Merge pull request #43056 from ydb-platform/merge-rightlib-260610-0127HEADmain

1 files changed, 0 insertions, 524 deletions

diff --git a/contrib/go/_std_1.25/src/syscall/syscall_unix.go b/contrib/go/_std_1.25/src/syscall/syscall_unix.go
deleted file mode 100644
index ecd5952975a..00000000000
--- a/contrib/go/_std_1.25/src/syscall/syscall_unix.go
+++ /dev/null
@@ -1,524 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build unix
-
-package syscall
-
-import (
-	errorspkg "errors"
-	"internal/asan"
-	"internal/bytealg"
-	"internal/itoa"
-	"internal/msan"
-	"internal/oserror"
-	"internal/race"
-	"runtime"
-	"sync"
-	"unsafe"
-)
-
-var (
-	Stdin  = 0
-	Stdout = 1
-	Stderr = 2
-)
-
-const (
-	darwin64Bit = (runtime.GOOS == "darwin" || runtime.GOOS == "ios") && sizeofPtr == 8
-	netbsd32Bit = runtime.GOOS == "netbsd" && sizeofPtr == 4
-)
-
-// clen returns the index of the first NULL byte in n or len(n) if n contains no NULL byte.
-func clen(n []byte) int {
-	if i := bytealg.IndexByte(n, 0); i != -1 {
-		return i
-	}
-	return len(n)
-}
-
-// Mmap manager, for use by operating system-specific implementations.
-
-type mmapper struct {
-	sync.Mutex
-	active map[*byte][]byte // active mappings; key is last byte in mapping
-	mmap   func(addr, length uintptr, prot, flags, fd int, offset int64) (uintptr, error)
-	munmap func(addr uintptr, length uintptr) error
-}
-
-func (m *mmapper) Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
-	if length <= 0 {
-		return nil, EINVAL
-	}
-
-	// Map the requested memory.
-	addr, errno := m.mmap(0, uintptr(length), prot, flags, fd, offset)
-	if errno != nil {
-		return nil, errno
-	}
-
-	// Use unsafe to turn addr into a []byte.
-	b := unsafe.Slice((*byte)(unsafe.Pointer(addr)), length)
-
-	// Register mapping in m and return it.
-	p := &b[cap(b)-1]
-	m.Lock()
-	defer m.Unlock()
-	m.active[p] = b
-	return b, nil
-}
-
-func (m *mmapper) Munmap(data []byte) (err error) {
-	if len(data) == 0 || len(data) != cap(data) {
-		return EINVAL
-	}
-
-	// Find the base of the mapping.
-	p := &data[cap(data)-1]
-	m.Lock()
-	defer m.Unlock()
-	b := m.active[p]
-	if b == nil || &b[0] != &data[0] {
-		return EINVAL
-	}
-
-	// Unmap the memory and update m.
-	if errno := m.munmap(uintptr(unsafe.Pointer(&b[0])), uintptr(len(b))); errno != nil {
-		return errno
-	}
-	delete(m.active, p)
-	return nil
-}
-
-// An Errno is an unsigned number describing an error condition.
-// It implements the error interface. The zero Errno is by convention
-// a non-error, so code to convert from Errno to error should use:
-//
-//	err = nil
-//	if errno != 0 {
-//		err = errno
-//	}
-//
-// Errno values can be tested against error values using [errors.Is].
-// For example:
-//
-//	_, _, err := syscall.Syscall(...)
-//	if errors.Is(err, fs.ErrNotExist) ...
-type Errno uintptr
-
-func (e Errno) Error() string {
-	if 0 <= int(e) && int(e) < len(errors) {
-		s := errors[e]
-		if s != "" {
-			return s
-		}
-	}
-	return "errno " + itoa.Itoa(int(e))
-}
-
-func (e Errno) Is(target error) bool {
-	switch target {
-	case oserror.ErrPermission:
-		return e == EACCES || e == EPERM
-	case oserror.ErrExist:
-		return e == EEXIST || e == ENOTEMPTY
-	case oserror.ErrNotExist:
-		return e == ENOENT
-	case errorspkg.ErrUnsupported:
-		return e == ENOSYS || e == ENOTSUP || e == EOPNOTSUPP
-	}
-	return false
-}
-
-func (e Errno) Temporary() bool {
-	return e == EINTR || e == EMFILE || e == ENFILE || e.Timeout()
-}
-
-func (e Errno) Timeout() bool {
-	return e == EAGAIN || e == EWOULDBLOCK || e == ETIMEDOUT
-}
-
-// Do the interface allocations only once for common
-// Errno values.
