From 8db41da676ac8368ef7c2549d56239a5ff5eedde Mon Sep 17 00:00:00 2001 From: Rutger Broekhoff Date: Tue, 2 Jan 2024 18:56:31 +0100 Subject: Delete vendor directory --- vendor/golang.org/x/sys/unix/syscall_unix.go | 606 --------------------------- 1 file changed, 606 deletions(-) delete mode 100644 vendor/golang.org/x/sys/unix/syscall_unix.go (limited to 'vendor/golang.org/x/sys/unix/syscall_unix.go') diff --git a/vendor/golang.org/x/sys/unix/syscall_unix.go b/vendor/golang.org/x/sys/unix/syscall_unix.go deleted file mode 100644 index 77081de..0000000 --- a/vendor/golang.org/x/sys/unix/syscall_unix.go +++ /dev/null @@ -1,606 +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 aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris - -package unix - -import ( - "bytes" - "sort" - "sync" - "syscall" - "unsafe" -) - -var ( - Stdin = 0 - Stdout = 1 - Stderr = 2 -) - -// Do the interface allocations only once for common -// Errno values. -var ( - errEAGAIN error = syscall.EAGAIN - errEINVAL error = syscall.EINVAL - errENOENT error = syscall.ENOENT -) - -var ( - signalNameMapOnce sync.Once - signalNameMap map[string]syscall.Signal -) - -// errnoErr returns common boxed Errno values, to prevent -// allocations at runtime. -func errnoErr(e syscall.Errno) error { - switch e { - case 0: - return nil - case EAGAIN: - return errEAGAIN - case EINVAL: - return errEINVAL - case ENOENT: - return errENOENT - } - return e -} - -// ErrnoName returns the error name for error number e. -func ErrnoName(e syscall.Errno) string { - i := sort.Search(len(errorList), func(i int) bool { - return errorList[i].num >= e - }) - if i < len(errorList) && errorList[i].num == e { - return errorList[i].name - } - return "" -} - -// SignalName returns the signal name for signal number s. -func SignalName(s syscall.Signal) string { - i := sort.Search(len(signalList), func(i int) bool { - return signalList[i].num >= s - }) - if i < len(signalList) && signalList[i].num == s { - return signalList[i].name - } - return "" -} - -// SignalNum returns the syscall.Signal for signal named s, -// or 0 if a signal with such name is not found. -// The signal name should start with "SIG". -func SignalNum(s string) syscall.Signal { - signalNameMapOnce.Do(func() { - signalNameMap = make(map[string]syscall.Signal, len(signalList)) - for _, signal := range signalList { - signalNameMap[signal.name] = signal.num - } - }) - return signalNameMap[s] -} - -// 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 { - i := bytes.IndexByte(n, 0) - if i == -1 { - i = len(n) - } - return i -} - -// 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 convert 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 -} - -func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) { - return mapper.Mmap(fd, offset, length, prot, flags) -} - -func Munmap(b []byte) (err error) { - return mapper.Munmap(b) -} - -func Read(fd int, p []byte) (n int, err error) { - n, err = read(fd, p) - if raceenabled { - if n > 0 { - raceWriteRange(unsafe.Pointer(&p[0]), n) - } - if err == nil { - raceAcquire(unsafe.Pointer(&ioSync)) - } - } - return -} - -func Write(fd int, p []byte) (n int, err error) { - if raceenabled { - raceReleaseMerge(unsafe.Pointer(&ioSync)) - } - n, err = write(fd, p) - if raceenabled && n > 0 { - raceReadRange(unsafe.Pointer(&p[0]), n) - } - return -} - -func Pread(fd int, p []byte, offset int64) (n int, err error) { - n, err = pread(fd, p, offset) - if raceenabled { - if n > 0 { - raceWriteRange(unsafe.Pointer(&p[0]), n) - } - if err == nil { - raceAcquire(unsafe.Pointer(&ioSync)) - } - } - return -} - -func Pwrite(fd int, p []byte, offset int64) (n int, err error) { - if raceenabled { - raceReleaseMerge(unsafe.Pointer(&ioSync)) - } - n, err = pwrite(fd, p, offset) - if raceenabled && n > 0 { - raceReadRange(unsafe.Pointer(&p[0]), n) - } - return -} - -// For testing: clients can set this flag to force -// creation of IPv6 sockets to return EAFNOSUPPORT. -var SocketDisableIPv6 bool - -// Sockaddr represents a socket address. -type Sockaddr interface { - sockaddr() (ptr unsafe.Pointer, len _Socklen, err error) // lowercase; only we can define Sockaddrs -} - -// SockaddrInet4 implements the Sockaddr interface for