forked from External/ergo
upgrade other x dependencies
This commit is contained in:
Shivaram Lingamneni
parent
7a82554f9d
commit
eb84103865
221 changed files with 22212 additions and 2706 deletions
96
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
96
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
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@ -13,6 +13,7 @@ package unix
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import (
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"encoding/binary"
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"strconv"
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"syscall"
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"time"
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"unsafe"
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@ -233,7 +234,7 @@ func Futimesat(dirfd int, path string, tv []Timeval) error {
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func Futimes(fd int, tv []Timeval) (err error) {
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// Believe it or not, this is the best we can do on Linux
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// (and is what glibc does).
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return Utimes("/proc/self/fd/"+itoa(fd), tv)
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return Utimes("/proc/self/fd/"+strconv.Itoa(fd), tv)
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}
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const ImplementsGetwd = true
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@ -1541,7 +1542,7 @@ func sendmsgN(fd int, iov []Iovec, oob []byte, ptr unsafe.Pointer, salen _Sockle
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var dummy byte
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var empty bool
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if len(oob) > 0 {
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empty := emptyIovecs(iov)
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empty = emptyIovecs(iov)
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if empty {
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var sockType int
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sockType, err = GetsockoptInt(fd, SOL_SOCKET, SO_TYPE)
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@ -1553,6 +1554,7 @@ func sendmsgN(fd int, iov []Iovec, oob []byte, ptr unsafe.Pointer, salen _Sockle
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var iova [1]Iovec
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iova[0].Base = &dummy
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iova[0].SetLen(1)
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iov = iova[:]
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}
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}
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msg.Control = &oob[0]
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@ -1891,17 +1893,28 @@ func PrctlRetInt(option int, arg2 uintptr, arg3 uintptr, arg4 uintptr, arg5 uint
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return int(ret), nil
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}
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// issue 1435.
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// On linux Setuid and Setgid only affects the current thread, not the process.
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// This does not match what most callers expect so we must return an error
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// here rather than letting the caller think that the call succeeded.
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func Setuid(uid int) (err error) {
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return EOPNOTSUPP
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return syscall.Setuid(uid)
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}
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func Setgid(uid int) (err error) {
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return EOPNOTSUPP
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func Setgid(gid int) (err error) {
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return syscall.Setgid(gid)
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}
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func Setreuid(ruid, euid int) (err error) {
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return syscall.Setreuid(ruid, euid)
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}
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func Setregid(rgid, egid int) (err error) {
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return syscall.Setregid(rgid, egid)
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}
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func Setresuid(ruid, euid, suid int) (err error) {
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return syscall.Setresuid(ruid, euid, suid)
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}
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func Setresgid(rgid, egid, sgid int) (err error) {
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return syscall.Setresgid(rgid, egid, sgid)
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}
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// SetfsgidRetGid sets fsgid for current thread and returns previous fsgid set.
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@ -1960,36 +1973,46 @@ func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) {
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//sys preadv2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PREADV2
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//sys pwritev2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PWRITEV2
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func bytes2iovec(bs [][]byte) []Iovec {
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iovecs := make([]Iovec, len(bs))
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for i, b := range bs {
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iovecs[i].SetLen(len(b))
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// minIovec is the size of the small initial allocation used by
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// Readv, Writev, etc.
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//
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// This small allocation gets stack allocated, which lets the
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// common use case of len(iovs) <= minIovs avoid more expensive
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// heap allocations.
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const minIovec = 8
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// appendBytes converts bs to Iovecs and appends them to vecs.
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func appendBytes(vecs []Iovec, bs [][]byte) []Iovec {
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for _, b := range bs {
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var v Iovec
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v.SetLen(len(b))
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if len(b) > 0 {
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iovecs[i].Base = &b[0]
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v.Base = &b[0]
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} else {
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iovecs[i].Base = (*byte)(unsafe.Pointer(&_zero))
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v.Base = (*byte)(unsafe.Pointer(&_zero))
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}
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vecs = append(vecs, v)
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}
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return iovecs
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return vecs
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}
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// offs2lohi splits offs into its lower and upper unsigned long. On 64-bit
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// systems, hi will always be 0. On 32-bit systems, offs will be split in half.
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// preadv/pwritev chose this calling convention so they don't need to add a
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// padding-register for alignment on ARM.
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// offs2lohi splits offs into its low and high order bits.