-var (
-	errEAGAIN error = EAGAIN
-	errEINVAL error = EINVAL
-	errENOENT error = ENOENT
-)
-
-// errnoErr returns common boxed Errno values, to prevent
-// allocations at runtime.
-func errnoErr(e Errno) error {
-	switch e {
-	case 0:
-		return nil
-	case EAGAIN:
-		return errEAGAIN
-	case EINVAL:
-		return errEINVAL
-	case ENOENT:
-		return errENOENT
-	}
-	return e
-}
-
-// A Signal is a number describing a process signal.
-// It implements the [os.Signal] interface.
-type Signal int
-
-func (s Signal) Signal() {}
-
-func (s Signal) String() string {
-	if 0 <= s && int(s) < len(signals) {
-		str := signals[s]
-		if str != "" {
-			return str
-		}
-	}
-	return "signal " + itoa.Itoa(int(s))
-}
-
-func Read(fd int, p []byte) (n int, err error) {
-	n, err = read(fd, p)
-	if race.Enabled {
-		if n > 0 {
-			race.WriteRange(unsafe.Pointer(&p[0]), n)
-		}
-		if err == nil {
-			race.Acquire(unsafe.Pointer(&ioSync))
-		}
-	}
-	if msan.Enabled && n > 0 {
-		msan.Write(unsafe.Pointer(&p[0]), uintptr(n))
-	}
-	if asan.Enabled && n > 0 {
-		asan.Write(unsafe.Pointer(&p[0]), uintptr(n))
-	}
-	return
-}
-
-func Write(fd int, p []byte) (n int, err error) {
-	if race.Enabled {
-		race.ReleaseMerge(unsafe.Pointer(&ioSync))
-	}
-	if faketime && (fd == 1 || fd == 2) {
-		n = faketimeWrite(fd, p)
-		if n < 0 {
-			n, err = 0, errnoErr(Errno(-n))
-		}
-	} else {
-		n, err = write(fd, p)
-	}
-	if race.Enabled && n > 0 {
-		race.ReadRange(unsafe.Pointer(&p[0]), n)
-	}
-	if msan.Enabled && n > 0 {
-		msan.Read(unsafe.Pointer(&p[0]), uintptr(n))
-	}
-	if asan.Enabled && n > 0 {
-		asan.Read(unsafe.Pointer(&p[0]), uintptr(n))
-	}
-	return
-}
-
-func Pread(fd int, p []byte, offset int64) (n int, err error) {
-	n, err = pread(fd, p, offset)
-	if race.Enabled {
-		if n > 0 {
-			race.WriteRange(unsafe.Pointer(&p[0]), n)
-		}
-		if err == nil {
-			race.Acquire(unsafe.Pointer(&ioSync))
-		}
-	}
-	if msan.Enabled && n > 0 {
-		msan.Write(unsafe.Pointer(&p[0]), uintptr(n))
-	}
-	if asan.Enabled && n > 0 {
-		asan.Write(unsafe.Pointer(&p[0]), uintptr(n))
-	}
-	return
-}
-
-func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
-	if race.Enabled {
-		race.ReleaseMerge(unsafe.Pointer(&ioSync))
-	}
-	n, err = pwrite(fd, p, offset)
-	if race.Enabled && n > 0 {
-		race.ReadRange(unsafe.Pointer(&p[0]), n)
-	}
-	if msan.Enabled && n > 0 {
-		msan.Read(unsafe.Pointer(&p[0]), uintptr(n))
-	}
-	if asan.Enabled && n > 0 {
-		asan.Read(unsafe.Pointer(&p[0]), uintptr(n))
-	}
-	return
-}
-
-// For testing: clients can set this flag to force
-// creation of IPv6 sockets to return [EAFNOSUPPORT].
