diff options
Diffstat (limited to 'vendor/github.com/mitchellh/packer/vendor/golang.org/x/sys/unix/syscall_linux.go')
| -rw-r--r-- | vendor/github.com/mitchellh/packer/vendor/golang.org/x/sys/unix/syscall_linux.go | 498 |
1 files changed, 436 insertions, 62 deletions
diff --git a/vendor/github.com/mitchellh/packer/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/github.com/mitchellh/packer/vendor/golang.org/x/sys/unix/syscall_linux.go index 5048e563..bb902257 100644 --- a/vendor/github.com/mitchellh/packer/vendor/golang.org/x/sys/unix/syscall_linux.go +++ b/vendor/github.com/mitchellh/packer/vendor/golang.org/x/sys/unix/syscall_linux.go @@ -36,10 +36,63 @@ func Creat(path string, mode uint32) (fd int, err error) { return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode) } -//sys linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) +//sys fchmodat(dirfd int, path string, mode uint32) (err error) + +func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) { + // Linux fchmodat doesn't support the flags parameter. Mimick glibc's behavior + // and check the flags. Otherwise the mode would be applied to the symlink + // destination which is not what the user expects. + if flags&^AT_SYMLINK_NOFOLLOW != 0 { + return EINVAL + } else if flags&AT_SYMLINK_NOFOLLOW != 0 { + return EOPNOTSUPP + } + return fchmodat(dirfd, path, mode) +} + +//sys ioctl(fd int, req uint, arg uintptr) (err error) + +// ioctl itself should not be exposed directly, but additional get/set +// functions for specific types are permissible. + +// IoctlSetInt performs an ioctl operation which sets an integer value +// on fd, using the specified request number. +func IoctlSetInt(fd int, req uint, value int) error { + return ioctl(fd, req, uintptr(value)) +} + +func IoctlSetWinsize(fd int, req uint, value *Winsize) error { + return ioctl(fd, req, uintptr(unsafe.Pointer(value))) +} + +func IoctlSetTermios(fd int, req uint, value *Termios) error { + return ioctl(fd, req, uintptr(unsafe.Pointer(value))) +} + +// IoctlGetInt performs an ioctl operation which gets an integer value +// from fd, using the specified request number. +func IoctlGetInt(fd int, req uint) (int, error) { + var value int + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return value, err +} + +func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { + var value Winsize + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return &value, err +} + +func IoctlGetTermios(fd int, req uint) (*Termios, error) { + var value Termios + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return &value, err +} + +//sys Linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) func Link(oldpath string, newpath string) (err error) { - return linkat(AT_FDCWD, oldpath, AT_FDCWD, newpath, 0) + return Linkat(AT_FDCWD, oldpath, AT_FDCWD, newpath, 0) } func Mkdir(path string, mode uint32) (err error) { @@ -60,10 +113,19 @@ func Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error) return openat(dirfd, path, flags|O_LARGEFILE, mode) } -//sys readlinkat(dirfd int, path string, buf []byte) (n int, err error) +//sys ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error) + +func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) { + if len(fds) == 0 { + return ppoll(nil, 0, timeout, sigmask) + } + return ppoll(&fds[0], len(fds), timeout, sigmask) +} + +//sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) func Readlink(path string, buf []byte) (n int, err error) { - return readlinkat(AT_FDCWD, path, buf) + return Readlinkat(AT_FDCWD, path, buf) } func Rename(oldpath string, newpath string) (err error) { @@ -71,34 +133,41 @@ func Rename(oldpath string, newpath string) (err error) { } func Rmdir(path string) error { - return unlinkat(AT_FDCWD, path, AT_REMOVEDIR) + return Unlinkat(AT_FDCWD, path, AT_REMOVEDIR) } -//sys symlinkat(oldpath string, newdirfd int, newpath string) (err