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path: root/vendor/golang.org/x/sys/unix/syscall_bsd.go
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Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_bsd.go')
-rw-r--r--vendor/golang.org/x/sys/unix/syscall_bsd.go624
1 files changed, 0 insertions, 624 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_bsd.go b/vendor/golang.org/x/sys/unix/syscall_bsd.go
deleted file mode 100644
index 33c8b5f..0000000
--- a/vendor/golang.org/x/sys/unix/syscall_bsd.go
+++ /dev/null
@@ -1,624 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build darwin dragonfly freebsd netbsd openbsd
-
-// BSD system call wrappers shared by *BSD based systems
-// including OS X (Darwin) and FreeBSD. Like the other
-// syscall_*.go files it is compiled as Go code but also
-// used as input to mksyscall which parses the //sys
-// lines and generates system call stubs.
-
-package unix
-
-import (
- "runtime"
- "syscall"
- "unsafe"
-)
-
-/*
- * Wrapped
- */
-
-//sysnb getgroups(ngid int, gid *_Gid_t) (n int, err error)
-//sysnb setgroups(ngid int, gid *_Gid_t) (err error)
-
-func Getgroups() (gids []int, err error) {
- n, err := getgroups(0, nil)
- if err != nil {
- return nil, err
- }
- if n == 0 {
- return nil, nil
- }
-
- // Sanity check group count. Max is 16 on BSD.
- if n < 0 || n > 1000 {
- return nil, EINVAL
- }
-
- a := make([]_Gid_t, n)
- n, err = getgroups(n, &a[0])
- if err != nil {
- return nil, err
- }
- gids = make([]int, n)
- for i, v := range a[0:n] {
- gids[i] = int(v)
- }
- return
-}
-
-func Setgroups(gids []int) (err error) {
- if len(gids) == 0 {
- return setgroups(0, nil)
- }
-
- a := make([]_Gid_t, len(gids))
- for i, v := range gids {
- a[i] = _Gid_t(v)
- }
- return setgroups(len(a), &a[0])
-}
-
-func ReadDirent(fd int, buf []byte) (n int, err error) {
- // Final argument is (basep *uintptr) and the syscall doesn't take nil.
- // 64 bits should be enough. (32 bits isn't even on 386). Since the
- // actual system call is getdirentries64, 64 is a good guess.
- // TODO(rsc): Can we use a single global basep for all calls?
- var base = (*uintptr)(unsafe.Pointer(new(uint64)))
- return Getdirentries(fd, buf, base)
-}
-
-// Wait status is 7 bits at bottom, either 0 (exited),
-// 0x7F (stopped), or a signal number that caused an exit.
-// The 0x80 bit is whether there was a core dump.
-// An extra number (exit code, signal causing a stop)
-// is in the high bits.
-
-type WaitStatus uint32
-
-const (
- mask = 0x7F
- core = 0x80
- shift = 8
-
- exited = 0
- stopped = 0x7F
-)
-
-func (w WaitStatus) Exited() bool { return w&mask == exited }
-
-func (w WaitStatus) ExitStatus() int {
- if w&mask != exited {
- return -1
- }
- return int(w >> shift)
-}
-
-func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != 0 }
-
-func (w WaitStatus) Signal() syscall.Signal {
- sig := syscall.Signal(w & mask)
- if sig == stopped || sig == 0 {
- return -1
- }
- return sig
-}
-
-func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 }
-
-func (w WaitStatus) Stopped() bool { return w&mask == stopped && syscall.Signal(w>>shift) != SIGSTOP }
-
-func (w WaitStatus) Continued() bool { return w&mask == stopped && syscall.Signal(w>>shift) == SIGSTOP }
-
-func (w WaitStatus) StopSignal() syscall.Signal {
- if !w.Stopped() {
- return -1
- }
- return syscall.Signal(w>>shift) & 0xFF
-}
-
-func (w WaitStatus) TrapCause() int { return -1 }
-
-//sys wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error)
-
-func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
- var status _C_int
- wpid, err = wait4(pid, &status, options, rusage)
- if wstatus != nil {
- *wstatus = WaitStatus(status)
- }
- return
-}
-
-//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
-//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
-//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
-//sysnb socket(domain int, typ int, proto int) (fd int, err error)
-//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
-//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