-var SocketDisableIPv6 bool
-
-type Sockaddr interface {
-	sockaddr() (ptr unsafe.Pointer, len _Socklen, err error) // lowercase; only we can define Sockaddrs
-}
-
-type SockaddrInet4 struct {
-	Port int
-	Addr [4]byte
-	raw  RawSockaddrInet4
-}
-
-type SockaddrInet6 struct {
-	Port   int
-	ZoneId uint32
-	Addr   [16]byte
-	raw    RawSockaddrInet6
-}
-
-type SockaddrUnix struct {
-	Name string
-	raw  RawSockaddrUnix
-}
-
-func Bind(fd int, sa Sockaddr) (err error) {
-	ptr, n, err := sa.sockaddr()
-	if err != nil {
-		return err
-	}
-	return bind(fd, ptr, n)
-}
-
-func Connect(fd int, sa Sockaddr) (err error) {
-	ptr, n, err := sa.sockaddr()
-	if err != nil {
-		return err
-	}
-	return connect(fd, ptr, n)
-}
-
-func Getpeername(fd int) (sa Sockaddr, err error) {
-	var rsa RawSockaddrAny
-	var len _Socklen = SizeofSockaddrAny
-	if err = getpeername(fd, &rsa, &len); err != nil {
-		return
-	}
-	return anyToSockaddr(&rsa)
-}
-
-func GetsockoptInt(fd, level, opt int) (value int, err error) {
-	var n int32
-	vallen := _Socklen(4)
-	err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen)
-	return int(n), err
-}
-
-func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) {
-	var rsa RawSockaddrAny
-	var len _Socklen = SizeofSockaddrAny
-	if n, err = recvfrom(fd, p, flags, &rsa, &len); err != nil {
-		return
-	}
-	if rsa.Addr.Family != AF_UNSPEC {
-		from, err = anyToSockaddr(&rsa)
-	}
-	return
-}
-
-func recvfromInet4(fd int, p []byte, flags int, from *SockaddrInet4) (n int, err error) {
-	var rsa RawSockaddrAny
-	var socklen _Socklen = SizeofSockaddrAny
-	if n, err = recvfrom(fd, p, flags, &rsa, &socklen); err != nil {
-		return
-	}
-	pp := (*RawSockaddrInet4)(unsafe.Pointer(&rsa))
-	port := (*[2]byte)(unsafe.Pointer(&pp.Port))
-	from.Port = int(port[0])<<8 + int(port[1])
-	from.Addr = pp.Addr
-	return
-}
-
-func recvfromInet6(fd int, p []byte, flags int, from *SockaddrInet6) (n int, err error) {
-	var rsa RawSockaddrAny
-	var socklen _Socklen = SizeofSockaddrAny
-	if n, err = recvfrom(fd, p, flags, &rsa, &socklen); err != nil {
-		return
-	}
-	pp := (*RawSockaddrInet6)(unsafe.Pointer(&rsa))
-	port := (*[2]byte)(unsafe.Pointer(&pp.Port))
-	from.Port = int(port[0])<<8 + int(port[1])
-	from.ZoneId = pp.Scope_id
-	from.Addr = pp.Addr
-	return
-}
-
-func recvmsgInet4(fd int, p, oob []byte, flags int, from *SockaddrInet4) (n, oobn int, recvflags int, err error) {
-	var rsa RawSockaddrAny
-	n, oobn, recvflags, err = recvmsgRaw(fd, p, oob, flags, &rsa)
-	if err != nil {
-		return
-	}
-	pp := (*RawSockaddrInet4)(unsafe.Pointer(&rsa))
-	port := (*[2]byte)(unsafe.Pointer(&pp.Port))
-	from.Port = int(port[0])<<8 + int(port[1])
-	from.Addr = pp.Addr
-	return
-}
-
-func recvmsgInet6(fd int, p, oob []byte, flags int, from *SockaddrInet6) (n, oobn int, recvflags int, err error) {
-	var rsa RawSockaddrAny
-	n, oobn, recvflags, err = recvmsgRaw(fd, p, oob, flags, &rsa)
-	if err != nil {
-		return
-	}
-	pp := (*RawSockaddrInet6)(unsafe.Pointer(&rsa))
-	port := (*[2]byte)(unsafe.Pointer(&pp.Port))
-	from.Port = int(port[0])<<8 + int(port[1])
-	from.ZoneId = pp.Scope_id
-	from.Addr = pp.Addr
-	return
-}
-
-func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
-	var rsa RawSockaddrAny
-	n, oobn, recvflags, err = recvmsgRaw(fd, p, oob, flags, &rsa)
-	// source address is only specified if the socket is unconnected
-	if rsa.Addr.Family != AF_UNSPEC {
-		from, err = anyToSockaddr(&rsa)
-	}
-	return
-}
-