error) +//sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) func Symlink(oldpath string, newpath string) (err error) { - return symlinkat(oldpath, AT_FDCWD, newpath) + return Symlinkat(oldpath, AT_FDCWD, newpath) } func Unlink(path string) error { - return unlinkat(AT_FDCWD, path, 0) + return Unlinkat(AT_FDCWD, path, 0) } -//sys unlinkat(dirfd int, path string, flags int) (err error) - -func Unlinkat(dirfd int, path string, flags int) error { - return unlinkat(dirfd, path, flags) -} +//sys Unlinkat(dirfd int, path string, flags int) (err error) //sys utimes(path string, times *[2]Timeval) (err error) -func Utimes(path string, tv []Timeval) (err error) { +func Utimes(path string, tv []Timeval) error { if tv == nil { + err := utimensat(AT_FDCWD, path, nil, 0) + if err != ENOSYS { + return err + } return utimes(path, nil) } if len(tv) != 2 { return EINVAL } + var ts [2]Timespec + ts[0] = NsecToTimespec(TimevalToNsec(tv[0])) + ts[1] = NsecToTimespec(TimevalToNsec(tv[1])) + err := utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) + if err != ENOSYS { + return err + } return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) } @@ -123,8 +192,7 @@ func UtimesNano(path string, ts []Timespec) error { // in 2.6.22, Released, 8 July 2007) then fall back to utimes var tv [2]Timeval for i := 0; i < 2; i++ { - tv[i].Sec = ts[i].Sec - tv[i].Usec = ts[i].Nsec / 1000 + tv[i] = NsecToTimeval(TimespecToNsec(ts[i])) } return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) } @@ -284,10 +352,14 @@ func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, return } -func Mkfifo(path string, mode uint32) (err error) { +func Mkfifo(path string, mode uint32) error { return Mknod(path, mode|S_IFIFO, 0) } +func Mkfifoat(dirfd int, path string, mode uint32) error { + return Mknodat(dirfd, path, mode|S_IFIFO, 0) +} + func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) { if sa.Port < 0 || sa.Port > 0xFFFF { return nil, 0, EINVAL @@ -383,6 +455,181 @@ func (sa *SockaddrNetlink) sockaddr() (unsafe.Pointer, _Socklen, error) { return unsafe.Pointer(&sa.raw), SizeofSockaddrNetlink, nil } +type SockaddrHCI struct { + Dev uint16 + Channel uint16 + raw RawSockaddrHCI +} + +func (sa *SockaddrHCI) sockaddr() (unsafe.Pointer, _Socklen, error) { + sa.raw.Family = AF_BLUETOOTH + sa.raw.Dev = sa.Dev + sa.raw.Channel = sa.Channel + 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 +} + +// SockaddrALG implements the Sockaddr interface for AF_ALG type sockets. +// SockaddrALG enables userspace access to the Linux kernel's cryptography +// subsystem. The Type and Name fields specify which type of hash or cipher +// should be used with a given socket. +// +// To create a file descriptor that provides access to a hash or cipher, both +// Bind and Accept must be used. Once the setup process is complete, input +// data can be written to the socket, processed by the kernel, and then read +// back as hash output or ciphertext. +// +// Here is an example of using an AF_ALG socket with SHA1 hashing. +// The initial socket setup process is as follows: +// +// // Open a socket to perform SHA1 hashing. +// fd, _ := unix.Socket(unix.AF_ALG, unix.SOCK_SEQPACKET, 0) +// addr := &unix.SockaddrALG{Type: "hash", Name: "sha1"} +// unix.Bind(fd, addr) +// // Note: unix.Accept does not work at this time; must invoke accept() +// // manually using unix.Syscall. +// hashfd, _, _ := unix.Syscall(unix.SYS_ACCEPT, uintptr(fd), 0, 0) +// +// Once a file descriptor has been returned from Accept, it may be used to +// perform SHA1 hashing. The descriptor is not safe for concurrent use, but +// may be re-used repeatedly with subsequent Write and Read operations. +// +// When hashing a small byte slice or string, a single Write and Read may +// be used: +// +// // Assume hashfd is already configured using the setup process. +// hash := os.NewFile(hashfd, "sha1") +// // Hash an input string and read the