-//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
-//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
-//sys Shutdown(s int, how int) (err error)
-
-func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {
- if sa.Port < 0 || sa.Port > 0xFFFF {
- return nil, 0, EINVAL
- }
- sa.raw.Len = SizeofSockaddrInet4
- sa.raw.Family = AF_INET
- p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
- p[0] = byte(sa.Port >> 8)
- p[1] = byte(sa.Port)
- for i := 0; i < len(sa.Addr); i++ {
- sa.raw.Addr[i] = sa.Addr[i]
- }
- return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
-}
-
-func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) {
- if sa.Port < 0 || sa.Port > 0xFFFF {
- return nil, 0, EINVAL
- }
- sa.raw.Len = SizeofSockaddrInet6
- sa.raw.Family = AF_INET6
- p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
- p[0] = byte(sa.Port >> 8)
- p[1] = byte(sa.Port)
- sa.raw.Scope_id = sa.ZoneId
- for i := 0; i < len(sa.Addr); i++ {
- sa.raw.Addr[i] = sa.Addr[i]
- }
- return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
-}
-
-func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
- name := sa.Name
- n := len(name)
- if n >= len(sa.raw.Path) || n == 0 {
- return nil, 0, EINVAL
- }
- sa.raw.Len = byte(3 + n) // 2 for Family, Len; 1 for NUL
- sa.raw.Family = AF_UNIX
- for i := 0; i < n; i++ {
- sa.raw.Path[i] = int8(name[i])
- }
- return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
-}
-
-func (sa *SockaddrDatalink) sockaddr() (unsafe.Pointer, _Socklen, error) {
- if sa.Index == 0 {
- return nil, 0, EINVAL
- }
- sa.raw.Len = sa.Len
- sa.raw.Family = AF_LINK
- sa.raw.Index = sa.Index
- sa.raw.Type = sa.Type
- sa.raw.Nlen = sa.Nlen
- sa.raw.Alen = sa.Alen
- sa.raw.Slen = sa.Slen
- for i := 0; i < len(sa.raw.Data); i++ {
- sa.raw.Data[i] = sa.Data[i]
- }
- return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil
-}
-
-func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
- switch rsa.Addr.Family {
- case AF_LINK:
- pp := (*RawSockaddrDatalink)(unsafe.Pointer(rsa))
- sa := new(SockaddrDatalink)
- sa.Len = pp.Len
- sa.Family = pp.Family
- sa.Index = pp.Index
- sa.Type = pp.Type
- sa.Nlen = pp.Nlen
- sa.Alen = pp.Alen
- sa.Slen = pp.Slen
- for i := 0; i < len(sa.Data); i++ {
- sa.Data[i] = pp.Data[i]
- }
- return sa, nil
-
- case AF_UNIX:
- pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
- if pp.Len < 2 || pp.Len > SizeofSockaddrUnix {
- return nil, EINVAL
- }
- sa := new(SockaddrUnix)
-
- // Some BSDs include the trailing NUL in the length, whereas
- // others do not. Work around this by subtracting the leading
- // family and len. The path is then scanned to see if a NUL
- // terminator still exists within the length.
- n := int(pp.Len) - 2 // subtract leading Family, Len
- for i := 0; i < n; i++ {
- if pp.Path[i] == 0 {
- // found early NUL; assume Len included the NUL
- // or was overestimating.
- n = i
- break
- }
- }
- bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
- sa.Name = string(bytes)
- return sa, nil
-
- case AF_INET:
- pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
- sa := new(SockaddrInet4)
- p := (*[2]byte)(unsafe.Pointer(&pp.Port))
- sa.Port = int(p[0])<<8 + int(p[1])
- for i := 0; i < len(sa.Addr); i++ {
- sa.Addr[i] = pp.Addr[i]
- }
- return sa, nil
-
- case AF_INET6:
- pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
- sa := new(SockaddrInet6)
- p := (*[2]byte)(unsafe.Pointer(&pp.Port))
- sa.Port = int(p[0])<<8 + int(p[1])
- sa.ZoneId = pp.Scope_id
- for i := 0; i < len(sa.Addr); i++ {
- sa.Addr[i] = pp.Addr[i]
- }
- return sa, nil
- }
- return nil, EAFNOSUPPORT
-}
-
-func Accept(fd int) (nfd int, sa Sockaddr, err error) {
- var rsa RawSockaddrAny
- var len _Socklen = SizeofSockaddrAny
- nfd, err = accept(fd, &rsa, &len)
- if err != nil {
- return
- }
- if runtime.GOOS == "darwin" && len == 0 {
- // Accepted socket has no address.
- // This is likely due to a bug in xnu kernels,
- // where instead of ECONNABORTED error socket
- // is accepted, but has no address.