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func offs2lohi(offs int64) (lo, hi uintptr) {
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return uintptr(offs), uintptr(uint64(offs) >> SizeofLong)
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const longBits = SizeofLong * 8
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return uintptr(offs), uintptr(uint64(offs) >> longBits)
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}
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func Readv(fd int, iovs [][]byte) (n int, err error) {
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iovecs := bytes2iovec(iovs)
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iovecs := make([]Iovec, 0, minIovec)
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iovecs = appendBytes(iovecs, iovs)
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n, err = readv(fd, iovecs)
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readvRacedetect(iovecs, n, err)
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return n, err
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}
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func Preadv(fd int, iovs [][]byte, offset int64) (n int, err error) {
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iovecs := bytes2iovec(iovs)
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iovecs := make([]Iovec, 0, minIovec)
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iovecs = appendBytes(iovecs, iovs)
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lo, hi := offs2lohi(offset)
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n, err = preadv(fd, iovecs, lo, hi)
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readvRacedetect(iovecs, n, err)
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@ -1997,7 +2020,8 @@ func Preadv(fd int, iovs [][]byte, offset int64) (n int, err error) {
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}
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func Preadv2(fd int, iovs [][]byte, offset int64, flags int) (n int, err error) {
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iovecs := bytes2iovec(iovs)
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iovecs := make([]Iovec, 0, minIovec)
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iovecs = appendBytes(iovecs, iovs)
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lo, hi := offs2lohi(offset)
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n, err = preadv2(fd, iovecs, lo, hi, flags)
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readvRacedetect(iovecs, n, err)
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@ -2024,7 +2048,8 @@ func readvRacedetect(iovecs []Iovec, n int, err error) {
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}
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func Writev(fd int, iovs [][]byte) (n int, err error) {
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iovecs := bytes2iovec(iovs)
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iovecs := make([]Iovec, 0, minIovec)
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iovecs = appendBytes(iovecs, iovs)
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if raceenabled {
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raceReleaseMerge(unsafe.Pointer(&ioSync))
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}
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@ -2034,7 +2059,8 @@ func Writev(fd int, iovs [][]byte) (n int, err error) {
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}
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func Pwritev(fd int, iovs [][]byte, offset int64) (n int, err error) {
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iovecs := bytes2iovec(iovs)
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iovecs := make([]Iovec, 0, minIovec)
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iovecs = appendBytes(iovecs, iovs)
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if raceenabled {
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raceReleaseMerge(unsafe.Pointer(&ioSync))
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}
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@ -2045,7 +2071,8 @@ func Pwritev(fd int, iovs [][]byte, offset int64) (n int, err error) {
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}
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func Pwritev2(fd int, iovs [][]byte, offset int64, flags int) (n int, err error) {
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iovecs := bytes2iovec(iovs)
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iovecs := make([]Iovec, 0, minIovec)
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iovecs = appendBytes(iovecs, iovs)
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if raceenabled {
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raceReleaseMerge(unsafe.Pointer(&ioSync))
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}
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@ -2240,7 +2267,7 @@ func (fh *FileHandle) Bytes() []byte {
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if n == 0 {
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return nil
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}
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return (*[1 << 30]byte)(unsafe.Pointer(uintptr(unsafe.Pointer(&fh.fileHandle.Type)) + 4))[:n:n]
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return unsafe.Slice((*byte)(unsafe.Pointer(uintptr(unsafe.Pointer(&fh.fileHandle.Type))+4)), n)
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}
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// NameToHandleAt wraps the name_to_handle_at system call; it obtains
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@ -2356,6 +2383,16 @@ func Setitimer(which ItimerWhich, it Itimerval) (Itimerval, error) {
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return prev, nil
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}
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//sysnb rtSigprocmask(how int, set *Sigset_t, oldset *Sigset_t, sigsetsize uintptr) (err error) = SYS_RT_SIGPROCMASK
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func PthreadSigmask(how int, set, oldset *Sigset_t) error {
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if oldset != nil {
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// Explicitly clear in case Sigset_t is larger than _C__NSIG.
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*oldset = Sigset_t{}
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}
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return rtSigprocmask(how, set, oldset, _C__NSIG/8)
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}
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/*
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* Unimplemented
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*/
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@ -2414,7 +2451,6 @@ func Setitimer(which ItimerWhich, it Itimerval) (Itimerval, error) {
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// RestartSyscall
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// RtSigaction
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// RtSigpending
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// RtSigprocmask
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// RtSigqueueinfo
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// RtSigreturn
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// RtSigsuspend
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