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 | 190 |
1 files changed, 97 insertions, 93 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go index 4520328..9908030 100644 --- a/vendor/golang.org/x/sys/unix/syscall_linux.go +++ b/vendor/golang.org/x/sys/unix/syscall_linux.go @@ -148,8 +148,6 @@ func Unlink(path string) error { //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) error { if tv == nil { err := utimensat(AT_FDCWD, path, nil, 0) @@ -207,20 +205,14 @@ func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error { return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags) } -//sys futimesat(dirfd int, path *byte, times *[2]Timeval) (err error) - func Futimesat(dirfd int, path string, tv []Timeval) error { - pathp, err := BytePtrFromString(path) - if err != nil { - return err - } if tv == nil { - return futimesat(dirfd, pathp, nil) + return futimesat(dirfd, path, nil) } if len(tv) != 2 { return EINVAL } - return futimesat(dirfd, pathp, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) + return futimesat(dirfd, path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) } func Futimes(fd int, tv []Timeval) (err error) { @@ -255,7 +247,7 @@ func Getgroups() (gids []int, err error) { return nil, nil } - // Sanity check group count. Max is 1<<16 on Linux. + // Sanity check group count. Max is 1<<16 on Linux. if n < 0 || n > 1<<20 { return nil, EINVAL } @@ -290,8 +282,8 @@ type WaitStatus uint32 // 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. At least that's the idea. -// There are various irregularities. For example, the +// is in the high bits. At least that's the idea. +// There are various irregularities. For example, the // "continued" status is 0xFFFF, distinguishing itself // from stopped via the core dump bit. @@ -413,6 +405,7 @@ func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) { return unsafe.Pointer(&sa.raw), sl, nil } +// SockaddrLinklayer implements the Sockaddr interface for AF_PACKET type sockets. type SockaddrLinklayer struct { Protocol uint16 Ifindex int @@ -439,6 +432,7 @@ func (sa *SockaddrLinklayer) sockaddr() (unsafe.Pointer, _Socklen, error) { return unsafe.Pointer(&sa.raw), SizeofSockaddrLinklayer, nil } +// SockaddrNetlink implements the Sockaddr interface for AF_NETLINK type sockets. type SockaddrNetlink struct { Family uint16 Pad uint16 @@ -455,6 +449,8 @@ func (sa *SockaddrNetlink) sockaddr() (unsafe.Pointer, _Socklen, error) { return unsafe.Pointer(&sa.raw), SizeofSockaddrNetlink, nil } +// SockaddrHCI implements the Sockaddr interface for AF_BLUETOOTH type sockets +// using the HCI protocol. type SockaddrHCI struct { Dev uint16 Channel uint16 @@ -468,6 +464,31 @@ func (sa *SockaddrHCI) sockaddr() (unsafe.Pointer, _Socklen, error) { return unsafe.Pointer(&sa.raw), SizeofSockaddrHCI, nil } +// SockaddrL2 implements the Sockaddr interface for AF_BLUETOOTH type sockets +// using the L2CAP protocol. +type SockaddrL2 struct { + PSM uint16 + CID uint16 + Addr [6]uint8 + AddrType uint8 + raw RawSockaddrL2 +} + +func (sa *SockaddrL2) sockaddr() (unsafe.Pointer, _Socklen, error) { + sa.raw.Family = AF_BLUETOOTH + psm := (*[2]byte)(unsafe.Pointer(&sa.raw.Psm)) + psm[0] = byte(sa.PSM) + psm[1] = byte(sa.PSM >> 8) + for i := 0; i < len(sa.Addr); i++ { + sa.raw.Bdaddr[i] = sa.Addr[len(sa.Addr)-1-i] + } + cid := (*[2]byte)(unsafe.Pointer(&sa.raw.Cid)) + cid[0] = byte(sa.CID) + cid[1] = byte(sa.CID >> 8) + sa.raw.Bdaddr_type = sa.AddrType + return unsafe.Pointer(&sa.raw), SizeofSockaddrL2, 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 @@ -753,19 +774,6 @@ func Getsockname(fd int) (sa Sockaddr, err error) { return anyToSockaddr(&rsa) } -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 GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) { var value IPMreqn vallen := _Socklen(SizeofIPMreqn) @@ -773,27 +781,6 @@ func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) { 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 -} - func GetsockoptUcred(fd, level, opt int) (*Ucred, error) { var value Ucred vallen := _Socklen(SizeofUcred) @@ -808,6 +795,24 @@ func GetsockoptTCPInfo(fd, level, opt int) (*TCPInfo, error) { 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 { + if err == ERANGE { + buf = make([]byte, vallen) + err = getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen) + } + if err != nil { + return "", err + } + } + return string(buf[:vallen-1]), nil +} + func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) { return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) } @@ -926,22 +931,24 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from msg.Namelen = uint32(SizeofSockaddrAny) var iov Iovec if len(p) > 0 { - iov.Base = (*byte)(unsafe.Pointer(&p[0])) + iov.Base = &p[0] iov.SetLen(len(p)) } var dummy byte if len(oob) > 0 { - var sockType int - sockType, err = GetsockoptInt(fd, SOL_SOCKET, SO_TYPE) - if err != nil { - return + if len(p) == 0 { + var sockType int + sockType, err = GetsockoptInt(fd, SOL_SOCKET, SO_TYPE) + if err != nil { + return + } + // receive at least one normal byte + if sockType != SOCK_DGRAM { + iov.Base = &dummy + iov.SetLen(1) + } } - // receive at least one normal byte - if sockType != SOCK_DGRAM && len(p) == 0 { - iov.Base = &dummy - iov.SetLen(1) - } - msg.Control = (*byte)(unsafe.Pointer(&oob[0])) + msg.Control = &oob[0] msg.SetControllen(len(oob)) } msg.Iov = &iov @@ -974,26 +981,28 @@ func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) } } var msg Msghdr - msg.Name = (*byte)(unsafe.Pointer(ptr)) + msg.Name = (*byte)(ptr) msg.Namelen = uint32(salen) var iov Iovec if len(p) > 0 { - iov.Base = (*byte)(unsafe.Pointer(&p[0])) + iov.Base = &p[0] iov.SetLen(len(p)) } var dummy byte if len(oob) > 0 { - var sockType int - sockType, err = GetsockoptInt(fd, SOL_SOCKET, SO_TYPE) - if err != nil { - return 0, err - } - // send at least one normal byte - if sockType != SOCK_DGRAM && len(p) == 0 { - iov.Base = &dummy - iov.SetLen(1) + if len(p) == 0 { + var sockType int + sockType, err = GetsockoptInt(fd, SOL_SOCKET, SO_TYPE) + if err != nil { + return 0, err + } + // send at least one normal byte + if sockType != SOCK_DGRAM { + iov.Base = &dummy + iov.SetLen(1) + } } - msg.Control = (*byte)(unsafe.Pointer(&oob[0])) + msg.Control = &oob[0] msg.SetControllen(len(oob)) } msg.Iov = &iov @@ -1023,7 +1032,7 @@ func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, err erro var buf [sizeofPtr]byte - // Leading edge. PEEKTEXT/PEEKDATA don't require aligned + // Leading edge. PEEKTEXT/PEEKDATA don't require aligned // access (PEEKUSER warns that it might), but if we don't // align our reads, we might straddle an unmapped page // boundary and not get the bytes leading up to the page @@ -1125,6 +1134,10 @@ func PtracePokeData(pid int, addr uintptr, data []byte) (count int, err error) { return ptracePoke(PTRACE_POKEDATA, PTRACE_PEEKDATA, pid, addr, data) } +func PtracePokeUser(pid int, addr uintptr, data []byte) (count int, err error) { + return ptracePoke(PTRACE_POKEUSR, PTRACE_PEEKUSR, pid, addr, data) +} + func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) { return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout))) } @@ -1168,22 +1181,6 @@ func ReadDirent(fd int, buf []byte) (n int, err error) { return Getdents(fd, buf) } -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 reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true -} - //sys mount(source string, target string, fstype string, flags uintptr, data *byte) (err error) func Mount(source string, target string, fstype string, flags uintptr, data string) (err error) { @@ -1216,12 +1213,10 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri //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 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) @@ -1259,6 +1254,7 @@ func Getpgrp() (pid int) { //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 PerfEventOpen(attr *PerfEventAttr, pid int, cpu int, groupFd int, flags int) (fd int, err error) //sys PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT //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) @@ -1289,6 +1285,7 @@ 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 Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) //sys Sync() //sys Syncfs(fd int) (err error) //sysnb Sysinfo(info *Sysinfo_t) (err error) @@ -1299,7 +1296,6 @@ func Setgid(uid int) (err error) { //sysnb Uname(buf *Utsname) (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 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 @@ -1349,6 +1345,17 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) { return int(n), nil } +//sys faccessat(dirfd int, path string, mode uint32) (err error) + +func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) { + if flags & ^(AT_SYMLINK_NOFOLLOW|AT_EACCESS) != 0 { + return EINVAL + } else if flags&(AT_SYMLINK_NOFOLLOW|AT_EACCESS) != 0 { + return EOPNOTSUPP + } + return faccessat(dirfd, path, mode) +} + /* * Unimplemented */ @@ -1406,7 +1413,6 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) { // Msgget // Msgrcv // Msgsnd -// Newfstatat // Nfsservctl // Personality // Pselect6 @@ -1427,11 +1433,9 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) { // RtSigtimedwait // SchedGetPriorityMax // SchedGetPriorityMin -// SchedGetaffinity // SchedGetparam // SchedGetscheduler // SchedRrGetInterval -// SchedSetaffinity // SchedSetparam // SchedYield // Security |