diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_bsd.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_bsd.go | 108 |
1 files changed, 59 insertions, 49 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_bsd.go b/vendor/golang.org/x/sys/unix/syscall_bsd.go index ccb29c7..33c8b5f 100644 --- a/vendor/golang.org/x/sys/unix/syscall_bsd.go +++ b/vendor/golang.org/x/sys/unix/syscall_bsd.go @@ -34,7 +34,7 @@ func Getgroups() (gids []int, err error) { return nil, nil } - // Sanity check group count. Max is 16 on BSD. + // Sanity check group count. Max is 16 on BSD. if n < 0 || n > 1000 { return nil, EINVAL } @@ -206,7 +206,7 @@ func (sa *SockaddrDatalink) sockaddr() (unsafe.Pointer, _Socklen, error) { return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil } -func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) { +func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { switch rsa.Addr.Family { case AF_LINK: pp := (*RawSockaddrDatalink)(unsafe.Pointer(rsa)) @@ -286,7 +286,7 @@ func Accept(fd int) (nfd int, sa Sockaddr, err error) { Close(nfd) return 0, nil, ECONNABORTED } - sa, err = anyToSockaddr(&rsa) + sa, err = anyToSockaddr(fd, &rsa) if err != nil { Close(nfd) nfd = 0 @@ -306,50 +306,21 @@ func Getsockname(fd int) (sa Sockaddr, err error) { rsa.Addr.Family = AF_UNIX rsa.Addr.Len = SizeofSockaddrUnix } - return anyToSockaddr(&rsa) + return anyToSockaddr(fd, &rsa) } //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) -func GetsockoptByte(fd, level, opt int) (value byte, err error) { - var n byte - vallen := _Socklen(1) - err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen) - return n, err -} - -func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) { - vallen := _Socklen(4) - err = getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen) - return value, err -} - -func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) { - var value IPMreq - vallen := _Socklen(SizeofIPMreq) - err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) - return &value, err -} - -func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) { - var value IPv6Mreq - vallen := _Socklen(SizeofIPv6Mreq) - err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) - return &value, err -} - -func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) { - var value IPv6MTUInfo - vallen := _Socklen(SizeofIPv6MTUInfo) - err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) - return &value, err -} - -func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) { - var value ICMPv6Filter - vallen := _Socklen(SizeofICMPv6Filter) - err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) - return &value, err +// 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) @@ -385,7 +356,7 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from recvflags = int(msg.Flags) // source address is only specified if the socket is unconnected if rsa.Addr.Family != AF_UNSPEC { - from, err = anyToSockaddr(&rsa) + from, err = anyToSockaddr(fd, &rsa) } return } @@ -561,13 +532,24 @@ func Utimes(path string, tv []Timeval) error { 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) } - // TODO: The BSDs can do utimensat with SYS_UTIMENSAT but it - // isn't supported by darwin so this uses utimes instead 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{ @@ -577,6 +559,20 @@ func UtimesNano(path string, ts []Timespec) error { 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 { @@ -591,12 +587,18 @@ func Futimes(fd int, tv []Timeval) error { //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) -// Madvise(addr *byte, len int, behav int) (err error) -// Mprotect(addr *byte, len int, prot int) (err error) -// Msync(addr *byte, len int, flags int) (err error) // Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, err error) var mapper = &mmapper{ @@ -612,3 +614,11 @@ func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, e 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) |