diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_linux.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_linux.go | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go index cfac4a4..01c569a 100644 --- a/vendor/golang.org/x/sys/unix/syscall_linux.go +++ b/vendor/golang.org/x/sys/unix/syscall_linux.go @@ -411,6 +411,47 @@ func (sa *SockaddrHCI) sockaddr() (unsafe.Pointer, _Socklen, error) { return unsafe.Pointer(&sa.raw), SizeofSockaddrHCI, nil } +// SockaddrCAN implements the Sockaddr interface for AF_CAN type sockets. +// The RxID and TxID fields are used for transport protocol addressing in +// (CAN_TP16, CAN_TP20, CAN_MCNET, and CAN_ISOTP), they can be left with +// zero values for CAN_RAW and CAN_BCM sockets as they have no meaning. +// +// The SockaddrCAN struct must be bound to the socket file descriptor +// using Bind before the CAN socket can be used. +// +// // Read one raw CAN frame +// fd, _ := Socket(AF_CAN, SOCK_RAW, CAN_RAW) +// addr := &SockaddrCAN{Ifindex: index} +// Bind(fd, addr) +// frame := make([]byte, 16) +// Read(fd, frame) +// +// The full SocketCAN documentation can be found in the linux kernel +// archives at: https://www.kernel.org/doc/Documentation/networking/can.txt +type SockaddrCAN struct { + Ifindex int + RxID uint32 + TxID uint32 + raw RawSockaddrCAN +} + +func (sa *SockaddrCAN) sockaddr() (unsafe.Pointer, _Socklen, error) { + if sa.Ifindex < 0 || sa.Ifindex > 0x7fffffff { + return nil, 0, EINVAL + } + sa.raw.Family = AF_CAN + sa.raw.Ifindex = int32(sa.Ifindex) + rx := (*[4]byte)(unsafe.Pointer(&sa.RxID)) + for i := 0; i < 4; i++ { + sa.raw.Addr[i] = rx[i] + } + tx := (*[4]byte)(unsafe.Pointer(&sa.TxID)) + for i := 0; i < 4; i++ { + sa.raw.Addr[i+4] = tx[i] + } + return unsafe.Pointer(&sa.raw), SizeofSockaddrCAN, nil +} + func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) { switch rsa.Addr.Family { case AF_NETLINK: @@ -899,6 +940,7 @@ func Getpgrp() (pid int) { //sysnb Getppid() (ppid int) //sys Getpriority(which int, who int) (prio int, err error) //sysnb Getrusage(who int, rusage *Rusage) (err error) +//sysnb Getsid(pid int) (sid int, err error) //sysnb Gettid() (tid int) //sys Getxattr(path string, attr string, dest []byte) (sz int, err error) //sys InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error) @@ -911,7 +953,7 @@ func Getpgrp() (pid int) { //sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error) //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) //sys PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT -//sysnb prlimit(pid int, resource int, old *Rlimit, newlimit *Rlimit) (err error) = SYS_PRLIMIT64 +//sysnb prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) = SYS_PRLIMIT64 //sys Prctl(option int, arg2 uintptr, arg3 uintptr, arg4 uintptr, arg5 uintptr) (err error) //sys read(fd int, p []byte) (n int, err error) //sys Removexattr(path string, attr string) (err error) |