- Close(nfd)
- return 0, nil, ECONNABORTED
- }
- sa, err = anyToSockaddr(fd, &rsa)
- if err != nil {
- Close(nfd)
- nfd = 0
- }
- return
-}
-
-func Getsockname(fd int) (sa Sockaddr, err error) {
- var rsa RawSockaddrAny
- var len _Socklen = SizeofSockaddrAny
- if err = getsockname(fd, &rsa, &len); err != nil {
- return
- }
- // TODO(jsing): DragonFly has a "bug" (see issue 3349), which should be
- // reported upstream.
- if runtime.GOOS == "dragonfly" && rsa.Addr.Family == AF_UNSPEC && rsa.Addr.Len == 0 {
- rsa.Addr.Family = AF_UNIX
- rsa.Addr.Len = SizeofSockaddrUnix
- }
- return anyToSockaddr(fd, &rsa)
-}
-
-//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
-
-// GetsockoptString returns the string value of the socket option opt for the
-// socket associated with fd at the given socket level.
-func GetsockoptString(fd, level, opt int) (string, error) {
- buf := make([]byte, 256)
- vallen := _Socklen(len(buf))
- err := getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
- if err != nil {
- return "", err
- }
- return string(buf[:vallen-1]), nil
-}
-
-//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
-//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
-//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
-
-func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
- var msg Msghdr
- var rsa RawSockaddrAny
- msg.Name = (*byte)(unsafe.Pointer(&rsa))
- msg.Namelen = uint32(SizeofSockaddrAny)
- var iov Iovec
- if len(p) > 0 {
- iov.Base = (*byte)(unsafe.Pointer(&p[0]))
- iov.SetLen(len(p))
- }
- var dummy byte
- if len(oob) > 0 {
- // receive at least one normal byte
- if len(p) == 0 {
- iov.Base = &dummy
- iov.SetLen(1)
- }
- msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
- msg.SetControllen(len(oob))
- }
- msg.Iov = &iov
- msg.Iovlen = 1
- if n, err = recvmsg(fd, &msg, flags); err != nil {
- return
- }
- oobn = int(msg.Controllen)
- recvflags = int(msg.Flags)
- // source address is only specified if the socket is unconnected
- if rsa.Addr.Family != AF_UNSPEC {
- from, err = anyToSockaddr(fd, &rsa)
- }
- return
-}
-
-//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
-
-func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
- _, err = SendmsgN(fd, p, oob, to, flags)
- return
-}
-
-func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
- var ptr unsafe.Pointer
- var salen _Socklen
- if to != nil {
- ptr, salen, err = to.sockaddr()
- if err != nil {
- return 0, err
- }
- }
- var msg Msghdr
- msg.Name = (*byte)(unsafe.Pointer(ptr))
- msg.Namelen = uint32(salen)
- var iov Iovec
- if len(p) > 0 {
- iov.Base = (*byte)(unsafe.Pointer(&p[0]))
- iov.SetLen(len(p))
- }
- var dummy byte
- if len(oob) > 0 {
- // send at least one normal byte
- if len(p) == 0 {
- iov.Base = &dummy
- iov.SetLen(1)
- }
- msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
- msg.SetControllen(len(oob))
- }
- msg.Iov = &iov
- msg.Iovlen = 1
- if n, err = sendmsg(fd, &msg, flags); err != nil {
- return 0, err
- }
- if len(oob) > 0 && len(p) == 0 {
- n = 0
- }
- return n, nil
-}
-
-//sys kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error)
-
-func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, err error) {
- var change, event unsafe.Pointer
- if len(changes) > 0 {
- change = unsafe.Pointer(&changes[0])
- }
- if len(events) > 0 {
- event = unsafe.Pointer(&events[0])
- }
- return kevent(kq, change, len(changes), event, len(events), timeout)
-}
-
-//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
-
-// sysctlmib translates name to mib number and appends any additional args.
-func sysctlmib(name string, args ...int) ([]_C_int, error) {
- // Translate name to mib number.
- mib, err := nametomib(name)
- if err != nil {
- return nil, err
- }
-
- for _, a := range args {
- mib = append(mib, _C_int(a))
- }
-
- return mib, nil
-}
-
-func Sysctl(name string) (string, error) {
- return SysctlArgs(name)
-}
-
-func SysctlArgs(name string, args ...int) (string, error) {
- buf, err := SysctlRaw(name, args...)
- if err != nil {
- return "", err
- }
- n := len(buf)
-
- // Throw away terminating NUL.