AF_INET type sockets. -type SockaddrInet4 struct { - Port int - Addr [4]byte - raw RawSockaddrInet4 -} - -// SockaddrInet6 implements the Sockaddr interface for AF_INET6 type sockets. -type SockaddrInet6 struct { - Port int - ZoneId uint32 - Addr [16]byte - raw RawSockaddrInet6 -} - -// SockaddrUnix implements the Sockaddr interface for AF_UNIX type sockets. -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(fd, &rsa) -} - -func GetsockoptByte(fd, level, opt int) (value byte, err error) { - var n byte - vallen := _Socklen(1) - err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen) - return n, err -} - -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 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 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 GetsockoptLinger(fd, level, opt int) (*Linger, error) { - var linger Linger - vallen := _Socklen(SizeofLinger) - err := getsockopt(fd, level, opt, unsafe.Pointer(&linger), &vallen) - return &linger, err -} - -func GetsockoptTimeval(fd, level, opt int) (*Timeval, error) { - var tv Timeval - vallen := _Socklen(unsafe.Sizeof(tv)) - err := getsockopt(fd, level, opt, unsafe.Pointer(&tv), &vallen) - return &tv, err -} - -func GetsockoptUint64(fd, level, opt int) (value uint64, err error) { - var n uint64 - vallen := _Socklen(8) - err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen) - return 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(fd, &rsa) - } - return -} - -// Recvmsg receives a message from a socket using the recvmsg system call. The -// received non-control data will be written to p, and any "out of band" -// control data will be written to oob. The flags are passed to recvmsg. -// -// The results are: -// - n is the number of non-control data bytes read into p -// - oobn is the number of control data bytes read into oob; this may be interpreted using [ParseSocketControlMessage] -// - recvflags is flags returned by recvmsg -// - from is the address of the sender -// -// If the underlying socket type is not SOCK_DGRAM, a received message -// containing oob data and a single '\0' of non-control data is treated as if -// the message contained only control data, i.e. n will be zero on return. -func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) { - var iov [1]Iovec - if len(p) > 0 { - iov[0].Base = &p[0] - iov[0].SetLen(len(p)) - } - var rsa RawSockaddrAny - n, oobn, recvflags, err = recvmsgRaw(fd, iov[:], oob, flags, &rsa) - // source address is only specified if the socket is unconnected - if rsa.Addr.Family != AF_UNSPEC { - from, err = anyToSockaddr(fd, &rsa) - } - return -} - -// RecvmsgBuffers receives a message from a socket using the recvmsg system -// call. This function is equivalent to Recvmsg, but non-control data read is -// scattered into the buffers slices. -func RecvmsgBuffers(fd int, buffers [][]byte, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) { - iov := make([]Iovec, len(buffers)) - for i := range buffers { - if len(buffers[i]) > 0 { - iov[i].Base = &buffers[i][0] - iov[i].SetLen(len(buffers[i])) - } else { - iov[i].Base = (*byte)(unsafe.Pointer(&_zero)) - } - } - var rsa RawSockaddrAny - n, oobn, recvflags, err = recvmsgRaw(fd, iov, oob, flags, &rsa) - if err == nil && rsa.Addr.Family != AF_UNSPEC { - from, err = anyToSockaddr(fd, &rsa) - } - return -} - -// Sendmsg sends a message on a socket to an address using the sendmsg system -// call. This function is equivalent to SendmsgN, but does not return the -// number of bytes actually sent. -func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { - _, err = SendmsgN(fd, p, oob, to, flags) - return -} - -// SendmsgN sends a message on a socket to an address using the sendmsg system -// call. p contains the non-control data to send, and oob contains the "out of -// band" control data. The flags are passed to sendmsg. The number of -// non-control bytes actually written to the socket is returned. -// -// Some socket types do not support sending control data without accompanying -// non-control data. If p is empty, and oob contains control data, and the -// underlying socket type is not SOCK_DGRAM, p will be treated as containing a -// single '\0' and the return value will indicate zero bytes