results. Each Write discards +// // previous hash state. Read always reads the current state. +// b := make([]byte, 20) +// for i := 0; i < 2; i++ { +// io.WriteString(hash, "Hello, world.") +// hash.Read(b) +// fmt.Println(hex.EncodeToString(b)) +// } +// // Output: +// // 2ae01472317d1935a84797ec1983ae243fc6aa28 +// // 2ae01472317d1935a84797ec1983ae243fc6aa28 +// +// For hashing larger byte slices, or byte streams such as those read from +// a file or socket, use Sendto with MSG_MORE to instruct the kernel to update +// the hash digest instead of creating a new one for a given chunk and finalizing it. +// +// // Assume hashfd and addr are already configured using the setup process. +// hash := os.NewFile(hashfd, "sha1") +// // Hash the contents of a file. +// f, _ := os.Open("/tmp/linux-4.10-rc7.tar.xz") +// b := make([]byte, 4096) +// for { +// n, err := f.Read(b) +// if err == io.EOF { +// break +// } +// unix.Sendto(hashfd, b[:n], unix.MSG_MORE, addr) +// } +// hash.Read(b) +// fmt.Println(hex.EncodeToString(b)) +// // Output: 85cdcad0c06eef66f805ecce353bec9accbeecc5 +// +// For more information, see: http://www.chronox.de/crypto-API/crypto/userspace-if.html. +type SockaddrALG struct { + Type string + Name string + Feature uint32 + Mask uint32 + raw RawSockaddrALG +} + +func (sa *SockaddrALG) sockaddr() (unsafe.Pointer, _Socklen, error) { + // Leave room for NUL byte terminator. + if len(sa.Type) > 13 { + return nil, 0, EINVAL + } + if len(sa.Name) > 63 { + return nil, 0, EINVAL + } + + sa.raw.Family = AF_ALG + sa.raw.Feat = sa.Feature + sa.raw.Mask = sa.Mask + + typ, err := ByteSliceFromString(sa.Type) + if err != nil { + return nil, 0, err + } + name, err := ByteSliceFromString(sa.Name) + if err != nil { + return nil, 0, err + } + + copy(sa.raw.Type[:], typ) + copy(sa.raw.Name[:], name) + + return unsafe.Pointer(&sa.raw), SizeofSockaddrALG, nil +} + +// SockaddrVM implements the Sockaddr interface for AF_VSOCK type sockets. +// SockaddrVM provides access to Linux VM sockets: a mechanism that enables +// bidirectional communication between a hypervisor and its guest virtual +// machines. +type SockaddrVM struct { + // CID and Port specify a context ID and port address for a VM socket. + // Guests have a unique CID, and hosts may have a well-known CID of: + // - VMADDR_CID_HYPERVISOR: refers to the hypervisor process. + // - VMADDR_CID_HOST: refers to other processes on the host. + CID uint32 + Port uint32 + raw RawSockaddrVM +} + +func (sa *SockaddrVM) sockaddr() (unsafe.Pointer, _Socklen, error) { + sa.raw.Family = AF_VSOCK + sa.raw.Port = sa.Port + sa.raw.Cid = sa.CID + + return unsafe.Pointer(&sa.raw), SizeofSockaddrVM, nil +} + func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) { switch rsa.Addr.Family { case AF_NETLINK: @@ -452,6 +699,14 @@ func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) { sa.Addr[i] = pp.Addr[i] } return sa, nil + + case AF_VSOCK: + pp := (*RawSockaddrVM)(unsafe.Pointer(rsa)) + sa := &SockaddrVM{ + CID: pp.Cid, + Port: pp.Port, + } + return sa, nil } return nil, EAFNOSUPPORT } @@ -546,10 +801,124 @@ func GetsockoptUcred(fd, level, opt int) (*Ucred, error) { return &value, err } +func GetsockoptTCPInfo(fd, level, opt int) (*TCPInfo, error) { + var value TCPInfo + vallen := _Socklen(SizeofTCPInfo) + err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, err +} + func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) { return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) } +// Keyctl Commands (http://man7.org/linux/man-pages/man2/keyctl.2.html) + +// KeyctlInt calls keyctl commands in which each argument is an int. +// These commands are KEYCTL_REVOKE, KEYCTL_CHOWN, KEYCTL_CLEAR, KEYCTL_LINK, +// KEYCTL_UNLINK, KEYCTL_NEGATE, KEYCTL_SET_REQKEY_KEYRING, KEYCTL_SET_TIMEOUT, +// KEYCTL_ASSUME_AUTHORITY, KEYCTL_SESSION_TO_PARENT, KEYCTL_REJECT, +// KEYCTL_INVALIDATE, and KEYCTL_GET_PERSISTENT. +//sys