- if n > 0 && buf[n-1] == '\x00' {
- n--
- }
- return string(buf[0:n]), nil
-}
-
-func SysctlUint32(name string) (uint32, error) {
- return SysctlUint32Args(name)
-}
-
-func SysctlUint32Args(name string, args ...int) (uint32, error) {
- mib, err := sysctlmib(name, args...)
- if err != nil {
- return 0, err
- }
-
- n := uintptr(4)
- buf := make([]byte, 4)
- if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
- return 0, err
- }
- if n != 4 {
- return 0, EIO
- }
- return *(*uint32)(unsafe.Pointer(&buf[0])), nil
-}
-
-func SysctlUint64(name string, args ...int) (uint64, error) {
- mib, err := sysctlmib(name, args...)
- if err != nil {
- return 0, err
- }
-
- n := uintptr(8)
- buf := make([]byte, 8)
- if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
- return 0, err
- }
- if n != 8 {
- return 0, EIO
- }
- return *(*uint64)(unsafe.Pointer(&buf[0])), nil
-}
-
-func SysctlRaw(name string, args ...int) ([]byte, error) {
- mib, err := sysctlmib(name, args...)
- if err != nil {
- return nil, err
- }
-
- // Find size.
- n := uintptr(0)
- if err := sysctl(mib, nil, &n, nil, 0); err != nil {
- return nil, err
- }
- if n == 0 {
- return nil, nil
- }
-
- // Read into buffer of that size.
- buf := make([]byte, n)
- if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
- return nil, err
- }
-
- // The actual call may return less than the original reported required
- // size so ensure we deal with that.
- return buf[:n], nil
-}
-
-//sys utimes(path string, timeval *[2]Timeval) (err error)
-
-func Utimes(path string, tv []Timeval) error {
- if tv == nil {
- return utimes(path, nil)
- }
- if len(tv) != 2 {
- return EINVAL
- }
- return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
-}
-
-func UtimesNano(path string, ts []Timespec) error {
- if ts == nil {
- err := utimensat(AT_FDCWD, path, nil, 0)
- if err != ENOSYS {
- return err
- }
- return utimes(path, nil)
- }
- if len(ts) != 2 {
- return EINVAL
- }
- // Darwin setattrlist can set nanosecond timestamps
- err := setattrlistTimes(path, ts, 0)
- if err != ENOSYS {
- return err
- }
- err = utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
- if err != ENOSYS {
- return err
- }
- // Not as efficient as it could be because Timespec and
- // Timeval have different types in the different OSes
- tv := [2]Timeval{
- NsecToTimeval(TimespecToNsec(ts[0])),
- NsecToTimeval(TimespecToNsec(ts[1])),
- }
- return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
-}
-
-func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error {
- if ts == nil {
- return utimensat(dirfd, path, nil, flags)
- }
- if len(ts) != 2 {
- return EINVAL
- }
- err := setattrlistTimes(path, ts, flags)
- if err != ENOSYS {
- return err
- }
- return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags)
-}
-
-//sys futimes(fd int, timeval *[2]Timeval) (err error)
-
-func Futimes(fd int, tv []Timeval) error {
- if tv == nil {
- return futimes(fd, nil)
- }
- if len(tv) != 2 {
- return EINVAL
- }
- return futimes(fd, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
-}
-
-//sys fcntl(fd int, cmd int, arg int) (val int, err error)
-
-//sys poll(fds *PollFd, nfds int, timeout int) (n int, err error)
-
-func Poll(fds []PollFd, timeout int) (n int, err error) {
- if len(fds) == 0 {
- return poll(nil, 0, timeout)
- }
- return poll(&fds[0], len(fds), timeout)
-}
-
-// TODO: wrap
-// Acct(name nil-string) (err error)
-// Gethostuuid(uuid *byte, timeout *Timespec) (err error)
-// Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, err error)
-
-var mapper = &mmapper{
- active: make(map[*byte][]byte),
- mmap: mmap,
- munmap: munmap,
-}
-
-func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
- return mapper.Mmap(fd, offset, length, prot, flags)
-}
-
-func Munmap(b []byte) (err error) {
- return mapper.Munmap(b)
-}
-
-//sys Madvise(b []byte, behav int) (err error)
-//sys Mlock(b []byte) (err error)
-//sys Mlockall(flags int) (err error)
-//sys Mprotect(b []byte, prot int) (err error)
-//sys Msync(b []byte, flags int) (err error)
-//sys Munlock(b []byte) (err error)
-//sys Munlockall() (err error)