sent. -// -// The Go function Recvmsg, if called with an empty p and a non-empty oob, -// will read and ignore this additional '\0'. If the message is received by -// code that does not use Recvmsg, or that does not use Go at all, that code -// will need to be written to expect and ignore the additional '\0'. -// -// If you need to send non-empty oob with p actually empty, and if the -// underlying socket type supports it, you can do so via a raw system call as -// follows: -// -// msg := &unix.Msghdr{ -// Control: &oob[0], -// } -// msg.SetControllen(len(oob)) -// n, _, errno := unix.Syscall(unix.SYS_SENDMSG, uintptr(fd), uintptr(unsafe.Pointer(msg)), flags) -func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) { - var iov [1]Iovec - if len(p) > 0 { - iov[0].Base = &p[0] - iov[0].SetLen(len(p)) - } - var ptr unsafe.Pointer - var salen _Socklen - if to != nil { - ptr, salen, err = to.sockaddr() - if err != nil { - return 0, err - } - } - return sendmsgN(fd, iov[:], oob, ptr, salen, flags) -} - -// SendmsgBuffers sends a message on a socket to an address using the sendmsg -// system call. This function is equivalent to SendmsgN, but the non-control -// data is gathered from buffers. -func SendmsgBuffers(fd int, buffers [][]byte, oob []byte, to Sockaddr, flags int) (n int, err error) { - iov := make([]Iovec, len(buffers)) - for i := range buffers { - if len(buffers[i]) > 0 { - iov[i].Base = &buffers[i][0] - iov[i].SetLen(len(buffers[i])) - } else { - iov[i].Base = (*byte)(unsafe.Pointer(&_zero)) - } - } - var ptr unsafe.Pointer - var salen _Socklen - if to != nil { - ptr, salen, err = to.sockaddr() - if err != nil { - return 0, err - } - } - return sendmsgN(fd, iov, oob, ptr, salen, flags) -} - -func Send(s int, buf []byte, flags int) (err error) { - return sendto(s, buf, flags, nil, 0) -} - -func Sendto(fd int, p []byte, flags int, to Sockaddr) (err error) { - var ptr unsafe.Pointer - var 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 SetsockoptUint64(fd, level, opt int, value uint64) (err error) { - return setsockopt(fd, level, opt, unsafe.Pointer(&value), 8) -} - -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 -} - -var ioSync int64 - -func CloseOnExec(fd int) { fcntl(fd, F_SETFD, FD_CLOEXEC) } - -func SetNonblock(fd int, nonblocking bool) (err error) { - flag, err := fcntl(fd, F_GETFL, 0) - if err != nil { - return err - } - if (flag&O_NONBLOCK != 0) == nonblocking { - return nil - } - if nonblocking { - flag |= O_NONBLOCK - } else { - flag &= ^O_NONBLOCK - } - _, err = fcntl(fd, F_SETFL, flag) - return err -} - -// Exec calls execve(2), which replaces the calling executable in the process -// tree. argv0 should be the full path to an executable ("/bin/ls") and the -// executable name should also be the first argument in argv (["ls", "-l"]). -// envv are the environment variables that should be passed to the new -// process (["USER=go", "PWD=/tmp"]). -func Exec(argv0 string, argv []string, envv []string) error { - return syscall.Exec(argv0, argv, envv) -} - -// Lutimes sets the access and modification times tv on path. If path refers to -// a symlink, it is not dereferenced and the timestamps are set on the symlink. -// If tv is nil, the access and modification times are set to the current time. -// Otherwise tv must contain exactly 2 elements, with access time as the first -// element and modification time as the second element. -func Lutimes(path string, tv []Timeval) error { - if tv == nil { - return UtimesNanoAt(AT_FDCWD, path, nil, AT_SYMLINK_NOFOLLOW) - } - if len(tv) != 2 { - return EINVAL - } - ts := []Timespec{ - NsecToTimespec(TimevalToNsec(tv[0])), - NsecToTimespec(TimevalToNsec(tv[1])), - } - return UtimesNanoAt(AT_FDCWD, path, ts, AT_SYMLINK_NOFOLLOW) -} - -// emptyIovecs reports whether there are no bytes in the slice of Iovec. -func emptyIovecs(iov []Iovec) bool { - for i := range iov { - if iov[i].Len > 0 { - return false - } - } - return true -} - -// Setrlimit sets a resource limit. -func Setrlimit(resource int, rlim *Rlimit) error { - // Just call the syscall version, because as of Go 1.21 - // it will affect starting a new process. - return syscall.Setrlimit(resource, (*syscall.Rlimit)(rlim)) -} -- cgit v1.2.3