KeyctlInt(cmd int, arg2 int, arg3 int, arg4 int, arg5 int) (ret int, err error) = SYS_KEYCTL + +// KeyctlBuffer calls keyctl commands in which the third and fourth +// arguments are a buffer and its length, respectively. +// These commands are KEYCTL_UPDATE, KEYCTL_READ, and KEYCTL_INSTANTIATE. +//sys KeyctlBuffer(cmd int, arg2 int, buf []byte, arg5 int) (ret int, err error) = SYS_KEYCTL + +// KeyctlString calls keyctl commands which return a string. +// These commands are KEYCTL_DESCRIBE and KEYCTL_GET_SECURITY. +func KeyctlString(cmd int, id int) (string, error) { + // We must loop as the string data may change in between the syscalls. + // We could allocate a large buffer here to reduce the chance that the + // syscall needs to be called twice; however, this is unnecessary as + // the performance loss is negligible. + var buffer []byte + for { + // Try to fill the buffer with data + length, err := KeyctlBuffer(cmd, id, buffer, 0) + if err != nil { + return "", err + } + + // Check if the data was written + if length <= len(buffer) { + // Exclude the null terminator + return string(buffer[:length-1]), nil + } + + // Make a bigger buffer if needed + buffer = make([]byte, length) + } +} + +// Keyctl commands with special signatures. + +// KeyctlGetKeyringID implements the KEYCTL_GET_KEYRING_ID command. +// See the full documentation at: +// http://man7.org/linux/man-pages/man3/keyctl_get_keyring_ID.3.html +func KeyctlGetKeyringID(id int, create bool) (ringid int, err error) { + createInt := 0 + if create { + createInt = 1 + } + return KeyctlInt(KEYCTL_GET_KEYRING_ID, id, createInt, 0, 0) +} + +// KeyctlSetperm implements the KEYCTL_SETPERM command. The perm value is the +// key handle permission mask as described in the "keyctl setperm" section of +// http://man7.org/linux/man-pages/man1/keyctl.1.html. +// See the full documentation at: +// http://man7.org/linux/man-pages/man3/keyctl_setperm.3.html +func KeyctlSetperm(id int, perm uint32) error { + _, err := KeyctlInt(KEYCTL_SETPERM, id, int(perm), 0, 0) + return err +} + +//sys keyctlJoin(cmd int, arg2 string) (ret int, err error) = SYS_KEYCTL + +// KeyctlJoinSessionKeyring implements the KEYCTL_JOIN_SESSION_KEYRING command. +// See the full documentation at: +// http://man7.org/linux/man-pages/man3/keyctl_join_session_keyring.3.html +func KeyctlJoinSessionKeyring(name string) (ringid int, err error) { + return keyctlJoin(KEYCTL_JOIN_SESSION_KEYRING, name) +} + +//sys keyctlSearch(cmd int, arg2 int, arg3 string, arg4 string, arg5 int) (ret int, err error) = SYS_KEYCTL + +// KeyctlSearch implements the KEYCTL_SEARCH command. +// See the full documentation at: +// http://man7.org/linux/man-pages/man3/keyctl_search.3.html +func KeyctlSearch(ringid int, keyType, description string, destRingid int) (id int, err error) { + return keyctlSearch(KEYCTL_SEARCH, ringid, keyType, description, destRingid) +} + +//sys keyctlIOV(cmd int, arg2 int, payload []Iovec, arg5 int) (err error) = SYS_KEYCTL + +// KeyctlInstantiateIOV implements the KEYCTL_INSTANTIATE_IOV command. This +// command is similar to KEYCTL_INSTANTIATE, except that the payload is a slice +// of Iovec (each of which represents a buffer) instead of a single buffer. +// See the full documentation at: +// http://man7.org/linux/man-pages/man3/keyctl_instantiate_iov.3.html +func KeyctlInstantiateIOV(id int, payload []Iovec, ringid int) error { + return keyctlIOV(KEYCTL_INSTANTIATE_IOV, id, payload, ringid) +} + +//sys keyctlDH(cmd int, arg2 *KeyctlDHParams, buf []byte) (ret int, err error) = SYS_KEYCTL + +// KeyctlDHCompute implements the KEYCTL_DH_COMPUTE command. This command +// computes a Diffie-Hellman shared secret based on the provide params. The +// secret is written to the provided buffer and the returned size is the number +// of bytes written (returning an error if there is insufficient space in the +// buffer). If a