-func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
-	_, err = SendmsgN(fd, p, oob, to, flags)
-	return
-}
-
-func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
-	var ptr unsafe.Pointer
-	var salen _Socklen
-	if to != nil {
-		ptr, salen, err = to.sockaddr()
-		if err != nil {
-			return 0, err
-		}
-	}
-	return sendmsgN(fd, p, oob, ptr, salen, flags)
-}
-
-func sendmsgNInet4(fd int, p, oob []byte, to *SockaddrInet4, flags int) (n int, err error) {
-	ptr, salen, err := to.sockaddr()
-	if err != nil {
-		return 0, err
-	}
-	return sendmsgN(fd, p, oob, ptr, salen, flags)
-}
-
-func sendmsgNInet6(fd int, p, oob []byte, to *SockaddrInet6, flags int) (n int, err error) {
-	ptr, salen, err := to.sockaddr()
-	if err != nil {
-		return 0, err
-	}
-	return sendmsgN(fd, p, oob, ptr, salen, flags)
-}
-
-func sendtoInet4(fd int, p []byte, flags int, to *SockaddrInet4) (err error) {
-	ptr, n, err := to.sockaddr()
-	if err != nil {
-		return err
-	}
-	return sendto(fd, p, flags, ptr, n)
-}
-
-func sendtoInet6(fd int, p []byte, flags int, to *SockaddrInet6) (err error) {
-	ptr, n, err := to.sockaddr()
-	if err != nil {
-		return err
-	}
-	return sendto(fd, p, flags, ptr, n)
-}
-
-func Sendto(fd int, p []byte, flags int, to Sockaddr) (err error) {
-	var (
-		ptr   unsafe.Pointer
-		salen _Socklen
-	)
-	if to != nil {
-		ptr, salen, err = to.sockaddr()
-		if err != nil {
-			return err
-		}
-	}
-	return sendto(fd, p, flags, ptr, salen)
-}
-
-func SetsockoptByte(fd, level, opt int, value byte) (err error) {
-	return setsockopt(fd, level, opt, unsafe.Pointer(&value), 1)
-}
-
-func SetsockoptInt(fd, level, opt int, value int) (err error) {
-	var n = int32(value)
-	return setsockopt(fd, level, opt, unsafe.Pointer(&n), 4)
-}
-
-func SetsockoptInet4Addr(fd, level, opt int, value [4]byte) (err error) {
-	return setsockopt(fd, level, opt, unsafe.Pointer(&value[0]), 4)
-}
-
-func SetsockoptIPMreq(fd, level, opt int, mreq *IPMreq) (err error) {
-	return setsockopt(fd, level, opt, unsafe.Pointer(mreq), SizeofIPMreq)
-}
-
-func SetsockoptIPv6Mreq(fd, level, opt int, mreq *IPv6Mreq) (err error) {
-	return setsockopt(fd, level, opt, unsafe.Pointer(mreq), SizeofIPv6Mreq)
-}
-
-func SetsockoptICMPv6Filter(fd, level, opt int, filter *ICMPv6Filter) error {
-	return setsockopt(fd, level, opt, unsafe.Pointer(filter), SizeofICMPv6Filter)
-}
-
-func SetsockoptLinger(fd, level, opt int, l *Linger) (err error) {
-	return setsockopt(fd, level, opt, unsafe.Pointer(l), SizeofLinger)
-}
-
-func SetsockoptString(fd, level, opt int, s string) (err error) {
-	var p unsafe.Pointer
-	if len(s) > 0 {
-		p = unsafe.Pointer(&[]byte(s)[0])
-	}
-	return setsockopt(fd, level, opt, p, uintptr(len(s)))
-}
-
-func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (err error) {
-	return setsockopt(fd, level, opt, unsafe.Pointer(tv), unsafe.Sizeof(*tv))
-}
-
-func Socket(domain, typ, proto int) (fd int, err error) {
-	if domain == AF_INET6 && SocketDisableIPv6 {
-		return -1, EAFNOSUPPORT
-	}
-	fd, err = socket(domain, typ, proto)
-	return
-}
-
-func Socketpair(domain, typ, proto int) (fd [2]int, err error) {
-	var fdx [2]int32
-	err = socketpair(domain, typ, proto, &fdx)
-	if err == nil {
-		fd[0] = int(fdx[0])
-		fd[1] = int(fdx[1])
-	}
-	return
-}
-
-func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
-	if race.Enabled {
-		race.ReleaseMerge(unsafe.Pointer(&ioSync))
-	}
-	return sendfile(outfd, infd, offset, count)
-}
-
-var ioSync int64