
627 return mapper.Munmap(b)
628}
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