nil buffer is passed in, this function returns the minimum +// buffer length needed to store the appropriate data. Note that this differs +// from KEYCTL_READ's behavior which always returns the requested payload size. +// See the full documentation at: +// http://man7.org/linux/man-pages/man3/keyctl_dh_compute.3.html +func KeyctlDHCompute(params *KeyctlDHParams, buffer []byte) (size int, err error) { + return keyctlDH(KEYCTL_DH_COMPUTE, params, buffer) +} + func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) { var msg Msghdr var rsa RawSockaddrAny @@ -683,6 +1052,10 @@ func PtracePeekData(pid int, addr uintptr, out []byte) (count int, err error) { return ptracePeek(PTRACE_PEEKDATA, pid, addr, out) } +func PtracePeekUser(pid int, addr uintptr, out []byte) (count int, err error) { + return ptracePeek(PTRACE_PEEKUSR, pid, addr, out) +} + func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (count int, err error) { // As for ptracePeek, we need to align our accesses to deal // with the possibility of straddling an invalid page. @@ -781,38 +1154,24 @@ func Reboot(cmd int) (err error) { return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "") } -func clen(n []byte) int { - for i := 0; i < len(n); i++ { - if n[i] == 0 { - return i - } - } - return len(n) -} - func ReadDirent(fd int, buf []byte) (n int, err error) { return Getdents(fd, buf) } -func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { - origlen := len(buf) - count = 0 - for max != 0 && len(buf) > 0 { - dirent := (*Dirent)(unsafe.Pointer(&buf[0])) - buf = buf[dirent.Reclen:] - if dirent.Ino == 0 { // File absent in directory. - continue - } - bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0])) - var name = string(bytes[0:clen(bytes[:])]) - if name == "." || name == ".." { // Useless names - continue - } - max-- - count++ - names = append(names, name) +func direntIno(buf []byte) (uint64, bool) { + return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino)) +} + +func direntReclen(buf []byte) (uint64, bool) { + return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) +} + +func direntNamlen(buf []byte) (uint64, bool) { + reclen, ok := direntReclen(buf) + if !ok { + return 0, false } - return origlen - len(buf), count, names + return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true } //sys mount(source string, target string, fstype string, flags uintptr, data *byte) (err error) @@ -838,23 +1197,24 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri * Direct access */ //sys Acct(path string) (err error) +//sys AddKey(keyType string, description string, payload []byte, ringid int) (id int, err error) //sys Adjtimex(buf *Timex) (state int, err error) //sys Chdir(path string) (err error) //sys Chroot(path string) (err error) //sys ClockGettime(clockid int32, time *Timespec) (err error) //sys Close(fd int) (err error) +//sys CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) //sys Dup(oldfd int) (fd int, err error) //sys Dup3(oldfd int, newfd int, flags int) (err error) //sysnb EpollCreate(size int) (fd int, err error) //sysnb EpollCreate1(flag int) (fd int, err error) //sysnb EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error) -//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) +//sys Eventfd(initval uint, flags int) (fd int, err error) = SYS_EVENTFD2 //sys Exit(code int) = SYS_EXIT_GROUP //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) //sys Fallocate(fd int, mode uint32, off int64, len int64) (err error) //sys Fchdir(fd int) (err error) //sys Fchmod(fd int, mode uint32) (err error) -//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) //sys fcntl(fd int, cmd int, arg int) (val int, err error) //sys Fdatasync(fd int) (err error) @@ -871,7 +1231,9 @@ func Getpgrp() (pid int) { //sysnb Getpid() (pid int) //sysnb Getppid() (ppid int) //sys Getpriority(which int, who int) (prio int, err error) +//sys Getrandom(buf []byte, flags int) (n 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) @@ -879,22 +1241,27 @@ func Getpgrp() (pid int) { //sysnb InotifyRmWatch(fd int, watchdesc uint32) (success int, err error) //sysnb Kill(pid int, sig syscall.Signal) (err error) //sys Klogctl(typ int, buf []byte) (n int, err error) = SYS_SYSLOG +//sys Lgetxattr(path string, attr string, dest []byte) (sz int, err error) //sys Listxattr(path string, dest []byte) (sz int, err error) +//sys Llistxattr(path string, dest []byte) (sz int, err error) +//sys Lremovexattr(path string, attr string) (err error) +//sys Lsetxattr(path string, attr string, data []byte, flags int) (err error) //sys Mkdirat(dirfd int, path string, mode uint32) (err error) //sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error) //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) -//sys Pause() (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) //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) +//sys RequestKey(keyType string, description string, callback string, destRingid int) (id int, err error) //sys Setdomainname(p []byte) (err error) //sys Sethostname(p []byte) (err error) //sysnb Setpgid(pid int, pgid int) (err error) //sysnb Setsid() (pid int, err error) //sysnb Settimeofday(tv *Timeval) (err error) +//sys Setns(fd int, nstype int) (err error) // issue 1435. // On linux Setuid and Setgid only affects the current thread, not the process. @@ -912,6 +1279,7 @@ func Setgid(uid int) (err error) { //sys Setpriority(which int, who int, prio int) (err error) //sys Setxattr(path string, attr string, data []byte, flags int) (err error) //sys Sync() +//sys Syncfs(fd int) (err error) //sysnb Sysinfo(info *Sysinfo_t) (err error) //sys Tee(rfd int, wfd int, len int, flags int) (n int64, err error) //sysnb Tgkill(tgid int, tid int, sig syscall.Signal) (err error) @@ -921,7 +1289,6 @@ func Setgid(uid int) (err error) { //sys Unmount(target string, flags int) (err error) = SYS_UMOUNT2 //sys Unshare(flags int) (err error) //sys Ustat(dev int, ubuf *Ustat_t) (err error) -//sys Utime(path string, buf *Utimbuf) (err error) //sys write(fd int, p []byte) (n int, err error) //sys exitThread(code int) (err error) = SYS_EXIT //sys readlen(fd int, p *byte, np int) (n int, err error) = SYS_READ @@ -949,12 +1316,31 @@ func Munmap(b []byte) (err error) { //sys Mlock(b []byte) (err error) //sys Munlock(b []byte) (err error) //sys Mlockall(flags int) (err error) +//sys Msync(b []byte, flags int) (err error) //sys Munlockall() (err error) +// Vmsplice splices user pages from a slice of Iovecs into a pipe specified by fd, +// using the specified flags. +func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) { + n, _, errno := Syscall6( + SYS_VMSPLICE, + uintptr(fd), + uintptr(unsafe.Pointer(&iovs[0])), + uintptr(len(iovs)), + uintptr(flags), + 0, + 0, + ) + if errno != 0 { + return 0, syscall.Errno(errno) + } + + return int(n), nil +} + /* * Unimplemented */ -// AddKey // AfsSyscall // Alarm // ArchPrctl @@ -970,7 +1356,6 @@ func Munmap(b []byte) (err error) { // EpollCtlOld // EpollPwait // EpollWaitOld -// Eventfd // Execve // Fgetxattr // Flistxattr @@ -989,16 +1374,10 @@ func Munmap(b []byte) (err error) { // IoGetevents // IoSetup // IoSubmit -// Ioctl // IoprioGet // IoprioSet // KexecLoad -// Keyctl -// Lgetxattr -// Llistxattr // LookupDcookie -// Lremovexattr -// Lsetxattr // Mbind // MigratePages // Mincore @@ -1017,12 +1396,9 @@ func Munmap(b []byte) (err error) { // Msgget // Msgrcv // Msgsnd -// Msync // Newfstatat // Nfsservctl // Personality -// Poll -// Ppoll // Pselect6 // Ptrace // Putpmsg @@ -1031,7 +1407,6 @@ func Munmap(b []byte) (err error) { // Readahead // Readv // RemapFilePages -// RequestKey // RestartSyscall // RtSigaction // RtSigpending @@ -1080,7 +1455,6 @@ func Munmap(b []byte) (err error) { // Utimensat // Vfork // Vhangup -// Vmsplice // Vserver // Waitid // _Sysctl |